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NEW QUESTION # 39
Which statement is true about DevOps?
- A. It enables low-risk releases and fast recovery with no room for errors
- B. It enables high-risk releases and fast recovery with fast fix-forward
- C. It enables low-risk releases and fast recovery with fast fix-forward
- D. It enables a tolerance for low-risk, low-failure, and rapid recovery
Answer: C
NEW QUESTION # 40
Ensuring that security controls such as threat modeling, application security, and penetration testing are in place throughout the Continuous Delivery Pipeline is an example of which stabilizing skill?
- A. Design for operations
- B. Continuous security monitoring
- C. Failover/disaster recovery
- D. Security Operations
Answer: B
Explanation:
Explanation
Ensuring that security controls like threat modeling, application security, and penetration testing are in place throughout the Continuous Delivery Pipeline is an example of Continuous security monitoring. This skill involves the ongoing assessment and oversight of security measures within the pipeline to ensure that the software remains secure against potential threats at all stages of its development and deployment.
NEW QUESTION # 41
Continuous Deployment enables which key business objective?
- A. Time-to-market
- B. Business value
- C. Manage technical debt
- D. Release continuously
Answer: A
Explanation:
Explanation
According to the SAFe DevOps Practitioner 6.0 study guide1, continuous deployment enables release continuously. Continuous deployment is an aspect of the Continuous Delivery Pipeline that automates the migration of new functionality from a staging environment to production, where it is made available for release. Continuous deployment allows teams to deploy small, incremental changes to production continually, enabling them to respond to market opportunities with the highest possible value in the shortest sustainable lead time. Continuous deployment also helps teams to reduce the risk of deploying faulty or incomplete code, as well as to optimize the performance and resource consumption of the system. Therefore, continuous deployment enables release continuously, which is a key business objective for delivering value to customers faster and more reliably.
NEW QUESTION # 42
Why is it important to take a structured approach to analyze problems in the delivery pipeline?
- A. It helps ensure that actual causes of problems are addressed, rather than symptoms
- B. It ensures that solutions are more likely to be approved for implementation
- C. It provides a structured roadmap for the SAFe implementation
- D. It allows the solution to be demoed to key stakeholders
Answer: A
Explanation:
Explanation
The reason why it is important to take a structured approach to analyze problems in the delivery pipeline is that it helps ensure that actual causes of problems are addressed, rather than symptoms. A structured approach to problem analysis involves following a systematic and logical process to identify, define, and understand the root causes of a problem, and to propose and evaluate possible solutions. A structured approach can help avoid jumping to conclusions, making assumptions, or applying band-aid fixes that do not solve the underlying issues. A structured approach can also help involve the relevant stakeholders, collect and analyze data, prioritize and categorize problems, and communicate and document the findings and recommendations. Some examples of structured approaches to problem analysis are the 5 Whys, the fishbone diagram, the Pareto chart, and the PDCA cycle
NEW QUESTION # 43
In what activity of Continuous Exploration are Features prioritized in the ART Backlog?
- A. Synthesize
- B. Hypothesize
- C. Finalize
- D. Research
Answer: A
Explanation:
Explanation
According to the SAFe DevOps Practitioner 6.0 study guide and handbook, Features are prioritized in the ART Backlog in the Synthesize activity of Continuous Exploration. This activity involves creating Solution hypotheses based on customer needs and market research, and then selecting the most promising ones to be implemented in the ART Backlog. The handbook states that "Synthesize is the activity of creating Solution hypotheses based on customer needs and market research, and then selecting the most promising ones to be implemented in the ART Backlog."1 Therefore, Synthesize is where Features are prioritized for continuous delivery.
NEW QUESTION # 44
What is trunk-based development?
- A. All teams committing their code into one trunk
- B. Each developer maintains a separate branch
- C. Teams with similar dependencies create one single branch for the team's work
- D. Every team works in their own trunk
Answer: A
Explanation:
Explanation
Trunk-based development is a version control management practice where all developers work on the same trunk of shared code. The trunk is always in a releasable state, which means that at least once a day, developers must integrate their changes to the trunk. This is accomplished through short-lived feature branches related to project tasks. Trunk-based development is a common practice among DevOps teams and part of the DevOps lifecycle since it streamlines merging and integration phases. It also enables continuous integration, which is the practice of merging all development versions of a code base several times a day. Trunk-based development has several benefits, such as:
It reduces the complexity and conflicts of merging long-lived branches
It improves the quality and consistency of the code by enforcing frequent testing and validation It accelerates the delivery and deployment of new functionality by minimizing the transaction cost and risk It fosters a culture of collaboration and transparency among developers
NEW QUESTION # 45
What is the first area that should be identified in Value Stream Mapping?
- A. The steps
- B. The people who supervise the work
- C. The bottlenecks
- D. Active Time, Flow Time. and Percent Complete and Accurate (%C&A)
Answer: A
NEW QUESTION # 46
What is one recommended way to architect for operations?
