Latest [Feb 09, 2024] Scrum SAFe-DevOps Exam Practice Test To Gain Brilliante Result
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NEW QUESTION # 28
What should the team be able to do after current-state mapping?
- A. Define a plan to reduce the lead time and increase Active Time
- B. Define Enabler Features that will improve the Value Stream
- C. Identify those responsible for the biggest bottlenecks in the process
- D. Describe the biggest bottlenecks in the delivery pipeline
Answer: D
Explanation:
Explanation
After conducting current-state mapping in the context of Value Stream Mapping, a team should be able to identify and describe the biggest bottlenecks in the delivery pipeline. Current-state mapping is a process of visualizing the entire flow of a product or service from start to finish, highlighting each step and identifying where delays or inefficiencies occur. By understanding where these bottlenecks are, teams can then work on strategies to improve the overall flow, reduce lead times, and enhance efficiency. This step is crucial for identifying areas for improvement and setting the stage for future actions to optimize the Value Stream.
NEW QUESTION # 29
Which statement describes the Lean startup lifecycle?
- A. Define the hypothesis, build a minimum viable product (MVP), continuously evaluate the MVP while implementing additional Features until WSJF determines work can stop
- B. Define the minimum viable product (MVP), build the MVP, implement Epic Features until all Features are delivered
- C. Create a hypothesis statement, assign an Epic owner, deliver Features created from the Lean business case, deploy
- D. Define a Lean business case, build a minimum viable product, implement the Epic Features until all Features are delivered
Answer: A
Explanation:
Explanation
The statement that describes the Lean startup lifecycle is: Define the hypothesis, build a minimum viable product (MVP), continuously evaluate the MVP while implementing additional Features until WSJF determines work can stop. The Lean startup lifecycle is a highly iterative build-measure-learn cycle that has proven to be effective in optimizing the economic value of strategic investments. It consists of three learning milestones: MVP, tune the engine, and pivot or persevere. The MVP is the smallest possible experiment that allows the enterprise to test the assumptions and hypotheses of an epic or a large initiative. The tune the engine phase involves quickly adjusting and moving towards the goal based on the data and feedback gathered from the MVP. The pivot or persevere phase involves deciding whether to deliver additional value or move on to something more valuable based on the validated learning. The Lean startup lifecycle is supported by the SAFe Lean Startup Cycle, which provides guidance and tools for applying the Lean startup principles in the context of SAFe. The SAFe Lean Startup Cycle includes the following steps:
Define the hypothesis - This step involves creating an epic hypothesis statement that defines the initiative, its expected benefits, and its leading indicators.
Build the MVP - This step involves defining, building, and deploying the MVP that tests the hypothesis and delivers the minimum amount of value to the customer.
Evaluate the MVP - This step involves measuring and analyzing the results of the MVP against the leading indicators and the hypothesis.
Implement additional Features - This step involves developing and delivering additional features or capabilities that enhance the value proposition of the initiative, based on the learning from the MVP.
WSJF determines work can stop - This step involves using the Weighted Shortest Job First (WSJF) prioritization method to determine whether the initiative has delivered enough value to the customer and the enterprise, or whether it needs more investment or termination3
NEW QUESTION # 30
The DevOps Health Radar aligns the four aspects of the Continuous Delivery Pipeline to which four stakeholder concerns?
- A. Portfolio, Solution, ART, team
- B. Alignment, quality, time-to-market, business value
- C. Exploration, integration, development, reflection
- D. Productivity, efficiency, speed-to-market, competitive advantage
Answer: B
Explanation:
Explanation
The DevOps Health Radar aligns the four aspects of the Continuous Delivery Pipeline to four stakeholder concerns: alignment, quality, time-to-market, and business value. The DevOps Health Radar is a tool that helps Agile Release Trains (ARTs) and Solution Trains assess their ability to Release on Demand, which is the process of delivering value to customers whenever there is a business need. The DevOps Health Radar consists of four dimensions that correspond to the four aspects of the Continuous Delivery Pipeline: Continuous Exploration (CE), Continuous Integration (CI), Continuous Deployment (CD), and Release on Demand. Each dimension has four sub-dimensions that reflect the key practices and capabilities that enable the flow of value.
