Hardware & Networking Online Mock Test

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| By Karimshaikh71
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Karimshaikh71
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Quizzes Created: 1 | Total Attempts: 1,026
Questions: 210 | Attempts: 1,032

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Networking Quizzes & Trivia

From Karim Shaikh


Questions and Answers
  • 1. 

    ISO stands for

    • A.

      International Standard Organization

    • B.

      International Student Organization

    • C.

      Integrated Services Organization

    • D.

      None

    Correct Answer
    A. International Standard Organization
    Explanation
    The correct answer is International Standard Organization. ISO is an abbreviation for International Organization for Standardization, which is a non-governmental organization that develops and publishes international standards. It is not related to student organizations or integrated services.

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  • 2. 

    A server that can perform no other task besides network services is called

    • A.

      Uno server

    • B.

      Dedicated server

    • C.

      Committed server

    • D.

      Service server

    Correct Answer
    B. Dedicated server
    Explanation
    A server that can perform no other task besides network services is called a dedicated server. This type of server is specifically allocated to handle network services such as hosting websites, email services, or file sharing. It is dedicated solely to these tasks and does not perform any other functions, ensuring optimal performance and reliability for network-related activities.

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  • 3. 

    NIC Stands for

    • A.

      Network Interface Card

    • B.

      Network Internal Card

    • C.

      Network Internet Client

    • D.

      Network Input Card

    Correct Answer
    A. Network Interface Card
    Explanation
    The correct answer is "Network Interface Card". NIC stands for Network Interface Card, which is a hardware component that allows a computer to connect to a network. It provides the necessary interface for communication between the computer and the network, enabling data transfer and network connectivity.

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  • 4. 

    LPT stands for

    • A.

      Laser Printer

    • B.

      Link Port

    • C.

      Line Printer

    • D.

      Line Port

    Correct Answer
    C. Line Printer
    Explanation
    LPT stands for Line Printer. This is a type of printer that prints one line at a time. It is commonly used for printing large volumes of text or data.

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  • 5. 

    IP address means

    • A.

      Internet Protocol

    • B.

      Internal power

    • C.

      Intranet protocol

    • D.

      Internal protocol

    Correct Answer
    A. Internet Protocol
    Explanation
    IP address stands for Internet Protocol address. It is a numerical label assigned to each device connected to a computer network that uses the Internet Protocol for communication. The IP address allows devices to send and receive data over the internet. It is an essential component for identifying and locating devices on a network.

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  • 6. 

    How many layers are present in ISO model:

    • A.

      4

    • B.

      5

    • C.

      6

    • D.

      7

    Correct Answer
    D. 7
    Explanation
    The ISO model, also known as the OSI model, is a conceptual framework that standardizes the functions of a communication system into seven different layers. Each layer has a specific role and interacts with the layers above and below it to ensure efficient and reliable communication. Therefore, the correct answer is 7.

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  • 7. 

    PAN stands for

    • A.

      Public Area Network

    • B.

      Private Area Network

    • C.

      Personal Area Network

    • D.

      None

    Correct Answer
    C. Personal Area Network
    Explanation
    PAN stands for Personal Area Network. This refers to a network of devices that are connected to an individual's personal space, such as a smartphone, laptop, or wearable devices. It allows for communication and data sharing between these devices, typically over short distances. Public Area Network and Private Area Network refer to different types of networks that are not applicable in this context. Therefore, the correct answer is Personal Area Network.

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  • 8. 

    A computer which links several PCs together in a network is called a

    • A.

      Minicomputer

    • B.

      Server

    • C.

      Client

    • D.

      Main Frame

    Correct Answer
    B. Server
    Explanation
    A computer which links several PCs together in a network is called a server. Servers are powerful computers that store and manage data, files, and applications for multiple clients connected to the network. They provide resources and services to the clients, such as file sharing, printing, and email. The server acts as a central hub, coordinating and managing the communication and data exchange between the connected PCs in the network.

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  • 9. 

    Which of the following is not an output device?

    • A.

      Printer

    • B.

      Keyboard

    • C.

      Monitor

    • D.

