Computer Networks

701. The customer equipment interface unit provides the interface to the

  1. Customer host equipment
  2. Protocol emulation
  3. Both a & b
  4. None of these

Correct answer: (C)
Both a & b

702. The DAS stands for

  1. Dual Access Station
  2. Dual Attachment Station
  3. Data Access Station
  4. Data Attachment Station

Correct answer: (B)
Dual Attachment Station

703. The data communication process allocates memory resources, commonly known as ____________ for the sake of transmission and reception of data

  1. Communication buffers
  2. Communication media
  3. Both a & b
  4. None of these

Correct answer: (A)
Communication buffers

704. The data link layer also deals with the issue of addressing what is popularly known as

  1. Hardware
  2. Address
  3. MAC address
  4. All of these

D answer: (D)
All of these

705. The data link layer encapsulates each packet in a frame by adding

  1. Header
  2. Trailer
  3. Both a & b
  4. None of these

Correct answer: (C)
Both a & b

706. The data link layer is also known as

  1. Link layer
  2. Data layer
  3. Open layer
  4. None of these

Correct answer: (A)
Link layer

707. The data transmission is a fixed length of data known as

  1. Cell
  2. Frame
  3. Relay
  4. Cell relay

Correct answer: (A)
Cell

708. The data unit of SMDS can encapsulate frames of

  1. IEEE802.3
  2. IEEE802.5
  3. FDDI
  4. All of these

Correct answer: (D)
All of these

709. The D-channel in BRA is used for sending and receiving signal between

  1. User devices
  2. ISDN
  3. Both a & b
  4. None of these

Correct answer: (C)
Both a & b

710. The destination address and source address field is similar to

  1. IEEE 802.3 or CSMA/CD bus
  2. IEEE 802.4 or token bus
  3. IEEE 802.5 or token ring
  4. IEEE 802.6 or MAN protocol

Correct answer: (A)
IEEE 802.3 or CSMA/CD bus

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