Lie detectors are widely used in the United States to find out whether a person is telling the truth or not. 61) Polygraphers, the people who operate them, claim that they can establish guilt b v detecting physiological changes that accompany emotional stress. The technique adopted is to ask leading questions such as: "Did you take the money" or "Where did you hide the money", mixed in with neutral questions, and measure the subject’s electrical resistance in the palm or changes in his breathing and heart rate.
Whether lie detectors will ever be adopted on a similar scale in Britain is still a matter of opinion. 62) At first sight, it appears obvious that any simple, reliable method of convicting guilty people is valuable, but recent research not only raises doubts about how lie detectors should be used but also makes it questionable whether they should be employed at all.
63) The point is that, apart from many of the pol
One of the most widely used routing protocols in IP networks is the Routing Information Protocol (RIP). RIP is the canonical example of a routing protocol built on the ___25___ algorithm. Routing protocols in intemetworks differ slightly from the idealized graph model. In an internetwork, the goal of the routers to forward packets to various ___26___.
Routers running RIP send their advertisement about cost every ___27___ seconds. A router also sends an update message whenever an update from another router causes it to change its routing table.
It is possible to use a range of different metrics or costs for the links in a routing protocol. RIP takes the simplest approach, with all link costs being equal ___28___. Thus it always tries to fend the minimum hop route. Valid distances are 1 through ___29___. This also limits RIP to running on fairly small networks.
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