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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.
Computer Networks 1. Write about different network structures in use. 2. Explain the architecture and usage of ISDN. 3. Describe the concept of framing in Data Link Layer
Define Bandwidth and Latency? Network performance is calculated in Bandwidth (throughput) and Latency (Delay). Bandwidth of a network is given by the number of bits that can be
Reliable data transfer over a channel bit error rdt : 20 A more realist model of the underlying channel is one in which bits in packet may be computed. Such bit erro
Communication, Resource sharing and Media (When many host share their resources with every other OR when many devices connect with each other for resource sharing )
What are the disadvantages of bus topology? The disadvantages of bus topology are: a. The bus networks are dissimilar to reconfigure, especially when the acceptable number o
Q. What do you understand by Protocol? Ans: In the context of data networking, a protocol is a formal set of rules and conventions that governs how computers interchange infor
What are the different kinds of VPN?
Can you describe Active and Passive route?
How do we continuously ping an IP Address?
TCP (Transmission Control Protocol) and UDP are used by TCP/IP. SPX (Sequenced Packet Exchange) is used with IPX. NBP (Name Binding Protocol) is used with Appletalk.
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