What is VLSM? how to Calculate VLSM? where it is use and why?

13 Answers  

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What is cisco?

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Which of the following are Transport layer protocols? A.) UDP B.) TCP C.) NBP D.) IP E.) SPX

3 Answers  

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What is the difference between DTE & DCE???

12 Answers   ISDN, Wipro,

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Which device listed below provides clocking for the line? A.) DCE B.) CPE C.) CO D.) DTE E.) Demarc

2 Answers  

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1900 Value in which type of access list?

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What does a router do with a packet that it does not have a destination network for? A.) Sends it to the Serial port B.) Drops the packet C.) Sends it back out the same interface it received it in D.) Forwards the packet to the next hop

1 Answers  

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Identify 3 methods used to prevent routing loops? A.) Split horizon B.) Holddown timers C.) Poison reverse D.) SPF algorithm E.) LSP's

2 Answers  

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What does the "IPX maximum-paths 2" command accomplish? A. It enables load sharing on 2 paths if the paths are equal metric paths. B. It sets up routing to go to network 2. C. It is the default for Cisco IPX load sharing. D. It enables load sharing on 2 paths if the paths are unequal metric paths.

3 Answers  

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What must be true for two routers running IGRP to communicate their routes? A.) Same autonomous system number B.) Connected using Ethernet only C.) Use composite metric D.) Configured for PPP

1 Answers  

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What are hold-downs used for? A.) To prevent regular update messages from reinstating a route that has come back up B.) Information received on an interface cannot be sent back out the same interface C.) To prevent regular update messages from reinstating a route that has gone down D.) To hold the routing table from being sent to another router

1 Answers  

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How do you find valid hosts in a subnet?

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