CompTIA Strata Practice Exam 1

Bandwidth refers to the data rate supported by a network connection or interface. It represents the amount of data that can be transmitted over a network in a given period of time. A higher bandwidth indicates a faster data transfer rate, allowing for quicker and more efficient communication between devices on the network.

An image scanner is a device that provides input by analyzing printed text, handwriting, or an object. It uses optical character recognition (OCR) technology to convert physical documents into digital images, allowing the text or images to be edited, stored, or transmitted electronically. This makes it a useful tool for tasks such as document scanning, data entry, and image editing. Unlike a webcam, which captures live video, or other devices listed, an image scanner specifically focuses on analyzing printed text, handwriting, or objects.

A shoulder surfing attack is often performed by looking surreptitiously at the keyboard or monitor of an employee's computer. This type of attack involves an unauthorized person trying to gain access to sensitive information by visually observing the victim's actions, such as passwords or confidential data, without their knowledge or consent. It is a form of social engineering that relies on exploiting human vulnerabilities and lack of awareness regarding privacy and security.

Adware is a type of software that displays advertisements without the user's consent. It is often bundled with other software and installed without the user's knowledge. Adware generates revenue for its developers by displaying ads and collecting user data. Unlike other options listed, such as Trojan horse, Honeypot, and Spyware, which have different functionalities, Adware specifically focuses on displaying advertisements.

USB and PS/2 ports are used to connect a keyboard to a computer. USB (Universal Serial Bus) is a widely used port that allows for easy plug-and-play connectivity. It is the most common port for connecting peripherals, including keyboards. PS/2 (Personal System/2) is an older port specifically designed for connecting keyboards and mice. While it is less commonly used nowadays, some keyboards still utilize PS/2 connections. DB-25 and DB-9 ports are not typically used for connecting keyboards, but rather for other purposes such as serial or parallel communication.

Lithium-ion batteries are the most common laptop batteries found today due to their numerous advantages. They have a high energy density, allowing them to store more power in a smaller size. They also have a low self-discharge rate, meaning they can hold their charge for longer periods of time. Additionally, lithium-ion batteries have a longer lifespan compared to other types of batteries and can be recharged multiple times. These factors make them the preferred choice for laptop manufacturers and users alike.

A solid state drive contains no moving parts and stores data in a digital format. Unlike other devices listed, such as cartridge tape drives, floppy disk drives, and hard disk drives, which all have mechanical components that physically move to read and write data, a solid state drive uses flash memory to store data electronically. This makes the solid state drive faster, more durable, and more reliable than traditional storage devices.

A cookie is a small piece of data that is stored on a user's computer by a website. It is used to store information about the user's preferences and interactions with the website. This allows the website to remember the user's preferences, such as language preference, login information, and personalized settings. Therefore, a cookie is the correct answer as it is specifically designed to store user preferences related to a website.

The most likely cause of the issue is that the printer is located at a distance of more than three feet from the laptop. Infrared connections have a limited range, typically around three feet, so if the printer is moved further away, the laptop will not be able to send print jobs to the printer.

Content filter control is a type of parental control that is used to limit access to internet contents. It allows parents to block or filter specific websites, keywords, or types of content that they deem inappropriate or unsafe for their children. By using content filter control, parents can ensure that their children are only accessing age-appropriate and safe online content, protecting them from potentially harmful or inappropriate material.

Hibernate mode and Standby mode are both related to power management. Hibernate mode allows the computer to save the current state and power off completely, while Standby mode allows the computer to enter a low-power state but still be quickly resumed. Both modes help to conserve power and extend battery life in laptops or reduce electricity usage in desktop computers. Hot plugging and Safe mode, on the other hand, are not directly related to power management. Hot plugging refers to the ability to connect or disconnect devices without rebooting, while Safe mode is a troubleshooting mode used to diagnose and fix software or driver issues.

HDMI (High-Definition Multimedia Interface) is the correct answer because it is the only interface listed that has the ability to support both digital audio and video through a single cable. VGA (Video Graphics Array) and SVGA (Super Video Graphics Array) are analog interfaces that do not support audio, while DVI (Digital Visual Interface) supports video but requires a separate cable for audio. Therefore, HDMI is the only option that fulfills the requirement of supporting both digital audio and video through a single cable.