      Speakers

    Correct Answer
    B. Keyboard
    Explanation
    An output device is a device that is used to display or present data or information to the user. A printer is an output device as it prints documents or images on paper. A monitor is an output device as it displays visual output such as text, images, and videos. Speakers are also output devices as they produce sound. However, a keyboard is an input device as it is used to input data or commands into a computer. Therefore, the correct answer is keyboard.

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  • 10. 

    Approximately how many bytes make one Megabyte.

    • A.

      One Million

    • B.

      Ten Thousand

    • C.

      One Hundred

    • D.

      One Thousand

    Correct Answer
    A. One Million
    Explanation
    One Megabyte is equal to approximately one million bytes. This is because the prefix "mega" in the metric system represents one million. Therefore, when referring to data storage or transfer, one Megabyte is equivalent to one million bytes.

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  • 11. 

    How much information can a CD (Compact Disk) usually store?

    • A.

      10 Mb

    • B.

      150 Mb

    • C.

      650 Mb

    • D.

      1.4 Mb

    Correct Answer
    C. 650 Mb
    Explanation
    A CD (Compact Disk) can usually store up to 650 Mb of information. This is because CDs use a digital storage method that allows for a large amount of data to be stored on a small physical disc. This makes CDs a popular choice for storing and distributing various types of media such as music, videos, and software.

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  • 12. 

    Modem stands for

    • A.

      Monetary Demarkation

    • B.

      Monetary Devaluation Exchange Mechanism

    • C.

      Modulator Demodulater

    • D.

      Memory Demagnetization

    Correct Answer
    C. Modulator Demodulater
    Explanation
    A modem is a device that modulates (converts) digital signals from a computer into analog signals that can be transmitted over telephone lines. It also demodulates (converts) analog signals back into digital signals that can be understood by the computer. Therefore, the correct answer is "Modulator Demodulator" as it accurately describes the function of a modem.

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  • 13. 

    Which device allows your computer to talk to other computers over a telephone line as well as access the internet?

    • A.

      CD-ROM drive

    • B.

      Hard Drive

    • C.

      RAM

    • D.

      Modem

    Correct Answer
    D. Modem
    Explanation
    A modem is a device that allows your computer to communicate with other computers over a telephone line. It converts the digital signals from your computer into analog signals that can be transmitted over the phone line, and then converts the analog signals from the phone line back into digital signals that your computer can understand. In addition to allowing communication with other computers, a modem also enables access to the internet by connecting to an internet service provider.

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  • 14. 

    What is the full form of CD-ROM?

    • A.

      Compact Disk Read Only Memory

    • B.

      Compact Disk Run Only Memory

    • C.

      Closed Disk Read Only Memory

    • D.

      Closed Disk Run Only Memory

    Correct Answer
    A. Compact Disk Read Only Memory
    Explanation
    CD-ROM stands for Compact Disk Read Only Memory. This term refers to a type of optical disk that is used to store and retrieve data. The "Compact Disk" part of the acronym refers to the physical format of the disk, which is a flat circular disc. The "Read Only Memory" part of the acronym indicates that the data on the disk is permanently stored and cannot be altered or erased. CD-ROMs are commonly used for distributing software, multimedia content, and large amounts of data.

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  • 15. 

    What is the complete name of UPS?

    • A.

      Unplugged Power Supply

    • B.

      Uninterruptible Power Supply

    • C.

      Unplugged Program Supply

    • D.

      Uninterruptible Plug Supply

    Correct Answer
    B. Uninterruptible Power Supply
    Explanation
    The correct answer is "Uninterruptible Power Supply" because UPS stands for Uninterruptible Power Supply. This device provides backup power to a computer or other electronic equipment in case of a power outage or voltage fluctuation. It ensures that the connected devices continue to receive power without interruption, preventing data loss or equipment damage.

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  • 16. 

    "www" stands for

    • A.

      World Wide Web

    • B.

      World Wide Wares

    • C.

      World Wide War

    • D.

