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Q. Explain about Virtual Circuit Switching?
Virtual Circuit Switching
- All packets belong to a message (or) session is preserved.
- Single route is selected between source/destination.
- All packets obtain that route to reach destination.
- It requires a call setup to establish a virtual circuit. (Either permanent or switched type)
- Uses virtual circuit identifier for routing.
State about the Bus Topology Comments 1 - Requires less cabling than a star network 2 - If there is a central cable problem entire netwo. rk goes down 3 - Less e
LEASED SATELLITE CHANNEL: It may span arbitrarily big distance. It is given in the figure below. Figure Satellite connections are low bandwidth to protect cost
What are firewalls? Firewalls serve to protect an internal network from external attacks. These external threats can be hackers who need to steal data or computer viruses that
Determine the command that forces the router to load into ROM mode upon a reload? Ans) boot system rom ia the command that forces the router to load into ROM mode upon a reload
identify different network topologies.
In connectionless schema, there is no connection required. The source of data includes destination information in data and transmit to the network. Network transmit each data item
Matric define as Formula of path selection
Addressing Complicated addressing scheme because there may be intermediate stations (APs), identified by flags
Question 1: a) Give three examples of Shells in Linux. b) Differentiate between the Join command and the Paste command in Linux, use an example to support your answer.
State the statements about PPP and SLIP for WAN communications? Ans) a) PPP uses its Network Control Programs (NCPs) component to encapsulate many protocols. b) SLIP
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