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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
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)
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
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

>> Valid JN0-349 Exam Syllabus <<

Pass Guaranteed Quiz 2023 Juniper JN0-349: The Best Valid Enterprise Routing and Switching, Specialist (JNCIS-ENT) Exam Syllabus

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Juniper Enterprise Routing and Switching, Specialist (JNCIS-ENT) Sample Questions (Q91-Q96):

NEW QUESTION # 91
Referring to the exhibit, which policy will export routes to IBGP peers?

• A. scatic-2
• B. static-1
• C. staric-4
• D. static.c-2

Answer: C
NEW QUESTION # 92
What types of authentication are supported in Junos for OSPF?

• A. Hitless key chain of MD5 keys/checksums
• B. All of the above
• C. Simple password
• D. MD5 checksum

Answer: B
NEW QUESTION # 93
Click the Exhibit button.
You are implementing the network shown in the exhibit. You must ensure that all users can communicate with each other.
What are three steps that should be taken in this scenario? (Choose three.)

• A. You must define all ports as access ports and include the appropriate VLAN as a member.
• B. You must define all ports as trunk ports and include all VLANs as members.
• C. You must specify the appropriate Layer 3 IRB interface under each VLAN.
• D. You must configure a single logical IRB interface with an IP address for each of the three networks.
• E. You must create a unique logical IRB interface for each network and assign an IP address within the appropriate network.

Answer: A,C,E
NEW QUESTION # 94
What is the default BGP group type on a Junos device?

• A. external
• B. internal
• C. multihop
• D. null

Answer: A
NEW QUESTION # 95
Click the Exhibit button.

You have created a GRE tunnel as shown in the exhibit. The router with tunnel endpoint A is dropping the packets originating from User A and destined to User B.
What would cause this problem?

• A. User A is sending maximum size default Ethernet frames with the DF bit enabled.
• B. Endpoint A is missing a policy statement that allows User A's traffic into the tunnel.
• C. Endpoint A has the internet-options gre-path-mtu-discovery parameter enabled.
• D. User A requested fragmentation and Endpoint A has the clear-dont-fragment-bit parameter enabled.

Answer: A
NEW QUESTION # 96
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