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Q. Explain about Domain Name System?
-In the past, mapping of IP addresses was static using a host file
-Impossible in today's dynamic environment
-Domain Name System (DNS) was created to divide mapping information to be stored on multiple computers to be accessed when needed
Can you define Data link Layer?
discuss communication isolation and privatization in network topologies
No Retransmission This protocols will not through the correctly received packets but buffers than and send acknowledgment for those packets. Thus retransmission of th
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
Sole Access Protocol The atomic operations, which have conflicts, are handled using sole access protocol. The process used for synchronization in this protocol is given below:
MULTICASTING : The answer to above problem is multicasting. It is the normal form of broadcasting. It acts like broadcasting however it does not broadcast frames automatically
(a) Explain how a CDMA system works? (b) Explain howWelsh-Hadamard codes are generated. Explain why orthogonality between different spreading codes is important. (c) Consider
Used in IP Networks to break up larger networks into slighter subnetworks. It is used to decrease network traffic, Optimized network performance, and make simpler management i.e. t
Q. Show the seven layers of ISO's OSI model? Ans:- The seven layers are given below: - Application Layer - Presentation Layer - Session Layer - Transport Laye
Path Overhead It is part of SPE and contain followings information: Performance monitor of synchronous transport , signal , path , track ,parity ,checks, and path status.
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