Answer: Strong 128-bit encryption.
Explanation: An individual character corresponds to 8 bits . So if there are 16 characters then,
16
8=128 bits keys
This makes the 128 bit key encryption the strongest amongst all other options.It is strongest because it is almost impossible to decode the 128-character key by any method e.g.-brute-force method.
Other options are incorrect because the characters given by the other bits are as follows: 
=32 characters
=64 characters
=128 characters
Thus, the strongest character key is of 128 bits. for cipher.
See, one is more or less a toy, designed for writing small pieces of code and traditionally used and abused by inexperienced programmers.
The other is a scripting language for web browsers. Sorry about my limited knowledge.
Solution :
<u>Chrome web browser</u>
The Chrome web browser uses a range of privacy and security settings for its customers. They include several security indicators as well as malware protection. Chrome uses the sandboxing technology, which prevents the harmful viruses and Trojans from reaching the computers.
Chrome provides a safe browsing by giving us an alert whenever we try to browse some harmful web sites. It also warns you if we use a username and password combination which has been compromised in any data leak.
Chrome also serves to protect the individuals :
It provides a features of Ad blocking.
When we want to browse safely without being recognized or without storing any credentials, Chrome provides an Incognito mode.
Many businesses can be done on the internet using Chrome platform that is safe and authenticate to gather and collect data and information.
Answer:
Ransomware
Explanation:
Just as its name implies, you have to pay a 'ransom' to get a locked file that belongs to you
