Juniper JNCIA-Junos Certification Exam Practice Test Questions, Juniper JNCIA-Junos Exam Dumps
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Juniper JNCIA-Junos is the first level under the Juniper Data Center certification track. This is an associate-level certificate that demonstrates the individuals’ knowledge of the core functionality of the Junos operating system. To obtain it, the candidates are required to pass one written exam known under the codename JN0-103. This test is designed for the networking professionals with the entry-level expertise in networking. The exam has no prerequisites, which means that the applicants do not need to complete any training or hold additional certifications. However, it is crucial that they possess a solid understanding of the topics covered in the exam syllabus.
The Juniper JN0-103 exam has the allocated duration of 90 minutes and consists of 65 questions. All these questions are delivered in the multiple-choice format. The registration process for the test is done via the Pearson VUE platform and requires paying the fee of $200. The score report as well as pass/fail status is provided immediately after completing the exam and can be viewed in the Pearson VUE personal account. The JNCIA-Junos certification granted upon the completion of the JN0-103 test is valid for three years. After the expiration of this period, the candidates need to pass the current version of the exam to maintain their certification status.
To prepare for this certification exam, the official platform recommends undertaking the training course, Introduction to the Junos OS (IJOS), available on the Juniper learning portal. This a 3-day course providing the learners with the foundational knowledge needed for the work with the Junos operating system as well as the configuration of Junos devices. This training is available to the students through the Juniper Networks Authorized Education Partners (JNAEP) located globally. To find an available education partner nearby, use the search on the Juniper learning portal. You can also find a full course outline and details on registration there. The vendor also advises that you get acquainted with the Juniper Networks Technical Publications before sitting for Juniper JN0-103 and check your knowledge base with the help of the official practice tests. The links to these resources can be found on the exam webpage.
One of the crucial elements of success in any certification exam is an understanding of the topics covered in it. The highlights of the subject areas that constitute the structure of the Juniper JN0-103 exam are outlined below:
Topic 1. Junos OS Fundamentals
In the framework of the first domain, the candidates need to show their understanding of the benefits, concepts, as well as functionality of the key Junos OS elements. This includes software architecture, transit traffic processing, control & forwarding planes, Routing Engine & Packet Forwarding Engine, and exception traffic.
Topic 2. User Interfaces
The second topic requires that the test takers to demonstrate their knowledge of the concepts, operation, as well as functionality of the Junos user interface, including CLI functionality, CLI modes, CLI navigation, CLI Help, Filtering output, active vs candidate configuration, reverting to prior configurations. This also comprises their ability to modify, manage, and save configuration files; view, compare, and load configuration files; understand J-Web (core functionality only).
Topic 3. Configuration Fundamentals
Here the applicants must be capable of determining the major components for the configuration of Junos devices. These include the following elements: user accounts, factory-default state, login classes, initial configuration, user authentication techniques, interface types & properties, configuration groups, additional initial configuration components (like SNMP, NTP, and syslog), configuration archival, rescue configuration, and logging & tracing. Besides that, the examinees should be able to explain how to configure the fundamental Junos device components.
Topic 4. Operational Monitoring & Maintenance
Within this subject area, the students will be asked to demonstrate their ability to explain how to configure the fundamental elements of Junos devices. They will also be evaluated based on their knowledge of methods for monitoring or maintenance of these devices. These include showing commands; monitoring commands, interface errors & statistics, network tools, such as telnet, traceroute, SSH, ping, etc.; installing and upgrading the Junos Operation System; powering on & shutting down Junos devices; rooting password recovery. Additionally, you should know how to perform the maintenance or monitoring procedures for the Junos device.
Topic 5. Routing Fundamentals
This objective evaluates the candidates’ understanding of the fundamental routing concepts and functionality for Junos devices, i.e. traffic forwarding concepts, routing tables, routing vs forwarding tables, routing instances, route preference, static routing, benefits of and usage cases for dynamic routing protocols. It also measures their ability to describe how to monitor or configure the fundamental routing components for the Junos device.
Topic 6. Routing Policy & Firewall Filters
To answer the questions related to this section, the applicants need to possess a comprehension of the concepts and functionality of routing policy as well as firewall filters on Junos devices. These include such aspects as default routing policies; export & import and policies; routing policy flow; influence of policies on routes as well as routing tables; policy terms & structure; policy match criteria, match types, and actions; firewall filter concepts; filter terms & structure; filter actions & match criteria; the influence of filters on packets; Unicast reverse-path-forwarding (RPF). The candidates should also be able to explain how to monitor or configure firewall filters and routing policies on the Junos device.
Although the Juniper JNCIA-Junos certification is designed for the early-career specialists, it opens up a variety of opportunities for their employment and career development. Some of the job roles that these individuals can explore are a Network Engineer, a Network Administrator, a Senior Network Engineer, a Network Operations Engineer, a Communications Systems Engineer, a Network Operations Technician, and a Networks Team Lead, among others. As estimated by PayScale.com, the median salary associated with this certificate is around $83,000 per annum. In particular, the average income for a Network Engineer is $79,095 per year, while a Senior Network Engineer can earn on average $102,794 per annum. Apart from the career benefits, Juniper JNCIA-Junos provides the professionals with a foundation needed for pursuing the advanced-level certifications.
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