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Q. What is Authentication ?
- Verification of sender's identity.
- Accomplished through a digital signature, which is based on public key encryption/decryption.
- Uses reciprocity of RSA, however secret key is kept by the sender to -sign? the transmission.
Gateway A device linked to multiple physical TCP/IP networks capable of routing or delivering IP packets among them. Router It's a layer 3 device that connects 2 diss
Write the characteristic of Store and Forward switches? A) Store and Forward switch will not forward fragments. B) The longer the frame, the longer the delay (latenc
Describe DHCP concept
What are the data units at different layers of the TCP / IP protocol suite? The data unit formed at the application layer is known as a message, at the transport layer the data
What are proxy servers and how do they protect computer networks? Proxy servers primarily stop external users who identifying the IP addresses of an internal network. Without i
Process communicating End systems communicate with each other by the processes. A process can be thought of a s program that is running within end systems. Process
Internet Mail Access Protocol Another mail access protocols is internet mail access protocols version 4 ( IMAP4). IMAP4 is similar to POP3 but it has more feature
Write an HTML program segment that contains hypertext links from one document to another.
Advantages of mobile wireless network over a wired network is it is very much popular, it is very easy to set up, it requires a simple plug and the speed and reliability is very
A typical layer 2 switch has a number of features. Identify and explain 5 features that you think are important that you would consider in your evaluation of L2 switches offered b
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