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Q. What is network layer of osi model?
- Describe end-to-end delivery of packets.
- Defines logical addressing thus that any endpoint can be identified.
- Defines how routing works as well as how routes are learned thus that the packets can be delivered.
- The network layer as well defines how to fragment a packet into smaller packets to accommodate different media.
- Routers work at Layer 3.
- Instances - IPX, IP and AppleTalk.
DNS Message There are the only two kinds of DNS message DNS query and reply messages. Further mote both query and reply message have the same format as shown in figure.
5 IGRP supports a feature that permits traffic to be distributed among up to 6 (4 default) paths to give greater allover throughput and reliability. What is this called? Ans) An
Determine the benefits of security on internet or intranet Security has long been seen as a major threatening point in the implementation of the Internet or of Intranet technolog
Physical layers defines with synchronizing the 1s and 0s on the wire.
System Deadlock A deadlock refers to the situation when simultaneous processes are holding resources and preventing each other from completing their implementation. The fol
Reliability Reliability is the measure of how often a network is usable. MTSF( Mean time Between Failure) is a measure of the average time a component is expected to ope
Q. Explain Dynamic Domain Name System? DDNS - Dynamic Domain Name System automatically updates the DNS master file - Sent by DHCP to a primary DNS server; secondary se
Describe about the term- network If network tends to lose the packets, it is better to acknowledge each one of them separately, so the lost packets could be retransmitted. On t
What do you mean by OSI? The Open System Interconnection (OSI) reference model explains how information from a software application in one computer moves by a network medium to
This assignment will assess parts of objectives 2-6 from the subject outline: 1 Explain the principles of logical design 2 Discuss the strengths and weaknesses of various net
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