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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.
Wireless Access Wireless access connecting end systems ( that are often mobile) into the network. Today there are two broad types of wireless internet access(1) wireless an
Cost Saving Better performance scalability and viability translates into saving for website operators. Because fewer application web servers are required to meet
State the specification of high-end server A mid-range or high-end server with the following specifications would be sufficient for a medium to large organisation: A Pentiu
What are the drawbacks of ARCNet? Here are some drawbacks of ARCNet: 1. Standard ARCNet is very slow (2.5 Mb/s). It is almost seven times slower than Token Ring. 2. ARC
Q. What are the important benefits of computer network? Ans: Important benefits of computer networks are: - Resource sharing - Higher reliability - Higher flexibili
Wait protocol The wait protocol is used for resolving the conflicts, which arise due to number of multiprocessors demanding the same resource. There are two types of wait prot
The connection-oriented service process for networking is same to the manner in which telephones are used. This is shown as follows: A caller dials a number of the receiver. The
What is NIC and WAN? NIC is short for Network Interface Card. This is a peripheral card that is joined to a PC in order to connect to a network. Each NIC has its own MAC addres
Alice sends a message to Bob, encrypted with a symmetric key. Bob decrypts the message and finds it is a purchase order for an expensive workstation. When the time comes to deliver
Question Approximately what is the low frequency cut-off of the band-pass filter shown in the figure?
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