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What is Proxy Sever and Firewall
Proxy Sever
Also known as a proxy or application level gateway. It is an application that breaks the connection among sender and receiver. Thus, it helps us to stop hacker from getting Internet address and detail of a private network.
Firewall
Firewall is a method for keeping a network secure. It is mainly used in giving user's access to the Internet in a secure fashion as well as to separate a company's public web server from its internal network.
INFANT MORTALITY PERIOD Initially there are a large number of failures, called initial failures or infant mortality. These failures are primarily due to manufacturing defects,
Explain about the Switches LAN switches are an expansion of the method in LAN bridging, which controls data flow, handles transmission errors, gives physical addressing, and ma
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
Many instance of IGRP run on one physical router
As a system administrator, you require to debug igrp but are worried that the "debug IP igrp transaction" command will flood the console. What is the command that you should use?
Q. What is Boundary Level Masking? If mask numbers are either 255 or 0: Bytes in the IP address that correspond to 255 in the mask will be repeated in the subnet ma
What is Ring topology The network consists of a set of repeaters joined by point-to-point links in a closed loop. Each station attaches to the network at a repeater and can tra
Single company or organization owns this. They are usually LAN technologies. There can be multiple LANs in a campus or building linked together. They are sometimes known Intranet.
Can you give an overview of the components in IPSec?
The following information was obtained from a host: IP address...............205.133.127.8/24 Default Gateway...... 205.133.127.1 DNS Server.............139.100.110.10
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