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specifies name of address mapping of root servers

3 types of mail access supported by IMAP4 are:

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How does a DNS server find the actual root servers ?

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You have a Class C network. You want to subnet it such that you have at least 25 hosts per subnet. How many subnets can you have?

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You can ping servers on the subnet your workstation is on, but not other subnets. What is wrong?

7 Answers   Primaccess,

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Sequence Number in a TCP header is used for (list all that apply) a. acknowledgements b. upper layer information c. reordering of the octets received d. protocol dependent information e. rejecting the duplicate octates

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X windows maps to which OSI layer ? a. application b. presentation c. session d. transport e. network

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Non-authoritative answers can be incorrect mostly due to :

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Best example of Flat Addressing Scheme among the following ? a. MAC addresses b. Classless IP addresses c. Classful IP addresses d. IPX addresses

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You are setting up a 100 Mbps network in a building, which is pre-wired. After testing you decided that the cabling is category 3 compliant. What do you do? a. Keep existing b. Change to category 5

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Have you worked in an assignment based environment, e.g. work request or trouble ticket system, and if so, describe that environment?

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Which layer deals converts formats (unix-dos, EBCDIC-ASCII etc.) ? a. session b. presentation c. transport d. application

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Tell me what happens when you use cables longer than the prescribed length?

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