Data Center, Professional (JNCIP-DC) JN0-682 Dumps - Latest For Juniper JN0-682 Exam Preparation

Data Center, Professional (JNCIP-DC) JN0-682 Dumps – Latest For Juniper JN0-682 Exam Preparation

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Page 1 of 5

1. You are troubleshooting a connectivity issue across a VXLAN overlay network. In the exhibit, you are using the ping overlay command from a local VTEP residing on a OFX 5120 to a remote VTEP residing on a separate QFX5120.

What is the problem in this situation?

The VXLAN controller is down.

VXLAN VN1100 is not configured on the local VTEP

VXLAN VN1100 is not configured on the remote VTE

VXLAN VN1100 is not configured on both end points.

2. You are an architect for an enterprise organization that currently operates three data centers with plans to expand to five data centers in the next year. You already notice large amounts of BUM flooding and must control this issue before implementing the next two data centers.

Which feature would address this issue?

type-5 routes

type-6 routes

mesh groups

VXLAN BUM traffic filter

3. You are logged in to Leaf 1.

When examining the routing table, you notice that you have no routes from Leaf 2.

Referring to the exhibit, which two commands would you use to troubleshoot the problem? (Choose two.)

From Leaf 2, issue the show route advertising-protocol bgp 172.16.1.2 command.

From Spine 1, issue the show route advertising-protocol bgp 172.16.1.1 command.

From Spine 1, issue the show route advertising-protocol bgp 172.16.1.2 command.

From Leaf 1, issue the show route receive-protocol bgp 172.16.1.1 command.

4. You have deployed a multitenant EVPN-VXLAN fabric. You must have the routes in the BLUE VRF show up in the RED VRF.

In this scenario, how would you achieve this goal?

Configure a VRF export policy on the BLUE VRF that matches the RED VRF route target.

Configure the RED route target in the BLUE VR

Configure the BLUE route target in the RED VR

Configure a VRF import policy on the RED VRF that matches the BLUE VRF route target.

5. You are building an IP fabric underlay for your data center. You are asked to ensure that the two spine devices are in the same AS (65000) while the six leaf devices are in a different AS (65512).

In this scenario, which two statements are correct by default? (Choose two.)

All BGP routes advertised by a leaf device will be accepted on the spine devices.

A leaf device will accept all BGP routes received from the spine that were originated from another leaf device.

All BGP routes advertised by a leaf device will be rejected on the spine devices.

A leaf device will reject all BGP routes received from the spine that were originated from another leaf device.

6. Which two statements describe MAC address learning for VPLS and EVPN? (Choose two.)

VPLS learns MAC addresses in the data plane

EVPN learns MAC addresses in the data plane

EPLS learns MAC addresses in the control plane

EVPN learns MAC addresses in the control plane

7. 1.When considering VRF routing-instances for network segmentation, which two statements are true? (Choose two.)

A logical interface can participate in multiple VRFs.

Multiple VRFs on a single device consolidate routing information to a single table.

VRFs have independent routing tables.

VRFs support overlapping subnets.

8. You are asked to deploy 20 QFX Series devices using ZTP Each QFX5 100 requires FTP server.

In this scenario, which two component must you configure on the DHCP Server? (Choose two.)

The MAC address of the FTP server

The IP address of the FTP server

The MAC address of each QFX5100

The MAC address of each FTP QFX5100

9. Which two statements describe a VXLAN network identifier (VNI)? (Choose Two)

A VNI identifies the inner MAC frame.

A VNI identifies a VXLAN segment I

A VNI allows only 512 VLANs.

A VNI validates the remote VTE

10. What are the two valid types of VXLAN signaling? (Choose two.)

EVPN

RSVP

RSTP

MPLS

Page 2 of 5

11. A client with five data centers spread around the country uses MPLS L2VPNs to provides point- to- point data center interconnect between each data center in a full-mesh network. The client Is considering an MPLS EVEN implementation.

