what is ROI?

3 Answers   IBM, Wipro,

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What does the MAC sublayer of the Data Link Layer do ? (choose all that apply) a. builds frames b. checks to see that nothing got damaged in transit by CRC c. determines "which machine goes first on the wire" d. provides path to the destination host e. Gets data on and off the wire

1 Answers  

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A subnet's mask is 255.255.255.240. How many nodes can this subnet have?

1 Answers  

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Which protocol is working behind DHCP server? and what excatly DORA does?

3 Answers   HP,

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Three computers and a printer in the same office are all connected by a cable so that users can share the printer. Is this a LAN?

1 Answers  

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Which script starts the in.named daemon ?

1 Answers  

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What is native VLAN? What is the use?

1 Answers   HCL,

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What entry in the /etc/gateways file would define a route to the host called host2 via the gateway called host4? Assume that host2 is 2 hops away and that the gateway is NOT expected to exchange RIP information.

1 Answers  

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Define proxy servers?

0 Answers  

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What is arp main job?

0 Answers  

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what is the purpose of activ directory in windows2003

2 Answers  

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What works at the Data Link layer of the OSI model.

1 Answers  

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