Prepare with Juniper JN0-690 exam torrent, pass for sure
Updated: Aug 29, 2026
No. of Questions: 70 Questions & Answers with Testing Engine
Download Limit: Unlimited
Latest and high-quality JN0-690 vce test simulator pass for sure
Test4Sure JN0-690 questions and answers provide you test preparation information with everything you need. Study with our JN0-690 test practice torrent, your professional skills will be enhanced and your knowledge will be expanded. What's more, JN0-690 practice pdf will ensure you a define success in our JN0-690 actual test.
100% Money Back Guarantee
Test4Sure has an unprecedented 99.6% first time pass rate among our customers. 
We're so confident of our products that we provide no hassle product exchange.
- Best exam practice material
- Three formats are optional
- 10 years of excellence
- 365 Days Free Updates
- Learn anywhere, anytime
- 100% Safe shopping experience
- Instant Download: Our system will send you the products you purchase in mailbox in a minute after payment. (If not received within 12 hours, please contact us. Note: don't forget to check your spam.)
JN0-690 Online Engine
- Online Tool, Convenient, easy to study.
- Instant Online Access
- Supports All Web Browsers
- Practice Online Anytime
- Test History and Performance Review
- Supports Windows / Mac / Android / iOS, etc.
- Try Online Engine Demo
JN0-690 Self Test Engine
- Installable Software Application
- Simulates Real Exam Environment
- Builds JN0-690 Exam Confidence
- Supports MS Operating System
- Two Modes For Practice
- Practice Offline Anytime
- Software Screenshots
JN0-690 Practice Q&A's
- Printable JN0-690 PDF Format
- Prepared by JN0-690 Experts
- Instant Access to Download
- Study Anywhere, Anytime
- 365 Days Free Updates
- Free JN0-690 PDF Demo Available
- Download Q&A's Demo
Juniper JN0-690 Exam Overview:
| Certification Vendor: | Juniper Networks |
|---|---|
| Exam Name: | Junos Troubleshooting |
| Exam Number: | JN0-690 |
| Exam Price: | $200–$300 USD |
| Exam Format: | Drag and Drop, Fill in the Blank, Multiple Choice |
| Real Exam Qty: | 70 |
| Available Languages: | English |
| Exam Duration: | 90 minutes |
| Certificate Validity Period: | 3 Years |
| Passing Score: | 65-70% |
| Related Certifications: | JNCIP-SEC JNCIS-SEC JNCIA-Junos |
| Recommended Training: | Introduction to Junos Operating System Junos Troubleshooting (EDU-JUN-IJS) |
| Exam Registration: | Pearson VUE Registration |
| Sample Questions: | Juniper JN0-690 Sample Questions |
| Exam Way: | In-person at Pearson VUE test centers; retired April 30, 2015, replaced by JN0-691 |
| Pre Condition: | Recommended: JNCIA-Junos certification or equivalent knowledge; working experience with Junos OS |
| Official Syllabus URL: | https://www.juniper.net/us/en/training/certification.html |
Juniper JN0-690 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: High Availability & Network Services | 15% | - Graceful restart & non-stop routing - DHCP, DNS, NTP & authentication services - Chassis cluster & redundancy groups |
| Topic 2: Troubleshooting Methodology & Tools | 15% | - Junos CLI commands & diagnostic utilities - Systematic troubleshooting approach - Logging, monitoring & packet capture tools |
| Topic 3: Layer 2 & Layer 3 Protocol Troubleshooting | 15% | - OSPF, BGP, IS-IS & RIP - VRRP, BFD & high availability protocols - Ethernet, VLAN, STP & LACP |
| Topic 4: Chassis & Hardware Troubleshooting | 15% | - Boot process & system startup problems - Hardware components & status monitoring - Power, cooling & FPC/PIC issues |
| Topic 5: Data Plane & Interfaces Troubleshooting | 20% | - Interface configuration, status & errors - Forwarding table & packet flow analysis - CoS, filters & policer issues |
| Topic 6: Control Plane Troubleshooting | 20% | - Routing Engine operations & health - Control plane protection & DDoS mitigation - Protocol control messages & routing tables |
Juniper Junos Troubleshooting Sample Questions:
Question 1
Which two commands help to identify traffic drops due to oversubscription? (Choose two.)
A. monitor interface traffic
B. monitor traffic interface
C. show interfaces queue
D. show interfaces extensive
Question 2
Which three statements are true about performing an ISSU on a Junos device? (Choose three.)
A. Every PFE on each FPC downloads the new software from the backup RE.
B. The master RE verifies disk space on both REs, unsupported configurations, and unsupported PICs.
C. The backup RE verifies disk space on both REs, unsupported configurations, and unsupported PICs.
D. ksyncd synchronizes the kernel on the backup RE with the master RE.
E. Any unsupported PICs will cause the ISSU process to fail with "Error: incompatible hardware detected."
Question 3
Which command would be helpful in determining the time at which the protocols started?
