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Q. Explain the Public-Key Cryptography?
Public-Key Cryptography
- Each user has the same encryption algorithm and key
- Decryption algorithm also key are kept secret
- Anyone can encrypt using the public key, however only the intended receiver can decrypt using a private key
Q. Describe Network security and Internetworking security? Network Security - Layers 5-7 - Securing the localized private domain. Network Administration, File Permissions
Financial Services Today financial services are totally depended on computer network. Application includes credit history searchers foreign exchange and investment service
Question 1 Contract Net Protocol is the best known and most widely used cooperation protocol Explain how contract net works Discuss the benefits and limitations of con
Allows for transmission and receiving of data concurrently
Q. Explain about Traditional Modems? - Subsequent to modulation by the modem an analog signal reaches the telephone company switching station where it sampled and digitized to
What is the difference among flow control and error control? Ans) Flow control: adjust and confirm data flow rate for successful transmission. Error Control: a method to
Switched Ethernet In switched networks a switch device identifies the destination address and routes the frame to the specific port to which the destination station is conn
Carrier Sense Multiple Access/Collision Avoidance a) Necessary since wireless LANs cannot implement CSMA/CD b) Collision detection requires increased bandwidth requirements
Question 1 This question concerns the main security goals (confidentiality, integrity, availability). Describe a situation which provides the goal of confidentiality but does not
network design for company
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