In this scenario, what are three advantages of using MPL5 EVEN interconnects? (Choose two.)

The provide for static configuration that does not require a Dynamic Routing Protocol

They provide for a local proxy ARP/ND resolution.

They provide for point to multipoint connectivity

They provide for a MAC learning in the control plane.

They provide for lower transmission latency.

12. You are asked to design a deployment plan for a large number of QFX Series switches using

ZTP. The ZTP deployment plan must ensure all switches are configured with their designated configuration file.

Which DHCP option and subscription combination would be used to accomplish this task?

DHCP option 43 a suboption of 00.

DHCP option 66 a suboption of 01.

DHCP option 66 a suboption of 00.

DHCP option 43 a suboption of 01.

13. Referring to the exhibit,

what effect does EVPN core isolation have?

Leaf 1 will send a pause frame to each connected host.

Leaf 1 will place the interfaces to connected hosts into LACP passive mode.

Leaf 1 will take down all revenue interfaces.

Spine 1 will block all traffic.

14. Which EVPN router type prevents BUM traffic from looping back to a multihued host?

Ethernet segment router

IP prefix route

Ether auto discovery route

Inclusive multicast-Ethernet tag route

15. Which two statements are true Virtual Chassis? (Choose two.)

By default, Junos switches are in non-mixed mode virtual chassis.

The request virtual-chassis mode fabric reboot command will set the Virtual Chassis to fabric mode with similar devices

By default, Junos switches are in a mixes mode Virtual Chassis

The request virtual-chassis mode fabric reboot command will set the Virtual Chassis to mixed mode.

16. What is the endpoint of a VXLAN tunnel?

DLCI

VTEP

LSR

VCF

17. You are building an IP fabric underlay network for your new data center. You must ensure that you have predictable load-balancing behavior throughout your network.

According to Juniper Networks, what are two best practices that should be followed in this scenario? (Choose two.)

All leaf devices must be identical to the spine device models including the same installed line cards.

All spine devices should be identical models including the same installed line cards.

Every leaf device should have an identical uplink to every other leaf device.

Every leaf device should have an identical uplink to every spine device.

18. An EVPN-signaled VXLAN overlay has been deployed in the network shown in the exhibit. An EVPN LAG has been configured to connect host1 to the network, and device leaf1 has been elected as the designated forwarder.

In this scenario, which statement is true?

The Ieaf3 device can utilize both leaf1 and Ieaf2 to forward unicast packets from host2 to host1.

An ICCP control link must be configured between leaf1 and Ieaf2.

The Ieaf3 device will only receive an advertisement to the LAG segment from leaf1.

Broadcast packets sent from host2 will not be forwarded to Ieaf2.

19. 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?

OSPF

EVPN

PIM

BOP

20. Which IP fabric underlay protocol provides the highest degree of scalability?

IS-IS

RIP

EBGP

OSPF

Page 3 of 5

21. You are attempting to configure filter-based forwarding in your data center. All traffic from Host1 that is going to Host2 should be inspected by the data center firewall. You have verified that the traffic is being forwarded from router leaf L1's VRF-1 to its INSPECT-VRF. However, the traffic is not reaching service L2.

Referring to the exhibit, which two steps should you take to troubleshoot the problem? (choose two.)

Examine the INSPECT-VR

evpn 0 route table on L1 for a default route that will direct the traffic to L2.

Examine the INSPECT-VR

inet. 0 route table on L1 for a default route that will direct the traffic to L2.

Ensure that VRF-1 and INSPECT-VRF route targets on L1 and L2 match.

Ensure that the route target in the INSPECT-VRF of L1 matches the route target of the INSPECT- VRF of L2.

22. You have a two spine and four leaf CRB topology and you must ensure that the hosts connected to the leaf devices have reachability to all IRB interface addresses, including the local spine IRB addresses, and the virtual gateway address.

