Examcollection JN0-349 Questions Answers

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Posted 2023-03-22 04:09:42

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Juniper JN0-349 Exam Topics:

Section	Objectives
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
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)
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 Spanning Tree STP RSTP
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)
Tunnels	Identify the concepts, requirements or functionality of IP tunneling Tunneling applications and considerations GRE IP-IP Demonstrate knowledge of how to configure, monitor or troubleshoot IP tunnels GRE IP-IP Troubleshooting tools (e.g., ping, traceroute, trace options, show commands, logging)

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Approved JN0-349 Certified Information Systems Security Professional Exam Questions

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Juniper Enterprise Routing and Switching, Specialist (JNCIS-ENT) Sample Questions (Q102-Q107):

NEW QUESTION # 102
You are adding a new EX4300 member switch to your existing EX4300 Virtual Chassis. However, the new member is not running the same Junos version as the other members.
By default, what is the expected behavior in this scenario?

A. The virtual Chassis will transition into a brain situation between the existing master Routing Engine and the switch running the different version.
B. The new switch is not recognized by the virtual Chassis.
C. The new switch will be assigned a member ID and then placed in an inactive state.
D. The new switch will be assigned a member ID and then placed in an inactive state.

Answer: D

Explanation:
Explanation
https://www.juniper.net/documentation/en_US/junos/topics/concept/virtual-chassis-ex4200-software-automatic-u

NEW QUESTION # 103
Click the Exhibit button Referring to the exhibit, which two statements are correct? (Choose two.)

A. The ge-0/0/13 interface will be selected as the forwarding interface.
B. The ge-0/0/10 interface will not participate in the RSTP topology.
C. The ge-0/0/10 interface will be part of the RSTP topology but will block incoming BPDUs.
D. This device must be selected as the root bridge.

Answer: A,B

NEW QUESTION # 104
What are two benefits of 802.3ad link aggregation? (Choose two.)

A. It simplifies interface configuration.
B. It ensures symmetrical paths.
C. It creates physical layer redundancy.
D. It increases bandwidth.

Answer: C,D

NEW QUESTION # 105
How many bytes of overhead does an IP-IP tunnel add to a packet?

A. 24 bytes
B. 14 bytes
C. 28 bytes
D. 20 bytes

Answer: D

NEW QUESTION # 106
Referring to the exhibit, which interface is assigned the active VIP?

A. Router A ge-0/0/2
B. Router B ge-0/0/2
C. Router B ge-0/0/1
D. Router A ge-0/0/1

Answer: C

NEW QUESTION # 107
......

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