Answer / Amzad Ali

Mail Gateway is a software or hardware component that acts as an interface between different email systems, allowing them to exchange emails. It can convert emails from one format to another and filter spam and viruses.

Define Wireless Networks

1 Answers   Hughes,

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What is a Multi-homed Host

1 Answers   Elgi Equipments,

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What is the difference between forward lookup and reverse lookup in DNS?

5 Answers  

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Define Consumer Satellite Products

1 Answers   Hughes,

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What are two characteristics of clients in data networks?

1 Answers   Cisco,

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Discuss how satellite network differs from traditional networks such as Ethernet, Tokenbus.

1 Answers  

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Can a machine with a single DNS name have multiple IP addresses? If so give a possible example. If not then explain why not?

2 Answers  

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How is Ntework Testing carried out?

1 Answers  

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Explain what is meant by the term ‘integrated service digital network’. Give three reasons a company might choose an ISDN link in preference to a leased line.

1 Answers  

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Why is a data link layer switch preferred over a hub ?

1 Answers  

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How many layers are there in OSI ?

11 Answers   Honeywell,

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What is virtual path

1 Answers   Elgi Equipments,

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