Computer Networking
Which of the following is true when describing a unicast address?

Packets addressed to a unicast address are delivered to a single interface.
These are your typical publicly routable addresses, just like a regular publicly routable address in IPv4.
These are like private addresses in IPv4 in that they are not meant to be routed.
These addresses are meant for nonrouting purposes, but they are almost globally unique so it is unlikely they will have an address overlap.

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Computer Networking
What is route poisoning?

It prevents regular update messages from reinstating a route that has just come up.
It describes when a router sets the metric for a downed link to infinity.
It sends back the protocol received from a router as a poison pill, which stops the regular updates.
It is information received from a router that can't be sent back to the originating router.

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Computer Networking
Which two of the following are true regarding the distance-vector and link-state routing protocols?1. Link state sends its complete routing table out all active interfaces on periodic time intervals.2. Distance vector sends its complete routing table out all active interfaces on periodic time intervals.3. Link state sends updates containing the state of its own links to all routers in the internetwork.4. Distance vector sends updates containing the state of its own links to all routers in the internetwork.

3 only
None of these
1 only
2 and 3 only

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Computer Networking
Ethernet networks can be cabled in a number of topologies, depending on what works best in each environment. As more nodes are added, the efficiency of Ethernet decreases. Select the best answer as to why Ethernet becomes less efficient as size increases.

"Line echo" occurs due to the impedance of the cable
Repeaters cannot increase the signal strength sufficiently
Cable terminators do not reflect the signal properly
Cable terminators do not absorb the signal properly
Network collisions occur

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