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Computer Networking

Computer Networking
Which command is used to upgrade an IOS on a Cisco router?

copy tftp run
copy tftp start
config net
copy tftp flash

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Computer Networking
Routers operate at layer _____. LAN switches operate at layer _____. Ethernet hubs operate at layer _____. Word processing operates at layer _____.

3, 2, 1, none
3, 2, 1, 7
3, 3, 1, 7
3, 3, 2, none
All of these

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Computer Networking
FDDI is a

mesh network
bus based network
ring network
None of these
star network

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Computer Networking
Which of the following is the decimal and hexadecimal equivalents of the binary number 10011101?

155, 0x9B
159, 0x9F
185, 0xB9
157, 0x9D

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Computer Networking
The channel in the data communication model can be

telephone lines
postal mail service
All of these
None of these
radio signals

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Computer Networking
A default Frame Relay WAN is classified as what type of physical network?

Non-broadcast multipoint
Broadcast multi-access
Point-to-point
Non-broadcast multi-access

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