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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.
Write the Generic Name of the OSI Layer a) The figures below illustrate, side by side, the OSI 7-layer reference model and the Internet protocol stack. Inside each box represen
Source Port Number This fields occupies the first 16 bytes of the UDP header. This fields typically hold the UDP port number of the application sending this datagram. The
Recalling two FEC schemes for internet phone described. Suppose the first scheme generates a redundant chunk for every four original chunks. Suppose the second scheme uses a low-ra
Question : a) What does association refer to in IEEE 802.11? b) State the fundamental principles of 3GPP security. c) Explain the term "binding" in Mobile IPv6 d)
What are the Protocol Support Tools The Intranet should support the tools meant for providing various services on the Internet through the protocols. In addition to the convent
Explain teh term- Bits and Bitmap Many tiny dots, which are put together to make a picture. Bits are combined to make a graphic image called a bitmap. GIF and JPEG files are
Question : (a) Describe how ‘prototyping' is important to RAD. (b) List main features of ‘prototyping'. (c) List main principles of DSDM. (d) Describe the DSDM life-
Assume a network as depicted below with a home agent (HA), a foreign agent (FA), a mobile host (MH), and a remote host (RH). The dotted box is the home location of MH. Assume MH's
What is anonymous FTP? Anonymous FTP is a way of granting user access to files in public servers. Users that are permitted access to data in these servers do not require identi
Architecture of Cisco IOS software Cisco IOS might not applications like ms word,multimedia softwares. It is mainly for switching data packet and concentrated on switching p
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