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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.
Q. Show the Function of Signals? - TD transmitted data - RD received data - DSR data set ready Indicate whether DCE is powered on - DTR signifies data termi
Pretty much any end-user program is an best example of the Application Layer.
Explain what are the External Threats External security threats are the most problematic ones. Till date the greatest threat was the virus menace. Now, with the sophisticated
Session layer examples are Netbios Names, SQL, NFS, X Windows, and RPC
Managing and Securing the Web Utility of the Router Step 1: Configure web access. Navigate to the Administration section. Change the router password to cisco. For Web Uti
Can you describe the concept of TTL?
Briefly write functionalities of different OSI layers? The OSI Reference Model includes seven layers. Basic functionality of each of them is as follows: 1. Physical Layer:
Q. Explain about Horn Antenna? - Outgoing transmissions broadcast by a stem and deflected outward - Received transmissions collect by a scooped part of the horn and deflecte
Q. Illustrate Go Back - N protocol? Go Back - N - Sender window size - Receiver window size = 1 - Why the names go back- N? - When the frame is spoilt the sende
Session layer examples are Netbios Names, SQL, NFS, X Windows, and RPC.
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