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Explain Persistence timer?
- ACK are not acknowledged in TCP
- When this goes off send a probe (1 byte of data)
- It is set to the retransmission time & doubled every time a response is not received (until 60 s, then sent every 60 s)
Which protocol will send a message to routers if a network outage or congestion happen Ans) Internet Control Message Protocol - ICMP will send a message to routers if a network
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
Sole Access Protocol The atomic operations, which have conflicts, are handled using sole access protocol. The process used for synchronization in this protocol is given below:
Explain the term - primary memory and hard disk A peculiar situation arises when the existing server arrives at a stage when it cannot handle the requests quickly and most of i
What are advantages of having e-commerce over extranets
Q. What are the trends in Network Security ? Trends in Network Security Improved vigilance for virus infections Continual maturation of firewall technologies
(i) Suppose that frames are 1250 bytes long including 25 bytes of overhead. Also assume that ACK frames are 25 bytes long. a) Calculate the efficiency of stop-and-wait ARQ in
Question 1: The following is a dump of a TCP header in hexadecimal format: 00CD0018 00000EF1 00000D5D 502200D1 01BF0010 Please answer the following two parts of questions
Recognize the command that configures serial0 for PPP encapsulation Ans) Router(config-if)# encapsulation ppp
Can you explain the different layers in OSI model?
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