October 14, 2022
JN0-349, Juniper

[Q63-Q79] JN0-349 Exam Brain Dumps – Study Notes and Theory [Oct-2022]

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JN0-349 Exam Brain Dumps – Study Notes and Theory [Oct-2022]

100% Guaranteed Results JN0-349 Unlimited 112 Questions

Juniper JN0-349 Exam Topics:

Section Objectives
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)
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
Layer 2 Switching or 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
  • Inter-VLAN Routing
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
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)

 

NEW QUESTION 63
You configured a GRE tunnel that traverses a path using default MTU settings. You want to ensure that packets are not dropped of fragmented.
In this scenario, what is the maximum packet size that would traverse the GRE tunnel?

 
 
 
 

NEW QUESTION 64
Which statement about configuring persistent MAC learning is correct?

 
 
 
 

NEW QUESTION 65
Which two sequences correctly describe the processing order of firewall filters on an EX Series switch?
(Choose two.)

 
 
 
 

NEW QUESTION 66
How many bytes of overhead are added to packet traversing a GRE tunnel?

 
 
 
 

NEW QUESTION 67
Which two statements are correct about aggregate routes in the Junos OS? (Choose two.)

 
 
 
 

NEW QUESTION 68
Which two OSPF header fields must match to form an adjacency over a broadcast connection?
(Choose two.)

 
 
 
 

NEW QUESTION 69
What are three types of port designation specific to Private VLANs? (Choose three.)

 
 
 
 
 

NEW QUESTION 70
Your switches are managed using Junos Space Network Director. You want to secure the
switches using a Network Director filter profile.
A filter profile containing one term shown In the exhibit is deployed to ports on managed devices.

Which traffic will be accepted by the filter?

 
 
 
 

NEW QUESTION 71
Exhibit.

Referring to the exhibit, Router-1 and Router-2 are failing to form an IS-IS adjacency.
What should you do to solve the problem?

 
 
 
 

NEW QUESTION 72
Click the Exhibit button.

Referring to the exhibit, which two statements are correct? (Choose two.)

 
 
 
 

NEW QUESTION 73
Referring to the exhibit, which configuration change is needed for an IS-IS Level 1 adjacency
between R1 and R2?

 
 
 
 

NEW QUESTION 74
What types of authentication are supported in Junos for OSPF?

 
 
 
 

NEW QUESTION 75
Click the Exhibit button.

Referring to the exhibit, what will be the IS-IS adjacency result of the configurations?

 
 
 
 

NEW QUESTION 76
What are two types of IS-IS PDUs? (Choose two.)

 
 
 
 

NEW QUESTION 77
Which static route next-hop value indicates that the packet will be silently dropped?

 
 
 
 

NEW QUESTION 78
Click the Exhibit button.

Your router is configured to peer with your ISP’s router using BGP. You can only control your BGP configuration.
Which address families are negotiated between the two BGP peers shown in the exhibit?

 
 
 
 

NEW QUESTION 79
Host-1 was recently added in the network and is attached to ge-0/0/10 on Switch-A.
Host-1 is powered on and has its interface configured with default Layer 2 settings and an IP
address on the 172.17.12.0/24 IP subnet.
Host-1’s MAC address is not shown in Switch-A’s bridging table.
What are three explanations for this state? (Choose three.)

 
 
 
 
 

JN0-349 Dumps PDF – Want To Pass JN0-349 Fast: https://www.it-tests.com/JN0-349.html

         

Related Links: www.stes.tyc.edu.tw www.stes.tyc.edu.tw myportal.utt.edu.tt www.stes.tyc.edu.tw www.stes.tyc.edu.tw myportal.utt.edu.tt

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