Why data link layer is divided into two layers?

2 Answers   HCL,

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Difference Between DDR1, DDR2 and DDR3 memories.

0 Answers   Amdocs,

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What is multicast routing

0 Answers   Elgi Equipments,

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If i want to crack any serial key using system information then how can i do it? Is it possible?

0 Answers   IBM,

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what is WiFi?what is the latest version?

4 Answers   BPO, Infosys, Serco,

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What is the differnce between win 2000 server & win 2003 server?

1 Answers  

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Differentiate between ISO-OSI and TCP/IP reference model.

1 Answers  

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The physical layer service is a non-confirmed service. Assume that some bits of data are lost during transmission over physical media, which layer will detect the loss and take some remedial measures. Explain any one method clearly depicting how this operation is performed.

0 Answers  

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difference between parallel and serialo communication

1 Answers   IBM,

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Why Use VSATs?

0 Answers   Hughes,

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What are the different type of networking or internetworking devices?

13 Answers  

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not able to connect to SBI Visa payment server...Getting message like "Server not found"...."proxy protected by firewall"....how to resolve this issue?

1 Answers   TCS,

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