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Explain the importance of authentication.
Authentication is the method of verifying a user's credentials before he can log into the network. It is normally performed using a username and password. This gives a secure means of limiting the access from unwanted intruders on the network.
Problem 1 Describe the architecture of the TCP/IP protocol suite Problem 2 Describe the principle of operation of REXEC protocol Problem 3 Describe the concept
Describe the term - Certification Authority The certification is most easily implemented with a custom solution combined with a server, called the Certification Authority (CA).
Each link layer process will have two connections: one "up" to the appropriate IP layer process, and one "sideways" to the link layer process on the simulated machine at the other
VLAN - Virtual Local Area Network Vlan is a logical grouping or segmenting a network linked to administratively described ports on a switch, they give Broadcast control, Securit
Output Port The function of the port is take the packets that have been stored in the out put port memory and transmits them over the out going link. The queuing and bu
What is WDM? WDM is conceptually the similar as FDM, except that the multiplexing and demultiplexing includes light signals transmitted by fiber optics channel.
Describe any good security technology A good security technology should be powerful enough to support the features that the administrators need, including rules validation to i
what is max length of cable I can use
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
What are the disadvantages of Star Topology? The disadvantages are considered as follows: a. Needs more cable than most topologies. b. Moderately complex to install.
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