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question 1a differentiate between the several types of switching networks together with illustrationb with the help of a diagram explain the two
questiona distinguish between udp and tcpb you have been asked to design and implement a chat application for a university which protocol could you
question 1a describe what is meant by client-server computingb distinguish between a server process and a client processc what are the basic
questiona the following refers to optimization under windows xpi give five steps which could undertake to enhance overall system performance in a
questiona the following questions refers to windows xp networkingi briefly explain how a host joins a network using dhcp ii which ip address could be
questiona the following questions pertain to user and group accounts in windows xpi give four differences between a power user and a guest user
questiona the following questions refer to a generic windows file systemi describe what happens when you high-level format a floppy disk ii what is
questiona the ieee 802 series of standards describe both the physical and data link layers of their respective technologies two important standards
questiona describe briefly the difference between flow control and congestion control in relation to a connection-oriented protocol such as tcpb
questiona outline the main interactions that take place when a user requests a valid web resource in the address bar of a modern web client till the
questiona what is network address translation nat why is it usedb given a following information by your isp about your newly acquired frame relay
questiona there are two basic approaches to dealing with errors in the presence of pipelining one way is go-back-n and the other strategy is
a calculate the crc for the frame belowframe 1101011011generator 10011message after appending 4 zero bits 11010110110000b osi refers to a system in
questiona explain what the following intermediate systems are and how they worki repeater ii bridgeb a service is formally specified by a set of
questionhuman telephone conversations are characterized by irregular pauses alternating with irregular bursts of speechin contrast communication via
questiona state briefly three reasons why computer networks are usedb differentiate between simplex half-duplex and full-duplex mode of transmissionc
questiona what special measures must be taken to ensure the reliability availability and security of electronic commerce and digital business
questiona explain the following terms information communication technology operating system and application softwareb define what a computer is give
problema what is the minimum length of a password that could be considered to be strong in the context of todays computing powerb the security of a
questiona what do you understand by the term integrityb which type of attack denies authorized users access to network resourcesc you have
questiona how can you prevent someone from accessing your computer when you leave your office for some timeb what is the difference between a
questiona what is the main security vulnerability of ipv4b which protocol can be used for secure remote loginc distinguish between the transport
questiona mention three limitations of a firewallb compare packet-filtering and proxy-base firewalls give advantages and drawbacks of bothc
questiona state whether the following statements are true or false justify your answeri a good site security policy will require that users use
questiona which of the following is not a goal of securityi detection ii prevention iii recovery iv prosecutionb you are an honest student one day