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Networking

Computer Network

A Computer Network is a system of interconnected computers and devices that communicate and share resources like data, files, and internet access.

  1. Which layer in OSI model performs network routing, flow control, and error control function?
    A) Network layer ✅
    B) Session layer
    C) Physical layer
    D) Data link layer

  2. What is the full form of IP?
    A) Internet protect
    B) Intranet protocol
    C) Internet protocol ✅
    D) International protocol

  3. What is the full form of TCP?
    A) Test Control Protocol
    B) Transfer Control Protocol
    C) Transport Control Protocol
    D) Transmission Control Protocol ✅

  4. Which layer is the layer 2 in OSI network model?
    A) Session layer
    B) Physical layer
    C) Data link layer ✅
    D) Transport layer

  5. Which layer is the layer 4 in OSI model?
    A) Session layer
    B) Network layer
    C) Data link layer
    D) Transport layer ✅

  6. Which is the 6th layer in OSI communication model?
    A) Session layer
    B) Network layer
    C) Application layer
    D) Presentation layer ✅

  7. What is the abbreviation of OSI?
    A) Open Source Internet
    B) Open System Interaction
    C) Open Source Interconnection
    D) Open System Interconnection ✅

  8. What is the full form of EFT?
    A) Electronic Form Transfer
    B) Electronic Fund Transfer ✅
    C) Electronic Field Transfer
    D) Electronic Format Transfer

  9. Which is an example for WAN?
    A) Ethernet ✅
    B) Home network
    C) Campus network
    D) Bluetooth network

  10. What is the full form of ADSL?
    A) Asymmetrical Digital System Line
    B) Automatic Digital Subscriber Line
    C) Asymmetrical Digital Subscriber Line ✅
    D) Asynchronous Digital Subscriber Line

  11. Which is the layer 3 in OSI model?
    A) Network layer ✅
    B) Session layer
    C) Physical layer
    D) Data link layer

  12. Which is a reference tool for understanding data communication between any two network systems?
    A) LAN
    B) WAN
    C) ISO model
    D) OSI model ✅

  13. What is called the interconnected computer systems located at different places?
    A) Internet
    B) Computer layout
    C) Computer network ✅
    D) Connectivity of computer

  14. Which topology combines characteristics of linear bus and star topologies?
    A) Bus
    B) Star
    C) Tree ✅
    D) Mesh

  15. How many pairs of wires are contained in category 5 UTP cable?
    A) 3
    B) 4 ✅
    C) 5
    D) 6

  16. What is the maximum speed supported by category 5 UTP cable?
    A) 1mbps
    B) 10mbps
    C) 100mbps ✅
    D) 1000mbps

  17. The address 2001:db8:a0b:12f0::1 is formatted in _____?
    A) IPV0
    B) IPV2
    C) IPV4
    D) IPV6 ✅

  18. Which device is installed in a subscriber’s telephone line to allow both ADSL and regular voice (telephone) services to be used at the same time?
    A) Hub
    B) Switch
    C) MODEM
    D) Micro filter ✅

  19. Which layer of OSI Model transfers data between network entities?
    A) Layer 1
    B) Layer 2
    C) Layer 3
    D) Layer 4 ✅

  20. Which device connects multiple network segments along with the data link layer?
    A) Hub
    B) Bridge ✅
    C) Router
    D) Switch

  1. Which device is used to amplify or regenerate digital signals received while sending them from one port of a network into another?
    A) Hub
    B) Bridge
    C) Switch
    D) Repeater ✅

  2. Which device modulates analog signal to encode digital information and demodulates carrier signal to decode the transmitted information over the telephone network?
    A) Hub
    B) Bridge
    C) Switch
    D) MODEM ✅

  3. Which device is used to connect one network with another network that uses different protocols?
    A) Hub
    B) Router
    C) Switch
    D) Gateway ✅

