Exam Essentials

Understand that Cloud DNS is used to map domain names to IP addresses. If you want to support queries from the Internet, use a public DNS zone. Use a private DNS zone only if you want to accept queries from resources in your project.

Know that DNS entries, like example.com, can have multiple records associated with them. The A record specifies the address of a DNS resolver that maps domain names to IP addresses. CNAME records store the canonical name of the domain.

Know how load balancers are distinguished. Load balancers are distinguished based on global versus regional load balancing, external versus internal load balancing, and the protocols supported. Global balancers distribute load across regions, while regional load balancers work within a region. Internal load balancers balance traffic only from within GCP, not external sources. Some load balancers are protocol-specific, such as HTTP and SSL load balancers.

Know the five types of load balancers and when they should...