CISCO IT Essentials Mock Exam 1-10 - Revision
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A user has been writing data to a USB flash memory drive. What should the user do before removing the device?
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Unplug the device
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Run exit.exe
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Click on the Safely Remove Hardware icon in the system tray then on the device.
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About This Quiz
Resources to help you pass you Cisco IT Essentials 1-10 Exam ! *UPDATE* just took my cisco 1-10 test and passed with 86% and this was a great resource.
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- 2.
The technician has been asked to upgrade the printer driver for an old printer. What is the best source for a new driver?
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Manufacturer's website
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FAQ
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Microsoft
Correct Answer
A. Manufacturer's websiteExplanation
The best source for a new printer driver would be the manufacturer's website. This is because the manufacturer's website is most likely to have the most up-to-date and compatible driver for the specific printer model. The manufacturer's website is also a reliable source as it is directly provided by the company that produced the printer.Rate this question:
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- 3.
A home computer owner has a PC system that runs Windows XP. For security reasons the owner has been using a limited local user account for a number of years. The owner wishes to install a new piece of software, but the user account does not have the necessary permissions. Which type of account does the owner need to use to install the new software?
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Administrator
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Limited
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Standard
Correct Answer
A. AdministratorExplanation
The owner needs to use an administrator account to install the new software. An administrator account has the necessary permissions to make changes to the system, including installing software. Limited and standard user accounts do not have the same level of access and would not be able to install the software.Rate this question:
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- 4.
A technician wants to create a new partition on a new additional hard drive. Which tool should be used?
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Disk Management
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Disk Cleanup
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Defrag
Correct Answer
A. Disk ManagementExplanation
The correct answer is Disk Management. Disk Management is a tool that allows users to manage and create partitions on their hard drives. It provides options to format, delete, and resize partitions, as well as assign drive letters. Therefore, it is the appropriate tool for creating a new partition on a new additional hard drive.Rate this question:
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- 5.
A mobile training room uses a generator to power the PCs, servers, and printers. The company that runs the room upgraded the equipment but then found that when all the devices are powered up they become unreliable, with some PCs shutting down. What may cause this power problem?
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OS error
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CPU is failing
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The power consumption of all devices is too much for the electrical circuit that is provided.
Correct Answer
A. The power consumption of all devices is too much for the electrical circuit that is provided.Explanation
The power consumption of all devices being too much for the electrical circuit that is provided can cause the power problem. This means that the generator may not be able to supply enough power to all the devices when they are powered up simultaneously, leading to instability and some devices shutting down.Rate this question:
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- 6.
What is a benefit of using the USB or FireWire ports to connect peripherals to a laptop?
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The peripherals can be plugged in and out without turning the laptop off.
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Quicker
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Easier than opening the PC
Correct Answer
A. The peripherals can be plugged in and out without turning the laptop off.Explanation
Using USB or FireWire ports to connect peripherals to a laptop allows for the convenience of being able to plug in and unplug devices without having to turn off the laptop. This makes it easier and quicker to connect and disconnect peripherals as needed, without the hassle of having to shut down and restart the laptop each time. Additionally, it eliminates the need to open the laptop and physically install the peripheral, making it a more user-friendly option.Rate this question:
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- 7.
A printer has a paper jam. An impatient user has sent multiple print jobs of the same document to this printer. What can be done to remove these print jobs?
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Turn off printer
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Restart PC
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Cancel the jobs in the printer queue.
Correct Answer
A. Cancel the jobs in the printer queue.Explanation
To remove the multiple print jobs, the user should cancel the jobs in the printer queue. This can be done by accessing the printer queue on the computer and selecting the option to cancel the pending print jobs. Turning off the printer or restarting the PC will not specifically address the issue of removing the print jobs from the queue.Rate this question:
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- 8.
Which two general precautions should be taken before replacing any non-hot-swappable laptop component? (Choose two.)
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Remove any batteries.
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Remove paper
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Disconnect the power cord.
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Remove toner
Correct Answer(s)
A. Remove any batteries.
A. Disconnect the power cord.Explanation
Before replacing any non-hot-swappable laptop component, it is important to remove any batteries to ensure that there is no power source connected to the laptop. This is necessary to prevent any electrical accidents or damage to the laptop. Additionally, it is also important to disconnect the power cord to further ensure that there is no power supply to the laptop during the replacement process. This will help to protect both the user and the laptop from any potential harm.Rate this question:
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- 9.
