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What are proxy servers and how do they protect computer networks?
Proxy servers primarily stop external users who identifying the IP addresses of an internal network. Without information of the correct IP address, even the physical location of the network can't be identified. Proxy servers can make a network virtually invisible to external users.
Advantages of mobile wireless network over a wired network is it is very much popular, it is very easy to set up, it requires a simple plug and the speed and reliability is very
Explain the different symmetric algorithms?
How to prevent the data from hackers In order to prevent intruders from entering the house, it is necessary for the house owner to look after the behaviour of internal and exte
Q. TCP – numbering bytes? Numbering is utilized for flow & error control Segments aren't numbered only bytes Full-duplex connection - numbering is independent in
Q. How is computer networks used in teleconferencing? Teleconferencing: Teleconferencing allows conference to happen without the participants being in the same place. Applica
Q. Show the Security Policy as well Integrated Security ? Security policy is on paper statement describing what assets are to be protected and why who is responsible and which
802.11 CSMA/CA a) Wait a DIFS time to avoid collision b) Send RTS and wait for CTS reply to obtain the use of the Medium (air) c) Use of SIFS time for control informatio
c program to implement the ospf
Elaborate the term - Database Connectivity Basic connectivity A number of database management systems are available today such as the Oracle, Sybase, Ingres, etc. Most
Latency : In interconnection networks a variety of nodes may be at dissimilar distances depending upon the topology. The network latency differs to the worst-case time wait for a u
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