what you think about option D 

An enterprise is deploying APIs that utilize a private key and a public key to ensure the connection string is protected. To connect to the API, customers must use the private key.

Which of the following would BEST secure the REST API connection to the database while preventing the use of a hard-coded string in the request string?

Options: AImplement a VPN for all APIs.
BSign the key with DSA.
CDeploy MFA for the service accounts.
DUtilize HMAC for the keys.    

A security engineer thinks the development team has been hard-coding sensitive environment variables in its code.

Which of the following would BEST secure the company's CI/CD pipeline?

Options:

A Utilizing a trusted secrets manager
B Performing DAST on a weekly basis
C Introducing the use of container orchestration
D Deploying instance tagging

which of the following statements is true about a VPN?

1. Using a VPN connection is highly secure.
2. Optimum resource utilization is not possible.
3. The network is configured using cable wires. 
4. All of these

Which of the following is not a wired broadband internet connection option?

1. Cable
2. Dial-up
3. DSL
4. Fiber-optic