A company uses a single computer to receive and test all Windows updates. When the most recent update was installed, several programs failed. What is the first course of action that a technician should attempt to remove the update?
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Run a System Restore from the last restore point.
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Restore windows
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Roll back drivers
Correct Answer
A. Run a System Restore from the last restore point.Explanation
When a computer experiences issues after installing an update, the first course of action should be to run a System Restore from the last restore point. System Restore allows the computer to revert back to a previous state, undoing any changes made by the update. This can help resolve any compatibility or software conflicts that may have occurred after the update was installed. Restoring Windows or rolling back drivers may be potential solutions, but running a System Restore is the initial step to attempt in order to remove the problematic update.Rate this question:
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- 10.
What characterizes spoofing?
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Making data appear to come from a source other than the actual source
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Overload of Emails
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Viruses
Correct Answer
A. Making data appear to come from a source other than the actual sourceExplanation
Spoofing is a technique used to deceive or trick someone by making data or information appear to come from a different source than it actually originated from. This can involve falsifying email addresses, IP addresses, or other identifying information to make it seem like the data is coming from a legitimate or trusted source. Spoofing can be used for various malicious purposes, such as phishing attacks, where the attacker tries to trick the recipient into revealing sensitive information or performing certain actions based on the false identity of the sender.Rate this question:
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- 11.
When installing a service pack or security patches on an operating system, what should be done to protect the system in the event of a faulty or aborted installation?
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Spyware scan
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Virus scan
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Create a restore point.
Correct Answer
A. Create a restore point.Explanation
Creating a restore point before installing a service pack or security patches is important because it allows the system to be rolled back to a previous state if the installation is faulty or aborted. This ensures that any changes made during the installation can be undone, minimizing the risk of system instability or data loss. Spyware and virus scans are unrelated to protecting the system during installation and do not address the issue of a faulty or aborted installation.Rate this question:
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- 12.
Which two components normally require a laptop to be powered down and the battery removed before removing the components? (Choose two.)
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Internal hard drive
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Keyboard
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Mouse
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RAM
Correct Answer(s)
A. Internal hard drive
A. RAMExplanation
The internal hard drive and RAM are two components that normally require a laptop to be powered down and the battery removed before removing them. This is because both components are connected directly to the motherboard and can be easily damaged if they are removed while the laptop is still powered on. Removing the battery ensures that there is no power running through the laptop, reducing the risk of electrical damage.Rate this question:
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- 13.
A small business has used a high quality configurable flatbed scanner to scan a number of photographs to print as large posters. However, the quality of the images printed as posters is poor. What should the user do?
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Increase the resolution of the scanner.
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Buy a better scanner
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Change the paper used
Correct Answer
A. Increase the resolution of the scanner.Explanation
To improve the quality of the images printed as posters, the user should increase the resolution of the scanner. By increasing the resolution, the scanner will capture more details and produce higher quality images. Buying a better scanner could also be an option, but it may not be necessary if the current scanner can be adjusted to a higher resolution. Changing the paper used may affect the final result, but it is not directly related to the poor quality of the images.Rate this question:
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- 14.
A customer needs to purchase a new power supply for a computer. What must be considered when selecting an appropriate power supply?
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Whether the componients could sizzle
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The power supply hasnt enough wattage to support all components inside the computer.
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The power supply has sufficient wattage to support all components inside the computer.
Correct Answer
A. The power supply has sufficient wattage to support all components inside the computer.Explanation
When selecting an appropriate power supply for a computer, it is important to consider whether the power supply has sufficient wattage to support all components inside the computer. This ensures that the power supply can provide enough power to all the components without overloading or causing any issues.Rate this question:
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- 15.
ABC Inc. decided to integrate redundancy by connecting multiple hard disks to duplicate the information they store. Which type of adapter will need to be installed on the servers to accomplish the desired redundancy?
