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DASA Devops: Questions With Precise
Solutions
How does the DevOps approach enable an organization to increase speed to market and gain competitive edge? A. DevOps allows teams to spend more time on technical innovation while maintaining stability and quality. B. DevOps enables an organization to go from an initial concept to a viable product in a shorter timescale than was traditionally acceptable with a Waterfall approach. C. DevOps makes you more aware of the challenges that each department faces on a day-to-day basis and helps understand the needs of the business. D. The environment and culture of DevOps encourage a deeper understanding and implementation of best practices in an organization. Right Ans - B. DevOps enables an organization to go from an initial concept to a viable product in a shorter timescale than was traditionally acceptable with a Waterfall approach. Which goals will you consider when building a business case for a DevOps organization?
- Expanding market share by acquisition of a large competitor
- Improving collaboration between all layers of your organization
- Increasing overall stability of your IT systems
- Reducing the amount of failures introduced during the software development lifecycle A. 1, 2, and 3 B. 1, 3, and 4 C. 1, 2, and 4 D. 2, 3, and 4 Right Ans - D. 2, 3, and 4 Continuous Integration and Delivery practices can increase the frequency of deploying source code into production. What is the
increased frequency according to the 2015 State of DevOps survey by PuppetLabs? A. 2 times B. 5 times C. 30 times D. 100 times Right Ans - C. 30 times In a traditional organization, Development and Operations teams face various communication challenges. Which is a proven tactic for the Development team to enable the Operations team to solve known issues without any delays? A. Developing and sharing knowledge articles B. Sharing their experience of the Production environment C. Sharing the required information to perform the same work D. Taking the responsibility of solving any issues raised by the clients Right Ans - A. Developing and sharing knowledge articles Why does "Wall of Confusion" exist between Development and Operations in traditional IT organizations? A. Developers do not allow Operations' people to visit them during office hours. B. The Operations team do not participate in meetings organized by the Development team. C. The Development (Stability) and Operations (Change) teams have different priorities and goals. D.Some rogue developers diffuse the role of Operations by building their own cloud-based platforms Right Ans - C. The Development (Stability) and Operations (Change) teams have different priorities and goals What are the challenges between the Development and Operations teams in a traditional organizations?
- Blame game between Dev and Ops
- Different tools used between Dev and Ops
- No feedback loop between Dev and Ops
B. Continuous improvement C. Create with the end in mind D. Customer-centric action Right Ans - D. Customer-centric action Which DevOps principle focuses on product and service thinking? A. Automate everything you can B. Create with the end in mind C. Continuous Improvement D. Customer-centric action Right Ans - B. Create with the end in mind Which DevOps principle appreciates measuring processes, people, and tools? A. Continuous improvement B. Create with the end in mind C. Cross-functional autonomous teams D. End-to-end responsibility Right Ans - A. Continuous improvement What is required to have fully autonomous teams throughout the lifecycle of a product? A. Balanced set of knowledge and skills B. End-to-end responsibility C. Risk taking ability D. Transparency Right Ans - A. Balanced set of knowledge and skills What are the key characteristics of "End-to-End Responsibility" in a DevOps context?
- Complementary skills
- Concept to grave
- Engineering mindset
- Performance support
- Automate everything you can
A. 1 and 5 B. 1, 2, and 5 C. 2 and 4 D. 2, 3, and 5 Right Ans - C. 2 and 4 Which tasks will you do to apply DevOps principle "Create with the End in Mind"?
- Avoid Waterfall and process-oriented models.
- Create a detailed product roadmap for the coming 3 years.
- Strive towards the delivery of MVPs.
- Optimize speed, cost, and ease of delivering.
- Bring software into production, multiple times a day without hassle. A. 1 and 3 B. 1, 3, and 4 C. 2 and 3 D. 2, 3, and 5 Right Ans - A. 1 and 3 Which Lean principle is explained by the "Just-in-Time" approach? A. Flow B. Perfection C. Pull D. Value Stream Right Ans - A. Flow Which are the characteristics of Agile thinking?
- Encouraging fixed functionality, and flexible resources and time
- Prioritizing user stories
- Producing working software
- Working in short iterations A. 1, 2, and 3 B. 1, 3, and 4
C. Continuous Delivery D. Continuous Improvement Right Ans - D. Continuous Improvement What is culture? A. Behavior, mindset, and values of an organization B. Performance level of the people in organization C. Processes and tools of an organization D. Organizational structure and division Right Ans - A. Behavior, mindset, and values of an organization What is the core of a DevOps culture? A. People Mindset B. Process Mindset C. Service Mindset D. Performance Mindset Right Ans - C. Service Mindset What are the three key aspects that can motivate anyone, according to Daniel Pink? A. Autonomy, Mastery, and Purpose B. Challenges, Opportunities, and Control C. Learning, Development, and Recognition D. Self-development, Self-esteem, and Self-actualization Right Ans - A. Autonomy, Mastery, and Purpose What are the characteristics of a product developed with the Service Mindset?
- Customers are often unhappy.
- Customers' feedback is incorporated frequently.
- Errors are identified late in the process.