The DevOps Health Radar helps the ARTs and Solution Trains to measure their maturity in each sub-dimension, using a scale of Sit, Crawl, Walk, Run, or Fly. The DevOps Health Radar also helps the ARTs and Solution Trains to identify the gaps and improvement opportunities in their DevOps practices, and to prioritize the next steps toward achieving higher levels of maturity. The DevOps Health Radar aligns the four aspects of the Continuous Delivery Pipeline to four stakeholder concerns, as shown in Figure 1:
Alignment - Alignment is the concern of ensuring that the solution is aligned with the customer needs, market opportunities, and strategic goals of the enterprise. Alignment is achieved by applying the CE aspect, which involves exploring the market and customer problems, defining a vision, roadmap, and set of features for the solution, and validating the assumptions and hypotheses with customer feedback and data.
Quality - Quality is the concern of ensuring that the solution meets the functional and nonfunctional requirements and standards, and that it does not introduce any defects or vulnerabilities. Quality is achieved by applying the CI aspect, which involves developing, testing, integrating, and validating new functionality in preparation for deployment and release.
Time-to-market - Time-to-market is the concern of ensuring that the solution can be delivered and deployed to the production environment as fast and as frequently as possible, without compromising quality or security. Time-to-market is achieved by applying the CD aspect, which involves automating and streamlining the deployment process, and ensuring the stability and reliability of the production environment.
Business value - Business value is the concern of ensuring that the solution delivers the expected outcomes and benefits to the customer and the enterprise, and that it can be adapted and improved based on the changing needs and feedback. Business value is achieved by applying the Release on Demand aspect, which involves releasing new functionality to the customer incrementally or immediately, based on the market demand, and measuring and learning from the results12
1: https://scaledagileframework.com/blog/assess-your-devops-health-with-the-safe-devops-radar/ 2:
https://support.scaledagile.com/s/article/Exam-Study-Guide-SDP-6-0-SAFe-for-DevOps
NEW QUESTION # 31
Which statement is true about DevOps?
- A. It enables low-risk releases and fast recovery with no room for errors
- B. It enables low-risk releases and fast recovery with fast fix-forward
- C. It enables a tolerance for low-risk, low-failure, and rapid recovery
- D. It enables high-risk releases and fast recovery with fast fix-forward
Answer: B
Explanation:
Explanation
The statement that is true about DevOps is that it enables low-risk releases and fast recovery with fast fix-forward. DevOps is a mindset, culture, and set of technical practices that supports the integration, automation, and collaboration needed to effectively develop and operate a solution. DevOps aims to deliver value to customers whenever there is a business need, by applying the principles of continuous delivery, continuous integration, continuous deployment, and release on demand. DevOps also embraces a culture of learning and experimentation, where failures are opportunities for improvement and feedback. DevOps enables low-risk releases by breaking down large and complex changes into smaller and more frequent batches, which are easier to test, deploy, and rollback if needed. DevOps also enables fast recovery by implementing practices such as monitoring, alerting, incident response, and disaster recovery, which help to detect and resolve issues quickly, minimize the impact of failures, and restore normal operations as soon as possible. DevOps also supports the fast fix-forward approach, which means fixing errors in production by deploying new code, rather than rolling back to a previous state. This approach reduces the risk of introducing new errors, preserves the value of the new functionality, and accelerates the learning cycle
NEW QUESTION # 32
What is the purpose of the blue/green deployment pattern?
- A. To decouple deployment from release - xx
- B. To ensure no changes happen in production without going through the Continuous Delivery Pipeline
- C. To deploy between an inactive and active environment
- D. To deploy to only some data centers to reduce the deployment risk
Answer: C
Explanation:
Explanation
The purpose of the blue/green deployment pattern is to deploy between an inactive and active environment.
The blue/green deployment pattern is a change management strategy for software releases that reduces the downtime and risk of deploying new versions of software. The blue/green deployment pattern involves having two identical but separate environments: one is the active environment (blue) that serves the user traffic, and the other is the inactive environment (green) that hosts the new version of the software. The deployment process consists of switching the user traffic from the blue environment to the green environment, after verifying that the new version is working properly. The blue environment can then be kept as a backup or updated to become the next green environment. The blue/green deployment pattern has several benefits, such as:
It allows for fast and reliable rollback, in case of any issues or errors in the new version, by simply switching back to the blue environment.
It eliminates the need for complex and error-prone migration scripts, as the green environment can be prepared and tested in advance, without affecting the blue environment.
It enables testing and experimentation of the new version with a subset of users, by directing some user traffic to the green environment, before switching completely.
It facilitates continuous delivery and deployment, by automating the switching process and reducing the transaction cost and risk of moving changes to production
NEW QUESTION # 33
Which technical practice incorporates build-time identification of security vulnerabilities in the code?
