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Q. Describe about Cryptography?
- Some media cannot be protected from unauthorized reception (or interception)
- Encryption involves transforming the original information into an unintelligible form
- Decryption is the process of reversing the encryption process in order to transform the message back into its original form
- Plaintext - original message
- Ciphertext - encrypted form
Discuss about the JPEG and LDAP JPEG: Stands for Joint Photographic Experts Group. A standard format of storing digitized, colour, or black-and-white photographs. JPEG fi
Client Server Architecture There is an always on host called server which provides service requests to many other hosts called clients. In other words client progra
What are the five major network services? Major Network Services are: a. File Services b. Message Services c. Print Services d. Application Services e. Datab
Can you describe the concept of Collision domain?
Why it is necessary to have layering in a network? A computer network is a very complex system. It becomes very difficult to execute as a single entity. The layered approach di
What are the drawbacks of Ethernet Cabling? The Ethernet cabling ahs the following drawbacks: 1. Ethernet is not a high-level performer in high-load environments. This proto
Genome4U is a scientific research project at a large university in the United States. Genome4U has recently started a large-scale project to sequence the genomes of 250,000 volun
Explain Point-to-Point connection type. Many point-to-point connections are associated with modems and PSTN (Public Switched Telephone Network) communications.
Q. What is network layer of osi model? - Describe end-to-end delivery of packets. - Defines logical addressing thus that any endpoint can be identified. - Defines how ro
To Distribution System from BSS We require to identify the AP as the first hop to the destination (B) A will receive an ACK from the AP - indicates frame successfully on
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