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Q. Show the Character-level Encryption?
- Substitutional
- Monoalphabetic - simplest form; also called Caesar cipher
- Every character is replaced with another character in the set
- Ke and Kd are the similar and define the added or subtracted value
- Can be broken easily; does not hide repetition
- Polyalphabetic - each occurrence can have a different substitute (ex. Vigenere)
- Based also on position of character in the text
- Frequencies are not preserved; more difficult to break than monoalphabetic
Fat tree: It is a customized version of tree network. In this network bandwidth of edge (or connecting wire between nodes) increases in the direction of root. It's a more realisti
MAC (media access control) and LLC (logical link control) are both layer 2 protocols.
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
Q. What is Parabolic Dish Antenna? - Incoming signals means that the Signal bounces off of dish and is directed to focus - Outgoing signals signifies transmission is broadca
what is end to end and host to host?
define distortion
Explain Difference between broadcast domain and collision domain? Ans) Broadcast Domain Send the packet to all the Present Network IT might be send by the person It mig
As configuring of VLANs helps in controlling the size of broadcast domains. There are some key components of inter-VLAN routing such as VLAN capable switch Router Ro
Brigdes Introduction - LAN may require to cover more distance than the media can handle effectively or - Number of stations may perhaps be too great for efficient frame d
Q. Show Example on Check Sum? Data: 10101001 00111001 Computing Checksum: 10101001 00111001 --------------- Sum 11100010 Receiver Side: 10101
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