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Checksum
This 16 bits field contain the checksum. The calculation of the checksum for TCP follows the same procedure as the described for UDP. However the inclusion of the checksum in the UDP datagram is optional whereas the inclusion of the checksum for TCP is mandatory.
What is difference between ARP and RARP? The address resolution protocol (ARP) is used to associate the 32 bit IP address with the 48 bit physical address, used by a host or a
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Determine the working of Communications Intranet Intranets of this type tend to feature in geographically dispersed organisations. The motivation for its implementation is g
A hypertext link is a special tag that links single page to another page or resource. If you click the link, the browser goes to the link's destination.
Drawback of Repeaters. Repeater has no filtering capability as it forwards every frame. Repeater shell be placed at accurate distance before actual signal becomes
You are logged into a router, what command would represent you the IP addresses of routers linked to you? Ans)show cdp neighbors detail
- Lost as well as delayed ACKs - Bidirectional transmission both side needs both sending and receiving windows Note: In selective repeat ARQ the size of the sender and rece
There is only an application layer which is closer to user and also gives many application which user directly linked.for ex:- web browser
Customer Premise Equipment (CPE) are devices physically located at the subscriber's premises. Includes both owned and leased equipment.
What are the value added services Many organisations are demanding higher services (also called value added services) such as faxing, minimal cost call routing, connectivity to
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