- A. Application security
- B. Penetration testing
- C. Dynamic code analysis
- D. Threat modeling
Answer: C
Explanation:
Explanation
According to the SAFe DevOps Practitioner 6.0 study guide and handbook, dynamic code analysis is a technical practice that incorporates build-time identification of security vulnerabilities in the code. This means that the code is scanned for potential security risks during the compilation or execution phase, rather than during the testing phase. The handbook states that "Dynamic code analysis is a technique that identifies security vulnerabilities in the code during compilation or execution."1 Therefore, dynamic code analysis helps teams detect and fix security issues early in the development process.
NEW QUESTION # 34
Which practice prevents configuration drift between production and non-production environments?
- A. Deployment automation
- B. Immutable infrastructure
- C. Session replay
- D. Self-service deployment
Answer: B
Explanation:
Explanation
One practice that prevents configuration drift between production and non-production environments is immutable infrastructure. Immutable infrastructure is a management approach for infrastructure resources where changes are made by deploying new versions of resources instead of modifying existing ones. In this approach, the infrastructure is treated as an immutable asset that is built, deployed, and disposed of, rather than modified in place. For example, instead of modifying an existing virtual machine (VM), a new VM with updated configurations and software is deployed, and the old VM is disposed of. This approach eliminates the possibility of configuration drift and reduces the risk of introducing unintended changes to the infrastructure. Immutable infrastructure also simplifies the management of infrastructure resources, increases the reliability and security of the infrastructure, and facilitates rapid and consistent deployment
NEW QUESTION # 35
What does Flow Efficiency measure in the Value Stream?
- A. The percentage of time spent on manual activities
- B. The percentage of time spent on value-added activities
- C. The percentage of time spent on delays to the number of processes in the Value Stream
- D. The percentage of time spent on non-value-added activities
Answer: B
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 # 36
What is a core DevOps principle?
- A. Lean Budgets
- B. Culture
- C. Iteration review
- D. Servant leadership
Answer: B
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 # 37
Which skill can significantly accelerate mean-time-to-restore by enabling support teams to see issues the way actual end users did?
- A. Blue/green deployment
- B. Session replay
- C. Page analytics
- D. Incident management
Answer: B
Explanation:
Explanation
One skill that can significantly accelerate mean-time-to-restore by enabling support teams to see issues the way actual end users did is session replay. Session replay is a technique that allows the support team to replay end-user sessions to research incidents and identify problems. Session replay captures the user's interactions with the application, such as clicks, scrolls, keystrokes, and mouse movements, and reproduces them in a video-like format. Session replay can help the support team to understand the user's behavior, context, and feedback, as well as to reproduce and diagnose errors, bugs, and performance issues. Session replay can also help the support team to communicate and collaborate with the development team and the stakeholders, by providing visual evidence and data of the incidents. Session replay can significantly accelerate mean-time-to-restore by reducing the time and effort required to investigate and resolve issues, as well as by improving the quality and reliability of the application
NEW QUESTION # 38
The Continuous Exploration aspect primarily supports which key stakeholder objective?
- A. Hypothesize
- B. Alignment
- C. Research and development
- D. Business value
Answer: B
Explanation:
Explanation
The Continuous Exploration aspect in SAFe primarily supports the key stakeholder objective of aligning business and technology. This phase focuses on exploring market needs and defining solutions that deliver the most significant customer and business value within the constraints of technology and feasibility. It helps ensure that the development efforts are in sync with business goals and market demands, thereby fostering alignment between various stakeholders..
NEW QUESTION # 39
Which statement describes what could happen when development and operations do not collaborate early in the pipeline?
- A. Surprises are found in deployment that lead to significant rework and delay
- B. Teams build things quickly but build the wrong things
- C. Automation of integration test is not possible
- D. Flow times are reduced
Answer: A
Explanation:
Explanation
According to the SAFe DevOps Practitioner 6.0 study guide and handbook, when development and operations do not collaborate early in the pipeline, surprises are found in deployment that lead to significant rework and delay. This means that the teams may not have a shared understanding of the quality, performance, and security requirements of the Solution, and may encounter issues that were not anticipated or tested. The handbook states that "When development and operations do not collaborate early in the pipeline, surprises are found in deployment that lead to significant rework and delay."1 Therefore, it is important for teams to work together throughout the value stream to ensure continuous delivery.
NEW QUESTION # 40
What is the first area that should be identified in Value Stream Mapping?
