Which 2 kinds of DNS servers can never be authoritative over any domain ?
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suposse u r working in compny n they provide u an email id to get information , only u know ur id password , can ur boss hack or open ur email? without knowing password ?
main roll of network administrator
What functions does the session layer perform ? a. flow control b. find te best route c. frame building d. communication control such as simlex/half-duples/full-duples and connectionless/connection oriented
Which layer addresses the stations attached to the transmission medium and the next higher protocol that used the transmission service.
If the remote server network or NIC get fails means how to control that remote server without any human interruption? What is the tool is used for connect the remote server?
5 Answers LLC, Tata Teleservices, Wipro,
What do you see as current networking security issues?
Describe the commands to set up a route.
Which file is used to identify and register the reserved port numbers, services, and protocols for the Internet. (well know ports)
Which file holds the IP address of the default gateway ?
A packet header contains 4 parts. they are:
Define proxy servers?
Define rsa algorithm?
Networking Protocols 
