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Prepare Confidently for the Juniper JNCIS-ENT Exam with Realistic JN0-349 Practice Tests

Preparing for the Juniper JNCIS-ENT JN0-349 certification exam with SPOTO's exam questions and answers, test questions, exam questions, and study materials can greatly enhance your chances of passing successfully. These comprehensive exam resources cater to experienced networking professionals seeking to validate their beginner to intermediate knowledge of routing and switching implementations in Junos. SPOTO's exam preparation tools cover all essential topics, including routing and switching technologies, platform configuration, and troubleshooting skills. Their mock exams simulate the real exam environment, allowing you to identify areas requiring further study and ensuring you are well-prepared. By leveraging these invaluable exam resources, you can confidently demonstrate your expertise in Juniper enterprise routing and switching solutions, and obtain the JNCIS-ENT certification, a testament to your competence in this domain.
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Question #1
Which statement is correct about trunk ports?
A. runk ports mast have an IRB assigned to accept VLAN tagged traffic
B. y default, trunk ports accept only VLAN tagged traffic
C. y default, a trunk port can have only a single VLAN assigned
D. runk ports must have an IRB assigned to accept untagged traffic
View answer
Correct Answer: B
Question #2
Exhibit. Which two statements are correct? (Choose two.)
A. esolve
B. iscard
C. eject
D. ext-table
View answer
Correct Answer: AC
Question #3
Which two statements about Martian addresses are correct? (Choose two.)
A. Martian addresses require a route prefix match type
B. Martian addresses are not installed in the routing table by default
C. Martian addresses can only be applied to the inet
D. Martian addresses are installed in the routing table by default
View answer
Correct Answer: AB
Question #4
Click the Exhibit button.. What is the problem?
A. AG requires more than two member links
B. ggregated interface must be defined under the chassis stanza
C. he LAG member interfaces are configured across different line cards
D. ACP is required for LAG to work
View answer
Correct Answer: B
Question #5
Which statement about persistent MAC learning is correct?
A. Trunk ports require MAC addresses to be configured on each VLAN
B. Port moves require manual operator intervention
C. Access ports must be configured with the no-mac-learning command
D. 802
View answer
Correct Answer: B
Question #6
Which two port security features use the DHCP snooping database for additional port security? (Choose two.)
A. et interface gr-0/0/0
B. et interface ip-00/0/0
C. et interfaces gr—0/0/0
D. et interface ip-0/0/0
View answer
Correct Answer: AC
Question #7
Exhibit. Which statement is true about the configuration shown in the exhibit?
A. he preferred next hop is 172
B. he preference for the 172
C. he preference for the 172
D. 72
View answer
Correct Answer: A
Question #8
You have configured the route with an IS-IS metric of 2048. However, the IS-IS interface metric of 63 is being applied for the interface of this router.What must you do to enable larger metric value?
A. nable wide metrics
B. isable narrow metrics
C. estart the IS-IS protocol
D. nable level 1 IS-IS routing
View answer
Correct Answer: B
Question #9
Which Junos feature allows you to combine multiple interface into a single bundle?
A. RRP
B. irtual Classis
C. AG
D. SB
View answer
Correct Answer: C
Question #10
Exhibit. Based on the traceoptions output shown in the exhibit, what is the problem with the adjacency?
A. uthentication mismatch
B. rea mismatch
C. onnectivity
D. TU mismatch
View answer
Correct Answer: B
Question #11
Exhibit. Referring to the exhibit, what do the asterisks (*) indicate?
A. he entries are new
B. he router receive the entries
C. he entries are state
D. he router originated the entries
View answer
Correct Answer: D
Question #12
Which two statements about DIS elections in IS-IS are correct? (Choose two.)
A. If a priority tie occurs, the router with the higher subnetwork point of attachment (SNPA) value becomes the DIS
B. The router with the higher priority value becomes the DIS
C. The router with the lower priority value becomes the DIS
D. If a priority tie occurs, the router with the lower subnetwork point of attachment (SNPA) value becomes the DIS
View answer
Correct Answer: AB
Question #13
Click the Exhibit button.Which two statements about the configuration shown in the exhibit are correct? (Choose two.)
