Explain how to check the USB power usage in Windows.
What will be an ideal response?
To check the USB power usage in Windows, open Device Manager and locate any USB hub under the Universal Serial Bus Controller icon. Right-click the hub and select Properties, and then select the Power tab. This shows you the current use for each of the devices connected to that root hub.
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Which of the following best describes the array name n in the declaration int n[10];?
a. n is a nonconstant pointer to nonconstant data. b. n is a nonconstant pointer to constant data. c. n is a constant pointer to nonconstant data. d. n is a constant pointer to constant data.
What do the calls to exit(…) do? When exit(0) and exit(1) are called, what receives these arguments and what is done with them?
a) The exit( ) function stops the program. The argument is discarded. b) The exit( ) function is obsolete. There is no longer any such function in the C++ libraries. c) The exit( ) function stops the program. The argument is passed to the operating system which uses it for an error code. d) The exit( ) function temporarily stops the program, and sends the argument to the operating system which uses it for an error code. The operating system restarts the program after fixing the error. e) The exit( ) function allows the systems programmer to escape when the power supply catches fire.
List two types of events that can be captured in an audit trail.
What will be an ideal response?
Match each term with the correct statement below.
A. used to test the voltage on a network cable. B. device that works in promiscuous mode to capture detailed information about the traffic moving across a network, including protocol and OSI layer information. C. can be used to verify that a DNS is server is online and working. D. can be used to monitor server components such as hard disks, memory, and the processor. E. can detect many forms of network traffic and capture packets and frames for analysis F. provides network management services through agents and management systems. G. backs up all files, files that have changed by date, or files that have changed after the previous backup. H. used by Performance Monitor when there are two or more types of elements to monitor such as two or more NICs or disk drives I. a specific situation or event detected by SNMP that a network administrator may want to be warned about