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What is meaning and work of network administrator in a company? please answer me asap.

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Give one disadvantage of a peer to peer network?

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You have class B network with a 12 bit subnet. How many subnets and how many hosts per subnet are available ? a. 14, 14 b. 14, 4094 c. 4096, 14 d. 4094, 16 e. 4094, 14

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Which DNS debugging tool allows in-depth debugging of DNS problems ?

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if the server has slow how to check the server performance? How to check server performance what is the procedure?

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Which sublayer builds frames? a. LLC b. MAC c. none d. both

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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 the diff between LLT,GAB&TCP/IP?

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I have two switch.Two Uplink ports of a switch is interconnected with other switch.consider uplink port of a switch is 100 Mbps.Now tell me whether bandwidth of uplink port will increase or not.IF it is How much?

5 Answers   WebEx,

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Your previous Network Administrator had subnneted your Class C network into many subnets. Only info you have is that the mask was 255.255.255.224 How many subnets did he make ? How many nodes were there per subnet ? a. 2, 62 b. 7, 30 c. 6, 30 d. 6, 62 e. 7, 62

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How long is MAC address (bytes) ? How may bytes identifies the vendor? a. 8,2 b. 6,3 c. 8,4 d. 6,2

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What is the advantage of subnetting ?

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