I believe that answer A is true
Answer:
802.11ac
Explanation:
It is a wireless networking standard.It functions only on 5 Ghz only. 802.11ac has three times the bandwidth of 802.11n hence it can handle more number of users.It has multi-link throughput of 1 gigabit per second.It provides high throughput.It is very useful for environments with high user density.
Answer:
Sterotyping
Explanation:
A stereotype is an over-generalized perception or view about a particular category of individuals or group. It is a belief that people might have concerning each and every person of a particular group. The type of expectation can differ from people to people; it can be, for instance, a belief or perception about a particular group's personality, preferences, or ability.
Answer:
B - array; hash
Explanation:
Arrays store elements of the same data type in a list. Every element in the array is assigned a unique integer (starting at 0). You are able to access/process an element by using its assigned integer. Hashes are similar in the fact that they also store data. The difference is that each element is assigned an object type (instead of an integer), making it a collection of key pairs, as such you would typically not use this to process elements efficiently.