May 05, 2024 Newest SAFe-DevOps Exam Dumps – Achieve Success in Actual SAFe-DevOps Exam
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NEW QUESTION # 16
What is a core DevOps principle?
- A. Lean Budgets
- B. Iteration review
- C. Servant leadership
- D. Culture
Answer: D
Explanation:
Explanation
Culture is a core DevOps principle. DevOps is not only a set of technical practices, but also a mindset and a culture that supports the integration, automation, and collaboration needed to effectively develop and operate a solution. DevOps culture is based on the following values and behaviors:
Shared responsibility - DevOps culture fosters a sense of shared ownership and accountability for the entire solution lifecycle, from ideation to operation. Development and operations teams work together, not only to help each other, but also to ensure that the overall organization succeeds. DevOps culture eliminates the blame game and the silo mentality, and encourages mutual trust and respect among all stakeholders.
Continuous learning - DevOps culture promotes a culture of continuous learning and improvement, where teams are constantly seeking feedback, experimenting with new ideas, and learning from failures.
DevOps culture embraces a growth mindset, where teams are not afraid to try new things, challenge the status quo, and learn from their mistakes. DevOps culture also supports a learning organization, where teams share their knowledge and best practices, and leverage the collective intelligence of the whole enterprise.
Customer focus - DevOps culture emphasizes the importance of delivering value to the customer, and aligning the solution to the customer needs and expectations. DevOps culture applies customer-centric and design thinking approaches, such as personas, empathy maps, and customer journeys, to understand and empathize with the customer problems and desires. DevOps culture also validates the assumptions and hypotheses about the customer value proposition, by collecting and analyzing data and feedback from the customer.
Automation - DevOps culture leverages automation to improve the efficiency, quality, and reliability of the solution delivery process. DevOps culture applies automation to various aspects of the Continuous Delivery Pipeline, such as testing, integration, deployment, monitoring, and security. DevOps culture also uses automation to reduce manual work, eliminate human errors, and accelerate feedback loops5
NEW QUESTION # 17
Feature toggles are useful for which activity?
- A. To enable continuous code integration
- B. To decouple deployment from release
- C. To accelerate the deployment process
- D. To enable continuous testing
Answer: B
Explanation:
Explanation
According to the SAFe DevOps Practitioner 6.0 study guide1, feature toggles are useful for decoupling deployment from release. Feature toggles are a technique that allows code to be turned "on" or "off" without needing additional deployment. Feature toggles enable teams to experiment with different features, validate their assumptions, and learn from their failures without affecting the rest of the system. Feature toggles also help 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, feature toggles are useful for decoupling deployment from release, which is an aspect of the Continuous Delivery Pipeline that releases new functionality immediately or incrementally based on business and customer needs2.
NEW QUESTION # 18
How should developers integrate refactoring into their workflow?
Choose the correct option from below list
- A. Allocate a portion of their capacity to refactoring in every Iteration
- B. Refactor continuously as part of test-driven development
- C. Create and estimate refactoring tasks for each Story in the Team Backlog
- D. Create and estimate refactoring Stories in the Team Backlog
Answer: D
Explanation:
Explanation
Refactoring is the activity of improving the internal structure or operation of a code or component without changing its external behavior. The goal of software development is the continuous delivery of business value to users and stakeholders. Constantly changing technology and evolving business objectives make maintaining and continuously increasing business value difficult. Refactoring enables an emergent design, ensuring the system continues to meet future business needs. Refactors are a particular type of Enabler story in SAFe, and, like any other Story, they must be estimable, verifiable, and valuable, as well as accepted by the Product Owner. SAFe emphasizes the importance of keeping all work visible, including refactoring. Like user value work, refactoring must be planned for, estimated, and prioritized. Therefore, developers should create and estimate refactoring Stories in the Team Backlog, and work on them according to their WSJF1
NEW QUESTION # 19
Which practice appears under the Respond activity?
- A. Site Reliability
- B. Rollback
- C. Telemetry
- D. Service virtualization
Answer: B
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 # 20
What is the purpose of Value Stream Mapping?
