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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.
Session layer examples are Netbios Names, SQL, NFS, X Windows, and RPC.
List the Advantages of microwaves. a. They need no right of way acquisition among towers. b. They can carry high quantities of information because of their high operating f
A network in which there is multiple network links among computers to provide multiple paths for data to travel.
What are the advantages of bus topology? The benefit of physical bus topology is: a. It uses established standards and it is relatively simple to install. b. It needs les
Q. How two adjacent layers communicate in a layered network or what do you understand by Service Access Point? Ans: In layered network, each layer has several entities and enti
Can you describe L2TP?
Two hosts are connected by a path made of four links as shown in the figure below. The links are of data rate R = 2 Mbps each. Host A has a file of size F = 1,000,000 bytes to tran
Distance vector-based routing algorithms (also called as Bellman-Ford algorithms) pass periodic copies of a routing table from router to router. Regular updates among routers commu
Question 1 Describe the architecture and usage of ISDN Question 2 Write about different network structures in use Question 3 Explain the concept of framing in Data Li
1. A virtual memory system has a virtual address space of 4 Gigabytes and a page size of 8 Kilobytes. Each page table entry occupies 4 bytes. a) How many bits remain unchanged
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