The key would he use to create the digital signature is Mike public key.
<h3>Which key is used to sign messages?</h3>
Digital signatures are known to be used via public key. Here, the person is said to be one who is said to produce or creates the digital signature that uses a private key to encrypt signature-linked data.
The only way to decrypt a data is only with the signer's public key, the key David would use to create the digital signature is Mike public key.
Learn more about public key from
brainly.com/question/17486027
Answer:
False
Explanation:
A User Authentication is a process in which you verify that someone who is attempting to access services and applications is who they claim to be. This can be accomplished through a variety of authentication methods, such as entering a password into your laptop or phone or a PIN number into the ATM. Authentication is essential when you have content that you wish to protect and provide only to specific, approved clients.
The correct answer is C. Keep existing customers and clients
Explanation:
Customer service refers to the interaction with customers and support employees in a company provide to customer to guarantee he or she has the best experience when buying one product or service. A high-quality customer service implies providing complete information to customers, and helping them before, during, and even after their process in buying or looking for information in a company. The main purpose of this is that customers feel the support from employees, and are loyal to the company which means they will go back if they need the same service or products. Thus, the reason for quality customer service is "Keep existing customers and clients".