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PC adapter
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RAID adapter
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PCIe
Correct Answer
A. RAID adapterExplanation
To accomplish the desired redundancy of duplicating information stored on multiple hard disks, ABC Inc. will need to install a RAID adapter on their servers. RAID (Redundant Array of Independent Disks) technology allows for data to be distributed and duplicated across multiple hard drives, providing increased data protection and fault tolerance. This adapter will enable the servers to effectively manage and utilize the redundant storage configuration.Rate this question:
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- 16.
A computer can access devices on the same network but can not access devices on other networks, what is the probable cause?
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The computer has an invalid default gateway address
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Bad network cable
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Faulty IP
Correct Answer
A. The computer has an invalid default gateway addressExplanation
The probable cause for the computer being able to access devices on the same network but not on other networks is that it has an invalid default gateway address. The default gateway is responsible for routing network traffic between different networks. If the computer has an incorrect or invalid default gateway address, it will not be able to properly route traffic to devices on other networks, resulting in the inability to access them.Rate this question:
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- 17.
What do the terms refresh rate, interlace, and aspect ratio explain?
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Image properties of a monitor
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Terms of a PC
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Refresh of the Internet
Correct Answer
A. Image properties of a monitorExplanation
The terms refresh rate, interlace, and aspect ratio explain different aspects of the image properties of a monitor. The refresh rate refers to the number of times per second that the image on the screen is refreshed. Interlace refers to a method of displaying images on a screen by alternating between even and odd lines, which can affect the clarity and smoothness of the image. Aspect ratio refers to the proportional relationship between the width and height of the image on the screen.Rate this question:
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- 18.
A technician wishes to boot a computer using a CD-ROM that contains a limited operating system and diagnostic utilities. Where would the technician set the boot order for the PC?
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Control panel
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BIOS
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System tools
Correct Answer
A. BIOSExplanation
The technician would set the boot order for the PC in the BIOS. The BIOS (Basic Input/Output System) is a firmware that is responsible for initializing hardware components and loading the operating system. It allows the user to configure various settings, including the boot order, which determines the sequence in which the computer searches for bootable devices. By setting the CD-ROM as the first boot device in the BIOS, the technician can ensure that the computer boots from the CD-ROM containing the limited operating system and diagnostic utilities.Rate this question:
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- 19.
When installing the Windows XP operating system, a technician is given a choice of file systems to use. If security is a requirement, which file system should be chosen?
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FAT
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NTFS
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FAT32
Correct Answer
A. NTFSExplanation
NTFS (New Technology File System) should be chosen if security is a requirement when installing the Windows XP operating system. NTFS provides more advanced security features compared to FAT (File Allocation Table) and FAT32 (File Allocation Table 32). It supports file and folder permissions, encryption, and auditing, which allows for better control and protection of data.Rate this question:
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- 20.
A call center technician has asked a customer to perform a simple operation to fix a problem on a computer. The customer seems unable to perform the task. What should the technician do?
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Fix problem
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Arranged a time to fix the problem
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Determine whether the customer would prefer to receive the instructions in another form, such as e-mailed, illustrated written instructions.
Correct Answer
A. Determine whether the customer would prefer to receive the instructions in another form, such as e-mailed, illustrated written instructions.Explanation
The technician should determine whether the customer would prefer to receive the instructions in another form, such as e-mailed, illustrated written instructions. This is because the customer seems unable to perform the task, indicating that they may not understand the verbal instructions provided. By offering alternative forms of instructions, the technician can ensure that the customer receives clear and understandable guidance to fix the problem on their computer.Rate this question:
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- 21.
A technician needs to configure the hard drive on a computer so that there appears to be one drive for the operating system and four drives for data from different applications. how can the hard drive be configured?
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Using a partition software
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Create one primary partition and one partition.
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Create one primary partition and one logical partition with four logical partitions within it.
Correct Answer
A. Create one primary partition and one logical partition with four logical partitions within it.Explanation
The hard drive can be configured by creating one primary partition and one logical partition with four logical partitions within it. This configuration allows for the operating system to be stored in the primary partition while the data from different applications can be stored in the logical partitions. This setup provides organization and separation of the different types of data on the hard drive.Rate this question:
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- 22.
What is the best way to fully ensure that data is unable to be recovered from a hard drive?
