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Communication between a computer and a keyboard involves ______________ transmission. a) simplex b) half-duplex c) full-duplex d)  automatic   An unauthorized user is a network _______ issue. a) security b) reliability c) performance d) all the above   100Base-T4 uses ________ line coding. a) 8B6T b) Manchester c) MLT-3 d) NRZ   The most widely used local area network protocol is. a)   Token Bus b)   Ethernet c)   Token Ring d)   none of the above   1000Base-SX, 1000Base-LX, and 1000Base-CX use _________ block coding and ________ line coding. a) 8B/10B; NRZ b) 4B/5B; NRZ c) 8B/10B; MLT-3 d) 4B/5B; MLT-3   In Ethernet addressing, if all the bits are 1s, the address is _________. a) multicast b) broadcast c) unicast d) none of the above   Each station on an Ethernet network has a unique _______ address imprinted on its network interface card (NIC). a) 48-bit b) 32-bit c) 5-byte d) none of the above   The _____ sublayer is responsible for the operation of the CSMA/CD access method and framing. a) MAC b) MII c) LLC d) ADG   In IPv6, the _______ field in the base header restricts the lifetime of a datagram. a) version b) next-header c) hop limit d) neighbor-advertisement

Communication between a computer and a keyboard involves ______________ transmission. a) simplex b) half-duplex c) full-duplex d)  automatic   An unauthorized user is a network _______ issue. a) security b) reliability c) performance d) all the above   100Base-T4 uses ________ line coding. a) 8B6T b) Manchester c) MLT-3 d) NRZ   The most widely used local area network protocol is. a)   Token Bus b)   Ethernet c)   Token Ring d)   none of the above   1000Base-SX, 1000Base-LX, and 1000Base-CX use _________ block coding and ________ line coding. a) 8B/10B; NRZ b) 4B/5B; NRZ c) 8B/10B; MLT-3 d) 4B/5B; MLT-3   In Ethernet addressing, if all the bits are 1s, the address is _________. a) multicast b) broadcast c) unicast d) none of the above   Each station on an Ethernet network has a unique _______ address imprinted on its network interface card (NIC). a) 48-bit b) 32-bit c) 5-byte d) none of the above   The _____ sublayer is responsible for the operation of the CSMA/CD access method and framing. a) MAC b) MII c) LLC d) ADG   In IPv6, the _______ field in the base header restricts the lifetime of a datagram. a) version b) next-header c) hop limit d) neighbor-advertisement

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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  1. Communication between a computer and a keyboard involves ______________ transmission.
  2. a) simplex
  3. b) half-duplex
  4. c) full-duplex
  5. d)  automatic

 

  1. An unauthorized user is a network _______ issue.
  2. a) security
  3. b) reliability
  4. c) performance
  5. d) all the above

 

  1. 100Base-T4 uses ________ line coding.
  2. a) 8B6T
  3. b) Manchester
  4. c) MLT-3
  5. d) NRZ

 

  1. The most widely used local area network protocol is.
  2. a)   Token Bus
  3. b)   Ethernet
  4. c)   Token Ring
  5. d)   none of the above

 

  1. 1000Base-SX, 1000Base-LX, and 1000Base-CX use _________ block coding and ________ line coding.
  2. a) 8B/10B; NRZ
  3. b) 4B/5B; NRZ
  4. c) 8B/10B; MLT-3
  5. d) 4B/5B; MLT-3

 

  1. In Ethernet addressing, if all the bits are 1s, the address is _________.
  2. a) multicast
  3. b) broadcast
  4. c) unicast
  5. d) none of the above

 

  1. Each station on an Ethernet network has a unique _______ address imprinted on its network interface card (NIC).
  2. a) 48-bit
  3. b) 32-bit
  4. c) 5-byte
  5. d) none of the above

 

  1. The _____ sublayer is responsible for the operation of the CSMA/CD access method and framing.
  2. a) MAC
  3. b) MII
  4. c) LLC
  5. d) ADG

 

  1. In IPv6, the _______ field in the base header restricts the lifetime of a datagram.
  2. a) version
  3. b) next-header
  4. c) hop limit
  5. d) neighbor-advertisement
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