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QUESTION
a) List the seven layers of the ISO-OSI model and briefly describe the role of each layer
b) Describe the functions of the following intermediate systems-
c) Assume six devices are arranged in a mesh topology
How many cables are needed?
How many ports are needed for each device?
What is meant by horizontal scaling and vertical scaling? Ans) Horizontal scaling means adding or removing client workstations with only a small performance impact. Vertical
I have a project on Information Communication Technology(I.C.T). So sir I want to know that what is internet? and how it works?
What is mesh topology Mesh topology is a setup wherein every device is linked directly to each other device on the network. Consequently, it needs that each device has at least
Consider the following network example. With the indicated link costs along each link in the figure, use Dijkstra's shortest-path algorithm to compute the shortest path from x to a
a) Used for sending e-mail. b) Uses port 25.
Broadcast and Multicast : Broadcast and Multicast :In the broadcast interconnection network, at one time one node transfer the data and all other nodes get that data. Broadca
Q. Define Name Space in domain name system? - All names assigned to machines on an internet - Must be unique; either flat or hierarchical - Flat name space - name is assi
Q. How to connect Remote LANs? - Remote bridges acting as connecting devices to connect LANs and point-to-point networks such as leased telephone lines or ADSL lines
What is EGP (Exterior Gateway Protocol)? It is the protocol the routers in neighboring autonomous systems use to recognize the set of networks that can be reached within or by
Consider figure. Assume a new flow E is added that takes a path from R1 to R2 to R6. How does the max-min bandwidth allocation change for the 5 flows?
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