Computer Networking
Which three commands can be used to check LAN connectivity problems on a router?1. show interfaces2. show ip route3. tracert4. ping5. dns lookups

2 and 5
None of these
1 ,2 and 4
3 and 5

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Computer Networking
Which of the following summation operations is performed on the bits to check an error-detecting code?

Codec
Attenuation
Broadband and baseband refer to the different frequencies at which infrared operates then transmitting signals in certain conditions
Checksum
Coder-decoder

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