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What is Stop-and-Wait Automatic Repeat Request? Error correction in Stop-and-Wait ARQ is implemented by keeping a copy of the sent frame and retransmitting of the frame when th
Q. What is Aspects of Security? - Security Attack: Any action whichcompromises the security of information owned by an organization. - Security Mechanism: A mechanism th
ARP - Address Resolution Protocol It is the protocol that traces IP addresses to MAC addresses. RARP - Reverse Address Resolution Protocol It is the protocol within the TC
Illustrate the downside of groupware The downside of groupware is that they are very costly and with the increase in complexity or additional features, the cost increases propo
Q. Explain the types of Security Threats? (a) Normal Flow (b) Interruption: An asset of a system develops into unavailable or unusable. (c) Interception: A few unaut
When programming a server or a client, we have to deal with port numbers and IP addresses, but we usually do this through an abstraction called a socket. Sockets are the standard A
Firewall The NAT router allows receiving of number of a data streams. If it receives a transmission in the form of acknowledgement or data streams or error responses from an ex
The entire idea of ISDN is to digitize the telephone network to allow the transmission of video, audio and text over existing telephone lines. The reason of the ISDN is to provide
Can you describe Session layer in OSI model
The science and art of manipulating messages in order to create them secure is known as cryptography..... Two types are:- Symmetric key cryptography and Asymmetric key crypto
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