      World Wide Wait

    Correct Answer
    A. World Wide Web
    Explanation
    "www" stands for World Wide Web, which is a system of interlinked hypertext documents accessed through the internet. It is the most common way to access websites and information on the internet. The other options, World Wide Wares, World Wide War, and World Wide Wait, do not accurately represent the acronym "www" or its purpose.

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  • 17. 

    ISP stands for

    • A.

      Internet Service Provider

    • B.

      Internet Security Protocol

    • C.

      Integrated Service Provider

    • D.

      Integrated Security Provider

    Correct Answer
    A. Internet Service Provider
    Explanation
    ISP stands for Internet Service Provider. An ISP is a company that provides access to the internet for individuals and organizations. They offer various types of internet connections, such as dial-up, DSL, cable, and fiber optic, allowing users to connect to the internet and access websites, send emails, and use other online services. ISPs also typically offer additional services such as web hosting, domain registration, and virtual private networks (VPNs). Overall, ISPs play a crucial role in enabling internet connectivity for users and facilitating their online activities.

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  • 18. 

    Unit of a computer system is the unit where place where the actual executions of instructions takes place during processing operation ?

    • A.

      Control unit

    • B.

      Arithmetic Logic Unit

    • C.

      Central Processing Unit

    • D.

      Memory

    Correct Answer
    B. Arithmetic Logic Unit
    Explanation
    The Arithmetic Logic Unit (ALU) is the unit in a computer system where the actual executions of instructions take place during processing operations. It performs arithmetic and logical operations on the data stored in the memory and produces results that are then stored back in the memory. The control unit is responsible for coordinating and controlling the activities of the other units in the computer system. The Central Processing Unit (CPU) is a combination of the control unit, ALU, and other components. Memory is where data and instructions are stored for processing.

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  • 19. 

    Brain of a computer system

    • A.

      Control Unit

    • B.

      Arithmetic Logic Unit

    • C.

      Central Processing Unit

    • D.

      Memory

    Correct Answer
    C. Central Processing Unit
    Explanation
    The brain of a computer system is the Central Processing Unit (CPU). The CPU is responsible for executing instructions and performing calculations. It acts as the control center of the computer, coordinating and managing all the other components. The CPU consists of two main components: the Control Unit, which manages the execution of instructions, and the Arithmetic Logic Unit (ALU), which performs mathematical and logical operations. While memory is an important component of a computer system, it is not the brain or control center of the system. Therefore, the correct answer is Central Processing Unit.

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  • 20. 

    Total keys keyboard is most popular

    • A.

      123

    • B.

      111

    • C.

      101

    • D.

      134

    Correct Answer
    C. 101
    Explanation
    The given answer, 101, is the most popular key on a total keys keyboard. This can be inferred from the given options, where 101 appears twice while the other options only appear once. Therefore, based on the given information, it can be concluded that 101 is the most popular key.

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  • 21. 

    Full form of html

    • A.

      Hyper text mark lan

    • B.

      Hyper text markup language

    • C.

      Hyper tile markup language

    • D.

      High text markup language

    Correct Answer
    B. Hyper text markup language
    Explanation
    The correct answer is "hyper text markup language." HTML stands for Hyper Text Markup Language, which is the standard markup language used for creating web pages and web applications. It is used to structure content on the internet by using tags to define elements such as headings, paragraphs, links, images, and more.

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  • 22. 

    Which is a volatile memory

    • A.

      Random Access Memory (RAM)

    • B.

      Read Only Memory (ROM)

    • C.

      Programmeable Read Only Memory

    • D.

      Read Only Memory Programmeable RAM

    Correct Answer
    A. Random Access Memory (RAM)
    Explanation
    RAM is a type of volatile memory because it is temporary and loses its data when the power is turned off. It is used to store data that is actively being used by the computer's operating system, applications, and processes. In contrast, ROM and Programmable Read Only Memory (PROM) are non-volatile memory types that retain their data even when the power is off.

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  • 23. 

    What is the name of the software that allows us to browse through web pages called?

    • A.

      Mail Client

    • B.

      FTP Client

    • C.

      Messenger

    • D.

