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Juniper JN0-349 Exam Certification Details:

Exam Code	JN0-349 JNCIS-ENT
Recommended Training	Junos Intermediate Routing (JIR) Junos Enterprise Switching (JEX)
Exam Price	$300 USD
Passing Score	Variable (60-70% Approx.)
Sample Questions	Juniper JN0-349 Sample Questions
Number of Questions	65
Exam Registration	PEARSON VUE

Juniper JN0-349 Exam Topics:

Section	Objectives
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)
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)
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
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

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Juniper Enterprise Routing and Switching, Specialist (JNCIS-ENT) Sample Questions (Q86-Q91):

NEW QUESTION # 86
You have a conference room with an open network port that is used by employees to connect to
the network.
You are concerned about rogue switches being connected to this port.
Which two features should you enable on your switch to limit access to this port? (Choose two.)

• A. dynamic ARP inspection
• B. 802.1X
• C. DHCP snooping
• D. MAC limiting

Answer: A,C
NEW QUESTION # 87
Referring to the exhibit, which interface is assigned the active VIP?

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

Answer: B
NEW QUESTION # 88
You are a service provider and have multiple customers in a building.
You are installing a new switch that can host all of your customers. However, you would like to
ensure that one customer cannot see or broadcast to another customer.
You would also like to have them use a common gateway IP address from the building. What
should be used to provide this access?

• A. VLAN
• B. private VLAN
• C. filter-based VLAN
• D. Layer 2 tunneling

Answer: B
NEW QUESTION # 89
Click the Exhibit button.

Referring to the exhibit, all users connected to the same VLAN can communicate with each other, but not with users on other VLANs in this network.
What must be configured to enable communication between the VLANs?

• A. The switch ports to which the users are connected should be configured as trunk ports.
• B. A single logical IRB interface must be created and assigned to all three VLANs.
• C. A separate routing device is required to forward traffic between the configured VLANs.
• D. A logical IRB interface must be created and assigned to each VLAN.

Answer: D
NEW QUESTION # 90
Which two statements are correct. (Choose two.)

• A. The active path to2001:2244:3311:321:233::.128 will exist using interface irb.433.
• B. The AS path shows two hops to their IBGP routers within autonomous system 62553.
• C. Route 2001:2244:3311:321:233::.128 has been prepended.
• D. Route 2001:2244:3311:321:233::.128 will be advertised to an EBGP peer in AS 62553.

Answer: A,C
NEW QUESTION # 91
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