A connection that provides a dedicated link between two devices is known as connection
1. A connection that provides a dedicated link between two devices is known as connection.
a) primary
b) multipoint
c) point-to-point
d) secondary
2. To accomplish flow control, TCP uses a ___________ window protocol.
a) limited-size
b) sliding
c) fixed-size
d) none
3. A _______ is a data communication system within a building, plant, or campus, or between nearby buildings.
a) LAN
b) MAN
c) WAN
d) none of the above
4. Communication between a computer and a keyboard involves ______________ transmission.
a) simplex
b) half-duplex
c) full-duplex
d) automatic
5. An unauthorized user is a network _______ issue.
a) security
b) reliability
c) performance
d) all the above
6. 100Base-T4 uses ________ line coding.
a) 8B6T
b) Manchester
c) MLT-3
d) NRZ
7. The most widely used local area network protocol is .
a) Token Bus
b) Ethernet
c) Token Ring
d) none of the above
8. 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
9. In Ethernet addressing, if all the bits are 1s, the address is _________.
a) multicast
b) broadcast
c) unicast
d) none of the above
10. 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
11. The _____ sublayer is responsible for the operation of the CSMA/CD access method and framing.
a) MAC
b) MII
c) LLC
d) ADG
12. 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
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