Which of the following is an example of a multilayer authentication?
A. A fingerprint scan and a smart card
B. A retina scan and a password
C. A retina scan and a fingerprint scan
D. A password and a smart card
Answer: C
Explanation: A multilayer authentication involves using two or more of the same type of factors.
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An authentication process consists of two steps: identification step and __________ step.
Fill in the blank(s) with the appropriate word(s).
What type of operating systems are generally found on switches, routers, and firewall?
A. server B. client C. network D. infrastructure
COGNITIVE ASSESSMENT Which of the following statements is not true about device drivers?
A. Devices on a computer can share drivers. B. A driver is a small program that tells the operating system how to communicate with a specific device. C. When you start a computer, the operating system loads a device's driver. D. Plug and play means the operating system loads the necessary drivers when you install a new device.
The _____ method is similar to theapply()method except that the argument values are placed in a comma-separated list of values instead of an array.
A. shuffle() B. sort() C. call() D. create()