A company has one cloud-based web server that is prone to downtime during maintenance.
Which of the following should the cloud engineer add to ensure high availability?
A . A redundant web server behind a load balancer
B . A backup cloud web server
C . A secondary network link to the web server
D . An autoscaling feature on the web server
Answer: A
Explanation:
Adding a redundant web server behind a load balancer is the solution that will ensure high availability. If one server goes down for maintenance, the other can take over, ensuring that the web service remains available without interruption.
Reference: High availability concepts, including the use of load balancers and redundant servers, are part of cloud infrastructure design as per CompTIA Cloud+.
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