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Q. What do you mean by Substitutional Ciphers?
Substitutional Ciphers
Monoalphabetic Substitution
Polyalphabetic Substitution
- Transpositional - characters retain their plaintext form but change their positions to create ciphertext.
- Text is organized into a two-dimensional table and columns are interchanged according to a key.
- Character frequencies are still preserved, however.
Determine about the proxy servers There are proxy servers that act as good firewall protection for the entire Intranet system. In some cases, firewall comes as a separate serv
Hi, i am a college student doing a report on wireless broadband. I needed to know user requirements of user groups ie: Home user Small Medium Large Businesses Things like w
Q. Show the Need for Network Layer? Need for Network Layer - To solve the problem of delivery of data through several links. - Accountable for Host to Host delivery
Q. Explain the diffrent types of Security Attacks? Types of Security Attacks Passive Threats: - Traffic Analysis and - Release of Message Contents Active
Issues with Bridges Connecting Different LANs - Frame format - differences in frame structure, fields used (example Ethernet to Token Ring) - Payload size - size of data en
Connectionless Multiplexing and De multiplexing Java program running in a host can create a UDP socket with the line Datagram's socket my socket = new datagram's socket
TCP is connection-oriented. Connection-oriented is a kind of connection established between the source & destination machines before any data is sent that means a connection is est
What is mesh network? A network in which there are many network links among computers to provide multiple paths for data to travel.
Concept Of Permutation Network In permutation interconnection networks the information transfer necessitates data transfer from input set of nodes to output set of nodes and po
The application layer This layer enables users to access the network by providing a few services to the user some of the protocols and services available to the user ar
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