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Juniper JNCIS Routing and Switching JN0-348 Certification Exam Study Guide

Juniper JN0-348 Certification Exam Details

Juniper JN0-348 certifications are globally accepted and add significant value to any IT professional. The certification gives you a profound understanding of all the workings of the network models and the devices that are utilized with it. NWexam.com is proud to provide to you the best Juniper Exam Guides.



The Juniper JN0-348 Exam is challenging, and thorough preparation is essential for success. This cert guide is designed to help you prepare for the JNCIS Routing and Switching certification exam. It contains a detailed list of the topics covered on the Professional exam. These guidelines for the JNCIS-ENT will help guide you through the study process for your certification.

To obtain Enterprise Routing and Switching Specialist certification, you are required to pass JNCIS-ENT JN0-348 exam. This exam is created keeping in mind the input of professionals in the industry and reveals how Cisco products are used in organizations across the world.


JN0-348 Enterprise Routing and Switching Specialist Exam Summary

Exam Name: Enterprise Routing and Switching Specialist

Exam Code: JN0-348 JNCIS-ENT

Exam Price: $300 USD

Duration: 0 mins

Number of Questions: 80

Passing Score: Variable (60-70% Approx.)

Exam Registration: PEARSON VUE

Sample Questions: Juniper JN0-348 Sample Questions

Recommended Training:

Topics covered in the Juniper JNCIS Routing and Switching JN0-348 Exam

Layer 2 Switching and VLANs

Identify the concepts, operation, or functionality of Layer 2 switching for the Junos OS

- Bridging components

- Frame processing

Describe the concepts, benefits, or functionality of VLANs

- Ports

- Tagging

- Native VLANs and voice VLANs

- Inter-VLAN routing

Demonstrate knowledge how to configure, monitor or troubleshoot Layer 2 switching or VLANs

- Interfaces and ports

- VLANs

- Junos Network Director

- Inter-VLAN Routing

Spanning Tree

Describe the concepts, benefits, operation, or functionality of the Spanning Tree Protocol

- STP and RSTP concepts

- Port roles and states

- BPDUs

- Convergence and reconvergence

Demonstrate knowledge how to configure, monitor, or troubleshoot STP and RSTP

- STP

- RSTP

Layer 2 Security

Identify the concepts, benefits or operation of various Layer 2 protection or security features

- BPDU, loop or root protection

- Port security, including MAC limiting, DHCP snooping, Dynamic ARP inspection (DAI) or IP source guard

- MACsec

- Storm control

Identify the concepts, benefits or operation of Layer 2 firewall filters

- Filter types

- Processing order

- Match criteria and actions

Demonstrate knowledge how to configure, monitor, or troubleshoot Layer 2 security

- Protection

- Port security

- Storm control

- Firewall filter configuration and application

Protocol-Independent Routing

Identify the concepts, operation or functionality of various protocol-independent routing components

- Static, aggregate, and generated routes

- Martian addresses

- Routing instances, including RIB groups

- Load balancing

- Filter-based forwarding

Demonstrate knowledge how to configure, monitor, or troubleshoot various protocol-independent routing components

- Static, aggregate, and generated routes

- Load balancing

- Filter-based forwarding

OSPF

Describe the concepts, operation or functionality of OSPF

- Link-state database

- OSPF packet types

- Router ID

- Adjacencies and neighbors

- Designated router (DR) and backup designated router (BDR)

- OSPF area and router types

- Realms

- LSA packet types

Demonstrate knowledge how to configure, monitor or troubleshoot OSPF

- Areas, interfaces and neighbors

- Additional basic options

- Routing policy application

- Troubleshooting tools (e.g., ping, traceroute,trace options, show commands, logging)

IS-IS

Describe the concepts, operation or functionality of IS-IS

- Link-state database

- IS-IS PDUs

- TLVs

- Adjacencies and neighbors

- Levels and areas

- Designated intermediate system (DIS)

- Metrics

Demonstrate knowledge of how to configure, monitor or troubleshoot IS-IS

- Levels, interfaces and adjacencies

- Additional basic options

- Routing policy application

- Troubleshooting tools (e.g., ping, traceroute, trace options, show commands, logging)

BGP

Describe the concepts, operation or functionality of BGP

- BGP basic operation

- BGP message types

- Attributes

- Route/path selection process

- IBGP and EBGP functionality and interaction

Demonstrate knowledge of how to configure, monitor, or troubleshoot BGP

- Groups and peers

- Additional basic options

- Routing policy application

- Troubleshooting tools (e.g., ping, traceroute,trace options, show commands, logging)