Which two configuration parameters must be used to accomplish this task? (Choose two.)

Configure a spine-to-spine BGP peering as part of the overlay.

Configure virtual-gateway-accept-data under the IRB interface.

Configure a spine-to-spine EVPN peering as part of the routing instance.

Configure proxy-macip-advertisement under the IRB interface.

23. You are considering deploying a MAC-VRF type routing instance with a VLAN-bundle service type.

In this scenario, which two statements are correct? (Choose two.)

It can be implemented in a bridge overlay architecture.

VLAN normalization is supported.

Multiple VLAN IDs per EVI are supported.

It can be implemented in an ERB architecture.

24. What is an advantage that EVPN has over VPLS when used for DCI?

mass MAC withdrawal

transparent BPDU transport

active/standby multihoming

reverse path forwarding

25. You are an engineer for a hosting company. You have a new customer that wants the ability to connect any VLAN on any port. They want to have all VLANs map to a single bridge domain and EVPN instance (EVI). They control all their own routing and just need the connectivity.

Which two parameters should you configure to achieve these goals? (Choose two.)

instance-type mac-vrf

service-type vlan-aware

service-type vlan-bundle

instance-type virtual-switch

26. You are asked to manage the oversubscription ratio of your spine and leaf IP fabric. You determine that you are at a 3:1 ratio of downstream to upstream traffic and must achieve a 1.1ratio.

In this scenario, which two actions would you take to achieve this goal? (Choose two.)

Reduce the number of leaf nodes on your design.

Increase the number of spine nodes in your design.

Increase the number of server facing ports that each leaf node uses to carry traffic.

Reduce the number of server facing that each leaf node uses to carry traffic.

27. You have deployed a VXLAN as shown in the exhibit Leaf1, leaf3, spine1, and spine2 have been

configured as VTEPs. Host1 cannot communicate with host2.

Referring to the exhibit, how would you solve this problem?

The VLAN ID on the connected to host2 must be changed to VLAN 100

A DCI connected must be created between the VLANs

Host1 and host2 must be placed in the same VRF

A layer 3 VXLAN gateway must be configured on at least on at least one of the devices

28. You want to configure redundant Layer 3 gateways

In this scenario, which two juniper best practices would accomplish this task? (Choose two.)

Allowing Junos to dynamically create the virtual MAC address of the IRB interface

Configuring both IRB interfaces manually with the same IP address

Configuring both IRB interfaces manually with the same address

Allowing Junos to dynamically create the virtual IP address of the IRB interface

29. 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?

The route-distinguisher value on the local PE is incorrect

There is no route for 192.168.5.5 an VPN net 0.

There is no route for 192.168.5.5. in inet 3.

The vrf-table abel value is not configured in the remote P

30. Which two statements are correct about VXLAN domains? (Choose two.)

With Layer 2 traffic, the VLAN ID is discarded before the packet is sent.

With Layer 3 traffic, the VLAN ID is discarded before the packet is sent.

With Layer 2 traffic, the VLAN ID is transmitted within the packet.

With Layer 3 traffic, the VLAN ID is transmitted within the packet.

Page 4 of 5

31. Your manager asks you to secure ARP and DHCP traffic across your local Ethernet links.

In this scenario, which technology will accomplish this task?

SSL

MAC sec

IPsec

A firewall filter

32. You are asked to implement VXLAN in your data center network. You must choose between implementing EVPN signaling and multicast signaling .

Which two statements are correct in this scenario? (Choose two.)

EVPN signaling reduces ARP flooding and multicast signaling does not.

EVPN signaling propagates MAC addresses across the network and multicast signaling does not.

EVPN signaling uses a standards-based protocol and multicast signaling does not.

EVPN signaling enables distributed Layer 3 gateways and multicast signaling does not.

33. You are troubleshooting a traditional Clos Layer 3 IP fabric in your data center.

You are reviewing the BGP configuration for one of your spine devices.

