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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.
What does the following sequence of commands accomplish? router igrp 71 network 10.0.0.0 router igrp 109 network 172.68.7.0 Ans) It isolates network 10.0.0.0 and 172.68.7.0 and
What is ARCNet? The Attached Resource Computer Network (ARCNet) standard was formed in 1977 at the Data Point Corporation by a scientist - John Murphy. ARCNet uses the toke
Q. Show the Flow characteristics? Flow characteristics Reliability - if lacking means that packets or ACKs are lost - more important with FTP, SMTP than with audio
Can you define PPTP (Point-to-Point Tunneling Protocol)?
Access Networks and Physical Media Access networks are the physical links(S) that connect an end systems to its edge router. Which is the first router on a path fr
What is D-AMPS D-AMPS uses 832 channels (in every direction) with three users sharing a sole channel. This allows D-AMPS to support up to the 2496 users simultaneously per cel
What is Connection-oriented communication Connection-oriented communication can be in three phases. In establishment phase a request is made to set up the connection. Only afte
Q. Describe the Hardware complexity of Benz Network? Hardware complexity of Benz Network: Benz network employs lesser switches and it gives good connectivity. To come across h
Network Problems Q1 Consider the single-sender CDMA example in Kurose & Ross. What would be the sender's output (for the 2 data bits shown), if the sender's CDMA code were (
Question : a) Explain why pervasive computing can be termed as a "technology that disappears". b) List and briefly explain four main components of a MOTE used in Wireless
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