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Enumerate about the Virtual Private Network (VPN)
Even though, many firewalls also include the features of the virtual private network, the functionality and capabilities of VPN are different from those of the firewall. It is important to understand that installing a firewall is only one part of a security strategy. In addition to it, other aspects such as user authentication through username/password combination, VPNs, a public-key cryptographic code and resource management should also be added tothe policy of the company's Intranet security.
Ping and Traceroute are used by ICMP for Testing. Destination Unreachable messages are obtained by a router when it does not have a route to the network.
As the Internet started, the original Classful addressing procedure became a limitation. The IP address space was being terminated because all networks had to select one of three p
Multicast An identifier for a set of interfaces (typically belonging to dissimilar nodes). A packet sent to a multicast address is delivered to all interfaces identified by tha
What does the following sequence of commands accomplish? router igrp 71 network 10.0.0.0 router igrp 109 network 172.68.7.0 Ans) It isolates network 10.0.0.0 and 172.68.7.0 and
Q. Show V.32 standard? - ITU-T's V.32 standard was issued in 1991 for asynchronous and full-duplex operation at 14.4 Kbps. V.32bis - Is an extension of the V.32 technology?
Sonet Devices STS Mux or DMux either multiplexes signals from multiple sources into an STS or demultiplexes an STS into different destination signals. Regenerator is a repea
Q Illustrate Return to Zero encoding? - In NRZ-I long strings of 0s may still be a problem - May comprise synchronization as part of the signal for both 1s and 0s - How?
What is MAN? MAN - Metropolitan Area Networks. MAN is bigger than a LAN and as its name implies, covers the area of a single city. MANs rarely extend beyond 100 KM and frequ
802.11 DSSS a) Direct sequence spread spectrum in a 2.4 GHz band b) Each bit is replaced by a sequence of bits called a chip code, implemented at the physical layer c) Se
Normal 0 false false false EN-IN X-NONE X-NONE Application Layer The application layer
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