Streaming media is a technology that allows users to hear and watch video clips as soon as they start downloading from a website, instead of waiting for the download to complete. This technology enables the continuous playback of audio and video content, delivering it in a real-time streaming format. Unlike downloading, where the entire file needs to be retrieved before playback can begin, streaming media allows for immediate access and playback while the content continues to be downloaded in the background. This enhances the user experience by reducing waiting times and providing seamless playback.

Spyware is a type of program that can collect various types of personal information, including internet surfing habits and the websites that the user has visited. Unlike malware, which is a broad term for malicious software, spyware specifically focuses on gathering personal information without the user's knowledge or consent. Honeypots are decoy systems used to lure hackers, and worms are self-replicating malware that spread across networks. Therefore, the correct answer is spyware.

Bluetooth is the best wireless technology to use for connecting a printer and mouse to a laptop. Bluetooth is a widely supported wireless technology that allows for seamless and reliable connections between devices. It is designed for short-range communication and is commonly used for connecting peripherals such as printers and mice to laptops and other devices. Bluetooth offers low power consumption, easy pairing, and a secure connection, making it the ideal choice for this scenario.

HDMI (High-Definition Multimedia Interface) is the correct answer because it is the only option that transmits all ATSC HDTV standards and supports 8-channel digital audio. DVI (Digital Visual Interface) only supports video signals, S-Video transmits analog video signals, and SVGA (Super Video Graphics Array) is a video display standard. HDMI, on the other hand, is capable of transmitting high-definition video and audio signals, making it the most suitable option for connecting HDTVs and audio devices.

The Energy Star rating is an international standard for energy efficient consumer products. It is a program developed by the United States Environmental Protection Agency (EPA) and the Department of Energy (DOE) to help consumers identify energy-efficient products. Products with the Energy Star rating meet strict energy efficiency guidelines set by these agencies and are proven to save energy and reduce greenhouse gas emissions. This rating is widely recognized and used by consumers and manufacturers worldwide to make informed decisions about energy-efficient products.

An AGP slot is specifically designed to accommodate a video card. It provides a high-speed connection between the video card and the motherboard, allowing for efficient data transfer and improved graphics performance. Therefore, a video card is the correct answer as it is the only component listed that is compatible with an AGP slot. RAM, microprocessors, and modem cards are typically installed in different types of slots on a motherboard.

Off Site storage refers to a location away from the computer center where document copies and backups are kept. This is done to ensure that in the event of any disaster or damage to the computer center, the data and documents stored in the off-site location remain safe and can be easily accessed. Off-site storage is a common practice in data management and helps to prevent loss of important information.

TCP (Transmission Control Protocol) is the correct answer because it is a reliable transport protocol that ensures the delivery of data packets in a network. It provides error detection, flow control, and retransmission of lost packets, making it suitable for applications that require reliable and ordered data delivery, such as web browsing, file transfer, and email. TCP establishes a connection between the sender and receiver, guarantees the correct sequencing of packets, and acknowledges the successful delivery of data, ensuring reliable communication.

A modem is a device that allows computers to transmit data over telephone lines. It converts digital signals from the computer into analog signals that can be transmitted over the telephone lines, and vice versa, it converts analog signals from the telephone lines back into digital signals that the computer can understand. This enables the computer to communicate with other computers or access the internet through the telephone network.

The problem is that MAC filtering is blocking the employee's laptop from connecting to the company wireless network. MAC filtering is a security feature that only allows devices with specific MAC addresses to connect to the network. Since the employee's laptop is not on the approved list, it is being blocked from accessing the network.

Solid state drives (SSDs) use either SRAM (Static Random Access Memory) or DRAM (Dynamic Random Access Memory) as storage devices. SRAM and DRAM are types of volatile memory that are commonly used in computers. Unlike traditional hard disk drives (HDDs) that use spinning disks to store data, SSDs use flash memory technology, which is faster and more reliable. SSDs are known for their high-speed performance, durability, and low power consumption. Therefore, the correct answer is Solid state drive (SSD).

