350-901 Free Practice Test

A heterogeneous network of vendors and device types needs automating for better efficiency and to enable future automated testing. The network consists of switches, routers, firewalls and load balancers from different vendors, however they all support the NETCONF/RESTCONF configuration standards and the YAML models with every feature the business requires. The business is looking for a buy versus build solution because they cannot dedicate engineering resources, and they need configuration diff and rollback functionality from day 1.
Which configuration management for automation tooling is needed for this solution?

1. A. Ansible
2. B. Ansible and Terraform
3. C. NSO
4. D. Terraform
5. E. Ansible and NSO

Correct Answer: E

An application has initiated an OAuth authorization code grant flow to get access to an API resource on behalf of an end user.
Which two parameters are specified in the HTTP request coming back to the application as the end user grants access? (Choose two.)

1. A. access token and a refresh token with respective expiration times to access the API resource
2. B. access token and expiration time to access the API resource
3. C. redirect URI a panel that shows the list of permissions to grant
4. D. code that can be exchanged for an access token
5. E. state can be used for correlation and security checks

Correct Answer: AB

User report that they can no longer process transactions with the online ordering application, and the logging dashboard is displaying these messages.
Fri Jan 10 19:37:31.123 EST 2020 [FRONTEND] INFO: Incoming request to add item to cart from user 45834534858 Fri Jan 10 19:37:31 247 EST 2020 [BACKEND] INFO: Attempting to add item to cart
Fri Jan 10 19:37:31 250 EST 2020 [BACKEND] ERROR: Failed to add item: MYSQLDB ERROR: Connection refused What is causing the problem seen in these log messages?

1. A. The database server container has crashed.
2. B. The backend process is overwhelmed with too many transactions.
3. C. The backend is not authorized to commit to the database.
4. D. The user is not authorized to add the item to their cart.

Correct Answer: A

Which two statements are considered best practices according to the 12-factor app methodology for application design? (Choose two.)

1. A. Application code writes its event stream to stdout.
2. B. Application log streams are archived in multiple replicated databases.
3. C. Application log streams are sent to log indexing and analysis systems.
4. D. Application code writes its event stream to specific log files.
5. E. Log files are aggregated into a single file on individual nodes.

Correct Answer: AD

A user is receiving a 429 Too Many Requests error. Which scheme is the server employing that causes this error?

1. A. rate limiting
2. B. time outs
3. C. caching
4. D. redirection

Correct Answer: A