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Question:
(a) Data on four variables are stored in a file called file1.dat. The first line of the file is the variable names f, x, y and z. Give the R commands to
(i) read the data into a dataframe called dframe,
(ii) make the variables in dframe visible from the command line,
(iii) output to screen the number of observations of the variable f,
(iv) evaluate the sample correlation between y and z, and
(v) test the hypothesis that the population from which f is drawn has mean10.
Question: (a) Distinguish between Steganograhy and Cryptography. (b) "Playfair cipher is more secure than Monoalphabetic cipher." Justify this statement. (c) Various ap
Q. Explain about Security aware protocols? The security-Aware ad hoc Routing (SAR) protocol based on the security attributes integrated into the ad hoc route discovery provides
Question: a) Name a method to allow a person to send a confidential email to another person, without risks of a third-party reading the email. Describe briefly the operations
Question: (a) A string of ciphertext was enciphered using an a±ne transformation of single letters in a 28-letter alphabet consisting of A to Z, a blank and a?, where A to Z ha
QUESTION a) Compare and contrast between static and dynamic routing. b) What are the merits (five merits) and limitations (3 limitations) of using Open Shortest Path First
Dropbox’s tool shows how chatbots could be future of cybersecurity
Cryptographic algorithms Cryptographic algorithms are broadly classified into two broad categories. They are stated below 1. Symmetric Encryption and 2. Asymmetric Encryptio
INFORMATION CLASSIFICATION The classification of information is an important aspect of policy and a control for the information protection. A clean desk policy stipulates that a
Question : (a) State whether the following statement is FALSE or TRUE: It is always better to have various access points to the Internet so that if a hacker takes one down you
Question: (a) Mention three limitations of a firewall. (b) Compare packet-filtering and proxy-base firewalls. Give advantages and drawbacks of both. (c) "Proxies eff
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