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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.
Q. Show Nonreturn to Zero encoding? - Value of signal is for all time positive or negative - NRZ-L Signal level depends on bit represented; positive typically means 0
Network Layer and Routing As discussed in previous chapters the physical layer provides connection sand services to the data link layer while the data link layer is
1. Suppose the datagram source allocates 12 bytes for this option. Then when the datagram leaves the source host, the RR option area will be like this: 7 12 4 0 0 0 0 0 0 0 0 0
Question: (a) What is a script kiddie? Is it a significant security threat, and why? (b) Assume that UNIX uses the user login name in lieu of the traditional salt, what is
We can deactivate advanced editing us using terminal no editing
Q. Comparing Transport for TCP/IP and osi model? - The features of TCP and UDP defined at TCP/IP Transport Layer correspond to many of the requirements of the OSI Transport Lay
Transparency really means adumbrating the network and its servers from the users and even the application programmers.
Q. Show VLAN Membership and Configuration? VLAN Membership - May be classified by - Switch port numbers - MAC addresses - IP addresses - IP multicast addresse
Q. Explain Types of Redundancy Checks? Parity Check Simple Parity Check Two Dimensional Parity Check / Longitudinal Redundancy Check (LRC) CRC (Cyclic Redund
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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