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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.
Question: a) Differentiate between ‘Gross Settlement' and ‘Multilateral Net Settlement' providing suitable examples where necessary to support your answer. b) Differentia
FRAGMENTATION Fragmentation information is kept in different extension header. Every fragment has base header and fragmentation header. Whole datagram including original hea
Question : (a) "Pulse Code Modulation (PCM), as used in telephony, samples a signal at 8 kHz using 256 quantization levels". Outline how this scheme works with the help of ske
Symmetric Encryption This encryption method makes use of same “secret key” to encipher and decipher the message and it is termed as private key encryption. This type of encrypti
what is hacking
QUESTION 1 Using a real life scenario or context list and set the scene for at least four advantages that an organized incident response program promotes. QUESTION 2 Yo
Network Virtual Terminal It is a set of principles describing a very simple virtual terminal interaction. The NVT is needed in the start of a Telnet session. Communication wit
(a) Which PKI (Public Key Infrastructure) model is typically favored by business organization? (b) Give one possible use of the "extensions" field of an X.509 certificate
ARP RESPONSES Let's search out how does a computer know whether an incoming frame have an ARP message. The type field in the frame header defines that the frame contain an ARP
- Alice, Bob and Charlie have a secret key a=3, b=4, c=5, in that order. - They would like to find a common secret key using Diffie-Hellan key exchange protocol (with g=2, p=5).
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