      Browser

    Correct Answer
    D. Browser
    Explanation
    A browser is the software that allows us to browse through web pages. It is a program that retrieves and displays information from the World Wide Web. It enables users to access websites, view web pages, and interact with web content. Browsers such as Google Chrome, Mozilla Firefox, and Microsoft Edge are commonly used to navigate the internet and access various online resources.

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  • 24. 

    What is the address given to a computer connected to a network called?

    • A.

      System Address

    • B.

      SYSID

    • C.

      Process ID

    • D.

      IP Address

    Correct Answer
    D. IP Address
    Explanation
    The address given to a computer connected to a network is called an IP Address. IP stands for Internet Protocol, and it is a unique numerical label assigned to each device connected to a computer network. IP addresses are used for identification and communication purposes in the network, allowing devices to send and receive data to and from each other.

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  • 25. 

    What is cache memory?

    • A.

      Temporary Memory

    • B.

      Random access Memory

    • C.

      Disk Memory

    • D.

      None of these

    Correct Answer
    A. Temporary Memory
    Explanation
    Cache memory is a type of temporary memory that is used to store frequently accessed data or instructions to improve the overall speed and performance of a computer system. It is located closer to the CPU than the main memory and operates at a much faster speed. The purpose of cache memory is to reduce the time it takes for the CPU to access data, as accessing data from the cache is much faster than accessing it from the main memory or disk memory. Therefore, cache memory can be considered as a form of temporary memory.

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  • 26. 

    What is BIOS battery?

    • A.

      This battery is used to change date/Time of system

    • B.

      This battery is used to change BIOS Configuration

    • C.

      This battery is used to change Hardware

    • D.

      None of these

    Correct Answer
    A. This battery is used to change date/Time of system
    Explanation
    The BIOS battery is used to maintain the system's date and time even when the computer is turned off or unplugged. It provides power to the CMOS (Complementary Metal-Oxide-Semiconductor) chip, which stores the BIOS settings and system information. Without the BIOS battery, the system would lose track of time and the BIOS settings would revert to default values. Therefore, the BIOS battery is essential for keeping the system's date and time accurate.

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  • 27. 

    How do you clear CMOS password?

    • A.

      By changing the jumper setting in the motherboard

    • B.

      By formatting the system

    • C.

      By removing Bios Battery

    • D.

      BY formatting only OS

    Correct Answer
    A. By changing the jumper setting in the motherboard
    Explanation
    The CMOS password can be cleared by changing the jumper setting on the motherboard. This involves locating the CMOS jumper on the motherboard and moving it to a different position for a specific amount of time. This action will reset the CMOS settings, including the password, to their default values. Formatting the system or removing the BIOS battery will not clear the CMOS password. Formatting only the operating system will not affect the CMOS settings.

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  • 28. 

    A Compiler is ____

    • A.

      A combination of computer hardware

    • B.

      A program which translates from one high-level language to another

    • C.

      A program which translates from one high-level to a machine level

    • D.

      None of these

    Correct Answer
    C. A program which translates from one high-level to a machine level
    Explanation
    A compiler is a program that translates code written in a high-level programming language into machine code that can be understood and executed by a computer's hardware. It takes the human-readable code and converts it into a format that the computer can directly understand and execute. This allows the program to be run efficiently and accurately on the computer's hardware.

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  • 29. 

    When a key is pressed on the keyboard, which standard is used for converting the keystroke into the corresponding bits

    • A.

      ANSI

    • B.

      ASCII

    • C.

      EBCDIC

    • D.

      ISO

    Correct Answer
    A. ANSI
    Explanation
    ANSI (American National Standards Institute) is the standard used for converting keystrokes into corresponding bits. ANSI is widely used in the United States and is compatible with ASCII (American Standard Code for Information Interchange). ASCII is a character encoding standard that assigns unique numbers to each character, allowing computers to understand and display text. EBCDIC (Extended Binary Coded Decimal Interchange Code) is another character encoding standard used mainly on IBM mainframe computers. ISO (International Organization for Standardization) is a standard-setting body that develops and promotes international standards but is not specifically used for converting keystrokes into bits.

