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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.
Explain the Physical layer The Physical layer of the OSI model sets standards for sending and receiving electrical signals among devices. It explains how digital data (bits) ar
Networks are more frequently being prepared to allow specification of the quality of service needed by users. For example: - a typical voice telephone call may give a QoS para
Connection Oriented Multiplexing And De multiplexing TCP socket identified by 4 tuple: a.Source IP address b.Source port number c.Destination IP address d.Destina
Genome4U is a scientific research project at a large university in the United States. Genome4U has recently started a large-scale project to sequence the genomes of 250,000 volun
What is a OSI layer 2 device called a "barter"?
What is Error Control ? Error control is both error detection and error correction. It allows the receiver to inform the sender of any frames lost or damaged in transmission an
network diagram which must include at least 2router,2bridge and 4 switches and must have different protocols and different cable...?
IPv6 The internet engineering task force begin the effort to develop a successor protocols to IPv4 in the early 1990 is an internet layer protocols for packet switched
What is the Power Of Semantic Web Languages? Ans) The major power of Semantic Web languages is that anyone can create one, simply by publishing some RDF that defines a set of
Question: a) One of the most important duties of a system administrator is to protect the information that is stored on network servers. In the same context, describe both Ma
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