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Computer Networking

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

copy tftp start
config net
copy tftp run
copy tftp flash

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Computer Networking
Which statements are true regarding ICMP packets?1. ICMP guarantees datagram delivery.2. ICMP can provide hosts with information about network problems.3. ICMP is encapsulated within IP datagrams.4. ICMP is encapsulated within UDP datagrams.

1 and 4
All of these
2 and 3
1 only

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Computer Networking
What is the port number for POP3?

49
80
110
90

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Computer Networking
The configuration register setting of 0x2102 provides what function to a router?

Boots the IOS from a TFTP server
Tells the router to boot into ROM monitor mode
Provides password recovery
Tells the router to look in NVRAM for the boot sequence

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Computer Networking
What does 240 translate to in binary?

11110000
11100000
1111
11110
None of these

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Computer Networking
A form of modulation In which the amplitude of a carrier wave is varied in accordance with some characteristic of the modulating signal, is known as

Aloha
modem
None of these
Amplitude modulation
Angle modulation

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