- A. To create an understanding of the budget
- B. To understand the priorities of the Product Owner (PO)
- C. To create an action plan for continuous improvement
- D. To deliver incremental value in the form of working tested software and systems
Answer: C
Explanation:
Explanation
The purpose of Value Stream Mapping is to create an action plan for continuous improvement. This tool is used to visually map the flow of steps, delays, and information required to deliver a product or service from start to finish. By identifying and understanding these elements, organizations can pinpoint inefficiencies and areas for improvement in their processes, ultimately leading to enhanced performance and value delivery.
NEW QUESTION # 21
What are two important items to monitor in production to support the Release on Demand aspect in SAFe?
(Choose two.)
- A. Business value
- B. Percent Complete and Accurate (%C&A)
- C. Unit test coverage
- D. Number of concurrent users
- E. System performance
Answer: D,E
Explanation:
Explanation
Two important items to monitor in production to support the Release on Demand aspect in SAFe are the number of concurrent users and the system performance. The number of concurrent users is the number of users who are accessing the system at the same time. It is an indicator of the demand and popularity of the system, as well as the potential load and stress on the system resources. The system performance is the measure of how well the system responds to user requests and meets the nonfunctional requirements, such as availability, reliability, scalability, and security. Monitoring the number of concurrent users and the system performance helps to support the Release on Demand aspect in SAFe by providing valuable information for the following purposes:
To optimize the release strategy and timing, based on the user behavior and preferences To ensure the system can handle the expected and unexpected user traffic, and to scale up or down the system resources as needed To detect and resolve any issues or incidents that may affect the user experience and satisfaction To evaluate the impact and value of the released features, and to identify areas for improvement or innovation 5
NEW QUESTION # 22
What does Value Stream Mapping help reveal in the Continuous Delivery Pipeline?
- A. DevOps practices that will improve the Value Stream
- B. Where automation is needed
- C. Who is responsible for optimizing the Value Stream
- D. Bottlenecks to the flow of value
Answer: D
Explanation:
Explanation
According to the SAFe DevOps Practitioner 6.0 study guide and handbook, Value Stream Mapping helps reveal bottlenecks to the flow of value in the Continuous Delivery Pipeline. This means that Value Stream Mapping helps teams identify and eliminate any activities or processes that slow down or stop the delivery of value to customers. The handbook states that "Value Stream Mapping helps reveal bottlenecks to the flow of value in the Continuous Delivery Pipeline."1 Therefore, Value Stream Mapping helps teams optimize their value stream and improve their delivery performance.
NEW QUESTION # 23
Which practice helps developers deploy their code into production?
- A. Continuous Deployment
- B. Deployment automation
- C. Infrastructure as code
- D. Self-service deployment
Answer: A
Explanation:
Explanation
According to the SAFe DevOps Practitioner 6.0 study guide and handbook, Continuous Deployment is a practice that helps developers deploy their code into production. This means that Continuous Deployment involves moving changes from the staging environment to the production environment, without requiring manual intervention or approval. The handbook states that "Continuous Deployment is the practice of moving changes from the staging environment to the production environment, without requiring manual intervention or approval."1 Therefore, Continuous Deployment enables teams to deliver value to customers faster and more reliably.
NEW QUESTION # 24
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 # 25
What is the primary benefit of value stream mapping?
- A. It fosters collaboration among development and operations managers
- B. It provides insight into organizational efficiency and value flow
- C. It identifies how to build Agile Release Trains
- D. It creates the hypothesis of which Solution to build
Answer: B
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 # 26
What does Flow Efficiency measure in the Value Stream?
