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Q. Categories of Encryption - Decryption ?
Categories of Encryption/Decryption
- Symmetric-key - encryption key (Ke) and the decryption key (Kd) are the same and secret
- Character-level
- Bit-level
- Public Key - encryption key is publicly known; decryption key is kept private
- RSA
Address Resolution Protocol resolves the MAC address if the IP address is known. It is a layer 3 protocol.
Enumerate about the Star networks Comments: 1 - If one connection/station fails the other devices aren't affected 2 - If central hub breaks down, the whole network fail
Q. TCP – numbering bytes? Numbering is utilized for flow & error control Segments aren't numbered only bytes Full-duplex connection - numbering is independent in
Mention and explain 16 bit, basic programmable registers in 8086 operated in real mode?
Can you describe the concept of DHCP?
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
Can you describe format of RTP and RTCP packets?
Take the maximum packet lifetime, T. It's stated that T must be big enough to make sure the packet and its ACK have vanished. Why do we have to have the ACK?
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 is use of Carrier sense multiple access Carrier sense multiple access with collision detection (CSMA/CD) is a form of medium access control in which a station listens to
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