A. show route
B. show configuration
C. show system uptime
D. show chassis hardware
Question 4
-- Exhibit -
user@router> show system switchover
Graceful switchover: On
Configuration databasE. Ready
Kernel databasE. Version incompatible
Peer statE. Steady State
-- Exhibit -
You have enabled graceful Routing Engine switchover (GRES). During verification, you switched mastership and all interfaces went down.
Referring to the output shown in the exhibit, why did the interfaces go down?
A. The synchronization failed because the Junos OS version on the backup does not support GRES.
B. The synchronization failed because the master Routing Engine cannot communicate with the backup Routing Engine.
C. The synchronization failed because the Junos OS version on the backup is incompatible with the version running on the master.
D. The synchronization failed because the Routing Engine models are different between the master and backup.
Question 5
You are notified about a router reboot event.
Which command would be helpful in determining the reason for the last reboot?
A. show chassis routing-engine
B. show chassis craft-interface
C. show system reboot
D. show system snapshot
Solutions:
| Question 1 Answer: C,D | Question 2 Answer: A,B,D | Question 3 Answer: C | Question 4 Answer: C | Question 5 Answer: A |
Passd JN0-690 today with high score! Thanks for all your actual exam Q&As! I also will come back to get other exams in recent several months.
By Miranda
Then, my friend recommended, Believe me, I prepared JN0-690 just for 4 days.
By Rachel
Test4Sure required very little efforts for preparation of hp exam and it helped me to get prepared for the JN0-690 exam in few days.
By Tina
Test4Sure JN0-690 real exam questions help me a lot.
By Adrian
Test4Sure JN0-690 real exam questions JN0-690.
By Bartholomew
Test4Sure JNCSP-SEC JN0-690 practice questions cover most of questions and answers of real test.
By Carey
Disclaimer Policy: The site does not guarantee the content of the comments. Because of the different time and the changes in the scope of the exam, it can produce different effect. Before you purchase the dump, please carefully read the product introduction from the page. In addition, please be advised the site will not be responsible for the content of the comments and contradictions between users.
Test4Sure focus on the study of JN0-690 practice questions for many years and enjoy a high reputation in this field by its high-quality study materials, updated information. From the JN0-690 free demo, you will have an overview about the complete exam materials. The comprehensive questions together with correct answers are the guarantee for 100% pass.
Besides, we have money back guarantee to ensure customers' benefit in case of failure. You just need to show us your failure certification,then we will give you refund after confirming.
Frequently Asked Questions
What's the different of the three versions? which should i choose?
Firstly,the contents of the three versions are the same. Besides, the PC test engine is only suitable for windows system wiht Java script,the Online test engine is for any electronic device. While, the pdf is pdf files which can be printed into papers.
Does your materials surely work?
Yes, JN0-690 exam questions are valid and verified by our professional experts with high pass rate. The contents of JN0-690 study materials are most revelant to the actual test, which can ensure you sure pass.
When do your products update? How often do our JN0-690 exam products change?
All our products are the latest version. If you want to know details about each exam materials, our service will be waiting for you 7*24 online. Our exam products will updates with the change of the real JN0-690 test.
After payment successfully, How can I get the JN0-690 study materials?
You will get an email attached with the JN0-690 study materials within 5-10 minutes after purchase. Then you can download it for study soon. If you do not receieve anything, kindly please contact our customer service.
How long will my JN0-690 exam materials be valid after purchase?
All our products can share 365 days free download for updating version from the date of purchase. So don't worry. The exam materials will be valid for 365 days on our site.
Can i have try before buying?
Sure, we offer the JN0-690 free demo questions, you can download and have a try. Besides, about the test engine, you can have look at the screenshot of the format.
How can I know if you release new version? How can I download the updating version?
We have professional system designed by our strict IT staff. Once the JN0-690 exam materials you purchased have new updates, our system will send you a mail to notify you including the downloading link automatically, or you can log in our site via account and password, and then download any time. As we all know, procedure may be more accurate than manpower.
Do you have money back policy? How can I get refund if fail?
Yes, we have money back guarantee if you fail exam with our products. Applying for refund is simple that you send email to us for applying refund attached your failure score scanned. Money will be back to what you pay. Normally we support Credit Card for most countries. Our refund validity is 60 days from the date of your purchase. Our customer service is 365 days warranty. Users can receive our latest materials within one year.
How many computers can Self Test Software be downloaded? How about Online Test Engine?
Self Test Software can be downloaded in more than two hundreds computers. It is no limitation for the quantity of computers. So does Online Test Engine. You can use Online Test Engine in any device.
Is there any discount for the exam materials?
Sure, we have discounts for promotion in some specail festival.
Over 56295+ Satisfied Customers
