最新版的JN0-351考試心得，免費下載JN0-351學習資料得到妳想要的Juniper證書

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Juniper JN0-351 Exam Syllabus Topics:

SectionObjectives
BGP- BGP configuration and troubleshooting
OSPF- OSPF configuration and troubleshooting
IS-IS- IS-IS configuration and troubleshooting
Layer 2 Security- Port security implementation
- Common Layer 2 attack mitigation
- DHCP snooping
- Dynamic ARP inspection
Tunnels- Tunnel technologies
Spanning Tree Protocol- Port roles interpretation
- Loop prevention and redundancy
- Convergence issues identification
- STP topology design and troubleshooting
- Bridge priority and port cost optimization
High Availability- High availability design and integration
- VRRP and redundancy protocols
Protocol Independent Routing- Routing fundamentals
Layer 2 Switching or VLANs- Ports and tagging
- Inter-VLAN routing
- Configuration, monitoring, and troubleshooting
- VLAN concepts and functionalities
- Frame processing
- Bridging components
- Native VLANs and voice VLANs

>> JN0-351考試心得 <<

完全覆蓋的JN0-351考試心得 |第一次嘗試輕鬆學習並通過考試和準確的Juniper Enterprise Routing and Switching, Specialist (JNCIS-ENT)

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最新的 JNCIS-ENT JN0-351 免費考試真題 (Q21-Q26):

問題 #21
You implemented the MAC address limit feature with the shutdown action on all interfaces on your switch.
In this scenario, which statement is correct when a violation occurs?

答案：A

解題說明：
Explanation
When the MAC address limit feature with the shutdown action is implemented on a switch, if a violation occurs, the interface is disabled and a system log entry is generated1. If the switch has been configured with the port-error-disable statement, the disabled interface recovers automatically upon expiration of the specified disable timeout1. However, if the switch has not been configured for auto-recovery from port error disabled conditions, you must manually clearthe violation by running the clear ethernet-switching port-error command for the interface to send and receive traffic again1. This explanation is based on the Enterprise Routing and Switching Specialist (JNCIS-ENT) documents and learning resources available at Juniper Networks1.


問題 #22
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?

答案：C


問題 #23
You want to use filter-based forwarding (FBF) on your Internet peering router to load-balance traffic to two directly connected ISPs based on the source address.
Which two statements are correct in this scenario? (Choose two.)

答案：A,C

解題說明：
Option B is correct. Filter-based forwarding (FBF), also known as Policy Based Routing (PBR), uses the forwarding routing instance type12.
Option C is correct. Routing Information Base (RIB) groups are used to copy routes from one routing table to another34. In the context of FBF, RIB groups can be used to copy routes from the inet.0 routing table34.
Option A is incorrect. FBF does not use the no-forwarding routing instance type15.
Option D is incorrect. RIB groups are not used to hide routes in the inet.0 routing table34. They are used to share or copy routes between different routing tables34.


問題 #24
A recent security audit indicates that peer-to-peer applications are allowed on the guest VLAN and employees may have been using the guest VLAN for this purpose. You deploy the configuration shown in the exhibit, but it does not stop the peer-to-peer traffic.

In this scenario, what must you do to implement the security policy?

答案：D


問題 #25
An update to your organization ' s network security requirements document requires management traffic to be isolated in a non-default routing-instance. You want to implement this requirement on your Junos-based devices.
Which two commands enable this behavior? (Choose two.)

答案：A,C

解題說明：
To isolate management traffic in a non-default routing-instance on Junos-based devices, you can use the set system management-instance and set routing-instances mgmt_junos commands 1 2 .
* set system management-instance : This command associates the management interface (usually named fxp0 or em0 for Junos OS, or re0:mgmt-* or re1:mgmt-* for Junos OS Evolved) with the non-default virtual routing and forwarding (VRF) instance 1 . After you configure the non-default management VRF instance, management traffic no longer has to share a routing table with other control traffic or protocol traffic 1 .
* set routing-instances mgmt_junos : This command creates a new routing instance named mgmt_junos
. The name of the dedicated management VRF instance is reserved and hardcoded as mgmt_junos ; you cannot configure any other routing instance by the name mgmt_junos 1 .
Therefore, options C and D are correct. Options A and B are not correct because they attempt to assign an interface to the mgmt_junos routing instance, which is not necessary for isolating management traffic 1 .


問題 #26
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