JN0-351최신업데이트덤프인기자격증덤프

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Juniper JN0-351 시험요강:

주제	소개
주제 1	High Availability: This topic covers the importance and application of high availability within Junos OS environments. Knowledge in configuring and managing these components is critical for ensuring robust and uninterrupted network operations, aligning with exam expectations.
주제 2	Layer 2 Security: This topic introduces Layer 2 protection mechanisms and firewall filters to fortify network security. Practical skills in configuring, monitoring, and troubleshooting these features prepare candidates to address exam objectives and real-world challenges effectively.
주제 3	Spanning Tree: Networking professionals explore the principles and advantages of the Spanning Tree Protocol (STP) to ensure loop-free topologies in Layer 2 networks.
주제 4	Protocol Independent Routing: An essential domain for understanding routing components outside protocol dependencies, this topic enhances expertise in configuring, monitoring, and troubleshooting critical elements.
주제 5	Layer 2 Switching or VLANs: This topic deepens the understanding of Layer 2 switching operations within the Junos OS, including VLAN concepts and benefits. Experienced networking professionals gain insights into configuration, monitoring, and troubleshooting techniques essential for network segmentation and efficiency.
주제 6	Tunnels: The fundamentals of IP tunneling are emphasized, highlighting their requirements and functionalities. Mastery in configuring, monitoring, and troubleshooting tunnels equips professionals to meet the demands of the JN0-351 exam.
주제 7	OSPF: The concepts and operational details of OSPF are explored, providing tools for routing efficiency. Configuration and troubleshooting mastery ensure readiness for both the exam and complex enterprise environments.

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최신 JNCIS-ENT JN0-351 무료샘플문제 (Q30-Q35):

질문 # 30
Your GRE tunnel is not transitioning to the Up status.
What would be the first step in troubleshooting the problem?

A. Verify that the status of the management interface is up.
B. Verify the status of the management routing instance.
C. Verify tunnel endpoint reachability.
D. Verify that the routing instance for GRE tunnels is created.

정답：C

질문 # 31
You are configuring an IS-IS IGP network and do not see the IS-IS adjacencies established. In this scenario, what are two reasons for this problem? (Choose two.)

A. The lo0 interface is not included as an IS-IS interface.
B. MTU is not at least 1492 bytes.
C. IP subnets are not a /30 address.
D. The Level 2 routers have mismatched areas.

정답：A,B

설명：
Option A suggests that the MTU is not at least 1492 bytes. This is correct because IS-IS requires a minimum MTU of 1492 bytes to establish adjacencies. If the MTU is less than this, IS-IS adjacencies will not be established.
Option D suggests that the lo0 interface is not included as an IS-IS interface. This is also correct because the loopback interface (lo0) is typically used as the router ID in IS-IS. If the loopback interface is not included in IS-IS, it could prevent IS-IS adjacencies from being established.

질문 # 32
Which two statements about redundant trunk groups on EX Series switches are correct? (Choose two.)

A. Layer 2 control traffic is permitted on the secondary link
B. Redundant trunk groups must be connected to the same aggregation switch.
C. If the active link fails, then the secondary link automatically takes over.
D. Redundant trunk groups load-balance traffic across two designated uplink interfaces.

정답：A,C

설명：
Redundant trunk groups are designed to provide link redundancy. If the primary link fails, the secondary link will automatically take over to ensure continued connectivity.
In redundant trunk groups, while regular data traffic is sent over the primary link, Layer 2 control traffic (such as STP, LACP, etc.) is allowed on the secondary link to maintain network stability and protocol operations.
https://www.juniper.net/documentation/us/en/software/junos/multicast-l2/topics/topic- map/redundant-trunk-groups.html

질문 # 33
In RSTP, which three port roles are associated with the discarding state? (Choose three.)

A. designated
B. backup
C. disabled
D. alternate
E. root

정답：B,C,D

설명：
In Rapid Spanning Tree Protocol (RSTP), there are several port roles that determine the behavior of the port in the spanning tree 1 2 3 . The roles include root, designated, alternate, backup, and disabled 1 2 3 .
The discarding state is associated with the backup, alternate, and disabled roles 1 2 3 . In a stable topology with consistent port roles throughout the network, RSTP ensures that every root port and designated port immediately transition to the forwarding state while all alternate and backup ports are always in the discarding state 2 . Disabled ports are also in the discarding state 3 .
Therefore, options B, C, and D are correct.

질문 # 34
Exhibit.

You are using OSPF to advertise the subnets that are used by the Denver and Dallas offices. The routers that are directly connected to the Dallas and Denver subnets are not advertising the connected subnets.
Referring to the exhibit, which two statements are correct? (Choose two.)

A. Configure and apply a routing policy that redistributes the connected Dallas and Denver subnets.
B. Enable the passive option on the OSPF interfaces that are connected to the Dallas and Denver subnets.
C. Configure and apply a routing policy that redistributes the Dallas and Denver subnets using Type 5 LSAs.
D. Create static routes on the switches using the local vMX router's loopback interface for the next hop.

정답：A,B

설명：
Explanation
The routers that are directly connected to the Dallas and Denver subnets are not advertising the connected subnets. This can be resolved by redistributing the connected subnets into OSPF1.
Option C suggests to configure and apply a routing policy that redistributes the connected Dallas and Denver subnets. This is correct because redistribution allows routes from one routing protocol to be communicated to another, and in this case, it allows the connected subnets to be advertised through OSPF1.
Option D suggests enabling the passive option on the OSPF interfaces that are connected to the Dallas and Denver subnets. This is also correct because in OSPF, a passive interface is an interface that belongs to the OSPF router, but does not send OSPF Hello packets1. It's typically used on an interface that you don't want to use for OSPF adjacencies, but you still want to advertise its IP address1. Therefore, enabling passive interface can help in advertising the Dallas and Denver subnets.

질문 # 35
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JN0-351덤프샘플 다운: https://www.pass4test.net/JN0-351.html

Pass4Test JN0-351 최신 PDF 버전 시험 문제집을 무료로 Google Drive에서 다운로드하세요: https://drive.google.com/open?id=1by5P9lspWO2C3AamwcsufEk6FWGhpolw