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However what if you don't know about the IP address of the computer you wished to connect to? What if you have to access a web server referred to as www.abc.com? How does your web browser know where this computer lives on the Internet? The answer to all of these questions is the Domain Name Service or DNS. It is a distributed database, which keeps track of computer's names & their corresponding IP addresses on the Internet.
Determine the definition of HDLC HDLC has only one address field. In a LAN, any station may transmit to any other station. The receiving station needs to see its own address in
Can you explain in short what VPN is?
This new model of Client/Server having of thin, portable, "universal" clients those talks to super fat servers. In the easiest form, a web server returns documents when clients ask
• This device creates one big collision domain and one large broadcast domain.
FILTERING INCOMING FRAMES: An analyzer may be configured to process and filter frames. It may count frames of a specific size or type. It may also shows only frames from or to
Q. Show Upper Layers of tcp-ip model? The Session Layer - The Session layer allows two parties to hold ongoing communications called a session across a network. - Not
Hub A hub is a small box that connects individual devices on network so that these devices can communicate with each other. Hub is an inexpensive device. It is comm
Authentication in PPP PPP can support authentication operations at the beginning of a connection. In some cases reauthentication is also possible during a session. Endpo
Process Switching It applies the brute force method to switch packets wih consumption of large amount of CPU time List of items are needed when switching packets Routing
Q. Explain the Bit-Level Encryption? Bit-Level Encryption - Data is divided into blocks of bits then altered by encoding/decoding, permutation, substitution, exclusive OR
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