BIOS needs to be updated if users want to utilize new hardware features or options that are supported by the motherboard but not supported by the computer BIOS. Additionally, BIOS should be updated if the current BIOS does not support new devices.

A riser card is a hardware component used to extend the slots for expansion cards in a computer. It allows additional expansion cards to be connected to the motherboard by raising them up vertically, providing more space for installation. This is particularly useful in compact computer cases where there is limited horizontal space for expansion cards. By using a riser card, users can add more functionality to their computer by connecting additional expansion cards such as graphics cards, sound cards, or network cards.

The correct answer is WPA 2 because it is the most secure encryption standard among the options given. WEP (Wired Equivalent Privacy) is an outdated and weak encryption standard that can be easily hacked. WPA (Wi-Fi Protected Access) and TKIP (Temporal Key Integrity Protocol) are also outdated and have known vulnerabilities. WPA 2 (Wi-Fi Protected Access 2) is the current industry standard and provides strong encryption and security features, making it the best choice for implementing wireless access at a defense contractor.

The color code used for a PS/2 keyboard connector on new motherboards is purple. This color coding is a standard convention followed by motherboard manufacturers to differentiate the PS/2 keyboard connector from other connectors. The purple color makes it easier for users to identify and connect their PS/2 keyboards to the correct port on the motherboard.

The RoHS directive aims to restrict certain dangerous substances commonly used in electronics equipment. It stands for Restriction of Hazardous Substances and is a European Union directive that restricts the use of substances such as lead, mercury, cadmium, and certain flame retardants in electrical and electronic products. The directive aims to protect human health and the environment by reducing the negative impact of these substances on both. It requires manufacturers to ensure that their products comply with the specified restrictions before they can be sold in the European market.

A memory card reader is used for accessing the data on Secure Digital SD card, MMC, and CompactFlash (CF). This device allows users to connect their memory cards to a computer or other device and transfer data between them. It provides a convenient way to access and transfer files, photos, videos, and other data stored on these types of memory cards.

When a patch is applied automatically and users with scanners attached to their computers complain about not being able to access the scanners, the presence of an exclamation point next to the scanner in the device manager suggests that the issue may be related to the device driver. Manually uninstalling and reinstalling the device driver can help resolve compatibility issues caused by the patch, allowing the scanners to be accessed again.

The correct answer is "An unauthorized person gains entrance to the building where the company's database server resides and accesses the server by pretending to be an employee" and "An unauthorized person calls a user to be a system administrator in order to get the user's password". These two scenarios describe social engineering attacks. In the first scenario, the attacker manipulates their way into the building by impersonating an employee, gaining physical access to the server. In the second scenario, the attacker tricks a user into believing they are a system administrator and convinces them to disclose their password. Both of these attacks exploit human vulnerabilities to gain unauthorized access to systems or information.

A screensaver can be used as a basic security measure because it helps to protect sensitive information on a computer screen from being viewed by unauthorized individuals. When a screensaver is activated after a certain period of inactivity, it obscures the contents of the screen, preventing others from seeing what is displayed. This can be particularly useful in shared spaces or public areas where there is a risk of someone accessing the computer without permission. By activating a screensaver, users can ensure that their information remains secure when they are away from their computer.

Shareware refers to proprietary software that is provided to users without payment on a trial basis and is often limited by any combination of functionality, availability, or convenience.

If the power cable runs along with the computer network cable, electromagnetic interference (EMI) can occur. EMI is the disturbance caused by electromagnetic radiation from external sources that can interfere with the signals transmitted through the network cable. This interference can lead to data corruption, signal degradation, and communication errors. It is important to keep power cables and network cables separated to minimize the risk of EMI.

Active Matrix and Passive Matrix are both types of LCD monitors. Active Matrix LCD monitors use a transistor for each pixel, resulting in faster response times and better image quality. Passive Matrix LCD monitors, on the other hand, use a grid of conductors to control the pixels, which is less expensive but also less efficient. X-Matrix is not a recognized type of LCD monitor, and SVGA refers to a type of video graphics array, not a type of LCD monitor.

UXGA video technology supports a maximum resolution of 1600 x 1200.

