Cisco 200-901 Questions Answers

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Cisco 200-901 Sample Questions

Question # 1

Developer is working on a new feature and made changes on a branch named ‘branch-413667549a-new’. When merging the branch to production, conflicts occurred. Which Git command must the developer use to recreate the pre-merge state? 

git merge -no-edit
git merge -commit 
git merge -revert 
git merge -abort 

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Question # 2

Which TCP port is used to connect to a network device by using Telnet? 

23
69
400
830

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Question # 3

What is a comparison of YAML and JSON? 

YAML has a more consistent approach to representing data compared to JSON.
JSON does not support comments and YAML does. 
YAML is a more verbose data structure compared to JSON. 
JSON has more common usage in configuration management tools compared to YAML. 

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Question # 4

Which IP service is used to monitor the performance of network devices? 

SNMP
DHCP
DNS
NTP

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Question # 5

A developer pushes an application to production. The application receives a webhook over HTTPS without a secret. The webhook information contains credentials to service in cleartext. When the information is received, it is stored in the database with an SHA-256 hash. Credentials to the database are accessed at runtime through the use of a vault service. While troubleshooting, the developer sets the logging to debug to view the message from the webhook. What is the security issue in this scenario?

Database credentials should be accessed by using environment variables defined at runtime. 
During the transport of webhook messages, the credentials could be unencrypted and leaked. 
During logging, debugging should be disabled for the webhook message. 
Hashing the credentials in the database is not secure enough; the credentials should be encrypted. 

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Question # 6

A file in a local Git repository has been updated and issued the git add . command. The git diff command has been run to compare the changes to the previous commit, but nothing shows. Which action identifies the problem?

Run the git add . command again in the correct subdirectory to ensure changes added to the staging area. 
Run the git commit command before the differences are compared to receive the end state of the code. 
Run the git status command to see the differences between current and previous code review stages. 
Run the git diff --staged command to compare the code added to the staging area.

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Question # 7

What is the meaning of the HTTP status code 204? 

request completed; new resource created 
server successfully processed request; no content returned 
standard response for successful requests 
invalid query parameters 

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Question # 8

A developer has experienced security issues with a previously developed application. The API offered by that application is open and without any constraints. During a recent attack, the application was overloaded with API requests. To address this issue, an API constraint is implemented to protect the application from future attacks or any sudden throttling. Which API constraint must the application developer implement in this situation? 

pagination
rate limiting 
filtering
payload limiting 

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Question # 9

What is a capability of the AXL API? 

It signs a user in to a phone that is configured for extension mobility. 
It pulls logs for the Cisco Tomcat service. 
It authenticates users who exist in Cisco Unified Communications Manager. 
It provides support for HTTP and HTTPS communications. 

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Question # 10

Which technology is responsible for resolving a host name to an IP address? 

DNS
SNMP
DHCP
NTP

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Question # 11

What is the purpose of running tests before writing code in test-driven development? 

to find unexpected failures in the tests 
to demonstrate that the tests fail for expected reasons 
to ensure that the tests pass 
to provide proof of the work carried out 

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Question # 12

A team of developers is responsible for a network orchestration application in the company. The responsibilities also include: developing and improving the application in a continuous manner deployment of the application and management of CI/CD frameworks monitoring the usage and problems and managing the performance improvements Which principle best describes this DevOps practice?

responsible for IT operations 
automation of processes 
end-to-end responsibility 
quality assurance checks 

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Question # 13

A company deploys an application via containers in its local data center. As soon as the application goes into production, it starts to crash at specific hours of the day. After investigation, it is concluded that the crashes are due to too many users accessing the application simultaneously. The spikes must be addressed and allow for future growth without discarding the investment already made. Which deployment model must be used? 

hybrid cloud 
edge
private cloud 
public cloud

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Question # 14

Which API is used to obtain data voicemail ports? 

Finesse gadgets 
Cisco Unified Communications manager 
Webex devices 
Webex teams 

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Question # 15

In which situation would an edge computing solution be used? 

where low latency is needed 
where high CPU throughput is needed 
where fast memory is needed 
where high disk space is needed 

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Cisco 200-901 Reviews