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Disadvantages
You typically would not use a packet filter as your only security solution for your network packets filters have two major disadvantages.
a.Low security : Packet filters do not look at eh data portion of the packets so attacks can flow right through them.
b.No advanced protocol support : Since these filters do not keep track of connection there is no way to support dynamic protocols .
Bridges The bridge function is to attach separate homogeneous networks. Bridges map the Ethernet address of the nodes residing on each network segment and allow only essential
The Five steps to data encapsulation (IN ORDER): 1) User information is changed into data. 2) Data is changed into segments. 3) Segments are changed into datagram and pack
Clipper is a compiler that was well recognized at the time of80's and early times of 90's. We can build DOS based applications (even large applications too) using clipper. There is
Explain about the Middleware support All the connectivity interface related tools come under the category of middleware. Middleware provides the link for data exchange between
Question: a) Briefly describe how the file system is organized in Unix. b) What is the importance of the "touch" command. Give one of its disadvantage. c) Name three d
using binary adition, what is the result of 1010 + 10? Using binary addition, how would you repeatedly increment a number by 2?
Undesirable Sharing With the good comes the bad while networking allow the easy sharing of useful information it also the sharing of undesirable data. One sign
Sending a message to a group multicast address is known as multicasting, and its routing algorithm is known as multicast routing.
What is data encapsulation? Data encapsulation is the method of breaking down information into smaller manageable chunks before it is transferred across the network. It is also
In slotted Aloha system, it has been measured that 70% of slots are occupied by frames (i.e. the remaining slots are empty). a) How many frames need to be transmitted, on aver
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