CV0-004: CompTIA Cloud+

Configuration management automates and parallelizes patch deployment to the existing servers, avoiding the additional compute capacity required to clone servers or launch replacement instances. It is faster and less resource-intensive than manually patching each server.

Long-term reporting and regulatory compliance requirements are primarily driven by how long data must be preserved and accessible. The retention setting of a backup determines the length of time backup data is kept before it is purged or rotated out, which directly controls whether historical data remains available for the extended reporting periods that banks typically require under financial regulations. Location, backup type, and schedule affect where data is stored, how it is captured, and how often it is captured, respectively, but none of these control how long the data persists for future reporting needs.

An Application Load Balancer returns HTTP 504 when it cannot establish a connection to a target in time or when a connected target does not respond before the idle timeout. Reviewing the target-group health check configuration helps identify whether the deployed web targets are being checked with the correct protocol, port, path, timeout, and expected response code.

Encrypting data at rest preserves confidentiality by requiring the appropriate decryption key to read the stored content. If an unauthorized party accesses encrypted stored data without that key, the data remains unreadable.

A NAS delivers file-level storage through network file-sharing protocols, which generally have more overhead and lower performance than the block-level storage protocols used by a SAN. SANs can use Fibre Channel or Ethernet-based technologies, so neither network-medium statement is universally true.