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Format hard drive
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Shattering the hard drive platters with a hammer
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Remove data
Correct Answer
A. Shattering the hard drive platters with a hammerExplanation
Shattering the hard drive platters with a hammer is the best way to fully ensure that data is unable to be recovered from a hard drive. By physically destroying the platters, the data stored on them becomes irretrievable. Formatting the hard drive or simply removing the data may still leave traces that can potentially be recovered.Rate this question:
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- 23.
Which technique enhances the CPU's performance by executing multiple pieces of code simultatiously on each pipeline?
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Throttling
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Hyperthreading
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Overclocking
Correct Answer
A. HyperthreadingExplanation
Hyperthreading is a technique that enhances the CPU's performance by executing multiple pieces of code simultaneously on each pipeline. It allows the CPU to work on multiple threads at the same time, increasing efficiency and overall performance. This is achieved by duplicating certain sections of the CPU that store the architectural state, allowing each thread to have its own set of registers and execution resources. With hyperthreading, the CPU can better utilize its resources and execute more instructions in parallel, leading to improved performance.Rate this question:
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- 24.
A technician installed a network adapter in a computer and wants to test network connectivity. The ping command can only receive a response from local workstations. What could be causing the problem?
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The default gateway is not set.
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The subnet is not set.
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The IP is not set.
Correct Answer
A. The default gateway is not set.Explanation
If the default gateway is not set, the computer does not know where to send network traffic that is not destined for the local network. The default gateway acts as a router that connects the local network to other networks. Without a default gateway, the computer cannot communicate with devices outside of the local network, which is why the ping command can only receive a response from local workstations.Rate this question:
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- 25.
What does ACPI stand for?
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Advanced configuration and powered interferance
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Advance configuration and power interface
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Appropriation configured power interface
Correct Answer
A. Advance configuration and power interfaceExplanation
ACPI stands for Advanced Configuration and Power Interface. It is an industry standard that defines a power management and configuration interface between the operating system and the computer's hardware. ACPI allows for advanced power management features, such as power-saving modes, device configuration, and system control. It helps in optimizing power usage and improving system performance by allowing the operating system to control the power management of devices and components.Rate this question:
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- 26.
What is RAID 5?
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3 HDD, stripping, Parity,Disk Mirroring, Disk Duplexing.
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Mirroring, Stripping, Parity
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Parity
Correct Answer
A. 3 HDD, stripping, Parity,Disk Mirroring, Disk Duplexing.Explanation
RAID 5 is a type of data storage technology that uses striping and parity to provide fault tolerance and data protection. In RAID 5, data is divided into blocks and distributed across multiple hard drives (in this case, 3 HDD). Each drive contains a portion of the data and also stores parity information, which is used to reconstruct data in case of a drive failure. The stripping technique improves performance by allowing multiple drives to work together in parallel. Disk mirroring and disk duplexing, on the other hand, are features of RAID 1 and not RAID 5.Rate this question:
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- 27.
A supervisor received a complaint that one of the technicians was rude and disrespectful. Which action by the technician most likely caused the customer to complain?
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The technican wasnt knowledgable
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The technician interrupted a number of times to ask questions.
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The technician hung up
Correct Answer
A. The technician interrupted a number of times to ask questions.Explanation
The most likely action by the technician that caused the customer to complain is interrupting a number of times to ask questions. This behavior can be seen as disrespectful and may have disrupted the customer's experience or conversation with the technician. It shows a lack of consideration for the customer's time and may have come across as rude.Rate this question:
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- 28.
A customer used the convert.exe utility to take advantage of NTFS security features. The customer later discovered that the application on the computer can only read FAT32 files. After the hard drive was formatted back to FAT32, the customer noticed all of the data files are missing. What should the customer do next?
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Restore the data files that were backed up in preparation for the conversion.
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Data cannot be restored
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Use ntbackup
Correct Answer
A. Restore the data files that were backed up in preparation for the conversion.Explanation
The customer should restore the data files that were backed up in preparation for the conversion. When the hard drive was formatted back to FAT32, it erased all the data files. By restoring the backed up files, the customer can recover the lost data.Rate this question:
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- 29.
This standard specifies that networks must implement the CSMA/CD access control method.
