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JN0-681 Dumps 2021 - New Juniper JN0-681 Exam Questions
NEW QUESTION 36
You are configuring VXLAN on a network of QFX5100s, and are using the set vlans vlan100 vxlan unreachable-vtep-aging-timer 600 command.
What does this command do?
- A. This command ages out the address of the remote VTEP 600 seconds after the last learned MAC address expires.
- B. This command ages out all learned MAC addresses assigned to the VTEP after 600 seconds of inactivity.
- C. This command ages out a locally learned MAC address assigned to the VTEP after 600 seconds of inactivity.
- D. This command ages out a remotely learned VTEP address after 600 seconds of inactivity.
Answer: A
NEW QUESTION 37
Referring to the exhibit, Host 1 and Host 3 have exchanged traffic.
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In this scenario, which statement is true?
- A. Leaf 2 does not learn Host 1's MAC address until Host1 and Host2 send traffic to each other
- B. Leaf 2 learn Host 1's MAC address when Leaf 1 queries Host 1.
- C. Leaf 2 learn Host 1's MAC address through periodic updates from Spine 2
- D. Leaf 2 learn Host 1's MAC address when Host 3 learns Host 1's MAC address.
Answer: B
NEW QUESTION 38
Host1 and host2 are connected to an EVPN signaled VXLAN overlay, and must have Layer 3 connectivity.
The VNI and VLAN assignments are shown in the exhibit.
In this scenario, which two statements are true? (Choose two.)
- A. The VNI assigned to the host1 link must be the same as the VNI assigned to the host2 link.
- B. The ESI assigned to the host1 link will be different from the ESI assigned to the host2 link.
- C. A Layer 3 gateway can be configured on the spine devices.
- D. A Layer 3 gateway can be configured on the leaf devices.
Answer: C,D
NEW QUESTION 39
An EX9200 switch is acting as a Layer 3 VXLAN gateway.
In this scenario. which action will allow you to communicate between two VLANs?
- A. Configure a VPLS instance.
- B. Configure IRB interfaces to connect the VXLANs.
- C. Configure L3 physical interfaces to connect the VXLANs.
- D. Configure LAG interfaces to connect the VXLANs.
Answer: B
NEW QUESTION 40
What happens when a packet is encapsulated by a VXLAN before being placed in the overlay?
- A. The TTL is decremented by two and placed in the VXLAN header.
- B. A VNI that maps to the VLAN-ID is placed in the VXLAN header.
- C. The QoS markings are placed in the VXLAN header.
- D. The VLAN-ID is placed in the VXLAN header.
Answer: B
NEW QUESTION 41
In the exhibit, VM1 is part of the same VXLAN segment as VM3.
Which type of message will VTEP B initially send to the RP so that VM3 can communicate with VM1?
- A. IGMP Join (S,G)
- B. PIM join
- C. PIM register message
- D. IGMP Join (*, G)
Answer: C
NEW QUESTION 42
What is the purpose of the command shown in the exhibit?
- A. To stop the transmission of transit multicast traffic when there are no interested receives attached to a remote VTEP
- B. To disable the group2390.0.1 across the entire VXLAN.
- C. To stop the reception of transit multicast traffic when there are no interested receives attached to the local VTEP
- D. To disallow IGMP request for the group 239.0.01 from host attached to the local VTEP
Answer: A
NEW QUESTION 43
Referring to the exhibit, not all routes are being exchanged by EBGP peers.
In this scenario, which BGP parameter would solve this problem?
- A. multipath multiple-as
- B. multihop
- C. multipath
- D. as-override
Answer: D
NEW QUESTION 44
You are troubleshooting an L3VPN that is part of an EVPN/MPLS DCI. You notice that the EVPN overlay BGP session toward 10.29.50.4 is unable to establish.
Why is the BGP session failing to establish?
- A. There is no route for 192.168.5.5. in inet 3.
- B. There is no route for 192.168.5.5 an VPN net 0.
- C. The route-distinguisher value on the local PE is incorrect
- D. The vrf-table -label value is not configured in the remote PE.
Answer: A
NEW QUESTION 45
Which two statements are correct when performing a unified ISSU? (Choose two.)
- A. Unicast RPF-related statistics are not saved across a unified ISSU, and the unicast RPF counters are reset to zero during a unified ISSU.
- B. Unicast RPF-related statistics are saved across a unified ISSU, and the unicast RPF counters are not reset to zero during a unified ISSU.
- C. The backup Routing Engine must be running the most recent software version before you can perform a unified ISSU.
