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Explain the uses of Firewall in computer
For Intranet developers, restricting access of unauthorised users to the Web site has been the greatest challenge. In addition to preventing external users, a watchful eye on the users within the company may also have to be maintained. There are various tools to provide protection against unwanted intruders into the corporate wide networks, but the most popular amidst all security measures is the firewall.
What do you meant by "triple X" in Networks? The function of PAD (Packet Assembler Disassembler) is defined in a document known as X.3. The standard protocol has been explaine
Can you explain in short what VPN is?
ROLE OF DESIGN IN ACHIEVING RELIABILITY One of the most important methods for achieving high reliability is through design. Use reliability cannot be higher than the design re
Uses of fragmentation and reassembly The More bit is used for fragmentation and reassembly. If this bit is 0, then either there has been no fragmentation of this packet or this
QUESTION (a) Explain briefly what is meant Client-server Computing? (b) Distinguish among client process and server process (c) What are the four basic characteristics of
Ask Design private subnetworks (using Class A range for CIDR) for each domain as in the table below, and complete the table. Hints: Consider how many network bits are required to a
This code properly implements the IP checksum function on a 32-bit machine: unsigned short cksum(unsigned short *buf, int count) { unsigned long sum = 0; while (count--) { sum += *
A communication protocol is an agreement which specifies a common language two computers use to exchange messages. For instance, a protocol denotes the exact format and meaning of
What are firewalls? Firewalls serve to protect an internal network from external attacks. These external threats can be hackers who need to steal data or computer viruses that
Q. Basic working of Spanning Tree? Spanning Tree - Redundant bridges may be installed to provide reliability - To prevent infinite looping of packets between bridges,
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