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Pass Exin Certification DEVOPSF Exam With 42 Questions
NEW QUESTION 14
Why is reducing the fragility of a business system difficult?
- A. Because doing so will disrupt the current product and service timelines
- B. Because of the high risks of business disruption when integrating large numbers of systems
- C. Because it is difficult to deliberately introduce chaos into the Production environment
- D. Because doing so will increase the number of incidents that occur temporarily
Answer: B
Explanation:
Explanation/Reference: https://books.google.com.pk/books?id=gBSGDwAAQBAJ&pg=PA19&lpg=PA19&dq=devops
+reducing+the+fragility+of+a+business+system+difficult+high+risks+of+business+disruption+when+integrating
+large+numbers+of+systems&source=bl&ots=TxpzF69oQd&sig=ACfU3U2SLq5-
DSpRLyWLIUobVfv7Ts_8OQ&hl=en&sa=X&ved=2ahUKEwitxeLciL3lAhX8BGMBHZlpBEcQ6AEwAHoECAkQ AQ
NEW QUESTION 15
A company decides to do canary releases for some new functionality.
What is a description of a canary release?
- A. Switching users from interacting with one release to the next within seconds
- B. Test business hypotheses by having half of the users switch to a new release
- C. Releasing to a limited number of users, before releasing it to all users
Answer: C
Explanation:
Explanation/Reference: https://www.modernanalyst.com/Careers/InterviewQuestions/tabid/128/ID/5041/What-is-a-canary- release-and-what-are-some-of-the-benefits.aspx
NEW QUESTION 16
Which architecture is a cause of the problems with DevOps that a microservice architecture solves?
- A. Monolithic architecture
- B. Mainframe architecture
- C. Intel x86 architecture
- D. Serverless architecture
Answer: A
NEW QUESTION 17
DevOps states that release should be a routine.
Which DevOps principle is necessary for daily releases?
- A. Solving incidents immediately
- B. Continuous improvement of processes
- C. Visualization of the Work-in-Progress
- D. Automation of the deployment pipeline
Answer: D
Explanation:
Explanation/Reference: https://dzone.com/articles/release-frequency-a-need-for-speed
NEW QUESTION 18
A company decides to do canary releases for some new functionality.
What is a description of a canary release?
- A. Switching users from interacting with one release to the next within seconds
- B. Test business hypotheses by having half of the users switch to a new release
- C. Releasing to a limited number of users, before releasing it to all users
Answer: C
NEW QUESTION 19
The most valuable information of a value stream map is taken from three key metrics.
What is one of these three key metrics?
- A. Process time
- B. Server time
- C. Percentage complete
- D. Measured service
Answer: C
Explanation:
Explanation/Reference: https://books.google.com.pk/books?id=0zSGDwAAQBAJ&pg=PT122&lpg=PT122&dq=devops+The
+most+valuable+information+of+a+value+stream+map+is+taken+from+three+key
+metrics&source=bl&ots=Kuo1snQUbn&sig=ACfU3U1zDQjY9nXMmRnLAviepDyZCfEpgg&hl=en&sa=X&ved
2ahUKEwit37qah73lAhXv2eAKHSmiDloQ6AEwDXoECAkQAQ#v=onepage&q=devops%20The%20most%
20valuable%20information%20of%20a%20value%20stream%20map%20is%20taken%20from%20three%
20key%20metrics&f=false
NEW QUESTION 20
Even more than Agile or Scrum, DevOps encourages continuous delivery of new functionality and continuous feedback from the customer.
What does this achieve?
- A. It increases the team's responsibility
- B. It improves customer relations
- C. It yields a greater return on IT
Answer: C
Explanation:
Explanation/Reference:
NEW QUESTION 21
DevOps incorporates Lean Production principles in software development.
What Lean principle is the core of DevOps?
- A. Continuous delivery
- B. Value chain thinking
- C. Self-organization
- D. Welcoming change
Answer: A
NEW QUESTION 22
The description of the Scaled Agile Framework (SAFe) model states:
"SAFe enterprises implement DevOps to break down silos and empower each Agile Release Train (ART) and Solution Train to continuously deliver new Features to their end users. Over time, the separation between development and operations is significantly reduced." Why is this a limited view on DevOps?
- A. Because DevOps is better than other methodologies for developing software by incorporating continuous integration and continuous deployment
- B. Because there is no limit to the improvements you can establish with DevOps, due to the continuous improvement requirement
- C. Because DevOps extends the agile ideas from IT production to the entire organization, all processes and the entire value chain
Answer: A
NEW QUESTION 23
Which architecture is a cause of the problems with DevOps that a microservice architecture solves?
