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Here, you can link to Part 1 What is your plan? As I am halfway through the series, I decided to review what we have talked about so far. If you are like me, this was the first question you asked when you decided to obtain this certification. So where do we go to gather data and begin researching how to tackle a new problem—Google of course!

Two bad things will happen if you start here and plan your study based on the data you find. The very first link you see at least as of this writing in mid-January is a link to a Juniper eBook PDF that was first printed in updated in Then, you will find links to a host of different practice exam from vendors of varying degrees of reliability.

In this case, if you skip the authenticity and accuracy check, you will experience the pain of not being prepared for this exam! Let me explain…. At first glance, this seems very legit. In fact, it was written and published by Juniper Networks. However, it was first written in updated in The JNCIS program has gone through some changes since this book was written and, as you would expect, technology has changed a bit since the first iPhone was released. For example, they have a chapter on OSPF that is probably still quite relevant except for any OSPF v3 information in understanding how the protocol works at a high to medium detail level.

The second set of links point to practice exams from various sources. Here, you really have to be careful with some very questionable material and sources. Of course you have the normal concerns about whether the answers to the questions are correct. In addition to that concern, some of these links are advertising that they have actual test questions from the JNCIS in their exam.

This seduction is very attractive for many reasons. However, just trust that if you can access these materials—so can the Juniper certification gods. Moreover, expect the exam to ask questions that are just similar enough that you will get tripped up or confused at least and caught as an actual cheater at worse! These and all practice tests can play a role in your exam prep—but only if you do the hard work of studying and understanding the materials first. So what resources are available?

This material closely matches the material you find if you pay to take the exams. In addition, the vast majority of the configuration scenarios and JunOS commands you will be tested on are available in these study guides. There are a couple of very specific scenarios related to high-availably configuration that will require access to hardware or the Juniper JEX and JIR lab guides to understand and review.

However, if this is your only written resource and spend the time to understand the concepts you need understand and memorize the facts you need to remember, you should do well on this exam assuming you also have access to hardware or lab time. So how do you know if you are prepared? Well, when you begin to recognize some problem images in the study guide—you definitely are getting close. I am not talking about missing words or typographical errors.

I am talking about conceptual issues in some of the diagrams. For example, in the BGP section, there is a diagram to help you understand how BGP advertises its routes to neighbors on page also seen below. One of the purposes of this diagram is to point out that BGP does not by default change the next-hop attribute when advertising routes between IBGP peers.

If this is true, then how do downstream routers know the correct next-hop to access a particular network? For the purpose of understanding the next-hop concept, this diagram is perfect. However, in the larger context of how BGP works, this diagram has problems. Not glaring, but it could be more clear. Some of these problems are so subtle, you may never see them unless they are pointed out to you.

As you begin to recognize these problems, you can gain confidence in that you understand the concepts and technology required for passing this exam. This is a good time to talk some more about practice exams you find from questionable sources on the web. However, understand that the quality of these tests is very questionable. These tests should only be used as a rough measure of how you are retaining the material.

If you download one of these, the best use case is to treat the exams as a bank of questions that you need research and answer. In other words, throw out whatever answers they give you and find your own answers and explanations for each question based on the study guides or the Juniper technical knowledgebase.

Once you have done this, you have a new study tool that you can use for last minute review. Wherever possible, grab the exact text from the Juniper source and use it as the answer. Anywhere that you are unsure or it is unclear, get your Juniper expert involved to help wade through what is being asked and what a correct response should look like.

Finding study and reference material specific to Juniper certification exams can be difficult. When you compare what is available on Amazon for exam prep between Cisco and Juniper you might begin to question your choice of attempting a Juniper certification path. This is not necessarily a bad thing.

It means that you must have a strong understanding of the items the exam covers. However, how can you get this understanding unless you have access to reference material? Chicken or the Egg, eh? Well, you start by identifying exactly what is it you need to know.

Do this by reviewing the detailed exam outline available at the Juniper Certification program site. Nobody wants to study material that will not be covered on the exam! I think Juniper feels your pain on this issue,too. Juniper seems to me, at least to be aggressively growing its certification program.

They also publish and sell the Day-One books and a very low cost just few bucks if you download the Kindle version. The Juniper Day-One series help provide additional background on various popular subjects in the Juniper universe.

There are sever al non-Juniper resources that might help fulfill some of your learning needs. If you are serious about technology and learning, I strongly encourage you to consider a Safari Books Online account. Be aware that many of these videos are taught from a Cisco hardware perspective. A video that describes how OSPF works is great until it starts spitting out the Cisco configuration commands for getting it running on your router.

Some final thoughts about written exam prep materials…first, always pay attention to the publication or creation dates. Anything older than a 2 or 3 years old should be relegated to background material and not a primary source for accurate information. If you do not have one already, develop a consistent method for categorizing and storing bookmarks and links to blogs and other online Juniper reference materials.

Safari, IE and Firefox all have cloud-based syncing solutions so you can store your bookmarks in the cloud once and access them from any other PC you are logging into.

So what written exam prep materials are you using? My listing here was definitely not comprehensive. Help your fellow knowledge seekers out by posting your favorite resources in the comments.

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JNCIS-ENT Routing Study Guide

Here, you can link to Part 1 What is your plan? As I am halfway through the series, I decided to review what we have talked about so far. If you are like me, this was the first question you asked when you decided to obtain this certification. So where do we go to gather data and begin researching how to tackle a new problem—Google of course! Two bad things will happen if you start here and plan your study based on the data you find.


JNCIS-ENT - Routing - Study Guide (JNCIS-ENT, #1)

I am very new to Juniper and have been searching for study guides for a while now with little to no success; unlike Cisco tons of material available and configuations examples and technical guides.. My company decided to go that juniper route and due to the issues that we have been having, we have x2 dedicated Juniper Engineers on local-site to assist with issues and cutover challenges.. Is there any plan in the near future for Juniper to produce proper study guides and technical documentation? I have noticed that due to difficulty or trying to navigate around the EX and MX series, most of my team will not even try to mess with the product out of fustration.. Items needed: Study Guides detailed study guides and better configuration examples, technical documentation is always a plus but it is really tough to learn anything with the lack of material that is currently being offered


JNCIS-ENT Study guide/ technical documentation updates

To make your preparation easy for the Juniper JNCIS Routing and Switching JN certification exam, we have designed this online practice exam which simulates the actual exam environment. We are a team of experienced and certified Juniper Enterprise Routing and Switching consultants who have developed questions for this exam by collecting inputs from recently certified candidates and considering the weights of all the Juniper JN certification exam syllabus topics. Our online platform educates you about the skills required to pass Juniper JN certification, as well as persuade you to think outside the box and see the bigger picture. We believe in 'the more you practice, the better your score'. Our team of experts has composed this Juniper JN exam preparation guide to provide the overview about Juniper Enterprise Routing and Switching Specialist exam, study material, sample questions, practice exam and ways to interpret the exam objectives to help you assess your readiness for the Juniper JNCIS-ENT exam by identifying prerequisite areas of knowledge. We recommend you to refer the simulation questions and practice test listed in this guide to determine what type of questions will be asked and the level of difficulty that could be tested in the Juniper JNCIS Routing and Switching certification exam.


JNCIS Routing and Switching Study Guide


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