Computer Quiz : Data Communication & Networking

 

  • Which of the following IP address class is Multicast?
    A. Class A
    B. Class C
    C. Class D
    D. Class B

    Answer
    C. Class D
  • The last address of IP address represents ________
    A. Unicast Address
    B. Network Address
    C. Broadcast Address
    D. None of the Above

    Answer
    C. Broadcast Address
  • _______ provides a connection-oriented reliable service for sending messages.
    A. IP
    B. TCP
    3. UDP
    4. All of the Above

    Answer
    B. TCP
  • What is the default subnet mask for a class A network?
    A. 127.0.0.1
    B. 255.0.0.0
    C. 255.255.255.0
    D. 255.255.0.0

    Answer
    B. 255.0.0.0
  • Layer 5 of the OSI model is _________
    A. Physical layer
    B. Data link layer
    C. Transport layer
    D. Session layer

    Answer
    D. Session layer
  • What is the port number for Simple Mail Transfer Protocol (SMTP)?
    A. 21
    B. 23
    C. 22
    D. 25

    Answer
    D. 25
  • What is the default subnet mask for a class C network?
    A. 127.0.0.1
    B. 255.0.0.0
    C. 255.255.255.0
    D. 255.255.0.0

    Answer
    C. 255.255.255.0
  • Layer 3 of the OSI model is _________
    A. Physical layer
    B. Data link layer
    C. Network layer
    D. Application layer

    Answer
    C. Network layer
  • What is the default subnet mask for a class B network?
    A. 127.0.0.1
    B. 255.0.0.0
    C. 255.255.255.0
    D. 255.255.0.0

    Answer
    D. 255.255.0.0
  • Devices on one network can communicate with devices on another network through a __________
    A. printer server
    B. file server
    C. utility server
    D. gateway

    Answer
    D. gateway

 

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