D it is because its .a5.g1
Answer:
1) the wireless standards that can be implemented are; IEEE 802.11a, IEEE 802.11b, IEEE 802.11g and IEEE 802.11n. The pros and cons are in the attachment
2) 802.11g can be implemented in alice's restaurant. This is because it provides the fastest speed and has a wide range which will not be easily disturbed by other devices
3) Please check the attachment
4) Please check the attachment.
Explanation:
The sheave wheel is a pulley wheel that sits above the mine shaft. The hoist cable passes over the sheave wheel and then down the shaft of the mine.
(copied from google)