[Q32-Q50] Exam Passing Guarantee Apr 14, 2023 JN0-349 Exam with Accurate Quastions!

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Exam Passing Guarantee Apr 14, 2023 JN0-349 Exam with Accurate Quastions!

Test Engine to Practice Test for JN0-349 Valid and Updated Dumps


Juniper JN0-349 Exam Topics:

SectionObjectives
High AvailabilityIdentify 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)
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
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)
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
IS-ISDescribe 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 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
Spanning TreeDescribe 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

 

NEW QUESTION 32
What are two characteristics of OSPF ABRs? (Choose two.)

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

Answer: A,C

Explanation:
Explanation
Area border router (ABR): An OSPF router with links in two areas, the ABR is responsible for connecting OSPF areas to the backbone. It transmits network information between the backbone and other areas.

 

NEW QUESTION 33
You need to a new ESXi host connected to port ge-0/0/1. One of the VMs configured with VLAN 10 is not reachable from any other device on the switch. To troubleshoot, you decide to verify of the VMs MAC address is learned properly under VLAN 10.
Which command would you use in this scenario?

  • A. Show Ethernet-switching table vlan-id 10
  • B. Monitor interface ge-0/01
  • C. Show vlans 10
  • D. Show interfaces ge-0/01 detail

Answer: A

 

NEW QUESTION 34
Click the Exhibit button. What is the problem?

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

Answer: D

Explanation:
https://www.juniper.net/documentation/en_US/junos/topics/topic-map/switches-interface-
aggregated.html
By default, no aggregated Ethernet interfaces are created. You must set the number of
aggregated Ethernet interfaces on the routing device before you can configure them. Specify that
you want to access the aggregated Ethernet configuration on the device. user@host# edit
chassis aggregated-devices ethernet Set the number of aggregated Ethernet interfaces. [edit
chassis aggregated-devices ethernet] user@host# set device-count number

 

NEW QUESTION 35
Based on the traceoptions output shown in the exhibit, what is the problem with the adjacency?

  • A. area mismatch
  • B. connectivity
  • C. MTU mismatch
  • D. authentication mismatch

Answer: A

 

NEW QUESTION 36
You configured a GRE that traverses a path using default MTU settings. You want to ensure that
packets are not dropped or fragmented.
In this scenario. What is the maximum packet size that would traverse the GRE tunnel?

  • A. 0
  • B. 1
  • C. 2
  • D. 3

Answer: D

 

NEW QUESTION 37
Referring to the output shown in the exhibit, which statement is correct?

  • A. 11.0.0.108 is being per-packet load-balanced.
  • B. 11.0.0.102/32 is being per-flow load-balanced.
  • C. 11.0.0.108.32 is being per-flow load-balanced.
  • D. 11.0.0.102/32 is being per-packet load-balanced.

Answer: C

Explanation:
https://www.juniper.net/documentation//en_US/junos/topics/usage-guidelines/policy-configuring-
per-packet-load-balancing.html

 

NEW QUESTION 38
When configuring firewall filters, which function does the interface-specific parameter enable on an EX Series switch?

  • A. The interface-specific parameter is required to configured port-based firewall filters.
  • B. The interface-specific parameter is required to configured VLAN-based filters.
  • C. The interface-specific parameter is required to configure port-specific counters.
  • D. The interface-specific parameter is required to configure VLAN-specific counters.

Answer: C

 

NEW QUESTION 39
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 will be assigned a member ID and then placed in an inactive state.
  • C. The new switch is not recognized by the virtual Chassis.
  • 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 40
Exhibit.

Both the R1 and R2 devices are advertising prefix X into AS 65530 with the BGP attribute shown in the exhibit.
Which statement is correct in this scenario?

  • A. R2's version of prefix X will be active because of the AS path attribute.
  • B. R1's version of prefix X will be active because of the local preference attribute.
  • C. R2's version of prefix X will be active because of the local preference attribute.
  • D. R1's version of prefix X will be active because of the AS path attribute.

Answer: B

 

NEW QUESTION 41
Click the Exhibit button.
Referring to the exhibit, which type of route is displayed?

  • A. martian
  • B. generate
  • C. static
  • D. aggregate

Answer: B

 

NEW QUESTION 42
Which area is reserved for the OSPF backbone?

  • A. Area 0.0.0.0
  • B. Area 2.2.2.2
  • C. Area 3.3.3.3
  • D. Area 1.1.1.1

Answer: A

 

NEW QUESTION 43
Click the Exhibit button.

Which statement is true about the configuration shown in the exhibit?

  • A. Only the add-community import policy will be evaluated when routes are learned from neighbor 172.30.1.1
  • B. Both the add-community and local-pref import policies will be evaluated when routes are learned from neighbor 172.30.2.1
  • C. Only the local-pref import policy will be evaluated when routes are learned from neighbor 172.30.1.1
  • D. No import policy will be evaluated when routes are learned from neighbor 172.30.2.1

Answer: B

 

NEW QUESTION 44
You are running a Virtual Chassis with nonstop routing enabled. You want to confirm that the BGP routing table synchronization has completed on the backup Routing Engine.
Which command will show you this information?

  • A. show task replication
  • B. show bgp neighbor
  • C. show bgp summary
  • D. show bgp replication

Answer: D

 

NEW QUESTION 45
You have configured OSPF routing as shown in the exhibit. You notice that all interfaces have
formed full adjacencies, with the exception of the interfaces connecting R3 and R4 with a status
of 2Way.
What is the reason for this status?

  • A. The interface-type is not configured as p2p.
  • B. The two routers must be configured in different areas.
  • C. DROther routers will not form a full adjacency with each other.
  • D. The two routers must both be configured as DR routers.

Answer: C

Explanation:
https://kb.juniper.net/InfoCenter/index?page=content&id=KB14881

 

NEW QUESTION 46
What are two interarea OSPF LSA types? (Choose two.)

  • A. Type 4 ASBR summary LSAs
  • B. Type 2 network LSAs
  • C. Type 3 summary LSAs
  • D. Type 1 router LSAs

Answer: A,C

 

NEW QUESTION 47
Which two elements are used to create the STP bridge ID? (Choose two.)

  • A. the system MAC address
  • B. the port cost
  • C. the root port number
  • D. the bridge priority value

Answer: A,D

 

NEW QUESTION 48
Click the Exhibit button.

Referring to the exhibit, which port will be selected as the RSTP root port on Switch-4?

  • A. ge-0/0/13.0
  • B. ge-0/0/8.0
  • C. ge-0/0/9.0
  • D. ge-0/0/12.0

Answer: D

 

NEW QUESTION 49
What are two Layer 2 firewall filter types? (Choose two.)

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

Answer: C,D

 

NEW QUESTION 50
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Exam Questions for JN0-349 Updated Versions With Test Engine: https://exam-labs.exam4tests.com/JN0-349-pdf-braindumps.html