Exercise: Networking
Questions for: Networking
Avalanche photodiode receivers can detect hits of transmitted data by receiving
A:
100 photons
B:
200 photons
C:
300 photons
D:
400 photons
Answer: B
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Contention is
A:
One or more conductors that serve as a common connection for a related group of devices
B:
a continuous frequency capable of being modulated or impressed with a second signal
C:
the condition when two or more stations attempt to use the same channel at the same time
D:
a collection of interconnected functional units that provides a data communications service among stations attached to the network
Answer: C
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Which of the following technique is used for fragment?
A:
a technique used in best-effort delivery systems to avoid endlessly looping packets
B:
a technique used by protocols in which a lower level protocol accepts a message from a higher level protocol and places it in the data portion of the low level frame
C:
one of the pieces that results when an IP gateway divides an IP datagram into smaller pieces for transmission across a network that cannot handle the original datagram size
D:
All of the above
Answer: C
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How many hosts are attached to each of the local area networks at your site?
A:
128
B:
254
C:
256
D:
64
Answer: B
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The term 'duplex' refers to the ability of the data receiving stations to echo back a confirming message to the sender. In full duplex data transmission, both the sender and the receiver
A:
cannot talk at once
B:
can receive and send data simultaneously
C:
can send or receive data one at a time
D:
can do one way data transmission only
Answer: B
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