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Determine the Objectives of computer security
Though computerisation helps a lot in proper organisation of experience, it also opens a Pandora's Box simultaneously.
On one side lie the benefits of proper organisation and quick access to the experience and on the other side there are hidden problems of dishonesty, distrust and a number of unforeseen and unwanted conditions.
PING - Packet Internet Gopher A utility that shows connections to one or more remote hosts. The ping command uses the ICMP echo request and echo reply packets to verify whether
This new model of Client/Server having of thin, portable, "universal" clients those talks to super fat servers. In the easiest form, a web server returns documents when clients ask
What are the Unix-based firewalls The Unix-based firewalls are considered most secured as compared to the Windows NT based ones. The firewalls bind the holes of the operating
Question : a) In your view, what are the top three strengths and weaknesses of wireless systems? Rank them in order of priority. What can be done to address the weaknesses?
FCS= Frame Check Sequence CRC (Cyclic Redundancy Check) algorithm runs in switch that known as FCS (Frame Check Sequence)
Q. What is Manchester? - Utilizes an inversion at the middle of each bit interval for both synchronization and bit representation - Negative-to-positive represents binary 1
CONNECTION MULTIPLEXING: In various circumstances transceiver can be in convenient e.g. workstations in a LAN. Connection multiplexer acts multiple computers to a single tran
Network Devices a.Hub b.Repeater c.Bridge d.Gateway e.Switch f.Router Connecting devices can classified into networking and internetworking devices when
Can you explain disimilar areas in OSPF
Question: a) Explain briefly three typical network topologies giving one advantage and one disadvantage of each topology. Explain the three topologies with appropriate diagrams
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