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Q. What is Authentication ?
- Verification of sender's identity.
- Accomplished through a digital signature, which is based on public key encryption/decryption.
- Uses reciprocity of RSA, however secret key is kept by the sender to -sign? the transmission.
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
State the Network environment of Intranets and Internet Intranets as well as the Internet are based purely on networks, the company intending to install Intranet must consider
Which switching technology can decrease the size of a broadcast domain? Ans) VLAN's are logical ways to break up a huge broadcast domain. To get from VLAN to VLAN you must ha
At the Physical layer of the OSI model Repeaters work by regenerating the signal to extend the distance it can travel.
Token Bus Frame Format No length field Data is able to be much larger (timers prevent hogs) Frame control Ack required? Data vs Control frame and how is
Recognize the command to show the status of the Frame Relay virtual circuit Ans) Router# show frame-relay pvc
Systolic Array : This interconnection network is a kind of pipelined array architecture and it's intended for multidimensional flow of data. It is used for applying fixed algorithm
What is net stat? Netstat is a command line utility program. It gives useful information about the current TCP/IP settings of a connection.
What are the advantages of logging more information to the alerts filestion #Minimum 100 words accepted#
What is horizontal and vertical parity A single error can cause both horizontal and vertical parity checks to be wrong. Two errors can also be easily detected. If they are not
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