Answer:
(A)AES
Explanation:
WPA2 (Wi-Fi Protected Access 2) is a security protocol which was developed by the Wi-Fi Alliance in 2004. It was used to replace the security protocol of WEP(Wired Equivalent Privacy) and WPA.
Unlike the previous security protocol, WPA2 uses the Dvanve Encryption Standard (AES) instead of the RC4 stream cipher. WPA3 has been developed but it is not yet widely in use.
Answer:
authentication
Explanation:
At the authentication process, there is a way of identifying a user, this is typically done by having the user enter a valid user name and valid password before access is granted. Here at authentication the process is based on each user having a unique set of criteria for gaining access.
The AAA server have to ascertain by comparing a user's authentication credentials with other user credentials stored in a database. In the event the credentials match, the user is granted access to the network. But on the other hand, If the credentials varies, and authentication fails then network access will be denied.
Answer:
There is an error in "String s=s1-s2 ";
Explanation:
In java programming, we can subtract subtract two strings variable with "-" operator.Java programming does not support an overload of the '-' operator.In java, we can use only "+" operator to append two strings variable.There is no such method to subtract strings in java.Therefore in the given code String s=s1-s2 will give an "bad operand type" error because we can not subtract one string variable from the second string variable.
Answer:
computer works on electricity
Explanation:
