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/etc/init.d/sendmail stop

respected sir., i need knowledge, i want to do R.H.E.C but problem is this i am science graduate and a new to software line, i want to develop my carrier in I.t sector. please guide. thanks

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What is the importance of authentication?

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What does DNS stand for ?

1 Answers  

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Which command lists versions and states of the mountd service running on a host called unix1 ?

1 Answers  

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how many machines can access together SQL server in workgroup networking.??

2 Answers  

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What is RSTP?

0 Answers   HCL,

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How does ToS bit work?

1 Answers   EDS,

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If a switch has been configured with two vlans, how many broadcast domains will be there

0 Answers   HCL,

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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

1 Answers  

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Internet layer is the same as which layer in OSI ?

1 Answers  

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What is native VLAN? What is the use?

1 Answers   HCL,

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How do you use a routing table and for what?

2 Answers  

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