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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.
Time out The protocols name Go Back N is derived from the sender behaviour in the presence of lost or overly delayed packets. A timer will again be used to recover
network design for company
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TCP Segment Structure Figure shows the format of the TCP segment. The header consists of a 20 bytes fixed part plus a variable size options fields. The description o
Define the term - frame and packets Frames sum up packets. When a packet arrives at data link layer, the complete packet, header, data and remaining all, is used as data field
Which layer is responsible for negotiating data transfer syntax? Ans) The Presentation layer does the following: Manages data representation conversions, or data transfer syntax
What are advantages of having e-commerce over extranets
Which NetWare protocol works on layer 3--network layer-of the OSI model? Ans)IPX
Determine the term- Web Server and Webmaster Web Server: A host computer that stores Web pages and responds to requests for viewing. Web servers communicate with Web browse
Give the types of firewalls Conceptually, there are two types of firewalls: 1. Network Level 2. Application Level Network Level Firewall/Packet Filters The Net
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