- D. The master Routing Engine and backup Routing Engine must be running the same software version before you can perform a unified ISSU.
Answer: A,D
NEW QUESTION 46
Referring to the exhibit, each node in the IP fabric is peering to its directly attached neighbor using EBGP.
Each node is peering using physical interface IP addresses. Leaf 2 and Leaf 3 are advertising the 10.1.1/24 network into EBGP. Spine 2 must be configured so that it can load-share traffic destined to the 10 1.1/24 network over both next-hop A and next-hop B.
Which two actions must be performed to accomplish this task? (Choose two.)
- A. Use advertise inactive
- B. Use multipath multipath-As
- C. Use a load-balancing policy applied to the forward table
- D. Use multihop
Answer: B,C
NEW QUESTION 47
An EVPN-signaled VXLAN overlay has been deployed in the network shown in the exhibit. Host1 is a bare metal server, and is dual-homed to the network. The IP addresses 10.1.1.1/24 and 10.1.1.2/24 are assigned to the same physical NIC, and no virtualization is configured on the server.
In this scenario, which two statements are true? (Choose two.)
- A. Traffic from IP address 10.1.1.1/24 must traverse the VXLAN network to reach IP address 10.1.1.2/24
- B. The connection host1 to devices leaf1 and leaf2 must be configuration a LAG.
- C. The MAC address associated with 10.1.1.1/24 and 10.1.1.2/24 will be same when advertised to leaf3.
- D. The ESI assigned to the host1 link must be the as the ESI assigned to the leaf2 host1 link.
Answer: B,D
NEW QUESTION 48
Which EVPN route type prevents BUM traffic from looping back to a multihomed host?
- A. inclusive multicast-Ethernet tag route
- B. IP prefix route
- C. Ethernet autodiscovery route
- D. Ethernet segment route
Answer: C
NEW QUESTION 49
Which two statements describe EVPN-based VXLAN implementations? (Choose two.)
- A. MAC addresses are propagated using BGP updates.
- B. The movement of a virtual host requires a manual reconfiguration of the VTEP.
- C. MAC addresses are learned using multicast flooding.
- D. The movement of a virtual host results in the dynamic remapping of the VTEP.
Answer: A,D
NEW QUESTION 50
The MC-LAG group shown in the exhibit is providing high availability services for the directly connected servers. The backup liveness detection is applied to the ICL-PL link, however, when one of the members rebooted, there was traffic loss for a few seconds.
In this scenario, where should you apply the backup liveness detection?
- A. On the ae1 interface
- B. On the ae2 interface
- C. On the ae0 interface
- D. On the management interfaces
Answer: D
NEW QUESTION 51
You want to ensure high availability of the Junos devices in your data center.
In this scenario, which three features would accomplish this task? (Choose three.)
- A. graceful Routing Engine switchover
- B. Multiple Spanning Tree Protocol
- C. dual Routing Engines
- D. Virtual Router Redundancy Protocol
- E. virtual private LAN service
Answer: A,C,D
NEW QUESTION 52
VMs on Server-1 and Server-2 are on the same Layer 2 domain within a VCF and are sending traffic to each other.
Referring to the exhibit, which three criteria are used when load-balancing traffic? (Choose three.)
- A. destination IP
- B. incoming port ID
- C. Layer 4 source port
- D. source MAC
- E. EtherType
Answer: B,D,E
NEW QUESTION 53
You have configured MP-IBGP to support EVPN for your overlay network.
However, you are not seeing the expected routes on your edge devices.
Referring to the exhibit, how would you solve this problem?
- A. The family evpn signalingparameter must be configured on the remote peer.
- B. Graceful restart must be disabled for this session.
- C. The family 12vpn signalingmust be configured on the local peer.
- D. The group types on both devices should be set to external.
Answer: A
NEW QUESTION 54
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Through delivering network services and infrastructure, Juniper helps companies to build high-performance networks. The Juniper Networks Junos OS Professional Data Center JN0-681 is one of the exams for individuals who have an understanding of advanced data center networking skills and data center systems. Furthermore, JN0-681 focuses on skills for data center networking practitioners who have specialized in the concepts of data center architecture, as well as Dynamic Host Configuration Protocol, MC-LAG, VXLAN, Traffic isolation, and more. What’s more, JN0-681 exam is centered on the implementation of data center management strategies.
Juniper JN0-681 Exam Practice Test Questions: https://www.prep4king.com/JN0-681-exam-prep-material.html
