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Q. Explain about Error Detection?
Data can be corrupted during transmission because of accidents, Storms, sudden increase in electricity and voltage / decrease in signal power over distance
For reliable communication errors should be detected and corrected
Q. Focus of Reliability Control? - Implementation of the OSI model puts emphasis on providing a reliable data transfer service while the TCP/IP model treats reliability as an e
Link State Packet When a router floods the network with information about its neighbourhood. It is said to be advertising. The basis of this advertising is a short pack
Ethernet Addressing Every station on the network must have a unique physical address Offered by a six-byte physical address encoded on the network interface card (NIC)
Question 1 What does the SNMP access policy represent? Question 2 Does there exist any formal functional specification for SNMPv1 management? Question 3 In the con
List some most useful advantages of Token Ring. Here are Token ring's most useful advantages: a. It depends excellent throughput under high-load conditions. b. Token Ring
Consider the site-to-site VPN scenario shown in Figure 2. Let's deploy the AH protocol on the two VPN routers so that no desktop on the two sites need to do any AH operations. Assu
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.
Reliability is the probability of success ; where success is defined as compliance to specified requirements. A system or an item is considered reliable if it performs satisfactori
Half duplex is analogous to a one a lane bridge, it can handle traffic in both directions but no at the similar time.
Frequency Division Multiplexing Frequency division multiplexing (FDM) is an analogy technique that can be applied when the bandwidth of a link is greater than the combined b
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