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Problem:
(a) Assume that a new application layer protocol is developed for video conferencing application. Which transport layer protocol, between TCP and UDP, will you use and why?
(b) Some characteristics of TCP are listed below. Explain briefly how does TCP perform the following functions?
(i) Flow Control. (ii) Connection-oriented. (iii) Error/loss recovery
(c) Using TCP state diagrams, show the following:
(i) TCP Connection Setup (ii) Lost Data (iii) Premature Timeout (iv) Termination of a connectiona
(d) FTP is said to have an out-of-band connection. Explain what it means?
Security Clearances For a security clearance in organizations each data user should be assigned a single level of authorization indicating classification level. Before approachi
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how to access tomcat by internet
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RSA Block and Vernam Stream Ciphers This assignment involves writing two small Python scripts and a report. Before you start you must download the ?le summarysheets.zip from th
Categories of Controls Controlling risk through mitigation, avoidance or transference is accomplished by implementing controls. There are 4 effective approaches to select the co
In Star topology all computers are connected using a central device known as hub. Star networks are one of the most general computer network topologies. In its simplest way, a
VULNERABILITY SCANNERS Active vulnerability scanners scan networks for detailed information, it initiate traffic to determine security holes. This scanner identifies usernames a
What key which if used to encrypt the ciphertext again would give back the plaintext (i.e. key is a weak key)? Define a formula for identifying weak keys for the cipher below (
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