- A. The percentage of time spent on delays to the number of processes in the Value Stream
- B. The percentage of time spent on manual activities
- C. The percentage of time spent on value-added activities
- D. The percentage of time spent on non-value-added activities
Answer: C
Explanation:
Explanation
The correct answer is B. Flow Efficiency measures the percentage of time spent on value-added activities in the Value Stream. A Value Stream is a sequence of activities that deliver value to the customer, from concept to cash. Value-added activities are those that directly contribute to the customer value proposition, such as coding, testing, and deploying. Non-value-added activities are those that do not directly contribute to the customer value proposition, such as waiting, handoffs, rework, and approvals. Flow Efficiency is calculated by dividing the total time spent on value-added activities by the total flow time, which is the time elapsed from when a work item enters the Value Stream to when it is delivered to the customer. Flow Efficiency is a metric that helps to identify and eliminate waste and delays in the Value Stream, and to optimize the flow of value to the customer. Flow Efficiency can be improved by applying the principles and practices of DevOps, such as reducing batch size, limiting work in progress, implementing pull systems, managing queue lengths, reducing handoffs, implementing Work in Process (WIP) visualization, and implementing Work in Process (WIP) feedback
NEW QUESTION # 27
Weighted shortest job first (WSJF) is applied to backlogs to identify what?
- A. Proxy for job size
- B. Relative economic value
- C. User business value
- D. Epics, Features, and Capabilities
Answer: B
Explanation:
Explanation
According to the SAFe DevOps Practitioner 6.0 study guide and handbook, Weighted Shortest Job First (WSJF) is applied to backlogs to identify relative economic value. This means that the WSJF algorithm uses factors such as user and business value, time criticality, risk reduction and/or opportunity enablement, and job size to rank the jobs in the backlog based on their economic benefit. The handbook states that "WSJF is estimated as the relative cost of delay divided by the relative job duration."1 Therefore, WSJF helps teams prioritize their backlog items for continuous delivery.
NEW QUESTION # 28
What work is performed in the Build activity of the Continuous Delivery Pipeline?
- A. Automated acceptance testing
- B. Code review
- C. Code
- D. Compile
Answer: D
Explanation:
Explanation
The correct answer is B. Compile. The Build activity of the Continuous Delivery Pipeline is responsible for creating deployable binaries and merging development branches into the trunk. The Build activity includes the following practices:
Compile - Compile is the process of transforming the source code into executable code that can run on a specific platform or environment. Compile involves checking the syntax, semantics, and dependencies of the code, and resolving any errors or conflicts. Compile also involves linking the code with other libraries or components that are required for the functionality of the solution.
Package - Package is the process of bundling the compiled code and other resources into a format that can be easily deployed to the target environment. Package involves creating archives, containers, or installers that contain the necessary files and metadata for the deployment process. Package also involves applying versioning and configuration information to the packages, to ensure traceability and consistency.
Verify - Verify is the process of ensuring that the code and packages meet the quality standards and security checks, and that they are ready for deployment and release. Verify involves applying automated tools and processes, such as static code analysis, code coverage, code review, and code quality metrics, to detect and resolve any issues or vulnerabilities in the code and packages. Verify also involves ensuring compliance with the coding standards and guidelines, and documenting the results and feedback of the verification process12
NEW QUESTION # 29
How frequently should Agile Release Trains release?
Choose the correct option from below list
- A. Continuously
- B. On demand
- C. One per PI
- D. Once per iteration
Answer: B
Explanation:
Explanation
Agile Release Trains (ARTs) should release on demand, which means releasing new functionality immediately or incrementally based on business and customer needs. Release on demand is the final aspect of the Continuous Delivery Pipeline (CDP) in SAFe DevOps, which enables the delivery of value to the end user as fast as possible, based on market demand. The decision of what and when to release is a critical economic driver that requires careful consideration of the customer needs, market rhythms, and economic outcomes. Release on demand is decoupled from the Continuous Deployment activity, which automates the migration of new functionality from a staging environment to production, where it is made available for release
NEW QUESTION # 30
Which two areas should be monitored in the Release on Demand aspect to support DevOps and Continuous Delivery? (Choose two.)
