Answer:
A health service, a sales service, a social network, all because they require you to make a request to return a result
Answer:
A sparkline is a tiny chart in a worksheet cell that provides a visual representation of data.
Answer: Session Hijacking
Explanation:Session hijacking is the attacking activity that threats the valid session of the computer. This attack also invokes the system with unauthorized access for hacking the information and other processes.
Other options are incorrect because crpto-malware is the ransomware that demands ransom for data encrypted by the hackers, rootkit permits the authorized access in system without getting noticed and logic bomb is a malicious code to harm the program computing. Thus, the correct option is session hijacking.
Answer: Mutual authentication
Explanation: Mutual authentication could be referred to a vetting process where the two entities in communication authenticate each other, it could also be referred to as a two-way authentication.
In the scenario above, the cloud service or server authenticates itself with the client and the client authentication itself with the cloud service server by verifying or vetting the certificates of both communicating entities before a secure encrypted connection would be established or created.