I believe the answer is D. in the military
hope this helps!
Answer:
The customer's browser has been hijacked by some attackers may be.
Explanation:
According to customer's explanation there is possibility that that his data may be stolen and he has to disconnect computer from network and then call given number in order to get back his data.
Answer:
802.11ac
Explanation:
the newest wireless standard that provides data rates up to 1.3Gbps is the 802.11ac, its speed is three times faster than 802.11n and uses the 5GHz frequency range though there are some that uses 2.4GHz for dual support.
this Wireless standard has better features such as high speed file transfers and HD video streaming.