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:d) Mono-alphabetic substitution rules
Explanation: Poly-alphabetic cipher is the cryptography that is done by using the many alphabets in substitutional way. They are supposed to have a good security because they use cipher text alphabets for the encryption and then decrypts it.
Substitution of the alphabets is done by the rule of the mono-alphabetic substitution rules.Other given options are incorrect because they are not used in the cryptography of the alphabetic cipher. Thus option (d) is the correct answer.
<u>Twitch</u> is an online service that comprises original content in the form of live or recorded streams and it is typically focused on showing various individuals that are playing video games.
Twitch is an online (web) service that was launched in June 2011 and it derived its name from twitch gaming such as video games that are mainly about fast action and the use of reflexes by the game players.
The main purpose of Twitch is to avail game players the opportunity to stream or show live or recorded videos of themselves playing video games.
Read more: brainly.com/question/21694571
Answer:
b) White-hat hacker
Explanation:
This is also called an ethical hacker. Unlike the other options, a white-hat hacker is a person specialized on computational security which offers services to organizations to test how safe they are from informatic attacks (viruses, theft of information, etc). This is carried out based on a agreement between the whihte-hat hacker and the client via a contract.
