QUESTION: 41

An Internet standard protocol (built on top of TCP/IP) that assures accurate synchronization to the millisecond of computer clock times in a network of computers. Which of the following statement is true for NTP Stratum Levels?

Stratum-0 servers are used on the network; they are not directly connected to computers which then operate as stratum-1 servers
Stratum-1 time server is linked over a network path to a reliable source of UTC time such as GPS, WWV, or CDMA transmissions
A stratum-2 server is directly linked (not over a network path) to a reliable source of UTC time such as GPS, WWV, or CDMA transmissions
A stratum-3 server gets its time over a network link, via NTP, from a stratum-2 server, and so on

Answer(s): D

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QUESTION: 42

An expert witness is a witness, who by virtue of education, profession, or experience, is believed to have special knowledge of his/her subject beyond that of the average person, sufficient that others legally depend upon his/her opinion.