Exercise: Networking

Questions for: Networking

A WATS arrangement
A:
is always less expensive than flat-rate service
B:
is less expensive than flat-rate service only when the number of calls is large and the duration of each is short
C:
is less expensive than flat-rate service only when the number of calls is small and the duration of each is long
D:
is never less expensive than flat-rate service
Answer: B
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Which of the following is an example of a client-server model?
A:
TELNET
B:
FTP
C:
DNS
D:
All of the above
Answer: D
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The MAC (Media Access Control) address of the network card is used in both Ethernet and Token-Ring networks and is essential for communication. What does MAC provide?
A:
A logical address that identifies the workstation
B:
A physical address that is randomly assigned each time the computer is started
C:
A physical address that is assigned by the manufacturer
D:
The logical domain address for the workstation
Answer: C
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What OSI layer handles logical address to logical name resolution?
A:
Transport
B:
Physical
C:
Presentation
D:
Data Link
Answer: A
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The interactive transmission of data within a time sharing system may be best suited to
A:
simplex lines
B:
half-duplex lines
C:
full-duplex lines
D:
biflex-line
Answer: B
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