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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.
Transparency really means adumbrating the network and its servers from the users and even the application programmers.
Q. Show the Routing Table? Routing Table Every router remains a routing table that has one entry for every destination network of which the router is aware Proces
persistent
Describe Ethernet. Ethernet is one of the well-liked networking technologies used these days. It was developed during the early 1970s and is based on specifications as stated i
Q. Multimode for transmitting optical signals? - Multiple beams from light source travel through core at different paths - Multimode step-index fiber Density remains
Reliable Data Transfer Figure illustrate the framework for reliable transfer. The service abstraction provided to the upper layer entities is that of a reliable channel
Q. Security and Reciprocity of RSA? Security and Reciprocity of RSA - Kp and N are issued publicly. - Ks is kept secret. - Since the snooper does not know p and
What do mean by tunnel mode? This is a mode of data exchange wherein two communicating computers do not use IPSec themselves. Instead, the gateway that is linking their LANs to
Name the Twisted pairs cables Twisted pairs cables (Shielded and Unshielded), Coaxial cable and Fiber optic cable. ?Testing of the points ?Testing of the entire network t
FDDI has four specifications: 1. Media Access Control it defines how the medium is accessed 2. Physical Layer Protocol it defines data encoding/decoding procedures 3. Phy
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