  4. Which device forwards data packets between computer networks?
    A) Hub
    B) Router ✅
    C) Switch
    D) Gateway

  5. What is the speed of standard 10 base T cable?
    A) 1 mbps
    B) 10 mbps ✅
    C) 100 kbps
    D) 100 mbps

  6. Which type of cable is used in 10 base-FL cable standard?
    A) UTP
    B) STP
    C) Co-axial
    D) Fibre optic ✅

  7. What is the speed of 100BASE-TX cable?
    A) 1 mbps
    B) 10 mbps
    C) 100 kbps
    D) 100 mbps ✅

  8. Which is the standard connector for category-5, unshielded twisted pair cabling?
    A) RJ11
    B) RJ14
    C) RJ25
    D) RJ45 ✅

  9. How many pairs of wires are there in category 1 UTP cables?
    A) 1 ✅
    B) 2
    C) 3
    D) 4

  10. Which is an application layer of internet standard protocol used by local e-mail clients to retrieve e-mail from a remote server over a TCP/IP connection?
    A) IP
    B) FTP
    C) UDP
    D) POP ✅

  11. Which layer in OSI model provides transfer of data between end users?
    A) Session layer
    B) Network layer
    C) Data link layer
    D) Transport layer ✅

  12. What is the purpose of the last three layers in OSI model?
    A) Common application services
    B) Data presentation within the end-user system
    C) Passing traffic through the network to an end system ✅
    D) Manage the dialogue between end user application process

  13. Which layers of OSI model does the router operate?
    A) Layer 2
    B) Layer 3 ✅
    C) Layer 6
    D) Layer 7

  14. Which layer of OSI network model does repeater work?
    A) Layer 1 ✅
    B) Layer 2
    C) Layer 3
    D) Layer 4

  15. Which is a standard network protocol used to transfer files from one host or to another host over a TCP-based network, such as the internet?
    A) FTP ✅
    B) TCP
    C) UDP
    D) SMTP

    1. Which is a network protocol used on the internet or LAN to provide a bi-directional interactive text-oriented communication facility using a virtual terminal connection?
      A) FTP
      B) TCP
      C) UDP
      D) Telnet ✅

    2. NFC stands for________
      A) Near field communication ✅
      B) New field communication
      C) Near firm communication
      D) Near Field Camera

    3. VPN stands for________.
      A) Vita power nation
      B) Virtual private network ✅
      C) Very powerful network
      D) Very powerful nation

    4. Father of networking ________
      A) Ray Noorda ✅
      B) Jef Bejos
      C) Stan Lee
      D) Tim Berners-Lee

    5. When data transfer is only in one direction, it is called ______.
      A) Half duplex
      B) Simplex ✅
      C) Full duplex
      D) Communication

    6. Bus topology is also called __________.
      A) Line topology ✅
      B) Linear topology ✅
      C) Star topology
      D) Both A and B

    7. Which topology is used in LAN?
      A) Bus/Horizontal Topology ✅
      B) Hybrid

    8. In computer network, the central computer is called ______.
      A) Server ✅
      B) Router

    9. Each IP Packet must contain __________
      A) Source and Destination address ✅
      B) Destination Address only

    10. Which of the following cables transmits messages in the form of light waves?
      A) STP cable
      B) UTP cable
      C) Co-axial cable
      D) Optical fibre cable ✅

    11. The systematic design (like radial, ring, etc.) of connecting computers in a network is called network _______.
      A) Topology ✅
      B) Protocol
      C) Firewall
      D) Antivirus

    12. WLAN stands for______ .
      A) Wireless Local Area Network ✅
      B) Wired Local Area Network
      C) Wireless Local Area Number
      D) Wireless Local Arithmetic Network

    13. The device which repeats a signal on all lines except the incoming one is called _______.
      A) Hub ✅
      B) Switch
      C) MODEM
      D) Router

    14. Bluetooth signals have a range of ________.
      A) 1m
      B) 5m
      C) 10m ✅
      D) 100m

    15. W3C in networking stands for ______.
      A) World Wide Winter Consortium
      B) World Wide Web Contest
      C) World White Web Consortium
      D) World Wide Web Consortium ✅

    16. The TCP/IP protocol which permits sharing of large files over the Internet is called ______ .
      A) File Transfer Protocol (FTP) ✅
      B) Hyper Text Transmission Protocol (HTTP)
      C) Simple Mail Transfer Protocol (SMTP)
      D) Network Time Protocol (NTP)

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