- A. Monolithic architecture
- B. Mainframe architecture
- C. Intel x86 architecture
- D. Serverless architecture
Answer: A
Explanation:
Explanation/Reference: https://dzone.com/articles/what-problems-do-microservices-solve-2
NEW QUESTION 24
When value stream mapping, which metric is essential to measure for each step?
- A. Delay divided by duration
- B. Work-in-Progress (WiP)
- C. Key group comparison
- D. Percentage complete and accurate
- E. Cost of delay
Answer: D
NEW QUESTION 25
What is the DevOps practice called that maximizes detection of common errors?
- A. Shift Defect
- B. Shift Right
- C. Shift Down
- D. Shift Left
- E. Shift Up
Answer: D
NEW QUESTION 26
What is a correct use of a value stream map?
- A. Identifying and eliminating bottlenecks in the process
- B. Visualizing the work that is done or is in process
- C. Inserting feedback from the customer into the process
Answer: B
Explanation:
Explanation/Reference: https://books.google.com.pk/books?id=FlZeAgAAQBAJ&pg=PT30&lpg=PT30&dq=exin+correct
+use+of+a+value+stream+map&source=bl&ots=TlRWGeS-Zm&sig=ACfU3U3P5fpCgM_hBEMNdj00fiknvrni- g&hl=en&sa=X&ved=2ahUKEwi5obqRxbzlAhWNDWMBHelvDFIQ6AEwAHoECAgQAQ#v=onepage&q=exin%
20correct%20use%20of%20a%20value%20stream%20map&f=false
NEW QUESTION 27
Configuration management can prevent unauthorized changes to Production.
How should the system be configured to prevent unauthorized changes to Production?
- A. Value stream mapping should be used to identify security leaks and unauthorized persons
- B. Chaos and disruptions should be deliberately and automatically introduced into production
- C. Admin passwords should be regularly and automatically changed without notification to all IT staff
- D. Only a single source should be used to give out information on the status of the system
Answer: A
NEW QUESTION 28
The most valuable information of a value stream map is taken from three key metrics.
What is one of these three key metrics?
- A. Process time
- B. Server time
- C. Percentage complete
- D. Measured service
Answer: C
NEW QUESTION 29
DevOps implies that not only the boundary between Development and Operations must disappear.
Which other boundary must also disappear?
- A. The boundary between IT management and the rest of the IT department
- B. The boundary between Development and marketing
- C. The boundary between the finance department and Development
- D. The boundary between the IT department and the business
- E. The boundary between the HR department and Operations
Answer: B
NEW QUESTION 30
Why is reducing the fragility of a business system difficult?
- A. Because doing so will disrupt the current product and service timelines
- B. Because of the high risks of business disruption when integrating large numbers of systems
- C. Because it is difficult to deliberately introduce chaos into the Production environment
- D. Because doing so will increase the number of incidents that occur temporarily
Answer: B
NEW QUESTION 31
What helps a DevOps team to successfully develop and deliver working software?
- A. Identifying, fixing and learning from errors only after your project ended
- B. Allowing your DevOps teams to develop their own specific mission
- C. Forming a DevOps team for short period of time during a project
- D. Writing code for software to have built-in quality as a main goal
Answer: D
NEW QUESTION 32
DevOps practices incorporate the value stream concept from Lean Production.
What is a value stream?
- A. The amount of products that are delivered within a timeframe
- B. The series of actions performed to fulfill any type of request
- C. The sequence of releases that deliver a working product
Answer: B
NEW QUESTION 33
DevOps practices incorporate the value stream concept from Lean Production.
What is a value stream?
- A. The amount of products that are delivered within a timeframe
- B. The series of actions performed to fulfill any type of request
- C. The sequence of releases that deliver a working product
Answer: B
Explanation:
Explanation
NEW QUESTION 34
Commercial off-the-shelf software (COTS) has both advantages and limitations for businesses.
What is true about COTS?
- A. Depending on the type of COTS used, the possibility of customization is limited
- B. COTS supports continuous development with its fast implementation
- C. COTS will save the business time and money, by reducing development time
Answer: C
Explanation:
Explanation/Reference: https://sites.google.com/site/advancedsofteng/software-acquisition/using-commercial-off-the-shelf- packages-cots
NEW QUESTION 35
Your team uses continuous delivery.
What are two reasons to keep the batch size small? (Choose two.)
- A. So that each team member can get their own batch
- B. So that the product owner can report back to the customer
- C. So that root causes of problems can be identified and resolved quickly
- D. So that the product owner has a good idea of what is delivered when
- E. So that there is room for Kaizen blitzes in between work
Answer: C,D
NEW QUESTION 36
What is not a proper use of the deployment pipeline?
- A. As an optimal way to link development and testing together
- B. To always maintain the system in a working condition
- C. To accelerate the delivery of changes to Production
- D. As an audit log that enables the monitoring of all changes
Answer: A
NEW QUESTION 37
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