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| Certification Vendor: | Juniper Networks |
|---|---|
| Exam Name: | Enterprise Routing and Switching, Specialist (JNCIS-ENT) |
| Exam Number: | JN0-351 |
| Passing Score: | Not specified (Pass/Fail status available immediately) |
| Available Languages: | English |
| Exam Format: | Multiple-choice questions |
| Certificate Validity Period: | 3 years |
| Real Exam Qty: | 65 |
| Exam Duration: | 90 minutes |
| Related Certifications: | JNCIS-ENT |
| Exam Price: | $300 USD |
| Sample Questions: | Juniper JN0-351 Sample Questions |
| Exam Way: | Pearson VUE testing centers (In-person) |
| Pre Condition: | Recommended: JNCIA-Junos certification |
| Official Syllabus URL: | https://www.juniper.net/us/en/training/certification/tracks/enterprise-routing-switching/jncis-ent.html |
>> New Juniper JN0-351 Test Questions <<
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NEW QUESTION # 63
Which two statements correctly describe RSTP port roles? (Choose two.)
Answer: A,B
Explanation:
In Rapid Spanning Tree Protocol (RSTP), there are several port roles that determine the behavior of the port in the spanning tree 1 .
Option A suggests that the designated port forwards data to the downstream network segment or device. This is correct because the designated port is the port on a network segment that has the best path to the root bridge
1 . It's responsible for forwarding frames towards the root bridge and sending configuration messages into its segment 1 .
Option D suggests that the root port is responsible for forwarding data to the root bridge. This is also correct because the root port is always the link directly connected to the root bridge, or the shortest path to the root bridge 1 . It's used to forward traffic towards the root bridge 1 .
Therefore, options A and D are correct.
NEW QUESTION # 64
You are deploying a trunk port with multiple VLANs.
In this scenario, which statement is true about the native VLAN?
Answer: B
Explanation:
In a trunk port configuration with multiple VLANs, the native VLAN carries untagged traffic. This means frames sent or received on the port without a VLAN tag are automatically assigned to the native VLAN.
Here ' s why the other options are incorrect:
* A. The native VLAN must be the default VLAN on the port. This is not necessarily true. The native VLAN and the default VLAN can be different. The default VLAN is the VLAN assigned to untagged traffic on access ports, while the native VLAN applies to trunk ports.
* B. The native VLAN is automatically configured through DHCP. This is incorrect. The native VLAN needs to be manually configured on the switch port. DHCP is used for assigning IP addresses, not VLAN IDs.
* D. The native VLAN is the highest tagged VLAN ID on the port. This is also incorrect. The native VLAN and tagged VLANs are independent. The native VLAN is not related to the highest or lowest tagged VLAN ID.
Therefore, the only true statement is that the native VLAN is an untagged VLAN ID on the port.
:
Trunk Ports and VLANs: https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst2960x/software/15-
0_2_EX/vlan/configuration_guide/b_vlan_152ex_2960-x_cg/b_vlan_152ex_2960-x_cg_chapter_0100.pdf Configuring Trunk Ports: https://community.cisco.com/t5/networking-knowledge-base/how-to-define-the- vlans-allowed-on-a-trunk-link/ta-p/3131083 Understanding Native VLANs: https://www.practicalnetworking.net/tag/vlans/
NEW QUESTION # 65
Which two statements correctly describe RSTP port roles? (Choose two.)
Answer: A,B
Explanation:
An RSTP topology contains ports that have specific roles:
The root port is responsible for forwarding data to the root bridge.
The alternate port is a standby port for the root port. When a root port goes down, the alternate port becomes the active root port.
The designated port forwards data to the downstream network segment or device.
The backup port is a backup port for the designated port. When a designated port goes down, the backup port becomes the active designated port and starts forwarding data.
NEW QUESTION # 66
Your network has two ISPs available. You want to ensure that all outbound traffic is routed out ISP-1. If the connection to ISP-1 fails, all outbound traffic is routed to the backup ISP ISP-2. In this scenario, how should you configure BGP on your network?
Answer: B
NEW QUESTION # 67
Which two statements about MACsec are true? (Choose two.)
Answer: A,D
NEW QUESTION # 68
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