Answer:
just don't share your screen in the class or if your a teacher just call them out
Explanation:
Answer:
There could be a collision if a hidden node problem occurs.
Explanation:
CSMA/CA(carrier sense multiple access/ collision avoidance) is a multiple access method in wireless networking, that allows multiple node to transmit. Collision avoidance of this method is based on preventing signal loss or downtime as a result of collision of transmitting multi signals.
If a node at step 4(transmit frame) sends the first frame, the node still needs to send a RTS(request to send) and to receive a Clear to send (CTS) from the WAP, the is to mitigate the issue of hidden node problem as all frame are treated as unit, so other listening nodes, not detected would seek to connect and transmit as well.
C. An ad targets an audience the creators hope will but the product.
Answer:
D. is a temporary file created by an information system for a single task
(the options are given in the question and correctly provided in ask for detail section)
Explanation:
File oriented information system is the system that is used to store data temporarily. A file has been created for each new user that stores information about client for small piece of time in database. The files does not share information with each other as each independent user creates his own files. The data in this file is deleted after specific time interval.
A work file is a file that stores all the above mentioned information for single time. This is a temporary file.
