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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.
Develop a TCP-based client-server socket program for transferring a large message. The message transmitted from the client to server is read from a large file (size is about 30000
What is Authentication/confirmation? How it is different from the Authorization/approval? Explain in brief different authentication protocols along with their merits and demerit
Problem 1: What is the function of AUC in the GSM architecture? Explanation of HLR(AUC) Architecture of GSM Problem 2: Show the layered architecture of t
What is the use of it
Question requires you to develop firewall rules based on a fictitious organisation. Scenario: You work for a security-conscious company, xC-Cure, who develop encryption te
(a) What are the different architectures for wireless networks? (b) Explain how WEP authentication and encryption works, describe the vulnerability. (c) In what ways are secu
What are the main differences between TCP/IP vs OSI?
Mapping between a hardware address and a protocol address is known Address Resolution. A router or host uses address resolution when it requires to transmit a packet to another dev
TCP-RELIABLE TRANSPORT SERVICE INTRODUCTION: TCP is the major transport protocol architecture in the TCP/IP suite. It uses unreliable datagram function offered by IP whe
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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