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Computer Networking

Computer Networking
Data communications system depends on four fundamental characteristics

Medium
Sender
Receiver
Timeliness

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Computer Networking
Error detection at a data link level is achieved by

None of these
Hamming codes
cyclic redundancy codes
equalization
bit stuffing

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Computer Networking
An ROP would be attached to a

duplex channel
half duplex channel
None of these
full duplex channel
simplex channel

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Computer Networking
Phase shift keying (psk) method is used to modulate digital signals at 9600 bps using 16 levels. Find the line signaling speed (i.e., modulation rate)

2400 bands
4800 bands
9600 bands
DHCP Management Console
1200 bands

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Computer Networking
Which layer of international standard organization's OSI model is responsible for creating and recognizing frame boundaries?

None of these
data link layer
network layer
transport layer
physical layer

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Computer Networking
What information is displayed by the show hosts command?1. Temporary DNS entries2. The names of the routers created using the hostname command3. The IP addresses of workstations allowed to access the router4. Permanent name-to-address mappings created using the ip host command5. The length of time a host has been connected to the router via Telnet

All of these
1 and 4
1, 2 and 3
3, 4, and 5

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