cisco 300-910 practice test

Question 1

AppDynamics is being used to monitor your distributed Python application. Each individual container of the application is instrumented with an AppD agent. Which two configuration variables uniquely determine the module being monitored? (Choose two.)

• A. node
• B. app
• C. agent
• D. tier
• E. event

Question 2

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

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

Question 3

Refer to the exhibit. The push_configs.yml playbook returns the error shown.

Which action resolves the error?

• A. Install the Paramiko library on the host that runs Ansible
• B. Generate a new SSH key pair and add the public key to the target machine
• C. Export the ANSIBLE_HOST_KEY_CHECKING=False variable
• D. Comment out the StrictHostKeyChecking=yes line from ansible.cfg

Question 4

A three-tier web application must be moved to containers. A webserver is already in place, and the middleware container can talk to a central database server. The hostname of the database server is known, but the name of the middleware server must be provided to the webserver.

In which file should the name of the middleware server be configured?

• A. Docker Service discovery daemon
• B. Docker Swarm
• C. Docker Compose
• D. Dynamic Host Configuration Protocol

Question 5

DRAG DROP Construct an Ansible script to gather information about target routers and then use it to apply no ip redirects to every interface on each device. Drag and drop the code from the bottom onto the correct location in the exhibit to complete the tasks section of the Ansible playbook so that it accomplishes your goal.
Select and Place:

Question 6

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

Question 7

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']

Question 8

When DevOps practices are integrated into an existing organization, which two characteristics are positive indicators of DevOps maturity? (Choose two.)

• A. mean time between success
• B. mean time to recover
• C. cone testing
• D. change lead time
• E. age of codebase

Question 9

Refer to the exhibit. What are the properties of the load balancer in a Kubernetes environment?

• A. Has exposed ports 80 and 8080 to a private IP address and directs outgoing connections to the port named http-port1
• B. Has exposed ports 80 and 8080 to a public IP address and directs incoming connections to the port named nginx-port
• C. Forwards incoming traffic from the port named nginx-port to ports 80 and 8080 of nginxapp
• D. Forwards any outgoing traffic from the port named nginx-port to exposed ports http-port1 and http-port2 of nginxapp

Question 10

A DevOps engineer has built a container to host a web-server and it must run as an executable. Which command must be configured in a Dockerfile to accomplish this goal?

• A. ENTRYPOINT
• B. ENTRYPOINT ["/usr/sbin/apache2ctl", "-D", "FOREGROUND"]
• C. ENTRYPOINT ["BACKGROUND", "-D", "/usr/sbin/apache2ctl"]
• D. ENTRYPOINT {usr/sbin/apache2ctl}