- Solving problems is expensive.
- The product has quality at the source. A. 1, 2, and 5 B. 2 and 5 C. 2, 4, and 5
D. 3 and 5 Right Ans - B. 2 and 5 How does the Service Mindset help a DevOps team?
- Developing high quality products
- Providing continuous support to the customers throughout the product lifecycle
- Encouraging integral responsibility among the team members
- Ensuring team members to become specialists
- Advocating digital and automated product delivery A. 1, 2, and 3 B. 1, 2, 3, and 4 C. 1, 2, 3, and 5 D. 1, 2, 4, and 5 Right Ans - A. 1, 2, and 3 Select the suitable option considering the following assertion and the reason: Assertion: DevOps teams are set up organizationally and technologically so that they are as independent as possible. Reason: The independent nature of DevOps teams helps them gain significant mastery to act on behalf of their customers. A. Assertion is correct, but Reason is incorrect. B. Both, Assertion and Reason, are correct. However, Reason does not support Assertion. C. Both, Assertion and Reason, are correct. However, Reason partially supports Assertion. D. Both, Assertion and Reason, are correct. In addition, Reason strongly supports the Assertion. Right Ans - A. Assertion is correct, but Reason is incorrect. Which phase of the DMAIC method includes defining and testing hypotheses for a given problem? A. Analyze B. Define C. Improve D. Measure Right Ans - A. Analyze
B. 1. Explain what it does to you.
- Describe concrete observations.
- Wait and listen to clarifying questions.
- Give concrete suggestions OR recognition/incentive. C. 1. Wait and listen to clarifying questions.
- Explain what it does to you.
- Describe concrete observations.
- Give concrete suggestions OR recognition/incentive. D. 1. Wait and listen to clarifying questions.
- Give concrete suggestions OR recognition/incentive.
- Describe concrete observations.
- Explain what it does to you. Right Ans - A. 1. Describe concrete observations.
- Explain what it does to you.
- Wait and listen to clarifying questions.
- Give concrete suggestions OR recognition/incentive. How can leaders help develop a safe environment in an organization? A. Telling the employees to bring innovation and creativity B. Offering continuous support to customers C. Sharing a good mission statement D. Taking large steps when carrying out experiments to ensure quick results Right Ans - C. Sharing a good mission statement What is a key behavior within Mission Command? A. Centralization B. Compliance C. Cooperation D. Obedience Right Ans - C. Cooperation What characteristics should an organization adopt to become a DevOps organization?
- Close to the customer
- Creative action
- Individual thinking
- Fail fast
- Problem avoidance
- Specialist roles A. 1, 2, and 4 B. 1, 2, and 6 C. 2, 3, and 4 D. 2, 4 and 5 Right Ans - A. 1, 2, and 4 Which tool can help understand how the desired behaviors and mindset in your organization are developing? A. Feedback Model B. Service Mindset C. Tracking Sheet D. Visual Management Right Ans - C. Tracking Sheet You have been assigned the task of helping a group of engineers to become a DevOps team. You already know that you need to work on creating a common culture. What will be your first step to accomplish the task? A. Create a checklist for developing a DevOps culture. B. Ask the IT Management team for a set of rules for creating a DevOps culture. C. Visit other IT organizations that have already developed a DevOps culture and borrow their checklists for developing a DevOps culture. D. Bring the team members together and ask them how they will embed the cultural principles. Right Ans - D. Bring the team members together and ask them how they will embed the cultural principles. Your IT organization is in the early phases of using DevOps principles. Your team does not have sufficient knowledge of databases. Though, a Database Expert provides support to
An organization maintains an independent and autonomous team for each of its services. What is a disadvantage of this type of organization structure? A. Dependencies among different teams is high. B. Implementation of changes within a team is slow. C. Reuse of knowledge and skills within the organization is limited. D. Waiting time for processing the service request is high. Right Ans - C. Reuse of knowledge and skills within the organization is limited. Conway's law states that "Organizations which design systems are constrained to produce designs which are copies of the communication structures of these organizations". The same is also applicable for the design and delivery of IT services. What kind of organizational model is preferred to overcome this problem from a DevOps viewpoint? A. Automate everything to take the waste out of processes inefficiencies. B. Build teams around specific IT skills and optimize handovers between teams. C. Focus on building an organization with effective service management processes. D. Organize themselves around multiple small teams that are responsible for (part of a) services. Right Ans - D. Organize themselves around multiple small teams that are responsible for (part of a) services. An organization maintains autonomous teams for each of its services. All these teams can develop and maintain their applications on a common platform, which is maintained by a Platform team. The platform services are offered through self- service and automation. What is an advantage of this organization structure?
A. The autonomous teams and Platform team are jointly responsible for the quality of service. B. The infrastructure can be reused without impacting the autonomy of different teams. C. The platform services are offered through automation and so do not require much maintenance. D. The responsibilities of all the services is held by one team, the Platform team. Right Ans - B. The infrastructure can be reused without impacting the autonomy of different teams. Which of the following are the characteristics of an activity- focused siloed organization?
