Choose three reasons why the networking industry uses a layered model: * It facilitates systematic troubleshooting * It allows changes in one layer to occur without changing other layers * It allows changes to occur in all layers when changing one protocol * It clarifies how to do it rather than what general function to be done * It clarifies what general function is to be done rather than how to do it

2 Answers   Cisco, Infitec,

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Explain one basic requirement for establishing vlans?

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You try "ping server1" and you get "unknown host server1" . Why ?

1 Answers  

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What is a "preamble" in IEEE 802.3 frame? a. an indication of the end of a frame b. an indication of the start of a new frame c. an indication of congestion d. an indication of a corrupted frame

1 Answers  

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Which process responds to the RARP requests ?

1 Answers  

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What is called as a series of bits with a well-defined beginning and ending.

1 Answers  

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Which is the main sendmail configuaryion file ?

1 Answers  

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List the different network protocols that are supported by windows rras services?

0 Answers  

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Which command displays information about network interface hme0 ?

1 Answers  

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Is there any website? Which can theft or watch any system or computer hardware drives(memory)while they are accessing Internet.If it is avilable what is it? Please answer me.Advance thanks

0 Answers  

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What do you have to do add changes to the NIS database after adding/modifying the appropriate map ?

1 Answers  

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which is the latest versions of bluetooth & WiFi?

1 Answers  

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