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Computer Quiz : Data Communication & Networking Set – 10

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Dear Aspirants,
Welcome to Online Computer Quiz in Affairscloud.com. Here we are providing sample questions in Data Communication & Networking. It will be very useful for all SBI/IBPS/LIC exams and other competitive exams. We have also included some important questions that are repeatedly asked in previous exams.

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

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

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

  4. 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
    B. 255.0.0.0

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

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

  7. 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
    C. 255.255.255.0

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

  9. 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
    D. 255.255.0.0

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