A. Two next-hop interfaces should appear in the routing table for the 172
B. Multiple equal-cost next hops are installed in the forwarding table for the 192
C. The route preference is the same for each static route
D. Only the selected next-hop interface should appear in the forwarding table for the 172
View answer
Correct Answer: AD
Question #14
Click the Exhibit button.You are trying to form an IS-IS adjacency between Router A and Router B, but the IS-IS adjacency will not form between the two routers.Referring to the exhibit, which action would solve this problem?
A. Enable level 1 IS-IS routing on Router A
B. Enable IS-IS wide metrics on Router A
C. Enable level 2 IS-IS routing on Router B
D. Enable IS-IS wide metrics on Router B
View answer
Correct Answer: C
Question #15
Click the Exhibit button.You want to prevent rogue BPDUs from lab devices reaching the internal through the Lab_Switch device.Referring to the exhibit, what should be done to accomplish this task?
A. onfigure the three lab ports as edge ports
B. onfigure an input filter on interface xe-0/2/0 to discard the RSTP packets
C. onfigure the three lab ports under the protocols layer2-control bpdu-block hierarchy on the switch
D. onfigure protocols rstp with the bpdu-block-on-edge parameter for interface xe-0/2/0
View answer
Correct Answer: C
Question #16
What is the default BGP group type on a Junos device?
A. nternal
B. xternal
C. ultihop
D. ull
View answer
Correct Answer: B
Question #17
Each PC and IP phone in your network is connected to a switch using the same port. All incoming data traffic is untagged and belongs to the v10 VLAN, while traffic coming from the IP phones is tagged with a VLAN value of 20 and should belong to the v20 VLAN on your switch.In this scenario, which statement is correct?
A. ou must enable the voice VLAN feature on the incoming interfaces and assign the v20 VLAN
B. ou must enable an IRB interface and assign it to the v10 and v20 VLANs
C. ou must enable LLDP-MED on the incoming interfaces and assign the v20 VLAN
D. ou must enable the guest VLAN feature on the incoming interfaces and assign the v20 VLAN
View answer
Correct Answer: A
Question #18
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. 500
B. 400
C. 524
D. 476
View answer
Correct Answer: D
Question #19
Click the Exhibit button.You have an ESXi host that is connected to ge-0/0/23 on a Juniper EX Series switch. You added a new VM that will also use the same ge-0/0/23 interface. Unfortunately, the new VM is not able to reach external devices.Referring to the exhibit, which command would solve this problem?
A. et vlans default switch-options interface-mac-limit 4
B. et vlans default switch-options interface-mac-limit 5
C. et switch-options interface ge-0/0/23
D. lear ethernet-switching recovery-timeout interface ge-0/0/23
View answer
Correct Answer: C
Question #20
How many bytes of overhead are added to packet traversing a GRE tunnel?
A. 0
B. 4
C. 2
D. 6
View answer
Correct Answer: B
Question #21
Click the Exhibit button.Referring to the exhibit, which router becomes the OSPF DR when all routers are powered on at the same time?
A. 3
B. 4
C. 1
D. 2
View answer
Correct Answer: D
Question #22
Click the Exhibit button.Which type of route is shown in the exhibit?
A. generated
B. direct
C. aggregate
D. static
View answer
Correct Answer: A
Question #23
Which statement is correct about access ports?
A. Access ports must have an IRB assigned to accept untagged traffic
B. By default, access ports accept only VLAN tagged traffic
C. Access ports must have an IRB assigned to accept VLAN tagged traffic
D. By default, an access port can have only a single VLAN assigned
View answer
Correct Answer: D
Question #24
You want to configure Layer 2 services over an IP-based tunneling mechanism between two sites. Which configuration statement is required to accomplish this task?
A. HCP snooping
B. ersistent MAC learning
C. AC limiting
D. P Source Guard
View answer
Correct Answer: A
Question #25
Your BGP router receives routes from two upstream ISPs: ISP A and ISP B.In this scenario, which change would you make to prefer routes from ISP A?
A. et the local-preference attribute for all routes received from ISP A to 200 while all routes received from ISP B use the default local-preference value of 100
B. repend the AS path to all routes received from ISP A while all routes received from ISP B use the default AS path value
C. hange the MED value for all routes received from ISP A to 1 while all routes from ISP B remain configured with no MED value
D. et the local-preference attribute for all routes received from ISP A to 50 while all routes received from ISP B use the default local-preference value of 100
View answer
Correct Answer: A

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