Choose the correct option from below list
- A. Require developers to support their own code
- B. Establish an architecture review board
- C. Implement feature toggles
- D. Create detailed run books
Answer: C
Explanation:
Explanation
One of the recommended ways to architect for operations is to implement feature toggles, which are mechanisms that allow developers to turn features on or off without redeploying the code. Feature toggles enable faster and safer deployments, as well as experimentation and testing in production. They also allow the operations team to control when and how new features are released to the end users, based on business needs and market demand. Feature toggles can also be used to mitigate risks and roll back changes in case of errors or failures
NEW QUESTION # 47
A canary release involves making a Solution available to whom?
- A. Internal users only
- B. Users conducting User Acceptance Testing
- C. Any subset of users
- D. External users only
Answer: C
Explanation:
Explanation
According to the SAFe DevOps Practitioner 6.0 study guide1, a canary release is a type of release on demand that involves making a Solution available to any subset of users, such as a specific team, product, or region. A canary release allows the DevOps teams to test the Solution in a controlled environment and monitor its performance and feedback before rolling it out to the entire customer base. A canary release can help reduce the risk of introducing errors or failures into production and improve the quality and reliability of the Solution.
NEW QUESTION # 48
Which metric reflects the quality of output at each step in the Value Stream?
- A. Code quality
- B. Flow Efficiency
- C. Active Time
- D. Percent Complete and Accurate (%C&A)
Answer: D
Explanation:
Explanation
According to the SAFe DevOps Practitioner 6.0 study guide and handbook, the metric that reflects the quality of output at each step in the Value Stream is Percent Complete and Accurate (%C&A). This metric measures the relative cost of delay divided by the relative job duration, which indicates how efficiently the value stream delivers value to customers. The handbook states that "Percent Complete and Accurate (%C&A) is a metric that measures the relative cost of delay divided by the relative job duration."1 Therefore, %C&A helps teams identify and eliminate any waste or inefficiencies in their value stream.
NEW QUESTION # 49
What is the lead time for a particular step in a value stream?
Choose the correct option from below list
- A. Time from when the work is ready from the previous
- B. Waiting time at a particular step
- C. Process time at a particular step
- D. step to work completion
- E. Time taken to complete a task at a particular step
Answer: D
Explanation:
Explanation
The lead time for a particular step in a value stream is the time from when the work is ready from the previous step to work completion. It includes both the process time and the wait time at that step. Lead time is an important metric to measure the efficiency and flow of a value stream, as it indicates how long it takes for a unit of work to move through a step. Reducing lead time can help eliminate waste, improve throughput, and increase customer satisfaction1
NEW QUESTION # 50
Which technical practice is key to enabling trunk-based development?
- A. Feature branching
- B. Code freezes
- C. Gated commits
- D. Refactoring
Answer: C
Explanation:
Explanation
Gated commits are a key technical practice that enables trunk-based development. Gated commits are a mechanism that ensures that only code that passes certain quality checks and tests can be committed to the main trunk of the shared codebase. Gated commits prevent broken changes from affecting other developers or the Continuous Delivery Pipeline. Gated commits typically involve the following steps:
A developer writes code and runs local tests on their own machine or branch.
The developer pushes the code to a remote repository, where a pre-commit hook triggers a build and test process on a separate server.
The build and test process verifies that the code meets the quality standards and does not introduce any errors or conflicts with the existing code on the trunk.
If the build and test process succeeds, the code is automatically merged into the trunk and becomes available for other developers and downstream activities.
If the build and test process fails, the code is rejected and the developer is notified of the issues that need to be fixed before retrying the commit.
Gated commits support trunk-based development by ensuring that the trunk is always in a releasable state, which means that at least once a day, developers must integrate their changes to the trunk. This is accomplished through short-lived feature branches related to project tasks. Gated commits reduce the complexity and conflicts of merging long-lived branches, improve the quality and consistency of the code by enforcing frequent testing and validation, accelerate the delivery and deployment of new functionality by minimizing the transaction cost and risk, and foster a culture of collaboration and transparency among developers
NEW QUESTION # 51
Which practice appears under the Respond activity?
- A. Telemetry
- B. Service virtualization
- C. Site Reliability
- D. Rollback
Answer: D
Explanation:
Explanation
Under the Respond activity in the context of DevOps, the practice of Rollback is often included. Rollback is a key response mechanism used to quickly revert a system to a previous stable state in the event of a failure or issue in the production environment. This practice is critical for maintaining system stability and minimizing downtime.
NEW QUESTION # 52
Innovation accounting stresses the importance of avoiding what?
- A. Quantitative metrics
- B. Objective metrics
- C. ROI calculations
- D. Vanity metrics
Answer: D
Explanation:
Explanation
Innovation accounting stresses the importance of avoiding vanity metrics. Vanity metrics are metrics that look good on paper but do not reflect the true value or impact of an innovation. Examples of vanity metrics include the number of downloads, page views, followers, or likes, which may not indicate whether the users are actually engaged, satisfied, or loyal to the product or service. Vanity metrics can be misleading, deceptive, or irrelevant, and can cause the enterprise to waste time and resources on pursuing the wrong goals or strategies.
