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Question
(a) Estimate the average throughput between two hosts given that the RTT for a 100 bytes ICMP request-reply is 1 millisecond and that for a 1500 bytes is 2 milliseconds.
(b) provide the capture below from a popular network protocol analyzer:
i. Give the content that has been erased in packet #6?ii. Why is the status code 404 Not Found returned in packet #14?iii. What is the IP address of the host requesting the webpage?iv. What could the gaia, cs and umass represent in the DNS query in packet #5
(c) Describe two limitations of the Client-Server architecture and explain how the P2P model addresses these limitations.
Q. Develop a completely secure WSN based on the triple key? Wireless network is the most vulnerable type of network to security attack. Unauthorized access to wireless network
DATAGRAM REASSEMBLY Recreation of original datagram is known as reassembly. Ultimate receiver acts reassembly as given below.Fragments can reach out of order. Header bit check
VIRTUAL PACKETS These data packets serve same reason in Internet as frames on LAN. Every packet has a header. Routers, which are normally gateways, transfer packets between ph
What are the main differences between TCP/IP vs OSI?
Packet Filtering Firewall Packet filtering is a network security mechanism that works by controlling what data can flow in and out of the network. The basic device that interco
Question: (a) What do you meant by the term diffusion and confusion? Explain how diffusion and confusion can be implemented. (b) Distinguish between authorisation and auth
Transposition technique
Detect each visit to www.google.com that is made by the machine. o Send an alert when an activity relating to network chat is detected. o Send an alert when an attempt is made for
FRAGMENTATION AND PATH MTU IPv6 source is responsible for fragmentation. Routers simply drop datagrams bigger than network MTU. So source have to fragment datagram to arrive d
TRANSMISSION ERRORS: Transmission exceptions may happen due to different causes for example power surges or interference may delete data during transmission. In result of wh
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