[Update May 2022] Latest JNCIP-DC JN0-681 dumps exam material
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Read the latest JNCIP-DC JN0-681 dumps exam questions and answers online
| Number of exam questions | Exam name | From | Release time |
| 15 | New Data Center, Professional | Lead4Pass | May 14, 2022 |
New Question 1:
Referring to the exhibit, not all routes are being exchanged by EBGP peers.
In this scenario, which BGP parameter would solve this problem?
A. multihop
B. multipath
C. multipath multiple-as
D. as-override
Correct Answer: D
New Question 2:
You need to add perimeter security to the network shown in the exhibit. All traffic must be inspected for attacks. The edge routers are using all available ports. Your solution must maintain both port and device resiliency.
In this scenario, which design would satisfy these requirements?
A. one-arm SRX Series device using LAG
B. one-arm SRX Series chassis cluster
C. inline SRX Series chassis cluster
D. inline SPX Series device using LAG
Correct Answer: A
New Question 3:
You are designing a network for a small data center.
In this scenario, which underlay protocol allows for the simplest implementation?
A. OSPF
B. IBGP
C. EBGP
D. MPLS
Correct Answer: C
New Question 4:
You are configuring VXLAN, and you must ensure that all switches for the multicast groups advertise their existence and learn about other VTEPs.
In this scenario, which protocol will accomplish this task?
A. OSPF
B. BGP
C. EVPN
D. PIM
Correct Answer: C
New Question 5:
Which statement is true about a Data Center Interconnect over an IP network?
A. Layer 2 data must traverse a point-to-point link.
B. Layer 2 data must traverse an MPLS LSP.
C. Layer 2 data must be encapsulated.
D. Layer 3 data must be encapsulated.
Correct Answer: B
New Question 6:
You work in a data center where VMs and hosts are frequently moved. Your design needs to eliminate inefficient traffic flows.
In this scenario, which two solutions will satisfy this requirement? (Choose two.)
A. VXLAN
B. EVPN
C. VMTO
D. VPLS
Correct Answer: AB
New Question 7:
A VXLAN adds 50 to 54 bytes of extra header information to an Ethernet frame.
In this scenario, how would you accommodate this increase?
A. Decrease the number VXLANs used.
B. Increase the MTU on the physical interface connected to the VXLAN network.
C. Only use switches as VTEPs.
D. Increase the MTU on the VTEP interface connected to the VXLAN network.
Correct Answer: B
New Question 8:
A client with five data centers spread around the country uses MPLS L2VPNs to provide point-to-point data center Interconnects between each data center in a full-mesh network. The client is considering an MPLS EVPN implementation.
In this scenario, what are the three advantages of using MPLS EVPN interconnects? (Choose three.)
A. They provide for static configuration that does not require a Dynamic Routing Protocol.
B. They provide for lower transmission latency.
C. They provide for a local proxy ARP/ND resolution.
D. They provide point-to-multipoint connectivity.
E. They provide for MAC learning in the control plane.
Correct Answer: CDE
New Question 9:
You are configuring an EVPN overlay network. You want to ensure that leaf devices can respond to ARP requests from locally connected hosts when the leaf device knows the MAC of the intended destination.
In this scenario, what should you configure on the leaf devices to accomplish this task?
A. proxy ARP
B. static ARP entries
C. persistent MAC learning
D. IGMP snooping
Correct Answer: A
New Question 10:
Which two statements describe MAC address learning for VPLS and EVPN? (Choose two.)
A. EVPN learns MAC addresses in the data plane.
B. VPLS learns MAC addresses in the control plane.
C. VPLS learns MAC addresses in the data plane.
D. EVPN learns MAC addresses in the control plane.
Correct Answer: CD
New Question 11:
After configuring an IP fabric using EBGP as your routing protocol, you notice that not all of the routes are showing up in the routing tables. You have verified that all adjacencies have formed and that all policies are in place and configured properly.
In this scenario, which statement is true?
A. The routers have not been configured with the multipath multiple-as parameter.
B. The routers have not been configured using the add-path parameter.
C. The routers have not been configured using the BFD-liveness-detection parameter.
D. The routers have not been configured using the multihop parameter.
Correct Answer: D
New Question 12:
Referring to the exhibit, DC1 and DC2 have a DCI across a service provider WAN connection. Host1 in DC1 must have Layer 2 connectivity to host2 in DC2. A VXLAN tunnel must be created between VTEP1 and VTEP2.
In this scenario, which statement is true?
A. The service provider’s WAN connection cannot be an MPLS-based WAN connection.
B. VXLAN Layer 3 gateway must be provisioned at the Super Spine layer.
C. A route to the loopback address on VTEP2 must be present on VTEP1.
D. VTEP1 and VTEP2 must peer using IBGP.
Correct Answer: C
New Question 13:
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 ESI assigned to the host1 link will be different from the ESI assigned to the host2 link.
B. The VNI assigned to the host1 link must be the same as the VNI 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.
Correct Answer: CD
New Question 14:
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 Host 1 and Host 2 send traffic to each other.
B. Leaf 2 learns Host 1\’s MAC address through periodic updates from Spine 2.
C. Leaf 2 learns Host 1\’s MAC address when Host 3 learns Host 1\’s MAC address.
D. Leaf 2 learns Host 1\’s MAC address when Leaf 1 queries Host 1.
Correct Answer: D
New Question 15:
You want to configure redundant Layer 3 gateways.
In this scenario, which two Juniper best practices would accomplish this task? (Choose two.)
A. configuring both IRB interfaces manually with the same MAC address.
B. allowing Junos to dynamically create the virtual IP address of the IRB interface.
C. configuring both IRB interfaces manually with the same IP address.
D. allowing Junos to dynamically create the virtual MAC address of the IRB interface.
Correct Answer: CD
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