- Resources are specialty oriented, which means they perform one specific task in a chain of events.
- The organization is optimized for (process) speed/lowering cycle-time for a product.
- Resources work on projects with a beginning and an end and resources can be assigned to multiple projects at once.
- Resources are part of a team that is related to the product throughout its entire lifecycle ('you build it, you run it'). A. 1 and 3 B. 1 and 4 C. 2 and 3 D. 2 and 4 Right Ans - A. 1 and 3 Which of the following are the characteristics of an product- focused organization?
- Resources work on projects with a beginning and an end and resources can be assigned to multiple projects at once.
- Resources are organized in a team which is responsible for a product that an organization delivers or maintains.
- The organization is optimized for (process) speed/lowering cycle-time for a product.
- The organization is optimized for resource utilization. A. 1 and 3
In DevOps, the Business System teams are structured around what characteristic? A. The geographic location of the team members B. The handover of responsibility and accountability C. Distinct services and products D. Similar skills and knowledge of the team members Right Ans - C. Distinct services and products For Business System teams that resemble a mini-startup, which lean principle should be applied to stimulate learning? A. Continuous Deployment B. Innovation Accounting C. Minimum Viable Product D. Split Testing Right Ans - C. Minimum Viable Product For setting up autonomous Business System teams and Platform team, the analysis of customers, technology stack, and required knowledge/skills is required. What does technology stack includes? A. The different technologies used by the Business System teams and the Platform team B. The areas of responsibility for the Business System teams and the Platform team C. The team structure based on different technology domains such as networking and database administration. D. The technology inputs from different Business System teams Right Ans - B. The areas of responsibility for the Business System teams and the Platform team Why is it important to know exactly who the customer is when setting up a Business Service Team? A. To understand the scope of the technology responsibility of the team B. To know what kind of work the team will be handling
C. To determine what value should be delivered by the team. D. To establish the required mix of skills and knowledge for the team Right Ans - C. To determine what value should be delivered by the team. For setting up autonomous teams, what is the appropriate mix of aspects that should be considered? A. Customer to be served, Processes to be followed, Number of teams to be set up B. Customer to be served, Services to be delivered, Units-of-work to be processed C. Services to be delivered, Processes to be followed, Units-of work to be processed D. Services to be delivered, Units-of work to be processed, Number of teams to be set up Right Ans - B. Customer to be served, Services to be delivered, Units-of-work to be processed The decoupling point within the technology stack is a major factor in establishing autonomy for the Business System teams. What does "decoupling point" defines with reference to DevOps teams, such as Business System Teams and Platform Teams? A. Defines the demarcation of services between the different Business System teams. B. Defines the demarcation of responsibility between the Business System teams and the Platform team C. Defines the units-of-work assigned to different Business System teams. D. Defines the differences in customer requirements to segregate services based on requirements Right Ans - B. Defines the demarcation of responsibility between the Business System teams and the Platform team The development of new software and IT services consist of functional and non-functional requirements. When should the non-functional requirements be addressed in the development process to deliver software and service faster and better?
by random termination of instances to check for the resiliency of a system. What is the reason behind this usage? A. To speed up deployment of new systems. B. To test the developed best-practices to deal with know and severe issues C. To develop more resilient processes, tools, and capabilities D. To guard the correct configuration of the IT infrastructure. Right Ans - C. To develop more resilient processes, tools, and capabilities What is correct about the Strangler Application approach for modifying legacy applications? A. Involves frequent releases to develop new functionalities in the system B. Is aimed at development of Cloud services C. Often generate lot of unnecessary features and make the system complex D. Re-architects the complete system in one cycle Right Ans - A. Involves frequent releases to develop new functionalities in the system In large organizations, often there is a need to coordinate the work across multiple teams who jointly develop new services. Large body of work are broken down into smaller chunks, which can be performed by individual teams. What is a best practice to jointly develop the products/services successfully? A. Automate the develop process as much as possible B. Disciplined way of developing with extensive (integration) testing per sprint C. Prioritization of Epics based on preference of individual teams D. Strong focus on autonomous building, with integration testing done at a later state Right Ans - B. Disciplined way of developing with extensive (integration) testing per sprint When is there a need for a Scrum of Scrums meeting in an organization?
A. When multiple teams are jointly involved in the execution of a project B. When customer demand keeps changing during a sprint C. When the involved teams can deliver their value fully autonomous D. When the team resources need to be assigned to multiple projects Right Ans - A. When multiple teams are jointly involved in the execution of a project What is the continuously evolving and ordered list of requirements and topics, required for achieving optimal product value, called? A. Epics B. Feature Sets C. Product Backlog D. Sprint Backlog Right Ans - C. Product Backlog Which tool uses a simple set of rules to introduce Agility to an organization? A. Kanban B. Scrum C. Story Mapping D. Value Stream Mapping Right Ans - B. Scrum What is Kanban? A. A simple set of rules to introduce Agility in an organization B. A tool to visualize build-up of work C. A Waterfall like approach D. An open development framework Right Ans - B. A tool to visualize build-up of work Which option performs product increments within short iterations and is also considered to be an open development framework?
