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Exam Code: JN0-222 Automation and DevOps, Associate (JNCIA-DevOps) guide June 2023 by Killexams.com team
Automation and DevOps, Associate (JNCIA-DevOps)
Juniper (JNCIA-DevOps) guide

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Automation and DevOps, Associate (JNCIA-DevOps)
Question: 34
Referring to the exhibit, which statement is correct?
A. The RPC execution output is saved to a file on the Ansible control machine
B. The RPC execution output is not saved
C. The RPC execution output is saved to a file on R1
D. The RPC execution output is saved to memory on R1
Answer: B
Question: 35
Which feature is used in XML to ensure that all attributes and elements have unique names?
A. selectors
B. predicate
C. namespace
D. XPath
Answer: D
Question: 36
Referring to the exhibit, which XPath statement would retrieve the commit-user attribute in the candidate
A. configuration/@ junos: commit-user
B. configuration:@ junos: commit-user
C. configuration/junos: commit-user
D. configuration/commit-user
Answer: B
Question: 37
What are two components of the Waterfall model of software development? (Choose two.)
A. a large volume of code changes between releases
B. a small volume of code changes between releases
C. a short interval of time between releases
D. a long interval of time between releases
Answer: A,D
Question: 38
Which two programing languages would be used for on-box scripting with Junos devices? (Choose two.)
A. Python
B. Puppet
C. Ansible
Answer: A,D
Question: 39
You have the configuration shown in the exhibit, but are unable to access the REST API Explorer.
Which configuration is necessary to solve this problem?
A. Configure the rest service to be active on port 80.
B. Configure an IPv4 address on ge-0/0/0 0.
C. Configure a secondary IPv6 address on ge-0/0/0.0.
D. Configure a firewall filter to explicitly permit SS
Answer: C
Question: 40
Which XML feature is used to ensure that elements defined in multiple schemas would be used in the same document
without conflicts?
A. Attributes
B. Predicates
C. Selectors
D. Namespaces
Answer: A
Question: 41
Referring to the exhibit.
which two statements are correct? (Choose two.)
A. The retrieved configuration will be from the Junos candidate configuration.
B. The configuration will be retrieved in JSON format.
C. The configuration will be retrieved in XML format.
D. The retrieved configuration will be from the Junos active configuration.
Answer: A,B
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Tue, 20 Feb 2018 02:14:00 -0600 en-US text/html https://www.globalspec.com/reference/29502/203279/juniper-networks-secure-access-ssl-vpn-configuration-guide
A Computer Weekly buyer’s guide to application development and DevOps

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July 2018

A Computer Weekly buyer’s guide to application development and DevOps

Harnessing the right developer tools offers new advantages for businesses. In this 14-page buyer’s guide, Computer Weekly looks at the benefits and limitations of the DevOps approach, what Microsoft is doing with its developer platform and the rise of the holistic application.

Table Of Contents

  • Is DevOps the best approach to software development? DevOps uses an agile approach to software development, but a new model is required for tooling.
  • Making sense of Microsoft’s cloud developer platform: How Microsoft is aligning development tools to support Linux and open source after GitHub acquisition.
  • Adapting to the rise of the holistic application: How taking a containerised approach presents CIOs with new challenges.
Fri, 21 Aug 2020 06:22:00 -0500 en text/html https://www.computerweekly.com/ehandbook/A-Computer-Weekly-buyers-guide-to-application-development-and-DevOps
Download "The DevOps Toolbox: Tools and Technologies for Scale and Reliability" Geek Guide Cover

Register to download The DevOps Toolbox: Tools and Technologies for Scale and Reliability by Bill Childers.

When I was growing up, my father always said, "Work smarter, not harder." Now that I'm an adult, I've found that to be a core concept in my career as a DevOps engineer and manager. In order to work smarter, you've got to have good tools and technology in your corner doing a lot of the repetitive work, so you and your team can handle any exceptions that occur. More important, your tools need to have the ability to evolve and grow over time according to the changing needs of your business and organization.

