JN0-649 PDF VERSION - RELIABLE JN0-649 EXAM PAPERS

JN0-649 Pdf Version - Reliable JN0-649 Exam Papers

JN0-649 Pdf Version - Reliable JN0-649 Exam Papers

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Customizable Enterprise Routing and Switching, Professional (JNCIP-ENT) (JN0-649) practice exams allow you to adjust the time and Juniper JN0-649 questions numbers according to your practice needs. Scenarios of our JN0-649 Practice Tests are similar to the actual JN0-649 exam. You feel like sitting in the real JN0-649 exam while taking these JN0-649 practice exams.

Juniper JN0-649 Exam is a challenging but rewarding certification exam for network engineers seeking to demonstrate their expertise in enterprise routing and switching. Passing the exam and obtaining the JNCIP-ENT certification can help professionals advance their careers and open up new opportunities in the field of network engineering.

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The JN0-649 Exam is part of the Juniper Networks Certification Program (JNCP), which offers a range of certifications at different levels. Enterprise Routing and Switching, Professional (JNCIP-ENT) certification program is recognized worldwide as a benchmark for network professionals. The JNCP is designed to validate the skills and knowledge of network engineers, administrators, and support staff who work with Juniper Networks’ technologies.

Earning the JNCIP-ENT certification demonstrates a candidate's expertise in enterprise routing and switching, making them a valuable asset to any organization. Enterprise Routing and Switching, Professional (JNCIP-ENT) certification is recognized globally and validates the candidate's skills in designing, implementing, and troubleshooting Juniper Networks' enterprise routing and switching platforms.

Juniper Enterprise Routing and Switching, Professional (JNCIP-ENT) Sample Questions (Q68-Q73):

NEW QUESTION # 68
Your enterprise network uses routing instances to support multitenancy. Your Junos devices use BGP to peer to multiple BGP devices. You must ensure that load balancing is achieved within the routing instance.
Which two statements would accomplish this task? (Choose two.)

  • A. Configure the multipath option at the [edit protocols bgp group <group-name> neighbor] hierarchy.
  • B. Configure the multipath option at the [edit routing-instances <instance-name> routing-options] hierarchy.
  • C. Configure the multipath option at the [edit protocols bgp group] hierarchy.
  • D. Configure a load-balance per-packet policy and apply it at the [edit routing-options forwarding-table] hierarchy.

Answer: B,D

Explanation:
* Multitenancy with Routing Instances:
* In a multitenant network, different tenants are isolated using routing instances.
* Each routing instance can have its own routing table and policies.
* BGP and Load Balancing:
* BGP (Border Gateway Protocol) is often used for interconnecting different autonomous systems or for internal routing.
* Load balancing in BGP can be achieved using the multipath feature, which allows the installation of multiple paths to the same destination in the routing table.
* Additionally, configuring per-packet load balancing ensures that traffic is distributed across multiple paths more granularly.
* Configuring Multipath in BGP:
* Hierarchy Considerations: The multipath option must be configured at appropriate hierarchies to ensure it applies to the correct scope (either globally or within a specific routing instance).
Detailed Configuration:
Statement C: Configure a load-balance per-packet policy and apply it at the [edit routing-options forwarding-table] hierarchy.
* Correct: Configuring a load-balance per-packet policy ensures that packets are distributed evenly across multiple paths. This is crucial for achieving effective load balancing.
Configuration Example:
shell
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set routing-options forwarding-table export load-balance-per-packet
Policy Definition Example:
shell
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set policy-options policy-statement load-balance-per-packet term 1 then load-balance per-packet Statement D: Configure the multipath option at the [edit routing-instances <instance-name> routing-options] hierarchy.
* Correct: Configuring multipath within a routing instance ensures that the load balancing feature is applied specifically to that instance, which is crucial in a multitenant environment.
Configuration Example:
shell
Copy code
set routing-instances <instance-name> routing-options multipath
References:
* Useful Juniper Commands
* Juniper Routing Instances and Multipath Configuration
These configurations ensure that load balancing is achieved within each routing instance, leveraging both per-packet load balancing and the multipath feature in Junos OS for BGP. By configuring at the forwarding-table and routing-instance levels, you ensure the load balancing behavior is correctly applied to achieve the desired network performance and redundancy.


NEW QUESTION # 69
What is a supplicant in 802.1x authentication?

  • A. the device being authenticated
  • B. the RADIUS server
  • C. the device that prevents the end user device's access until it is authenticated
  • D. the authenticating device

Answer: A


NEW QUESTION # 70
Referring to the exhibit, which two statements are correct? (Choose two.)

  • A. The DS-2 switch will be root bridge for MSTI 2.
  • B. The DS-1 switch will be root bridge for MSTI 1.
  • C. The DS-2 switch will be root bridge for MSTI 1.
  • D. The DS-1 switch will be root bridge for MSTI 2.

Answer: A,B

Explanation:
DS1 - root bridge for msti 1 (vlan 10-19) - due to bridge priority 4k
DS2 - root bridge for msti 2 (vlan 20-29) - due to bridge priority 4k


NEW QUESTION # 71
Which two statements are true about the 802. 1X output shown in the exhibit? (Choose two.)

  • A. EAPoL traffic will not be sent out of the use ge-0/0/1 interface
  • B. The supplicant is not authenticated using 802. 1X
  • C. The supplicant is authenticated using 802. 1X
  • D. EAPoL traffic will be sent out of the ge-0/0/1 interface.

Answer: B,D


NEW QUESTION # 72
Remote branches connect to the corporate WAN through access switches. The access switches connect to access ports on the WAN distribution switch, as shown in the exhibit. L2PT has previously been configured on the tunnel Layer 2 traffic across the WAN. You decide to move the L2PT tunnel endpoints to the access switches. When you apply the L2PT configuration to the access switches, the ports that connect the access switches to the distribution switch shut down.
Which action would solve this problem?

  • A. Configure a GRE tunnel to encapsulate the L2PT traffic across the WAN.
  • B. Configure the links between the access switches and the distribution switch as a trunk port.
  • C. Disable the BPDU block function on the distribution switch.
  • D. Disable the BPDU block function on the access switches.

Answer: B

Explanation:
* Understanding the Problem:
* The ports between the access switches and the distribution switch are shutting down when the L2PT configuration is applied. This typically happens due to a mismatch in port configurations or protocol incompatibilities.
* Examining the Configurations:
* L2PT (Layer 2 Protocol Tunneling) allows tunneling of Layer 2 traffic, which includes protocols like STP (Spanning Tree Protocol), CDP (Cisco Discovery Protocol), VTP (VLAN Trunking Protocol), etc. over a Layer 2 network.
* If the L2PT is applied on access ports, it may lead to conflicts or shut down the ports as access ports are typically not configured to handle Layer 2 protocol traffic beyond their designated VLAN.
* Solution: Configure Trunk Ports:
* By configuring the links between the access switches and the distribution switch as trunk ports, you allow multiple VLANs to be carried over a single physical link. Trunk ports can carry tagged traffic for multiple VLANs, which includes the tunneled Layer 2 protocols.
* This setup prevents the ports from shutting down and enables the correct tunneling of Layer 2 protocols.
References:
* Juniper Documentation on L2PT Configuration
* Troubleshooting Layer 2 Protocol Tunneling Issues


NEW QUESTION # 73
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