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

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

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Computer Networking
CSMA (Carrier Sense Multiple Access) is

None of these
a very common bit-oriented data link protocol issued by ISO.
a method access control technique for multiple-access transmission media.
network access standard for connecting stations to a circuit-switched network
a method of determining which device has access to the transmission medium at any time

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Computer Networking
What does the passive command provide to dynamic routing protocols?

Stops the router from receiving any dynamic updates.
Stops the router from sending any dynamic updates.
Stops an interface from sending periodic dynamic updates but not from receiving updates.
Stops an interface from sending or receiving periodic dynamic updates.

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