Tunnels

Identify the concepts, requirements or functionality of IP tunneling

- Tunneling applications and considerations

- GRE/UDP

- IP-IP

Demonstrate knowledge of how to configure, monitor or troubleshoot IP tunnels

- GRE/UDP

- IP-IP

- Troubleshooting tools (e.g., ping, traceroute, trace options, show commands, logging)

High Availability

Identify the concepts, benefits, applications or requirements for high availability in a Junos OS environment

- Link aggregation groups (LAG)

- Redundant trunk groups (RTG)

- Virtual Chassis

- Graceful restart (GR)

- Graceful Routing Engine switchover (GRES)

- Nonstop active routing (NSR)

- Nonstop bridging (NSB)

- Bidirectional Forwarding Detection (BFD)

- Virtual Router Redundancy Protocol (VRRP)

- Unified In-Service Software Upgrade (ISSU)

Demonstrate knowledge of how to configure, monitor, or troubleshoot high availability components

- LAG and RTG

- Virtual Chassis

- GR, GRES, NSB, and NSR

- VRRP

- ISSU

- Troubleshooting tools (e.g., trace options, show commands, logging)

What type of questions are on the Juniper JN0-348 exams?


● Single answer multiple choice

● Multiple answer multiple choice

● Drag and Drop (DND)

● Router Simulation

● Testlet

JNCIS Routing and Switching JN0-348 Practice Exam Questions.

Grab an understanding from these Juniper JN0-348 sample questions and answers and improve your JN0-348 exam preparation towards attaining a Enterprise Routing and Switching Specialist Certification. Answering these sample questions will make familiar with the types of questions you can expect on the actual exam. Doing practice with JNCIS Routing and Switching JNCIS-ENT questions and answers before the exam as much as possible is the key to passing the Juniper JN0-348 certification exam.

JN0-348 Enterprise Routing and Switching Specialist Sample Questions:-

01. Which operational mode command will show the VRRP priority?

a) show vrrp detail

b) show interfaces vrrp extensive

c) show vrrp summary

d) monitor interfaces vrrp

Answer: a

02. Which command shows you the status of the redundant trunk groups configured on an EX Series switch?

a) show interfaces

b) show redundant-trunk-group

c) show spanning-tree interface

d) show ethernet-switching redundant-trunk-group

Answer: a

03. Which two tools are useful for monitoring inter-VLAN routing?

(Choose two.)

a) vlan-trace

b) GVRP

c) ping

d) traceroute

Answer: c, d

04. You must allow both untagged and tagged VLAN traffic to enter an interface on an EX Series switch. Which two methods satisfy this requirement?

(Choose two.)

a) Configure the port with dual-mode VLAN tagging.

b) Configure the port using the voice VLAN feature.

c) Configure the port with the native-vlan-id parameter.

d) Configure the port with the access parameter.

Answer: b, c

05. Which protocol family must you configure to enable bridging on an interface of an EX Series switch?

a) inet

b) inet-bridging

c) ethernet-switching

d) ethernet-bridging

Answer: c

06. What are three valid bridging mechanisms?

(Choose three.)

a) Forwarding

b) Refreshing

c) Flooding

d) Aging

e) Segmenting

Answer: a, c, d

07. A root bridge in an RSTP network is connected to other neighboring bridges using point-to-point links. Which combination of port types can exist on the root bridge?

a) There can be some combination of designated ports and alternate ports.

b) There can be some combination of root ports and alternate ports.

c) All ports will be designated ports.

d) All ports will be root ports.

Answer: c

08. Which two statements regarding an STP BPDU Ethernet frame are true?

(Choose two.)

a) The source MAC address is always 01:80:C2:00:00:00.

b) The destination MAC address is always 01:80:C2:00:00:00.

c) The destination MAC address is the MAC address associated with the receiving interface.

d) The source MAC address is the MAC address associated with the transmitting interface.

Answer: b, d

09. Which statement is true regarding STP?

a) All switch ports operating in the point-to-point mode have a quicker recovery time than switch ports operating in shared mode.

b) All switch ports must pass through the listening and learning states before they can be placed in the forwarding state.

c) Edge ports are automatically placed in the forwarding state when they are operational.

d) Nonedge ports must receive at least one keepalive every six seconds to remain operational.

Answer: b

10. Which is evaluated first when selecting a BGP route?

a) MED

b) Origin

c) Local preference

d) AS path

Answer: c

Not every IT certification intended for professionals, but Juniper certification is a great deal. After achieving this Juniper JN0-348, you can grab an opportunity to be an IT professional with unique capability and can help the industry or get a good job. Many individuals do the Cisco certifications just for the interest, and that payback as a profession because of the worth of this course.

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