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4 Cards in this Set
- Front
- Back
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Which of the following is not an example of a dynamic routing protocol?
a - RIP b - IGRP c - RRAS d - OSPF |
c - RRAS (Pg 136 Routing and Remote Access Service)
a - Pg 147, a dynamic routing protocol b - Pg 148 |
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Which of the following is an example of packet switching technology?
a - T1 b - Frame Relay c - 802.1X d - ATM |
b - Frame relay. X.25 is the other packet switching technology that the internet was originally built upon.
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Which of the following represents ISDN technology that can support video conferencing?
a - BRI b - ATM c - PRI d - OC3 |
Of these options, only a and c represent ISDN technology. BRI, basic rate ISDN, is too slow. PRI, primary rate ISDN is 1.536 Mbps, which is fast enough.
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If a router doesn't have an entry in its routing table associated with the destination address encoded in a packet, where will the packet be sent?
a - to the physically nearest router b - to its default next router c - to the original source router d - to the most recent source router |
b - the router will send the packet to its default next router, which will try to determine the best route for the packet. If none is found, that router will forward the packet to its default next router.
Routers do not return packets. They would just get sent right back, accomplishing nothing. Routers also don't know which routers are physically nearest, though they can determine which router is the fewest hops away. |