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803.4
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1934a
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802.3
Correct Answer
A. 802.3Explanation
The correct answer is 802.3 because this standard specifically specifies that networks must implement the CSMA/CD (Carrier Sense Multiple Access with Collision Detection) access control method. CSMA/CD is a protocol used in Ethernet networks to manage access to the network medium and avoid collisions between devices trying to transmit data simultaneously. The 802.3 standard is the IEEE standard for Ethernet networks, which includes the specifications for CSMA/CD.Rate this question:
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- 30.
Which two technologies enable printers to be accessed by multiple network users? (Choose two.)
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Wi-Fi
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USB
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Ethernet
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Firewire
Correct Answer(s)
A. Wi-Fi
A. EthernetExplanation
Wi-Fi and Ethernet are the two technologies that enable printers to be accessed by multiple network users. Wi-Fi allows wireless connectivity, allowing users to connect to the printer without the need for physical cables. Ethernet, on the other hand, uses wired connections to connect printers to a network, enabling multiple users to access the printer through the network. USB and Firewire are not technologies that allow printers to be accessed by multiple network users.Rate this question:
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- 31.
What is the purpose of SCSI and RAID adapters?
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To add internal devices
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To connect storage devices such as hard disk drives to a PC
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To protect data
Correct Answer
A. To connect storage devices such as hard disk drives to a PCExplanation
SCSI and RAID adapters are used to connect storage devices, specifically hard disk drives, to a PC. These adapters provide the necessary interface and connectivity options for the storage devices to be recognized and accessed by the computer. By using these adapters, users can expand the storage capacity of their PCs and have the ability to access and store data on multiple hard drives. Additionally, RAID adapters also offer data protection features such as redundancy and mirroring, which help safeguard against data loss in case of drive failure.Rate this question:
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- 32.
A computer user buys a low priced replacement monitor but finds that there is a lot of flicker. The flicker makes the monitor unusable. Which characteristic of a monitor needs to be considered to ensure flicker-free viewing?
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Backlight
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Refresh rate
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Display
Correct Answer
A. Refresh rateExplanation
To ensure flicker-free viewing, the characteristic of a monitor that needs to be considered is the refresh rate. The refresh rate refers to the number of times per second the image on the screen is refreshed. A higher refresh rate reduces the flickering effect, providing a smoother and more comfortable viewing experience. Therefore, in this case, the low priced replacement monitor likely has a low refresh rate, causing the flickering issue.Rate this question:
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- 33.
A hacker is detected using commonly available wireless hacking tools to access encrypted wireless network communication. Which resolution would prevent this action?
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NIC
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Change Admin passwords
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Change the SSID that is being used on the wireless network.
Correct Answer
A. Change the SSID that is being used on the wireless network.Explanation
Changing the SSID (Service Set Identifier) that is being used on the wireless network would prevent a hacker from accessing the encrypted wireless network communication using commonly available wireless hacking tools. The SSID is the name of the wireless network and changing it would make it more difficult for the hacker to identify and target the network. By changing the SSID, the network becomes less vulnerable to unauthorized access and potential attacks.Rate this question:
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- 34.
Which power mode should be used by a laptop so that all the data is saved, all the applications the user was working on are left open, and there is no power used by the laptop?
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Standby
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Hibernate
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Sleeper mode
Correct Answer
A. HibernateExplanation
Hibernate is the correct answer because it allows the laptop to save all the data and keep all the applications open while using no power. In hibernate mode, the laptop saves the current state to the hard drive and shuts down completely, conserving power. When the laptop is turned on again, it restores the previous state, including all open applications and data. This makes hibernate mode ideal for situations where the laptop needs to be turned off but the user wants to resume their work without any loss of data or open applications.Rate this question:
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- 35.
A technician has replaced a failing floppy drive. While testing the new drive, the technician notices that the floppy drive light remains lit constantly. What is most likely the cause of the problem?
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Disk is in the floppy drive
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Floppy drive is broken
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The ribbon cable is installed incorrectly.
Correct Answer
A. The ribbon cable is installed incorrectly.Explanation
The most likely cause of the problem is that the ribbon cable is installed incorrectly. This could result in a constant flow of power to the floppy drive light, causing it to remain lit constantly. The incorrect installation of the ribbon cable could be preventing the proper communication between the floppy drive and the computer, leading to this issue.Rate this question:
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- 36.
