Juniper Enterprise Routing and Switching, Specialist (JN0-349) - Juniper

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Sample JN0-349 Exam Questions & Explanations

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Question #1 Verified Q&A
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 Set the local-preference attribute for all routes received from ISP A to 50 while all routes received<br /> from ISP B use the default local-preference value of 100.
B Change the MED value for all routes received from ISP A to 1 while all routes from ISP B remain configured with no MED value.
C Prepend the AS path to all routes received from ISP A while all routes received from ISP B use the default AS path value.
D Set the local-preference attribute for all routes received from ISP A to 200 while all routes received<br /> from ISP B use the default local-preference value of 100.
Correct Answer: Set the local-preference attribute for all routes received from ISP A to 200 while all routes received<br /> from ISP B use the default local-preference value of 100.
Question #2 Verified Q&A
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 You must enable the guest VLAN feature on the incoming interfaces and assign the v20 VLAN.
B You must enable an IRB interface and assign it to the v10 and v20 VLANs.
C You must enable LLDP-MED on the incoming interfaces and assign the v20 VLAN.
D You must enable the voice VLAN feature on the incoming interfaces and assign the v20 VLAN.
Correct Answer: You must enable the voice VLAN feature on the incoming interfaces and assign the v20 VLAN.
Question #3 Verified Q&A
What are three reasons a BGP route would be hidden? (Choose three.)
A The Local Preference is 0.
B It is rejected by a firewall term.
C It is suppressed by a damping policy.
D The next hop is unreachable.
E The AS Path contains a 0.
Question #4 Verified Q&A
Exhibit:<br />
<br />
<img src="https://examsqa.com/storage/question-images/juniper-enterprise-routing-and-switching-specialist-jn0-349_page_2_Im2.jpg" alt="Exhibit" style="max-width: 100%; height: auto;" /><br />
<br />
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 set switch-options interface ge-0/0/23.0 interface-mac-limit 3
B set vlans default switch-options interface-mac-limit 5
C clear ethernet-switching recovery-timeout interface ge-0/0/23.0
D set vlans default switch-options interface-mac-limit 4
Correct Answer: set switch-options interface ge-0/0/23.0 interface-mac-limit 3
Question #5 Verified Q&A
Click the Exhibit button.<br />
<br />
<img src="https://examsqa.com/storage/question-images/juniper-enterprise-routing-and-switching-specialist-jn0-349_page_3_Im3.jpg" alt="Exhibit" style="max-width: 100%; height: auto;" /><br />
<br />
A routing table contains multiple BGP routes to the same destination prefix. The route preference is the same for each route. Referring to the exhibit, which route would be selected?
A route C
B route A
C route D
D route B
Correct Answer: route D

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Our JN0-349 (Juniper Enterprise Routing and Switching, Specialist) practice question bank currently includes 110 verified questions with comprehensive explanations.
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Yes, all Juniper JN0-349 practice questions are regularly updated and verified against current exam objectives.
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The JN0-349 (Juniper Enterprise Routing and Switching, Specialist) question bank is built to mirror the real exam's format and topics, with detailed explanations for every answer so you understand the reasoning — not just memorize responses.
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