In this eBook, I discuss a few of the most important tools in the DevOps toolbox, the benefits of using them and some examples of each tool. It's important to not consider this a review of each tool, but rather a guide to foster thinking about what's appropriate for your own organization's needs.

Wed, 01 Apr 2015 04:01:00 -0500 en text/html https://www.linuxjournal.com/devops-toolbox-guide
Geek Guide - Slow Down to Speed Up - Continuous Quality Assurance in a DevOps Environment

Geek Guide - Slow Down to Speed Up - Continuous Quality Assurance in a DevOps Environment

This eBook focuses on one of the key attributes of the DevOps movement: Quality Assurance. At any point, you should be able to release your product, code or configuration—so long as you continue keeping your deliverables in a deployable state. This is done by “slowing down” to include a Quality Assurance step at each point in your workflow. The sooner you catch an error or trouble condition and fix it, the faster you can get back on track. (PDF eBook | 23 Pages | 1.4 MB)

Login or sign-up below to download this informative free resource!

Tue, 08 Mar 2022 17:53:00 -0600 en-US text/html https://visualstudiomagazine.com/whitepapers/2015/07/new-relic/geek-guide-quality-assurance-devops.aspx
What Is DevOps, and How Can It Work for You?

In the IT space, the buzzwords can be overwhelming — the acronyms, the shorthand, the metaphors. And making sense of those terms can feel dicey.

But sometimes, one of those buzzwords breaks through in a tangible way to become a defining element in the process of managing your technology.

That’s one way to describe DevOps, a philosophy of continuous development that has become ingrained in the way many technology-focused organizations work. And it could make your organization work better too.

What Is DevOps?

DevOps represents the merging of software development and IT operations into a single discipline. As a software design philosophy, DevOps is not a new concept, but it has grown over the past two decades into a well-regarded discipline that has come to define modern infrastructure development.

DevOps is often mentioned hand in hand with agile development. Tara Hernandez, a senior engineering manager at Google, says the connection between the two goes back almost to the beginning.

WHITE PAPER: Discover how DevOps is Revolutionizing IT.

“If we were to ask most folks who have been in the DevOpsian world, you kind of go back to the emergence of the Agile Manifesto,” she says. “That’s kind of the beginning of the discussion.”

DevOps vs. Agile: What’s the Difference?

The Agile Manifesto, first developed in 2001 at a ski resort in Utah, came to set basic standards for lightweight software development. Although it had existed before then, the formalization helped build interest in lightweight software development, which in turn increased interest in DevOps.

Both DevOps and agile development evolved as something of a reaction to the more traditional “waterfall” style of development, in which progress falls sequentially, with different aspects working separately from one another, leading up to a large release with many features under the hood.

DevOps relies on a more integrated approach, with a greater focus on collaboration and continuous deployment of new code. Rather than one big release, there are numerous small ones.

The DevOps approach existed before it was formally named — the result of a Belgian conference in 2009 called devopsdays. The conference not only helped build the philosophies around DevOps along with its nomenclature but also developed into a global network of events.

The 2020 State of DevOps report, published by the cloud and hybrid automation platform Puppet, describes the DevOps philosophy as becoming increasingly dominant in the modern day, as organizations build more sophisticated disciplines around it.

“Perhaps a few years from now, the term ‘DevOps’ will sound quaint — even fade away — because so many people and organizations have fully adopted the DevOps principles of collaboration, communication, small-batch iteration, feedback loops, continuous learning and improvement,” the report states. “We certainly hope so.”

What Are the Benefits of DevOps?

Ultimately, the goal of DevOps is to simplify the software development lifecycle through methods such as the continuous integration and continuous delivery (CI/CD) of code, the process of merging developers’ work into a mainline codebase and shipping it.

This speeds up the work on software releases, creating a stronger, more efficient way to manage software over time. Fixes can be easily implemented, and new features can be delivered quickly.

