Which method is a safe way to provide a username/password combination to an application running as a service in a Docker container?

1. A. encode the value with base64 in a secure DNS CTEXT entry
2. B. as an environment variable in the Dockerfile
3. C. Docker environment variable
4. D. Docker secrets

Correct Answer: D

What is as responsibility for teams running private cloud servers that is less of a concern when running in the public cloud?

1. A. cost
2. B. metrics and monitoring
3. C. hardware maintenance
4. D. credentials management

Correct Answer: D

A company has experienced serious growth and the hosted applications are getting more and more hits. Based on the increased work load, applications have started to show signs of reduced performance, which is affecting the user experience.
Which two server metrics should be tracked to ensure that the customer experience remains within acceptable limits? (Choose two.)

1. A. application feature sprawl
2. B. CPU peak usage
3. C. CPU average usage
4. D. microservices count
5. E. CPU frequency

Correct Answer: BC

To make logging searches more efficient and useful in Kibana, an Administrator wants to implement index patterns around the hostname of some software systems. Where should this be configured?

1. A. Configure a new JSON object in Kibana.
2. B. Create a search index in Logstash.
3. C. Create an index pattern in Kibana.
4. D. Create a time filter on Kibana to look at time only.

Correct Answer: C

What are two reasons a Docker golden image should be updated? (Choose two.)

1. A. when there is a change to a username or password in the Docker secrets
2. B. when the application has a new release
3. C. when a fix for a security vulnerability is released
4. D. when a change is needed to an environment variable in the Dockerfile
5. E. when the base image is nearing the end of life

Correct Answer: BC