JN0-349 Premium PDF & Test Engine Files with 112 Questions & Answers [Q19-Q43]

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JN0-349 Premium PDF & Test Engine Files with 112 Questions & Answers

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Juniper JN0-349 Exam Topics:

SectionObjectives
TunnelsIdentify 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)
Layer 2 SecurityIdentify 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
Layer 2 Switching or VLANsIdentify 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
Protocol Independent RoutingIdentify 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
BGPDescribe 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)
OSPFDescribe 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 19
Click the Exhibit button.

Referring to the exhibit, which router will be selected as the DR?

  • A. R3
  • B. R4
  • C. R5
  • D. R1

Answer: A

 

NEW QUESTION 20
Click the Exhibit button.

Referring to the exhibit, what is the problem?

  • A. Aggregated interfaces must be defined under the chassis stanza
  • B. LAG requires more than two member links
  • C. The LAG member interfaces are configured across different line cards
  • D. LACP is required for LAG to work

Answer: A

 

NEW QUESTION 21
What are two functions of bridging? (Choose two.)

  • A. forwarding
  • B. blocking
  • C. aging
  • D. listening

Answer: A,D

 

NEW QUESTION 22
Click the Exhibit button.

Referring to the exhibit, Router 1 learns about Route X.
Which statement is correct about Route X when using the default BGP advertisement rules?

  • A. R3 will not advertise this route to R4 or R5 without an explicit policy.
  • B. R1 will not advertise this route to any peers.
  • C. R4 and R5 will not advertise this route to each other.
  • D. R2 will not advertise this route to R3 without an explicit policy.

Answer: C

 

NEW QUESTION 23
Which two characteristics are true for EBGP peerings? (Choose two.)

  • A. EBGP peers can be connected over a multihop connection.
  • B. EBGP connect peer devices in two different autonomous systems.
  • C. EBGP peers must be directly connected.
  • D. EBGP connects peer device in the same autonomous system.

Answer: A,B

 

NEW QUESTION 24
What are two characteristics of OSPF ABRs? (Choose two.)

  • A. ABRs link two OSPF areas.
  • B. ABRs cannot be part of the backbone and another area at the same time.
  • C. ABRs inject routing information from outside the OSPF domain.
  • D. ABRs transmit routing information between the backbone and other areas.

Answer: A,D

 

NEW QUESTION 25
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. DHCP snooping
  • B. dynamic ARP inspection
  • C. 802.1X
  • D. MAC limiting

Answer: A,B

 

NEW QUESTION 26
What information is included in the DHCP snooping database? (Choose two.)

  • A. client MAC address
  • B. DHCP server address
  • C. VLAN
  • D. DHCP options

Answer: A,C

Explanation:
When DHCP snooping is enabled, the lease information from the server is used to create the
DHCP snooping table, also known as the binding table.
The table shows current IP-MAC bindings, as well as lease time, type of binding, names of
associated VLANs, and associated interface.

 

NEW QUESTION 27
Click the Exhibit button.

Referring to the exhibit, what do the asterisks (*) indicate?

  • A. The router originated the entries
  • B. The router received the entries
  • C. The entries are stale
  • D. The entries are new

Answer: A

 

NEW QUESTION 28
Click the Exhibit button.

Referring to the exhibit, which statement is correct?

  • A. R4 is elected as the DR.
  • B. R1 and R2 are elected as DROthers.
  • C. R3 and R4 have an adjacency state of Full.
  • D. R3 has the complete OSPF database.

Answer: D

 

NEW QUESTION 29
You want to use filter-based forwarding (FBF) to forward traffic sourced from subnet 10.0.0.0/24 to a specific destination.
Which two routing instance types would enable you to accomplish this task? (Choose two.)

  • A. virtual router
  • B. virtual switch
  • C. forwarding
  • D. virtual routing and forwarding

Answer: A,C

Explanation:
Explanation
https://www.juniper.net/documentation/en_US/junos/topics/example/firewall-filter-option-filter-based-forwardin

 

NEW QUESTION 30
In which two STP states is a port active and a MAC address learned? (Choose two.)

  • A. forwarding
  • B. disabled
  • C. blocking
  • D. learning

Answer: A,D

 

NEW QUESTION 31
Which statement is correct about 1S IS link state PDUs?

  • A. They are used to determine whether the neighbors are Level 1 or Level 2
  • B. They are used to maintain link slid.: database synchronization
  • C. They are used to establish adjacencies
  • D. They are used to build the link state database.