- A. Agile Release Train velocity
- B. Build status
- C. Deployment cycle time
- D. Full-stack system behavior
- E. Business Metrics
Answer: B,C
Explanation:
Explanation
Two areas that should be monitored in the Release on Demand aspect to support DevOps and Continuous Delivery are the build status and the deployment cycle time. The build status is the measure of whether the code and components can be successfully compiled, linked, packaged, and verified into deployable binaries.
The build status indicates the quality and consistency of the code and the readiness for deployment.
Monitoring the build status helps to support the Release on Demand aspect in SAFe by providing valuable information for the following purposes:
To identify and fix any errors or defects that may prevent the code from being deployed or released To ensure that the code meets the quality standards and security checks, such as static code analysis, code coverage, and code review To verify that the code and components are integrated and merged correctly into the trunk To track the progress and status of the features and capabilities that are being developed and delivered The deployment cycle time is the measure of how long it takes to deploy the code and components from the source control system to the production environment. The deployment cycle time indicates the efficiency and reliability of the deployment process and the speed of delivery. Monitoring the deployment cycle time helps to support the Release on Demand aspect in SAFe by providing valuable information for the following purposes:
To optimize the deployment process and reduce the lead time and variability To automate the deployment process and eliminate manual steps and errors To align the deployment process with the market demand and release strategy To evaluate the impact and value of the deployed features and capabilities 7
NEW QUESTION # 31
What are two aspects of the Continuous Delivery Pipeline, in addition to Continuous Integration? (Choose two.) Choose the correct option from below list
- A. Continuous Deployment
- B. Continuous Exploration
- C. Continuous Improvement
- D. Continuous Testing
- E. Continuous Release
Answer: A,B
Explanation:
Explanation
In addition to Continuous Integration, two other aspects of the CDP are Continuous Deployment and Continuous Exploration. Continuous Deployment automates the migration of new functionality from a staging environment to production, where it is made available for release. Continuous Deployment enables the ability to release value at any time, in a sustainable way. Continuous Exploration focuses on creating alignment on what needs to be built, using design thinking and hypothesis-driven development. Continuous Exploration enables the discovery of the most valuable solutions for the customers and the enterprise
NEW QUESTION # 32
Which DevOps principle focuses on identifying and eliminating bottlenecks in the Continuous Delivery Pipeline?
- A. Measurement
- B. Lean flow
- C. Automation
- D. Recovery
Answer: B
Explanation:
Explanation
Lean flow is the DevOps principle that focuses on identifying and eliminating bottlenecks in the Continuous Delivery Pipeline. Lean flow is the application of Lean thinking and principles to optimize the flow of value from ideation to delivery. Lean flow aims to reduce waste, increase efficiency, and deliver value faster and more reliably. Lean flow involves the following practices:
Reducing batch size - Breaking down large batches of work into smaller, more manageable pieces that can be delivered more frequently and with less risk.
Limiting work in progress (WIP) - Restricting the amount of work that can be started or in flight at any given time, to avoid overloading the system and creating queues and delays.
Implementing pull systems - Aligning the production and consumption of work by allowing downstream customers to pull work from upstream suppliers when they are ready, rather than pushing work based on forecasts or schedules.
Managing queue lengths - Monitoring and controlling the amount of work waiting to be processed at each stage of the value stream, to reduce lead time and variability.
Reducing handoffs - Minimizing the number of transitions and dependencies between different teams or individuals, to avoid communication gaps, context switching, and rework.
Implementing Work in Process (WIP) visualization - Making the work and its status visible to all stakeholders, using tools such as Kanban boards, Cumulative Flow Diagrams (CFDs), and Value Stream Maps (VSMs), to enable collaboration, coordination, and improvement.
Implementing Work in Process (WIP) feedback - Establishing fast and frequent feedback loops within and across the value stream, using tools such as automated testing, monitoring, and metrics, to detect and resolve issues, validate assumptions, and learn from outcomes3
NEW QUESTION # 33
What is trunk-based development?
- A. Each developer maintains a separate branch
- B. Teams with similar dependencies create one single branch for the team's work
- C. Every team works in their own trunk
- D. All teams committing their code into one trunk
Answer: D
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 # 34
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