When calculating the total cost of ownership of a printer it is necessary to consider the cost of the consumables. Which two consumables are associated with an inkjet printer? (Choose two.)
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Ink cartridge
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Toner
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Paper
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Power
Correct Answer(s)
A. Ink cartridge
A. PaperExplanation
When calculating the total cost of ownership of an inkjet printer, it is important to consider the cost of consumables. Two consumables associated with an inkjet printer are ink cartridges and paper. Ink cartridges need to be replaced periodically as they run out of ink, and the cost of these cartridges can add up over time. Additionally, paper is a necessary consumable for printing documents, so the cost of paper should also be taken into account when calculating the total cost of ownership.Rate this question:
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- 37.
Which network protocol is used to automatically assign an IP address to a computer on a network?
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TCP/IP
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DNS
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DHCP
Correct Answer
A. DHCPExplanation
DHCP (Dynamic Host Configuration Protocol) is the correct answer because it is the network protocol used to automatically assign an IP address to a computer on a network. TCP/IP is a suite of network protocols, not specifically used for assigning IP addresses. DNS (Domain Name System) is used to translate domain names into IP addresses, but it does not assign IP addresses to computers on a network.Rate this question:
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- 38.
A user reports that a printer is printing unknown characters on documents. What is a possible solution to this issue?
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Roll back driver
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Uninstall and reinstall the printer driver.
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Reinstall driver
Correct Answer
A. Uninstall and reinstall the printer driver.Explanation
Uninstalling and reinstalling the printer driver can be a possible solution to the issue of a printer printing unknown characters on documents. This can help resolve any potential driver conflicts or corruption that may be causing the problem. By uninstalling the driver and then reinstalling it, the printer can establish a fresh connection with the computer and ensure that the correct driver is being used, thereby resolving the issue of printing unknown characters.Rate this question:
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- 39.
A network administrator is troubleshooting a server that keeps crashing. While monitoring traffic to the server, the administrator notices repeated, larger than normal pings to the server. What is the name of this type of attack?
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Zombie attack
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Ping of death
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SSH
Correct Answer
A. Ping of deathExplanation
The correct answer is "ping of death". In a ping of death attack, the attacker sends oversized or fragmented pings to the target server, causing it to crash or become unresponsive. The repeated larger than normal pings noticed by the administrator are indicative of this type of attack. A zombie attack refers to a network of compromised computers controlled by a hacker, while SSH is a network protocol used for secure remote access.Rate this question:
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- 40.
Which two quick solutions are commonly recommended when a technician is troubleshooting a laptop? (Choose two.)
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Reboot the laptop.
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Disconnect the peripherals
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Check FAQ
Correct Answer(s)
A. Reboot the laptop.
A. Disconnect the peripheralsExplanation
When troubleshooting a laptop, rebooting the laptop is a commonly recommended solution as it can help resolve various software issues. By restarting the system, it can clear any temporary glitches or conflicts that may be causing problems. Disconnecting the peripherals is also commonly recommended as it can help identify if any external devices are causing the issue. By removing all peripheral devices, the technician can determine if the problem lies with any of the connected devices or if it is an internal issue with the laptop itself.Rate this question:
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- 41.
What is RAID 1 ?
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Mirroring, Stripping
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Uses 2 HDD, Mirroring
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Parity
Correct Answer
A. Uses 2 HDD, MirroringExplanation
RAID 1 is a type of RAID configuration that uses two hard disk drives (HDD) and implements mirroring. In this configuration, data is duplicated across both drives, creating an exact copy of the data on each drive. This redundancy provides increased data protection as if one drive fails, the other drive can still function and ensure the availability of the data. RAID 1 is commonly used in situations where data integrity and fault tolerance are of utmost importance.Rate this question:
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- 42.
A technician notices that a data floppy disk is in the floppy disk drive of a computer when it is powered on. Which error message could this potentially cause?
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Floppy drive light will remain on
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Computer will load fine
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Invalid system disk
Correct Answer
A. Invalid system diskExplanation
If a data floppy disk is in the floppy disk drive when the computer is powered on, it could potentially cause the error message "invalid system disk." This is because the computer is trying to boot from the floppy disk instead of the usual boot device (such as the hard drive), and if the floppy disk does not contain a valid operating system, the computer will not be able to boot properly.Rate this question:
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- 43.