Referring to the exhibit, which statement is correct?

This spine device will not install multiple next hops for remote destinations in its routing table.

This spine device will not install any routes for remote destinations in its routing table.

This spine device has three neighboring leaf devices.

This spine device has three neighboring spine devices.

34. Which two statements define the use of route targets and route distinguishers in an EVPN? (Choose two.)

Route distinguishers ensure that routes from different client remain unique within the data center domain

Route targets ensure that routes from different clients remain unique within the data center domain

Route distinguishers identify the VRF into which the route should be placed

Route targets identify the VRF into which the route should be placed

35. What are two streaming data formats supported for network analytics? (Choose two.)

GPB

XML

JSON

SLAX

36. In the exhibit, VM1 is part of the same VXLAN segment as VM3.

Which type of message will R1 initially send to R2 so that VM1 receives BUM traffic from VM3?

PIM Join

PIM Register message

IGMP Join (S, G)

IGMP Join (*.G)

37. Which two combinations are supported when configuring a Virtual Chassis Fabric? (Choose two.)

Four spine nods and 20 leaf nodes

Four spine nods with 16 leaf nodes

two spine nods and 16 leaf nodes

Two spine and 28 leaf nodes

38. You are asked to deploy an Ethernet bridging design in a data center with the criteria shown below.

-Routing must occur on the spine devices.

-VTEPs must terminate on the leaf devices.

-Facilitate inter-VLAN communication.

-Layer 2 gateways must be present on spine and leaf devices.

Which architecture should you use in this scenario?

edge-routed bridging architecture

centrally-routed bridging architecture

bridge overlay architecture

collapsed spine architecture

39. You are asked to enable visibility into your EVPN-VXLAN network traffic by monitoring traffic continuously .

Which two statements are correct in this scenario? (Choose two.)

You cannot enable sFlow monitoring on each interface individually.

The sFlow agent is installed by default on your OFX Series switch.

You must enable sFlow monitoring on each interface individually.

The sFlow agent needs to be manually installed on your QFX Series switch.

40. You are designing a network for a small data center.

In this scenario, which underlay protocol allows for the simplest implementation?

EBGP

OSPF

IGGP

MPLS

Page 5 of 5

41. Site 1 contains 20+ VMs. The link between Site 1 and Leaf1 goes down.

Referring to the exhibit, which statement is correct?

Type-1 routes for each VM will expire one at a time.

Type-1 routes for all VMs in the site will expire all at once.

Type-1 routes for all VMs in the site will be withdrawn all at once.

Type-1 routes for each VM will be withdrawn one at a time.

42. The two data centers shown in the exhibit need to be connected using EVPN .

Which two statements are correct in this situation? (Choose two.)

Hosts in VLAN 10 can communicate with hosts in Data Center 2 using Layer 3.

Hosts in VLAN 10 can communicate with hosts in Data Center 2 using Layer 2.

Hosts in VLAN 202 can communicate using Layer 3 between data centers.

Hosts in VLAN 202 can communicate using Layer 2 between data centers.

43. You are deploying an EBGP IP fabric. In this scenario, which statement is true?

Each spine should peer with every other spine using physical addresses.

Each spine should peer with each leaf using loopback addresses.

Each spine should peer with every other spine using loopback addresses.

Each spine should peer with each leaf using physical addresses.

44. You want to enable an EBGP-based IP fabric to allow ECMP routes to be populated into the RIB.

In this scenario, which action will accomplish this task?

Enable the forwarding-options ecmp-do-local-lookup parameter.

Enable the multipath multiple-as BGP parameter.

Enable the routing-options multipath global parameter.

Enable the chassis ecmp-alb parameter.

45. 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?

Proxy ARP

Static ARP entries

Persistent MAC learning

IGMP snooping

Data Center, Professional (JNCIP-DC) JN0-682 Dumps – Latest For Juniper JN0-682 Exam Preparation