300-910 Online Practice Questions and Answers

FILL BLANK

Fill in the blanks to complete the statement.

When creating multiple containers, in order to allow communication with each other, you must create a __________ of type _________ .

A CI/CD pipeline that builds infrastructure components using Terraform must be designed. A step in the pipeline is needed that checks for errors in any of the .tf files in the working directory. It also checks the existing state of the defined infrastructure.

Which command does the pipeline run to accomplish this goal?

A. terraform plan

B. terraform check

C. terraform fmt

D. terraform validate

Which Docker command is used to start an interactive Bash shell in a running container named "test"?

A. docker attach -it test /bin/bash

B. docker run -it test /bin/bash

C. docker exec -it test /bin/bash

D. docker run test /bin/bash

Refer to the exhibit.

The exhibit shows the output of an Ansible task that prints the contents of the show_ip_int_brief variable that was registered in a different task in the playbook. Which expression is used to print the output of the command without its header row?

A. show_ip_int_brief[`stdout_lines'][0]

B. show_ip_int_brief[`stdout_lines'][1:]

C. show_ip_int_brief[`stdout_lines'][0][1:]

D. show_ip_int_brief[`stdout_lines']

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?

A. Configure a new JSON object in Kibana.

B. Create a search index in Logstash.

C. Create an index pattern in Kibana.

D. Create a time filter on Kibana to look at time only.

How long analysis systems such as Elasticsearch, Logstash, and Kibana Stack handle ingesting unstructured logs from different devices in various formats?

A. All devices that generate syslogs must use agents that process the local logs and transmit them in a specific format to the ELK Stack.

B. All logs are stored in their unstructured text format, and the ELK Stack performs data analysis by intelligently parsing the logs using machine learning algorithms.

C. All different message formats are parsed separately using custom filters, and the resulting structured data is stored for later analysis.

D. A single, comprehensive log format is defined on the ELK Stack. All incoming logs, regardless of format, are transformed to match the comprehensive format, and only applicable fields are populated.

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

A. cost

B. metrics and monitoring

C. hardware maintenance

D. credentials management

What is a capability of node-level logging in Kubernetes?

A. Using the Kubernetes JSON logging driver enables log persistence

B. Output that is written to stdin is retrieved by using kubectl

C. Output that is written to stderr is not logged or retrievable by using kubectl

D. Using the local logging driver of Docker enables log persistence

What is a benefit of monitoring the CI/CD pipeline?

A. troubleshoots distributed systems performance

B. proactively deploys new servers if needed

C. analyzes network outages that affect the network and server infrastructure

D. provides insight into how efficiently the development team is operating

A company has a CI/CD pipeline implemented to automate application deployment. An urgent change is required in the production environment. A developer produces and tests the required change in the company's environment, but the pipeline fails when pushed.

Which action conforms to the rules of a CI/CD pipeline and enables the pipeline to pass?

A. Remove the failing test.

B. Manually deploy the change into the production environment

C. Use a backup pipeline

D. Replicate the production environment in the pipeline before applying