Which Registry file contains information about all software that is installed on a Windows XP computer?
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HKEY_LOCAL_MACHINE
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HKEY_USER
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HKEY_REGISTRY
Correct Answer
A. HKEY_LOCAL_MACHINEExplanation
The HKEY_LOCAL_MACHINE registry file contains information about all software that is installed on a Windows XP computer. This registry hive is a central location for system-wide settings and configurations, including information about installed software. It stores data related to hardware, software, and user settings, making it a crucial component of the Windows operating system.Rate this question:
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- 44.
What is the purpose of an IRQ?
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Request information from the CPU.
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Request information from the hard drive
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Request information fron the BIOS menu
Correct Answer
A. Request information from the CPU.Explanation
The purpose of an IRQ (Interrupt Request) is to request information from the CPU. When a device needs the attention of the CPU, it sends an interrupt request to the CPU through an IRQ line. This allows the device to communicate with the CPU and request the processing of certain tasks or data. The CPU then interrupts its current operations to handle the request from the device.Rate this question:
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- 45.
A customer reports that after using a computer for over a year, the computer now takes more time to access the files. Which management tool can be used first, before any other complex procedure?
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OCR
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Disk cleanup
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Defrag
Correct Answer
A. DefragExplanation
Defragmentation (defrag) is a management tool that rearranges fragmented data on a computer's hard drive, making it more efficient and improving access times. In this scenario, as the customer reports that the computer takes more time to access files, defrag can be used as the first step to optimize the computer's performance. It will reorganize the fragmented files and improve the overall speed and efficiency of accessing files, without requiring any complex procedures.Rate this question:
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- 46.
Where can a user change the idle time after which a laptop will switch to standby mode?
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Left-click Start > Control Panel > Power Options, then click the Power Schemes tab.
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Left-click Start > Control Panel > Power Options, then right click the Power Schemes tab.
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System properties
Correct Answer
A. Left-click Start > Control Panel > Power Options, then click the Power Schemes tab.Explanation
To change the idle time after which a laptop will switch to standby mode, the user needs to left-click on the Start button, then navigate to the Control Panel. In the Control Panel, the user should click on Power Options. Once in the Power Options menu, the user can click on the Power Schemes tab to access the settings for adjusting the idle time.Rate this question:
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- 47.
What is RAID 3?
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Stripping with Bytes not Bits
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Stripping Bits
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Parity
Correct Answer
A. Stripping with Bytes not BitsExplanation
RAID 3 is a data storage technique that involves stripping data across multiple drives at the byte level, rather than the bit level. In this RAID level, data is divided into bytes and distributed across different drives, with one drive dedicated to storing parity information. The parity information allows for data recovery in case of a drive failure. RAID 3 offers high data transfer rates, especially for large sequential read and write operations.Rate this question:
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- 48.
What is RAID 0 ?
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Stripping and is the fastest of them all
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Mirroring and is the slowest of them all
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Parity
Correct Answer
A. Stripping and is the fastest of them allExplanation
RAID 0 is a data storage technique that involves striping, which means dividing data into blocks and distributing them across multiple drives. This allows for parallel read and write operations, resulting in increased performance and faster data transfer speeds. RAID 0 does not provide any redundancy or fault tolerance, as there is no mirroring or parity involved. Therefore, if one drive fails, all data is lost.Rate this question:
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- 49.
SCSI can transmit parallel data at rates in excess of .............. and can support ............. devices.
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320MBps and 15 devices
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480MBps and 127 devices
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400Mbps and 63 devices
Correct Answer
A. 320MBps and 15 devicesExplanation
SCSI (Small Computer System Interface) is a high-speed parallel interface used for connecting peripheral devices to a computer. It can transmit data at rates in excess of 320MBps and can support up to 15 devices. This means that SCSI can transfer data at a speed of 320 megabytes per second and can connect up to 15 devices simultaneously.Rate this question:
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Mar 21, 2023Quiz Edited by
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Jun 22, 2011Quiz Created by
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