- A. The bottlenecks
- B. The steps
- C. Active Time, Flow Time. and Percent Complete and Accurate (%C&A)
- D. The people who supervise the work
Answer: B
NEW QUESTION # 41
What does Value Stream Mapping help reveal in the Continuous Delivery Pipeline?
- A. Who is responsible for optimizing the Value Stream
- B. DevOps practices that will improve the Value Stream
- C. Where automation is needed
- 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 # 42
Feature toggles are useful for which activity?
- A. To enable continuous testing
- B. To enable continuous code integration
- C. To accelerate the deployment process
- D. To decouple deployment from release
Answer: D
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 # 43
What is the primary purpose of creating an automated test suite?
Choose the correct option from below list
- A. To increase unit test coverage during an Iteration
- B. To increase the return on investment for finding defects
- C. To eliminate all manual testing
- D. To enable continuous testing
Answer: D
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 # 44
What is an element of CALMR?
- A. Recovery
- B. Application security
- C. Compliance
- D. Metrics
Answer: A
Explanation:
Explanation
According to the SAFe DevOps Practitioner 6.0 study guide and handbook, recovery is an element of CALMR. This means that recovery is the ability to restore the Solution to a desired state after a failure or incident. The handbook states that "Recovery is the ability to restore the Solution to a desired state after a failure or incident."1 Therefore, recovery is one of the key aspects of DevOps excellence that enables continuous delivery.
NEW QUESTION # 45
What is the recommended way to prioritize improvement items for the DevOps transformation?
Choose the correct options from below list
- A. Minimum Viable Product
- B. Weighted Shortest Job First
- C. Lean business Case
- D. Minimum marketable feature
Answer: B
Explanation:
Explanation
The recommended way to prioritize improvement items for the DevOps transformation is to use Weighted Shortest Job First (WSJF). WSJF is a prioritization model that considers the cost of delay, job size, and economic value of each improvement item. It helps to identify the most urgent and valuable items that can be delivered in the shortest amount of time
NEW QUESTION # 46
How should developers integrate refactoring into their workflow?
Choose the correct option from below list
- A. Create and estimate refactoring tasks for each Story in the Team Backlog
- B. Refactor continuously as part of test-driven development
- C. Allocate a portion of their capacity to refactoring in every Iteration
- 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 # 47
How frequently should Agile Release Trains release?
Choose the correct option from below list
- A. On demand
- B. One per PI
- C. Continuously
- D. Once per iteration
Answer: A
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 # 48
Who is responsible for ensuring quality is built into the code in SAFe?
- A. Testers - xx
- B. Developers
- C. Agile Teams
- D. Product Owners
Answer: C
Explanation:
Explanation
Agile Teams are responsible for ensuring quality is built into the code in SAFe. SAFe is a framework for scaling agile practices across the enterprise, based on the principles of Lean, Agile, and DevOps. SAFe organizes the enterprise into Agile Release Trains (ARTs), which are teams of Agile Teams that deliver value in a regular cadence. Agile Teams are the fundamental building blocks of SAFe, and they are cross-functional, self-organizing, and self-managing teams that deliver value in short iterations. Agile Teams are responsible for ensuring quality is built into the code in SAFe, by applying the following practices:
Test-first - Test-first is a practice that involves writing tests before writing code, to ensure that the code meets the requirements and standards, and does not introduce any defects or vulnerabilities. Test-first helps to improve the design and maintainability of the code, and to accelerate the feedback and validation process. Test-first can be implemented using various techniques, such as Test-Driven Development (TDD), Behavior-Driven Development (BDD), or Acceptance Test-Driven Development (ATDD).
Built-in quality - Built-in quality is a practice that involves applying quality standards and checks throughout the solution lifecycle, rather than inspecting quality after the fact. Built-in quality helps to prevent defects from escaping to downstream stages or customers, and to reduce the cost and risk of rework and waste. Built-in quality can be achieved using various methods, such as code quality and security analysis, code review, pair programming, refactoring, and continuous testing.
Continuous testing - Continuous testing is a practice that involves automating and executing tests at every stage of the Continuous Delivery Pipeline, to verify that the solution meets the functional and nonfunctional requirements and standards, and to detect and resolve any issues or defects as early as possible. Continuous testing helps to ensure the reliability and performance of the solution, and to support the delivery and deployment of value to the customer. Continuous testing can be performed using various tools and frameworks, such as unit testing, integration testing, system testing, acceptance testing, performance testing, and security testing
NEW QUESTION # 49
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