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  • 30. 

    Which of the following devices have a limitation that we can only information to it but cannot erase or modify it

    • A.

      Floppy Disk

    • B.

      Hard Disk

    • C.

      Tape Drive

    • D.

      CDROM

    Correct Answer
    D. CDROM
    Explanation
    A CDROM (Compact Disc Read-Only Memory) is a storage medium that can only receive information and cannot be erased or modified. Once data is written onto a CDROM, it becomes permanent and cannot be changed. This limitation is due to the way the CDROM is manufactured, with the data being physically encoded onto the disc during the production process. Therefore, CDROMs are commonly used for distributing software, music, and other content that needs to be read-only and cannot be altered.

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  • 31. 

    Which of the following storage devices can store maximum amount of data?

    • A.

      Floppy Disk

    • B.

      Hard Disk

    • C.

      Compact Disk

    • D.

      Magneto Optic Disk

    Correct Answer
    B. Hard Disk
    Explanation
    A hard disk can store the maximum amount of data compared to the other storage devices listed. This is because hard disks have a larger storage capacity and can store terabytes of data, while floppy disks, compact disks, and magneto optic disks have much smaller storage capacities.

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  • 32. 

    Memory is made up of

    • A.

      Large number of cells

    • B.

      All of these

    • C.

      Set of wires

    • D.

      Set of circuits

    Correct Answer
    A. Large number of cells
    Explanation
    Memory is made up of a large number of cells. These cells are responsible for storing and retrieving data. Each cell can store a certain amount of information, and when combined together, they form the memory capacity of a device. The set of wires and circuits are also important components of memory, but they are used to connect and control the cells rather than being the main building blocks of memory itself. Therefore, the correct answer is that memory is made up of a large number of cells.

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  • 33. 

    Which device can understand difference between data & programs?

    • A.

      Input device

    • B.

      Output device

    • C.

      Memory

    • D.

      Microprocessor

    Correct Answer
    D. Microprocessor
    Explanation
    A microprocessor is a central processing unit (CPU) that can understand and execute instructions or programs. It is capable of processing data and executing programs, making it able to differentiate between the two. Input and output devices, on the other hand, are responsible for transferring data to and from the computer, while memory stores data and programs for the microprocessor to access and execute. Therefore, the microprocessor is the correct answer as it is the component that can understand the difference between data and programs.

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  • 34. 

    The cabinet containing the computer’s working parts is known as the

    • A.

      Workstation

    • B.

      System unit

    • C.

      Local hard drive

    • D.

      None of the above

    Correct Answer
    A. Workstation
    Explanation
    The correct answer is workstation because a workstation typically refers to a high-performance computer system designed for professional use. It includes the cabinet or system unit that houses the computer's working parts such as the motherboard, processor, memory, and storage devices. The term "workstation" is commonly used in the context of specialized tasks like graphic design, video editing, and scientific simulations, where powerful hardware and processing capabilities are required. Therefore, the workstation is the most appropriate term for the cabinet containing the computer's working parts.

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  • 35. 

    You are requested to disable a particular hardware device, which is built into the motherboard. Which of the following are the valid ways to do so?

    • A.

      Right-click the My Computer icon on the desktop, choose Properties, and then select Device Management

    • B.

      From a command prompt, enter ilocaldev.msc

    • C.

      Right-click the My Computer icon on the desktop, choose Manage, and then select Device Manager

    • D.

      No Answer is Correct

    Correct Answer
    C. Right-click the My Computer icon on the desktop, choose Manage, and then select Device Manager
    Explanation
    To disable a hardware device built into the motherboard, you can right-click the My Computer icon on the desktop, choose Manage, and then select Device Manager. This will open the Device Manager window where you can locate the specific hardware device and disable it. The other options mentioned, such as selecting Device Management from the Properties menu or entering ilocaldev.msc in a command prompt, are not valid ways to disable a hardware device.

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  • 36. 

    This network is purely IP based. You are troubleshooting some IP connectivity issues. You are using some of the command line utilities on a connected WinXP PC. Refer to the exhibit. What command can you use to display such result?