“When a software development organization successfully adopts DevOps principles and an organizational philosophy, those organizations have been shown through a lot of research to have better productivity and throughput for delivering products and features to their customers,” Google’s Hernandez says.

Unlike a waterfall approach, where responsibility for a codebase might shift between departments, Hernandez said there is ultimately shared responsibility between the developers and operators for tools working in a given environment. In other words, before a piece of code gets online, it’s expected to work.

“There’s kind of a fundamental shift in thinking,” she says. “The developers have as much responsibility as the operators for their software running in production.”

And while it makes particular sense in the context of cloud computing — and, as a result, comes up in conversations for those looking to build services around Google Cloud, Amazon Web Services and Microsoft Azure — it is not limited to it.

WATCH THE WEBCAST: Learn how dynamic technology can support flexible working.

The challenge, of course, is that it’s an organizational philosophy, not a toolset, so an organization might have to work its way up to a broader goal. And while there’s a lot that can go wrong, much more can go right.

It can also take time to perfect. Although organizations can get quite good at DevOps — Google’s own research found, for example, that 20 percent of organizations it studied had become “elite performers” at DevOps by 2019 — Hernandez suggests that organizations without an existing discipline start slowly.

“If you’re not doing any of it, you’ve got to kind of start at the foundation at the developer level and work your way out,” she says, “with the understanding that you’ll want someone who’s at the production end — maybe embedded.”

What Are the Best DevOps Tools?

Tools used in DevOps vary greatly, but a few notable ones include:

  • Git, an open-source tool for code collaboration originally developed by Linux founder Linus Torvalds, is often the basis of managing many codebases in a branch format. The technology is the foundation the popular Microsoft-owned code repository GitHub.
  • Containerization tools, such as the open-source Docker and Kubernetes, can help those working in a DevOps structure test their code in a staging environment before going live.
  • Infrastructure as Code tools, such as Puppet, Chef and Ansible, can integrate nicely into a DevOps discipline, helping your organization manage and scale its cloud resources as necessary.
  • Splunk, a data analysis tool, can optimize DevOps practices in real time.

Click the banner below to explore the different technologies that power hybrid work.

What Is a DevOps Engineer?

A key role for any DevOps implementation, a DevOps engineer manages the software lifecycle through the implementation of tools, processes and methodologies, with the goal reducing the complexity between departments.

As the IBM-owned Red Hat explains, DevOps engineers manage the processes involved across disciplines and often tend to be more seasoned as a result, able to understand the needs across the business.

What Does a DevOps Model Look Like?

Hernandez notes that “if you’re really dialed into it,” DevOps can be well-integrated into a development process from start to finish.

So, what do the start and finish look like? The short answer: an infinite loop — at least, that’s how it’s often illustrated. At its roots, a DevOps model combines four primary processes — planning, building, deploying and operating — along with continuous feedback and continuous iteration. Grounding these processes is a basis of communication.

MORE FROM BIZTECH: Why digital transformation is only the beginning.

Hernandez says communication across disciplines is key to making this all work.

“The cultural elements are reducing those silos, making there be more transparency between software development and production operations,” she says. “And then, the lingua franca of that is documentation and automation. What’s the necessary cultural change? A leadership team that’s willing to invest in making that happen, because it doesn’t just emerge out of the ether.”

DevOps Services Providers

For businesses interested in the concept of DevOps, there are a variety of options. Many major cloud platforms — Google Cloud, Microsoft Azure, IBM Cloud and Amazon Web Services — offer specific services intended to help build around a DevOps mindset.

And help in implementing these options, especially through a service such as CDW Amplified Services, can ensure your organization makes the most of the DevOps discipline and CI/CD pipeline as it builds the practice into its approach.

After all, if you’re going to the trouble of implementing a significant cultural change, you want to make sure you get it right.

LuckyStep48/Getty Images

Fri, 30 Apr 2021 02:12:00 -0500 Ernie Smith en text/html https://biztechmagazine.com/article/2021/04/what-devops-and-how-can-it-work-you-perfcon

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