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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
Calculate the Network Address, the broadcast address and the host range, for the following host address i. 192.168.180.94/27 ii. 172.23.8.19 /21 iii. 147.252.238.20 255.255.240.0 b
Authoritative DNS Servers Every organization with publicly accessible hosts ( such as web server and mail several on the internet must provide publicly accessible D
State about the communications network 1) The communications network may only accept blocks of data up to a specific size. (2) Error control might be more effective with a
The application for this assignment is somewhat arti?cial. Normally, an application would not interact directly with IP. Instead, it would create a UDP or TCP socket and interact w
It is possible for a datagram to generate ICMP errors after it has been fragmented. For example, suppose that each of two fragments cannot be delivered. Seemingly, this would mean
Wireless Ethernet (802.11) a) Operates on physical plus data link layers b) BSS (Basic service set) stationary or mobile wireless stations and a central base station known a
Define the term - public knowledge information It is essential to distinguish between public knowledge information and the more detailed pieces of information relating to spec
What are the dissimilar ways authentication mechanism in VPN?
NETWORK ANALYZERS: A network analyzer also known network monitor or a network sniffer is used to calculate the performance of or debug a network. It may report statistics s
Question Which elementary logic gate is equivalent to this circuit? Show your working.
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