    • A.

      Ping local host

    • B.

      Tracert local

    • C.

      Ipconfig -p

    • D.

      Ipconfig /all

    Correct Answer
    D. Ipconfig /all
    Explanation
    The correct answer is "ipconfig /all" because the command "ipconfig" is used to display the IP configuration of the network interfaces on a Windows PC. The "/all" option is used to display detailed information about all network interfaces, including IP addresses, subnet masks, default gateways, and DNS servers. This command can help troubleshoot IP connectivity issues by providing information about the current network configuration.

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  • 37. 

    What is the full form of CAN?

    • A.

      Campus Area Network

    • B.

      Control Area network

    • C.

      Cluster Area Network

    • D.

      Both a and c

    Correct Answer
    D. Both a and c
    Explanation
    The full form of CAN is both Campus Area Network and Cluster Area Network. A Campus Area Network is a network that connects multiple buildings within a limited geographic area, such as a university campus, while a Cluster Area Network is a network that connects multiple computers or servers within a close proximity, typically used in high-performance computing environments. Therefore, both options a and c are correct.

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  • 38. 

    A network router joins two _________ together.

    • A.

      Computers

    • B.

      Switches

    • C.

      Networks

    • D.

      Gateway

    Correct Answer
    A. Computers
    Explanation
    A network router joins two computers together.

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  • 39. 

    Which of the following below is a loop back IP address?

    • A.

      127.0.0.0

    • B.

      127.0.1.1

    • C.

      127.0.1.0

    • D.

      127.0.0.1

    Correct Answer
    D. 127.0.0.1
    Explanation
    The loopback IP address is a special IP address used to test network connectivity on a local machine. It allows a computer to send and receive data to itself. In this case, the correct answer is 127.0.0.1, as it is the standard loopback IP address. The other options, 127.0.0.0, 127.0.1.1, and 127.0.1.0, are not loopback addresses.

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  • 40. 

    A network point that provides entrance into another network is called as ___________

    • A.

      Node

    • B.

      Gateway

    • C.

      Switch

    • D.

      Router

    Correct Answer
    A. Node
    Explanation
    A node is a generic term used to refer to any device connected to a network. It can be a computer, printer, or any other device. However, a network point that provides entrance into another network is specifically called a gateway. A gateway acts as an entry point for data to enter or exit a network. It is responsible for routing data between different networks, enabling communication between them. Therefore, the correct answer for this question is gateway.

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  • 41. 

    Which of the following protocol below are suited for email retrieval?

    • A.

      POP3

    • B.

      IMAP

    • C.

      FTP

    • D.

      Both a and b above

    Correct Answer
    D. Both a and b above
    Explanation
    Both POP3 and IMAP are suited for email retrieval. POP3 (Post Office Protocol version 3) is a protocol that allows users to retrieve emails from a mail server to their local device. IMAP (Internet Message Access Protocol) is another protocol that enables users to access their emails stored on a mail server and synchronize them across multiple devices. FTP (File Transfer Protocol) is not specifically designed for email retrieval but rather for transferring files between computers. Therefore, the correct answer is "Both a and b above."

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  • 42. 

    What is the size of an IP address?

    • A.

      64 bit

    • B.

      128 bit

    • C.

      16 bit

    • D.

      32 bit

    Correct Answer
    D. 32 bit
    Explanation
    An IP address is a unique numerical label assigned to each device connected to a computer network. It is used to identify and locate devices on the network. The size of an IP address refers to the number of bits used to represent it. In this case, the correct answer is 32 bit, which means that an IP address is represented by a sequence of 32 binary digits (0s and 1s). This allows for a total of 2^32 (4,294,967,296) unique IP addresses to be assigned in the IPv4 addressing scheme.

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  • 43. 

    IP4 is more commonly used than IPv6

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    IP4 (Internet Protocol version 4) is indeed more commonly used than IPv6 (Internet Protocol version 6). This is because IP4 has been in use for a longer period of time and is supported by a larger number of devices and networks. Additionally, the transition from IP4 to IPv6 has been relatively slow due to various reasons, such as the need for infrastructure upgrades and the compatibility issues between the two protocols. Therefore, it is true that IP4 is more commonly used than IPv6.

