Exercise: Networking

Questions for: Networking

A required characteristic of an online real-time system is:
A:
more than one CPU
B:
offline batch processing
C:
no delay in processing
D:
All of the above
Answer: C
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The physical layer, in reference to the OSI model, defines
A:
data link procedures that provide for the exchange of data via frames that can be sent and received
B:
the interface between the X.25 network and packet mode device
C:
the virtual circuit interface to packet-switched service
D:
All of the above
Answer: B
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Examples are packet switching using frame relay, and cell switching using ATM technologies. Select the best fit for answer:
A:
Bandwidth alternatives
B:
Switching alternating
C:
Inter organizational networks
D:
Extranets
Answer: B
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The encoding method specified in the EIA-232 standard is _____.
A:
NRZ-I
B:
NRZ-L
C:
Manchester
D:
Differential Manchester
Answer: B
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You have a network ID of 192.168.10.0 and require at least 25 host IDs for each subnet, with the largest amount of subnets available. Which subnet mask should you assign?
A:
255.255.255.192
B:
255.255.255.224
C:
255.255.255.240
D:
255.255.255.248
Answer: B
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