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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.
Question : (a) Explain the ‘RAD' methodology with a suitable diagram. (b) One of the activities to be performed during Rapid Application Development is Rapid Business Analys
MPMM is a Project Management Methodology which gives a complete "framework" for managing projects. This framework gives you with a step-by-step walkthrough of the phases, activitie
Q1. What advantages do you see in having a layered concept of computer networks? Which layers or OSI structure deals with identification of a host? Explain the proces
Q. Explain about Congestion control? Congestion control Open-loop congestion control - prevent congestion before it happens retransmission policy - Ret
- Lost as well as delayed ACKs - Bidirectional transmission both side needs both sending and receiving windows Note: In selective repeat ARQ the size of the sender and rece
Q. What do you understand by OSI? Ans: The Open System Interconnection (OSI) reference model illustrates how information from a software application in one computer goes throug
Computer Networks 1. Differentiate WAN and LAN. 2. Describe the TCP/IP Reference Model with diagram. 3. Explain Circuit switching and message switching. 4. List the fu
Explain about the Database Management Intranet This type of Intranet provides everyone in an organisation with the capability to maintain a "real-time" interactive database.
Can you explain routing loop issue in RIP protocol?
What is Star topology Each station is directly connected to a common central node. Typically, each station attaches to a central node via two point-to-point links, one for tran
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