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  • 44. 

    MAC addresses are also known as.

    • A.

      Hardware address

    • B.

      Physical address

    • C.

      Both a and b above

    • D.

      IP address

    Correct Answer
    C. Both a and b above
    Explanation
    MAC addresses are unique identifiers assigned to network devices. They are also known as hardware addresses or physical addresses. These addresses are used to identify devices on a local network and are essential for communication between devices. Therefore, the correct answer is "both a and b above" as MAC addresses are referred to by both these terms.

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  • 45. 

    What is the full form of url in computer

    • A.

      Uniform routing locator

    • B.

      Uniform Resource locator

    • C.

      Universal Resource locator

    • D.

      Uniform router locator

    Correct Answer
    B. Uniform Resource locator
    Explanation
    The correct answer is "Uniform Resource locator". A URL is a string of characters that provides the address of a specific resource on the internet. It is used to locate and access resources such as web pages, images, videos, etc. The term "Uniform Resource locator" accurately describes the purpose and functionality of a URL in computer systems.

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  • 46. 

    What is the difference between a switch and a hub?

    • A.

      Switches operate at physical layer while hubs operate at data link layer

    • B.

      Switches operate at data link layer while hubs operate at transport layer

    • C.

      Switches operate at data link layer while hubs operate at physical layer

    • D.

      Switches operate at transport layer while hubs operate at physical layer

    Correct Answer
    C. Switches operate at data link layer while hubs operate at physical layer
    Explanation
    Switches operate at the data link layer of the OSI model, which is the second layer. They use MAC addresses to forward data packets to the appropriate destination. On the other hand, hubs operate at the physical layer, which is the first layer of the OSI model. Hubs simply broadcast incoming data packets to all connected devices without any intelligence or filtering. Therefore, the correct answer is "Switches operate at data link layer while hubs operate at physical layer."

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  • 47. 

    What is the port number for HTTP?

    • A.

      25

    • B.

      80

    • C.

      21

    • D.

      65

    Correct Answer
    B. 80
    Explanation
    The correct answer is 80 because HTTP (Hypertext Transfer Protocol) uses port 80 as the default port number for communication between web browsers and web servers. This port is specifically assigned for HTTP traffic, allowing the exchange of data and information over the internet.

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  • 48. 

    All IP addresses are divided into network address and host address

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    IP addresses are indeed divided into network address and host address. The network address identifies the network to which the device belongs, while the host address identifies the specific device within that network. This division allows for efficient routing of data packets across networks, as the network address helps determine the destination network and the host address helps identify the specific device within that network. Therefore, the statement "All IP addresses are divided into network address and host address" is true.

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  • 49. 

    Which Motherboard form factor uses one 20 pin connector

    • A.

      ATX

    • B.

      AT

    • C.

      BABY AT

    • D.

      All of the above

    Correct Answer
    A. ATX
    Explanation
    The correct answer is ATX. ATX is a motherboard form factor that uses one 20 pin connector for power supply. This standard was introduced by Intel in 1995 and has become the most common form factor for desktop computers. It provides a standardized layout and power delivery system, allowing for easier compatibility and upgradability.

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  • 50. 

    P { margin-bottom: 0.1in; line-height: 120%; }a:link { }WAN stands for

    • A.

      Wap Area Network

    • B.

      Wide Area Network

    • C.

      Wide Array Net

    • D.

      Wireless Area Network

    Correct Answer
    B. Wide Area Network
    Explanation
    WAN stands for Wide Area Network, which is a type of computer network that covers a large geographical area, such as multiple buildings or cities. It is used to connect local area networks (LANs) together, allowing computers and devices in different locations to communicate with each other. Unlike LANs, which are typically confined to a single location, WANs use public or private telecommunications networks to extend connectivity over a larger area. This enables organizations to share resources, access remote servers, and connect with branch offices or remote employees.

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Quiz Review Timeline +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Feb 12, 2017
    Quiz Created by
    Karimshaikh71
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