Computer Networking
Which of the following communications modes support two-way traffic but in only one direction of a time?

half-duplex
three-quarters duplex
None of these
simplex
full-of the above

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Computer Networking
What is the purpose of Spanning Tree Protocol in a switched LAN?

To manage the VLAN database across multiple switches
To create collision domains
To prevent routing loops in networks with redundant paths
To prevent switching loops in networks with redundant switched paths
To provide a mechanism for network monitoring in switched environments

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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
2 and 3 only
None of these
1 only

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Computer Networking
Which of the following is true when describing a unique local 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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