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Juniper JN0-343 Questions & Answers
JN0-343 Questions & Answers
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Exam Code: JN0-343

Exam Name: Juniper Networks Certified Specialist Enterprise Routing and Switching (JNCIS-ENT)

Vendor: Juniper

No of Questions: 563

Last Updated: August 03, 2016

Certs Covered: JNCIS-ENT

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Introduction about the exam

Juniper JN0-343 certification exam is an IT related exam offered to those individuals or professionals with the passion to know more about some of the most applicable IT concepts in the current technology and among the key areas dealt with in this certification exam are enterprise routing and switching since as you all know that networking is revolutionalising the technology world with every bit of  technology applying networking in some of its aspect and with routing and switching being some of  the core concepts of networking hence making in a way this certification exam or course a networking course.

Exam description

Why should one take this exam?

This being a networking related exam, anybody with passion of perfecting their knowledge and skills in networking especially in the routing and switching section ,the this course is for them, this certification exam improves our knowledge and experience in what we already know regarding routers and switches as it deals in a more advanced level of the routers and switches, with the knowledge and skills that an individual acquires in this certification course on can pursue any of the following careers successfully:

  • Network admin
  • System admin
  • Network analyst
  • Network internet specialist
  • Network technician

Associated certification

Every certification exam offered by any internationally recognized body do have a given certification closely associated with it due to the fact that they borrow a lot from each other and the skills and knowledge learnt in one can be applicable and useful in the other and this Juniper JN0-343 certification exam has the following as its associated certification

  • Juniper networks certified internet specialist


With the recommended prerequisites at hand or in place, the student pursuing this course will always find it more easier and comfortable since they will have some clues and background information about the course hence the unfamiliarity problem shall have been solved and this will make it more easier for the candidate to follow and understand and among the recommended prerequisites for this certification is:

  • The candidate is expected that before pursuing this course they should have idea of what routers and switches are and how they function and the role they play in networking.
  • The candidate are advised that if possible it be that they have worked with the routers and switches for a given time and got the relevant experience regarding their usage.
  • The candidate should have information or should have done some certification course regarding networking as through this they shall have known the fundamentals of networking.

What skills and knowledge are tested?

This juniper certification exam aims at validating and gauging whether at the end of the certification the candidate have successfully mastered the skills and gained the knowledge needed in the operation and maintenance of routers and switches in a networking environment among others maintaining their security, their configuration and proper connection to other networking devices and also how to troubleshoot them in case of any technical challenges.

The objectives or topics covered

The objectives or the topics are always the climax of every certification course as all the skills and knowledge ought to be passed to the student are contained and well outlined here, the successful covering of all the objectives always marks the completion of any certification course and the objectives are normally grouped in domains which all aim at passing a given information to the candidate and at the end all the exam questions do come from all the topics listed and covered and mostly the objectives do have different weighted percentages with the objective or topic with the highest weighted percentage having more questions coming from it in the exam, among the objectives or topics covered in this certification are as follows:

  • Switching of layer 2 and the VLANs
    • The candidates here are expected that at the end of the topic or the course they should be able to answer questions regarding the following concepts: the functions of the layer 2 with regards to switching, how the layer 2 operates and the various concepts involved in layer 2 and also what are the functions of the VLANs and their benefits and concepts and also how troubleshooting and configuration of the layer 2 switching and the VLANs is done among others.
  • Security of layer 2
    • the various key concepts covered and dealt with here regarding layer 2 are: the security features and protection mechanism available in layer 2 and also the various benefits and concepts in them, the working of the firewall filters of the layer 2 and its benefits and concepts entailed and also how the monitoring and configuration of the layer 2 security is implemented.
  • Routing that is protocol independent
    • The students are taught among the following key concepts functions and features of the routing that is protocol independent and how it works and its concepts and also how they are configured and monitored among others.
  • What is high availability?
    • Here the candidates are taught what the requirement of high availability are and what is is and its application beside its concepts and also how its components are configured and maintained among others.

Career prospects

Many technology in the world employs the usage of the junos operating system and with this comes with the need to do or accomplish some networking tasks in it and this certification gives one the chance and ability to besides with this certification one is capable of being employed in any networking field.


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