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Q. Show the Go-back-N - Control Variables?
- S- holds the series number of the recently sent frame
- SF - holds sequence number of the first frame in the window
- SL - holds the sequence number of the last frame
- R - sequence number of the frame expected to be received
Q. Illustrate Stop-and-Wait Automatic Repeat request? - Simplest flow as well as error control mechanism - The sending device keeps a duplicate copy of the last frame transm
REPEATERS: Repeaters are needed when copper wire communication is takes place. According to the fact that electrical signal goes weaker while travelling over copper lines. A
Physical layers defines with synchronizing the 1s and 0s on the wire.
You are designing a network for a retail customer; they plan to have 5 locations initially with the main store acting as the warehousing depot. Within the next year they are plann
Define the uses of Intranet Intranet can largely eliminate paper-based documents, which otherwise become outdated over passage of time. Increased communication will also lead t
Question: (a) Explain how a Token Ring networks allows sharing of bandwidth (access control). (b) (i) CSMA/CD is not appropriate for wireless communication. Explain wh
benz network
Enumerate the concept of IP address The router must have an IP address of the same network (194.62.15.x in this case) for the convenience of the entire network to use the servi
Question: a) One of the most important duties of a system administrator is to protect the information that is stored on network servers. In the same context, describe both Ma
Distributed systems are composed of a number of physically separate machines connected by one or more communication links. Unlike parallel systems, there's no shared clock or memor
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