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Q. Describe Network security and Internetworking security?
Network Security - Layers 5-7
- Securing the localized private domain.
Network Administration, File Permissions, Password Protections, User Authorization
Database security
Internetwork Security, Layers 1-3
- Securing information from -untrusted? users on the public Internet or Virtual Private Networks.
Encryption, Packet Filters, Firewalls
define reliable transmission of data
Pipelined Processor A pipeline processor can be described as a processor which comprises of a series of processing circuits known as segments and a stream of operands (data) is
Router#
Computer Networks 1. Write about different network structures in use. 2. Explain the architecture and usage of ISDN. 3. Describe the concept of framing in Data Link Layer
Q. Example of go back - N protocol? The window size is 4. A sender has sent frame 6 as well as the timer expires for frame 3 (frame 3 not ACKn'd). The sender goes back as we
Define Character Stuffing? In byte stuffing (or character stuffing), a particular byte is added to the data section of the frame when there is a character with the same pattern
Q. Show Upper Layers of tcp-ip model? The Session Layer - The Session layer allows two parties to hold ongoing communications called a session across a network. - Not
Merits of Shared Memory Programming Global address space gives a user-friendly programming perspective to memory. Data sharing among processes is both fast and uniform
Q. Show the Error Correction by Hamming Code? Hamming Code is able to be applied to data units of any length and uses the relationship between data and redundancy bits For i
Q. Show Infrared Applications? - Wide bandwidth accessible for data transmission - Communication between mice, PCs, keyboards, and printers Media selection - Every
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