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What is CRC and Checksum
CRC (Cyclic redudancy check)
CRC, is the most powerful of the redundancy checking methods, is based on binary division.
Checksum
Checksum is used by the higher layer protocols (TCP/IP) for error detection
Question : a) Give three examples of vulnerable services which are among the overwhelming majority of successful attacks. b) Name the five outside sources which can be the
Network Criteria - Performance - It is able to be measured by transit time and response time. Affected by type of medium, number of users and connected HW/SW - Reliability
1. Bob has been given the task of changing the IP address and enabling telnet access on a CISCO 2950 enterprise switch. The current IP address is 10.10.10.2/8 the new IP address
Can you describe the concept of Collision domain?
State the methods to keep the attackers at bay Another best methods to keep the attackers at bay is known as network address translator or NAT. The philosophy behind the design
PRAM is one of the models used for designing the parallel algorithm as given in Figure. The PRAM models have the following components: A set of identical type of processors
explain Learning Bridges in deatil.
Name various types of guided and unguided transmission media. If you are connecting your office computers through a local area network which transmission media would you use? Why?
Large data packets result in fewer load because a smaller part of the packet is used for header information. Optimum networks use 4kB data packets or larger. Large data packets
a) Assume that the time required to transmit one packet (i.e. the packet length divided by link data rate) is 10ms and the Round Trip Time (from Source to Destination and back) is
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