What are the three blocks of frequencies used by wireless LANs and PANs?
What will be an ideal response?
The following range of frequencies are allocated for the usage of LANs and ISM applications
without paying license fee:
? Range of 902 - 928 MHz
? Range of 2.4 - 2.482 GHz
? Range of 5.725 – 5.850 GHz
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What term best describes an operating system were all program modules share the same address space?
A. protected-mode B. virtual C. extended-mode D. real-mode
WAN encapsulation of frames at the Data Link layer involves one or more services. Briefly discuss four of these services.
What will be an ideal response?
Which of the following statements is true in regard to the following example?if "Welcome the USA!." =~ /USA|America/ then puts "We have a match!"end
A. A pattern search has been set up to search the source string for either the words USA or America. A match occurs if either string is found. B. A pattern search has been set up to search the source string for both the words USA and America. A match occurs only if both strings are found. C. A case-insensitive search has been set up that searches the source string for either the words USA or America. A match occurs is either string is found. D. None of the above.
Which of the following regularly provides new features or corrections to a program?
A. speed read B. cold fix C. automatic update D. recurring restandardization