Innovation accounting, on the other hand, is a term coined by Eric Ries in his book The Lean Startup, which describes a process of measuring and learning from the outcomes of innovation experiments. Innovation accounting involves defining the hypothesis, building the minimum viable product (MVP), and evaluating the results using actionable metrics. Actionable metrics are metrics that demonstrate the cause and effect relationship between the actions taken and the outcomes achieved. Examples of actionable metrics include the conversion rate, retention rate, revenue per customer, or customer satisfaction score, which can indicate whether the product or service is delivering value to the customer and the enterprise. Actionable metrics can help the enterprise to validate or invalidate the hypothesis, and to decide whether to pivot or persevere with the innovation78
NEW QUESTION # 53
What marks the beginning of the Continuous Delivery Pipeline?
- A. A checked-in change
- B. A committed Feature
- C. A committed user story
- D. An idea
Answer: D
Explanation:
Explanation
According to the SAFe DevOps Practitioner 6.0 study guide1, the Continuous Delivery Pipeline (CDP) represents the workflows, activities, and automation needed to guide new functionality from ideation to an on-demand release of value. The CDP consists of four aspects: Continuous Exploration (CE), Continuous Integration (CI), Continuous Deployment (CD), and Release on Demand. The CDP enables organizations to deliver new functionality to users far more frequently than traditional processes. The first step in the CDP is Continuous Exploration, which focuses on creating alignment on what needs to be built. In CE, design thinking ensures the enterprise understands the market problem or customer need and the solution required to meet that need. It starts with a hypothesis of something that will provide value to customers. Therefore, an idea marks the beginning of the CDP in CE.
NEW QUESTION # 54
What is the primary benefit of value stream mapping?
- A. It provides insight into organizational efficiency and value flow
- B. It fosters collaboration among development and operations managers
- C. It identifies how to build Agile Release Trains
- D. It creates the hypothesis of which Solution to build
Answer: A
Explanation:
Explanation
The primary benefit of value stream mapping is that it provides insight into organizational efficiency and value flow. Value stream mapping is a lean technique to analyze, design, and manage the flow of materials and information required to bring a product or service to a customer. It uses a system of standard symbols to depict various work streams and information flows, and to identify value-adding and non-value-adding activities.
Value stream mapping helps the organization to gain insight into the current state of the delivery process, such as the lead time, cycle time, throughput, quality, and waste. This insight can help the organization identify bottlenecks, dependencies, handoffs, delays, and inefficiencies that affect the flow of value. Value stream mapping also helps the organization understand how the flow of value can be improved by applying the principles and practices of DevOps, such as culture, automation, lean flow, measurement, and recovery. By improving the flow of value, the organization can increase customer satisfaction, reduce costs, accelerate time-to-market, and enhance business agility
NEW QUESTION # 55
DevOps is a key enabler of continuous delivery.
What does continuous mean in this context?
Choose the correct option from below list
- A. To deploy to production as often as possible and release when the business needs it
- B. To deploy to production and release on cadence every Iteration
- C. To deploy to production multiple times per year and release on a cadence once or twice a year
- D. To deploy to production and release at least once every Program increment
Answer: A
Explanation:
Explanation
Continuous means to deploy to production as often as possible and release when the business needs it in the context of continuous delivery in SAFe DevOps. Continuous delivery is the ability to deliver value to the end user whenever there is a business need. It requires a Continuous Delivery Pipeline (CDP) that supports the integration, automation, and collaboration needed to effectively develop and operate a solution. Continuous delivery enables the enterprise to respond to changing customer needs and market conditions with speed and quality. Continuous delivery does not mean releasing every change to the end user immediately. Rather, it means decoupling deployment from release, and allowing the business to decide when to release the new functionality based on customer demand and economic outcomes1
NEW QUESTION # 56
What is the primary purpose of creating an automated test suite?
Choose the correct option from below list
- A. To increase the return on investment for finding defects
- B. To enable continuous testing
- C. To increase unit test coverage during an Iteration
- D. To eliminate all manual testing
Answer: B
Explanation:
Explanation
The primary purpose of creating an automated test suite is to enable continuous testing in SAFe DevOps.
Continuous testing is the process of executing automated tests as part of the software delivery pipeline to obtain immediate feedback on the business risks associated with a software release candidate. Continuous testing supports the other aspects of the Continuous Delivery Pipeline (CDP) by providing fast and frequent feedback on the quality and compliance of the solution. Continuous testing also reduces the cost and effort of manual testing and increases the confidence and reliability of the solution. Continuous testing requires a test automation strategy that covers all types of tests, such as unit, integration, functional, performance, security, and user acceptance tests
NEW QUESTION # 57
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