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Computer Networking

Computer Networking
Which layer 4 protocol is used for a Telnet connection?

TCP
UDP
IP
TCP/IP

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Computer Networking
The signal to noise ratio for a voice grade line is 30.1 dB (decibels) or a power ratio of 1023:1. The maximum achievable data rate on this line whose spectrum ranges from 300 Hz to 4300 Hz is

6200 bps
31000 bps
None of these
9600 bps
34000 bps

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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)

9600 bands
1200 bands
2400 bands
4800 bands
DHCP Management Console

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Computer Networking
On a class B network, how many hosts are available at each site with a subnet mask of 248?

4,094
1,022
8,190
16,382
2,046

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Computer Networking
If you wanted to delete the configuration stored in NVRAM, what would you type?

erase running
erase nvram
delete nvram
erase startup

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Computer Networking
Who originally designed TCP/IP?

None of these
Novell
The Department of Defense
Xerox
IBM

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