Cisco Devnet 200-901 Mock-up Test – 2 || July2021

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1. Which task is performed because the test-driven development approach is being used?

A. testing existing software before developing new code

B. refactoring code that is covered by existing tests

C. writing code without committing any coding violations

D. creating test scenarios based on continuous development

2. A function my_func() returns True when it executes normally. Which python snippet tests my_func()?

A. Option A

B. Option B

C. Option C

D. Option D

3. Which line is an example of the start of a chunk from a unified diff?

A. @@ -90,88 +20191008T1349@@

B. @@ -20191007T1200 +88,90 @@

C. @@ -20191007T1200 +20191008T1349@@

D. @@ -88,10 +88,6 @@

4. Which two encoding formats do YANG interfaces support?

A. JSON

B. XML

C. XHTML

D. Plain text

E. BER

5. Which two types of NAT are used in a network? (Choose two.)

A. Static NAT

B. Normal NAT

C. Multicast NAT

D. Dynamic NAT

E. Router NAT

6. Refer to the exhibit

What caused the error in this API request?

A. The API resource does not support the POST operation.

B. The API resource does not support JSON format payloads.

C. The submitted JSON payload includes a field that is not supported by the API resources.

D. The submitted JSON payload has a formatting issue.

7. Refer to the exhibit. What does the python function do?

A. It returns DNAC user and password.

B. It returns HTTP Basic Authentication.

C. It returns an authorization token.

D. It reads a token from a local JSON file and posts the token to the DNAC URL

8. Which two statements describe the traits of an asynchronous API call? (Choose two.)

A. The order in which API calls return can be guaranteed

B. A call to an API does not block the code, but rather it allows application processing to continue

C. The end user can experience latency or performance lag while waiting for the API call to return

D. Code execution blocks or waits for the call to an API to return.

E. A callback function typically is used to process the response from an API call

9. Refer to the exhibit. Which python data structure does my_json contain?

A. List

B. Json

C. Map

D. Dict

10. In python, which expression checks whether the script returns a success status code when the Requests library is used?

A. response.status_code== requests.ok

B. response.status_code== requests.codes.ok

C. response.code== requests.codes.ok

D. response.status_code ! == requests.codes.o

11. What is an example of a network interface hardware address?

A. domain name

B. IP address

C. workstation name

D. MAC address

12. Which REST architectural constraint indicates that no client context should be stored on the server between requests?

A. stateless

B. uniform interface

C. cacheable

D. client-server

13. Which two elements are foundational principles of DevOps? (Choose two.)

A. designing applications as microservices

B. encouraging containers for the deployment of applications

C. organizing cross-functional teams over organizational silos

D. optimizing the cost of infrastructures

E. automating over documenting

14. Which two use cases are supported by Meraki APIs? (Choose two.)

A. Retrieve live streams from a Meraki Camera.

B. Build a custom Captive Portal for Mobile Apps.

C. Configure network devices via the Dashboard API.

D. Build location-aware apps from Wi-Fi and LoRaWAN devices.

E. Deploy applications onto the devices.

15. When a Cisco IOS XE networking device is configured using RESTCONF, what is the default data-encoding method?

A. XML

B. x-form-encoding

C. JSON

D. YAML

16. Which two statements are true about Cisco UCS manager, Cisco Intersight APIs? (Choose two.)

A. Cisco Intersight API interactions can be encoded in XML or JSON and require an APIs key in the HTTP header for authentication.

B. UCS Director API interactions can be XML- or JSON-encoded and require an APLs key in the HTTP header for authentication.

C. UCS manager API interactions are XML-encoded and require a cookie in the method for authentication.

D. Cisco Intersight uses XML to encoded API interactions and requires an API key pair for authentication.

E. UCS manager uses JSON to encode API interactions and utilizes Base64-encoded credentials in the HTTP header for authentication.

17. What are two characteristics of Bare Metal environments that are related to application deployment? (Choose two.)

A. Provide the hypervisor to host virtual servers

B. Specifically designed for container-based workloads.

C. Provides workloads with access to hardware features

D. Suitable for legacy application that do not support virtualization

E. Not compatible with other cloud services such as PaaS or SaaS offerings.

18. A developer is writing an application that a REST API and the application requires a valid from the API which element of the response is used in the conditional check?

A. URL

B. Status code

C. Link

D. Body

E. Headers

19. Which device is a system that monitors and controls incoming and outgoing network traffic based on predetermined security rules?

A. Switch

B. Router

C. Firewall

D. Load balancer

20. When using the Bash shell, how it the output of the devnet command saved to a tile named “output.txt”?

A. devnet & output.txt

B. devnet > output.txt

C. devnet < output.txt

D. devnet I output.txt

21. What are two security benefits of a Docker-based application?

A. easier to patch because Docker containers include only dependencies that the application requires

B. prevents information leakage that can occur when unhandled exceptions are returned in HTTP responses

C. allows for separation of application that traditionally run in the same host

D. natively secures access to secrets that are used by the running application

E. guarantees container images are secured and free of vulnerabilities

22. Which Cisco DevNet resource allows access to products in a development lab to explore, learn, and build application that use Cisco APLs?

A. DevNet communities

B. DevNet code Exchange

C. DevNet Automation Exchange

D. DevNet sandbox

23. What is the outcome of executing this command? git clone ssh://john@exmaple.com/path/to/my-project_git

A. Creates a local copy of a repository called “my project”

B. Creates a copy of a branch called “my project”

C. Initiates a new Git repository called “my project”

D. Creates a new branch called “my project”

24. An application calls a REST API and expects a result set of more than 550 records, but each time the call is made, only 25 are returned. Which feature limits the amount of data that is returned by the API?

A. pagination

B. payload limit

C. rate limiting

D. service timeouts

25. Package updates from a local server fail to download. However, the same updates work when a much slower external repository is used. Way are local updates failing?

A. The update utility is trying to use a proxy to access the internal resource.

B. The Internet connection is too slow.

C. The Internet is down at the moment, which causes the local server to not be able to respond.

D. The server is running out of disk space.