Describe the optimal location for APs using omnidirectional antennas in a WLAN.
What will be an ideal response?
Because WLAN systems use omnidirectional antennas to provide the broadest area of coverage, APs should be located near the middle of the coverage area. Generally, the AP can be secured to the ceiling or high on a wall. It is recommended that APs should be mounted as
high as possible for two reasons: to avoid obstructions for the RF signal and to deter thieves from stealing the device.
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Consider the use of TCP in a Telnet remote terminal client. How should the keyboard input be buffered at the client? Investigate Nagle’s and Clark’s algorithms [Nagle 1984, Clark 1982] for flow control and compare them with the simple algorithm when TCP is used by
(a) a web server, (b) a Telnet application, (c) a remote graphical application with continuous mouse input.
Which of the following is not a component of an Activity diagram?
A. inital node B. lifeline C. decision point D. action
To retrieve the item at a given index in an ArrayList, the ____ message can be used.
A. set() B. get() C. indexOf() D. add()
Apache OpenOffice can open and change documents that may have been created in other programs, like Microsoft Word
Indicate whether the statement is true or false