Answer: D

 

NEW QUESTION 32
Exhibit.

You are attempting to set up VRRP with R1 and R2 being participating members. You want R1 to be the master router and R2 to be the backup router with the virtual router they create being at address 172.25.100.1.
The virtual router is not pinging from either User A or User B.
Referring to the exhibit, what must be done to correct the problem?

  • A. The VRRP group value on R1 and R2 must match.
  • B. The VRRP priority value on R1 and R2 must match
  • C. A VRRP policy is needed on R1 and R2.
  • D. A VRRP authentication type value is needed on R1 and R2.

Answer: A

Explanation:
Explanation
https://www.juniper.net/documentation/en_US/junos/topics/reference/configuration-statement/priority-edit-interf

 

NEW QUESTION 33
Your network connections to the Internet through two different ISPs using EBGP. You must ensure that ISP1 is the primary path used for all traffic entering your network while using ISP2 as a backup path.
In this scenario, which statement is correct?

  • A. You should assign a higher local preference on routes that you are sending to ISP1.
  • B. You should change the next hop for all routers sent to ISP2.
  • C. You should use a lower MED value on routes sent to ISP1.
  • D. You should prepend your local AS number three times on routes that you are sending to ISP2.

Answer: D

 

NEW QUESTION 34
What are two Layer 2 firewall filter types? (Choose two.)

  • A. flow-based
  • B. VLAN-based
  • C. port-based
  • D. packet-based

Answer: B,C

 

NEW QUESTION 35
When electing a DIS in an IS-IS network, what is used to break a priority tie?

  • A. lowest router ID
  • B. highest MAC address
  • C. highest router ID
  • D. lowest MAC address

Answer: B

Explanation:
https://www.juniper.net/documentation/en_US/junos/topics/concept/routing-protocol-is-is-security-
designated-router-understanding.html

 

NEW QUESTION 36
Click the Exhibit button.

Referring to the exhibit, Router-1 is attempting to form an EBGP session with Router-2.
However, BGP routes are never exchanged between Router-1 and Router-2.
What is causing the problem?

  • A. The keep allstatement is preventing the session from establishing
  • B. The TCP-MSS value is set too low
  • C. The EBGP session is configured to use the wrong AS
  • D. The EXT group is not configured as an external type BGP peering session

Answer: D

 

NEW QUESTION 37
When electing a DIS in an IS-IS network, what is used to break a priority tie?

  • A. lowest router ID
  • B. highest MAC address
  • C. highest router ID
  • D. lowest MAC address

Answer: B

Explanation:
Explanation
https://www.juniper.net/documentation/en_US/junos/topics/concept/routing-protocol-is-is-security-designated-ro

 

NEW QUESTION 38
On EX Series devices, what are two software features that accommodate redundancy? (Choose two.)

  • A. GRES
  • B. IGMP
  • C. OAM
  • D. NSR

Answer: A,D

 

NEW QUESTION 39
You have a VLAN with two devices acting as a single gateway for hosts.
In this scenario, which protocol would provide a single gateway IP for the hosts?

  • A. BGP
  • B. VRRP
  • C. IS-IS
  • D. OSPF

Answer: B

 

NEW QUESTION 40
What are two advantages of a point-to-point OSPF adjacency? (Choose two.)

  • A. No Type 2 LSAs are generated.
  • B. No type 1 LSAs are generated.
  • C. Only a DR is elected.
  • D. There are quicker neighbor establishment.

Answer: A,D

 

NEW QUESTION 41
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 separate routing device is required to forward traffic between the configured VLANs.
  • C. A single logical IRB interface must be created and assigned to all three VLANs.
  • D. A logical IRB interface must be created and assigned to each VLAN.

Answer: D

 

NEW QUESTION 42
Which statement is correct about IS-IS link state PDUs?

  • A. They are used to determine whether the neighbors are Level 1 or Level 2.
  • B. They are used to build the link-state database.
  • C. They are used to establish adjacencies.
  • D. They are used to maintain link-state database synchronization.

Answer: B

 

NEW QUESTION 43
......


Juniper JN0-349 Exam Certification Details:

Recommended TrainingJunos Intermediate Routing (JIR)
Junos Enterprise Switching (JEX)
Exam CodeJN0-349 JNCIS-ENT
Sample QuestionsJuniper JN0-349 Sample Questions
Exam Price$300 USD
Exam NameEnterprise Routing and Switching Specialist
Exam RegistrationPEARSON VUE
Passing ScoreVariable (60-70% Approx.)

 

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