Comm View is an example of which of the following?
A) Key logger
B) Packet sniffer
C) Virus
D) Tool for industrial espionage
B) Packet sniffer
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A dominant theme of the ________ is the embedding of short-range mobile transceivers into a wide array of gadgets and everyday items, enabling new forms of communication between people and things, and between things themselves.
A) IEEE 802 B) Internet of Things C) Sensor/actuator technology D) Network convergence
Answer the following statements true (T) or false (F)
1. A programmer indicates a job’s class by coding a CLASS parameter on an OS/JCL JOB statement. 2. A keyword parameter derives its meaning from its relative position. 3. Keyword parameters must be coded in a prescribed order. 4. On some batch systems, a job’s priority is determined, in part, by the amount of space it requires. 5. The OS/JCL MSGLEVEL (message level) parameter allows the programmer to select which JCL and device allocation messages are to be printed.
To change to a directory that is up one level from the current working directory in the UNIX hierarchical directory tree structure, you can type ____.
A. / B. .. C. . D. ^
The ____ operator allows you to search for a range of values in one field.
A. BETWEEN B. RANGE C. IN D. SEARCH