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The Data link layer performs the following: Responsible for physically passing data from single node to another. Translates messages from the upper layers into data frames and adds customized headers having the Hardware destination and source address.
What are the Internal Threats Internal security problems are probably the most common. One never knows what someone is going to do. Even the most loyal employees or workers can
What is a protocol? The term protocol refers to a set of rules and process that govern the transmission of messages over a physical networking medium. The most common network p
Consider figure. Assume a new flow E is added that takes a path from R1 to R2 to R6. How does the max-min bandwidth allocation change for the 5 flows?
Q. Illustrate the Drawbacks of stop and wait? Drawbacks of stop and wait - Only one frame is able to be in transit at a time - After every frame sent the host must wai
details of delta routing??
Command Structure: Commands are all-upper-case strings, either 4 or 6 characters in length. Table 1 shows the commands, and (for method commands) the parameters, return values, ex
What is the difference between trigger and rule? Ans) The triggers are known as implicitly by database generated events, whereas stored procedures are known as explicitly by cli
Determine the Objectives of computer security Though computerisation helps a lot in proper organisation of experience, it also opens a Pandora's Box simultaneously. On one
What is Proxy ARP? Is using a router to give answer ARP requests. This will be completed when the originating host believes that a destination is local, when in fact is lies be
State the example of intranet security Imagine a situation when a company develops a major new product secretly using its Intranet. Hackers break the security and take away all
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