The correct answer is C. Firewall rules. Here's why:
* Context of the Question: The organization wants to control what types of network traffic are allowed to enter and leave its network and access its applications.
* Google Cloud Product Relevance:
* Firewall rules are security settings used to control the flow of traffic to and from instances or resources in a network. They define which traffic is allowed or denied based on parameters such as IP address, protocol, and port.
* Firewall rules are essential for protecting applications from unauthorized access and for ensuring that only trusted traffic is permitted.
* Why Not Other Options:
* A. Encryption keys: Encryption keys are used for data protection and encryption but do not control network traffic.
* B. 2-Step Verification: This enhances account security by requiring a second form of authentication but does not control network traffic.
* D. Privileged access: This refers to managing access rights for administrative tasks and is not related to controlling network traffic.
Google Cloud Digital Leader References:
* Refer to Google Cloud VPC firewall documentation to understand how firewall rules are used to control network traffic.