The 6-pin Mini-Din connector is also known as PS/2.

USB supports hot plugging, which means that devices can be connected or disconnected from a USB port without having to restart the computer. Additionally, you can connect up to 127 peripheral devices to a single USB port, allowing for a high level of connectivity and versatility.

SMPS (Switched Mode Power Supply) and Monitor can cause great harm to one's life with lethal electric shocks. SMPS is responsible for converting the AC power from the wall outlet to the DC power required by the computer components. If not handled properly, it can deliver high voltage electric shocks. Similarly, monitors can store high levels of electrical charge which can be dangerous if mishandled. Floppy drives and keyboards, on the other hand, do not possess the same level of electrical risk.

A USB host supplies power to the USB bus at a voltage of 5 volts. This is the standard voltage for USB power delivery and is used to power and charge various USB devices such as smartphones, tablets, and other peripherals. It is important to note that different USB versions may have different power delivery capabilities, but the most common and widely used voltage is 5 volts.

An anti-virus software file that is updated from time to time to protect a computer from new viruses is referred to as a "definition." Definitions contain information about the characteristics and behavior of specific viruses, allowing the anti-virus software to identify and remove them. Regularly updating the definition file ensures that the anti-virus software can effectively detect and eliminate new threats.

Mac Filtering is the most appropriate security measure that can be recommended in this scenario. Mac Filtering allows the customer to create a list of specific MAC addresses (unique identifiers for network devices) that are authorized to connect to the Wi-Fi network. This ensures that only the authorized computers can access the network, providing an additional layer of security.

A video adapter is a device that is responsible for generating and displaying visual output on a computer monitor. It has its own BIOS (Basic Input/Output System) which is a firmware that initializes and controls the hardware settings of the video adapter. The BIOS allows the computer to communicate with the video adapter and ensures that it functions properly. This includes configuring display settings, resolution, color depth, and other parameters. Having its own BIOS allows the video adapter to operate independently and ensures compatibility with the computer system.

The correct answer is "it involves two or more methods as part of the authentication process". This means that multi-factor authentication requires the use of multiple methods or factors to verify the identity of a user. These factors can include something the user knows (such as a password), something the user has (such as a smart card), or something the user is (such as a fingerprint). By combining multiple factors, multi-factor authentication provides an extra layer of security compared to single-factor authentication methods.

PCMCIA stands for Personal Computer Memory Card International Association. PCMCIA cards are commonly used for adding functionality to laptops, such as network cards, modems, and wireless adapters. Therefore, if the sales representative's laptop does not have a network card, adding a PCMCIA card would be the appropriate choice to address the issue. MCA, PCI, and AGP are not relevant in this scenario as they are different types of expansion slots used in desktop computers, not laptops.

The most likely causes of a virus attack include installing an application from an unreliable source, downloading a file from an unknown website, installing a DLL file from an unreliable source, and using a floppy, a compact disk, or a pen drive from an unreliable source. These actions can expose a computer to malicious software that can infect the system and compromise its security.

ECC RAM (Error Correcting Code RAM) should be selected because it is specifically designed to detect and correct errors in data that is being read from or written to the RAM. This type of RAM uses additional bits to store error correction codes, allowing it to identify and fix single-bit errors, and detect multiple-bit errors. By using ECC RAM, the chances of data corruption or system crashes due to memory errors are significantly reduced, making it a reliable choice for those concerned about error handling.

The best way to put the customer's Windows XP machine back into a working state is to use the Windows recovery console with the Windows recovery CD. This will allow the user to access advanced troubleshooting options and repair any system errors or issues that are causing the computer to be unusable. Reinstalling Windows or uninstalling new software may not address the underlying cause of the problem, while using the recovery console provides a more comprehensive solution.

eSATA (External Serial ATA) is the correct answer because it has a maximum data transfer rate of 2400 Mbps. FireWire 800 has a maximum data transfer rate of 800 Mbps, USB 1.1 has a maximum data transfer rate of 12 Mbps, and USB 2.0 has a maximum data transfer rate of 480 Mbps. Therefore, eSATA is the only option that matches the given data transfer rate.

WUXGA video technology supports a maximum resolution of 1920 x 1200.