Computer Networks

571. Sliding window protocol keeps record of frame sequences sent and acknowledged when communication takes place between

  1. Users
  2. Two users
  3. More users
  4. None of these

Correct answer: (B)
Two users

572. Sliding window protocol makes use of two types of frames namely

  1. Data frame
  2. Acknowledgement frame
  3. Both a & b
  4. None of these

Correct answer: (C)
Both a & b

573. Sliding window protocol works on ____________ in which there is simultaneous two-way communication

  1. no duplex
  2. half duplex
  3. full duplex
  4. single duplex

Correct answer: (C)
full duplex

574. SMDS is a

  1. Data service
  2. Telephone service
  3. Frame service
  4. Video service

Correct answer: (A)
Data service

575. SMDS is a packet switched, high speed, connectionless public data service that extends

  1. Local Area Network
  2. Metropolitan Area Network
  3. Wide Area Network
  4. All of these

Correct answer: (D)
All of these

576. SMDS is capable of variety of technologies including

  1. DQDB(Distributed Queue Dual Bus)
  2. Broadband ISDN(B-ISDN)
  3. Both a & b
  4. None of these

Correct answer: (C)
Both a & b

577. SMDS make use of

  1. Copper
  2. Fiber media
  3. Both a & b
  4. None of these

Correct answer: (C)
Both a & b

578. SMDS make use of cell relay with ____________ per cell

  1. 53 octets
  2. 56 octets
  3. 58 octets
  4. 55 octets

Correct answer: (A)
53 octets

579. SMDS network also planned to link B-ISDN and SONET OC3 with a data rate of

  1. 1.5Mbit/s
  2. 45Mbits/s
  3. 155Mbit/s
  4. 1.9Mbit/s

Correct answer: (C)
155Mbit/s

580. SMDS networks have many underlying devices for supporting high-speed service are

  1. Subscriber network interface(SNI)
  2. Carrier equipment
  3. Customer Premises Equipment (CPE)
  4. All of these

Correct answer: (D)
All of these

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