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Which layer performs basic functions such as file transfer, virtual terminal and job transfer are realized (SMTP, FTP, telnet, NFS, SNMP).

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what is difference safe mode normal mode

4 Answers   TATA, Wipro,

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1. Where is that value controlled? 2. What value does spawn return? 3. What is DNS? 4. How do you take a single line of input from the user in a shell script? 5. How do you create a swapfile? 6. what do you mean by server

2 Answers   IBM,

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What does a "preamble" consist of ? a. all 0s b. all 1s c. a 1 in the beginning and rest 0s d. alternating 0s and 1s

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What agent accepts messages from mail user agent. resolves destinations addresses, selects proper mailer to deliver mail, and receives incoming mail from other mail transfers agents.

1 Answers  

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Telephone wire uses an what type of connector"

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Describe one advantage of mesh topology?

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which layer converts user input into data ? a. application b. presentation c. session d. transport

1 Answers  

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You have a Class C network. You want to subnet it such that you have at least 6 hosts per subnet. How many subnets can you have?

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I am using windows server 2008 and its working as DHCP server. 100 clients are connected to this server. All clients are accessing Internet. But I wanna to block some specific websites which is not required by client. So how it can be done through DHCP server? is there any third party software available ? or any other method you know then please answer it.

1 Answers  

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List the functions of a network administrator?

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What are the drawbacks of implementing a ring topology?

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