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Selective Repeat ARQ
- Processing at the receiver additionally complex
- The window size is reduced to 2(m-1) (2m/2 at most)
- Both the transmitter as well as the receiver have the same window size
- Receiver expects frames in the range of the sequence numbers
Explain the importance of authentication. Authentication is the method of verifying a user's credentials before he can log into the network. It is normally performed using a us
Virtual channel is normally a link from one source to one destination, although multicast connections are also allowed. The other name for virtual channel is virtual circuit.
what are queues?
UDP sends packets 'blind' down the network, and relies on upper-layer protocols to form connections and identify errors. TCP is a connection-oriented protocol that can give reliabl
QUESTION (a) Define what you understand by the following terms in Network Flows: i) UnDirected Path ii) Directed Path iii) Directed Cycle. iv) Tree In each of th
Ans) the two commands are:- show ver show flash
Give the types of firewalls Conceptually, there are two types of firewalls: 1. Network Level 2. Application Level Network Level Firewall/Packet Filters The Net
In Novell's use of RIP, there are two metrics used to make routing decisions. What are they? Ans) A. Ticks. B. Hops
What are the different technologies involved in establishing WAN links? Analog connections - using conventional telephone lines; Digital connections - using digital-grade telep
Define Routing? The process of determining systematically hoe to forward messages toward the destination nodes based on its address is known as routing.
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