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Which layers are user support layers?
Three layers are come under user support layer:-
a. Session Layer
b. Presentation Layer and
c. Application Layer
Communication, Resource sharing and Media (When many host share their resources with every other OR when many devices connect with each other for resource sharing )
Fixed version of rdt 2.0 rdt 2.1 The rdt 2.1 sender and receiver FSM each now have twice as many states as before. This is because the protocols state must now refle
Frequency Division Multiplexing Frequency division multiplexing (FDM) is an analogy technique that can be applied when the bandwidth of a link is greater than the combined b
What is the Terminal Emulation, in which layer it comes? Ans) The use of software, installed on PC or LAN server, that permits the PC to function as if it were dumb terminal dir
Router A router is used to route (transfer) data among two or more same networks. It verifies the next network point to which a data packet should be forwarded. The router is l
Security risks present on the networks Lots of risks are present everywhere on Internet as well as on Intranet, if it is not known what is being done. Every day a number of
When we specifically block, single router update for other routers
Source Port Number This fields occupies the first 16 bytes of the UDP header. This fields typically hold the UDP port number of the application sending this datagram. The
What is a Counter A software code that indicates how many times a site has been visited. It gets automatically updated and is usually represented by a small rectangle with n
Q. What are the trends in Network Security ? Trends in Network Security Improved vigilance for virus infections Continual maturation of firewall technologies
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