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JN0-682 Sample Questions Answers

Questions 4

What is the endpoint of a VXLAN tunnel?

Options:

A.

DLCI

B.

VTEP

C.

LSR

D.

VCF

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Questions 5

You are asked to implement a monitoring and telemetry solution for the QFX Series devices in

your IP fabric that uses a push model to collect both system event data and statistical data for your QFX Series devices.

Which technology satisfies your requirements?

Options:

A.

JunosXMLAPI

B.

REST API

C.

SNMP

D.

Junos Telemetry Interface

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Questions 6

Referring to the exhibit, you must advertise the Io0.12 interface as a type-5 route.

Which configuration parameter would be used to accomplish this task?

Options:

A.

Configure auto-export under the routing instance.

B.

Configure a vrf-export policy to advertise the interface route under the routing instance.

C.

Configure an export policy to advertise the interface route under protocols evpn.

D.

Configure vrf-table-label under the routing instance.

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Questions 7

A company wants to expect their hosting business and is seeking solutions to supported multiple tenants. Each tenant should be able to configure their own logical interfaces. Also, based on customer needs, all routing features must be supported.

What will satisfy the customer's requirements?

Options:

A.

Bridge domains

B.

Tenant systems

C.

Logical systems

D.

Routing instances

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Questions 8

What are three advantages of using MPLS for data center interconnects? (Choose two.)

Options:

A.

Dedicated MPLS backbones for Layer 1 and Layer 3 DCIs

B.

Any to any connectivity

C.

Dedicated connections between customer sites

D.

Sub 50 ms failover times

E.

Traffic engineering

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Questions 9

You are asked to enable visibility into your EVPN-VXLAN network traffic by monitoring traffi

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

Options:

A.

You cannot enable sFlow monitoring on each interface individually.

B.

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

C.

You must enable sFlow monitoring on each interface individually.

D.

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

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Questions 10

You are deploying a data center switch using ZTP. You want the switch to be upgraded to a specific software image and you want a specific configuration file applied when the switch boots with its factory default configuration.

In this scenario, which three transfer protocols will accomplish this task? (Choose three.)

Options:

A.

TFTP

B.

FTP

C.

SCP

D.

HTTP

E.

NFS

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Questions 11

Which statement is true about the route shown in the exhibit?

Options:

A.

The route target on this route is 1000

B.

The route is an EVPN type-1 route.

C.

The route uses a type-1 route distinguisher.

D.

The VNI for this route is 304.

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Questions 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?

Options:

A.

DHCP option 43 a suboption of 00.

B.

DHCP option 66 a suboption of 01.

C.

DHCP option 66 a suboption of 00.

D.

DHCP option 43 a suboption of 01.

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Questions 13

You want to monitor the value of a MIB object or variable against configured thresholds and generate a corresponding event when the value of a variable crosses a threshold.

In this scenario, which feature should you use to accomplish this task?

Options:

A.

generate-event

B.

Event Script

C.

RMON

D.

Event Policy

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Questions 14

Referring to the exhibit, you want to advertise the IRB routes between both routing instances.

Which two configuration parameters would be applied to accomplish this task? (Choose two.)

Options:

A.

Apply policy irb-A under instance Tenant_c and apply policy irb-c under instance Tenant_A as import policies.

B.

Configure auto-export under both routing instances.

C.

Configure vrf-table-label under both routing instances.

D.

Apply policy irb-A under instance Tenant A and apply policy irb-c under instance Tenant_c as export policies.

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Questions 15

Referring to the exhibit, which statement is correct?

Options:

A.

The exhibit shows a 5-stage IP fabric architecture.

B.

The exhibit shows a collapsed fabric architecture.

C.

The exhibit does not represent a valid fabric architecture.

D.

The exhibit shows a 3-stage IP fabric architecture.

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Questions 16

A VXLAN adds 50 to 54 bytes of extra header information to an Ethernet frame. In this scenario,

how would you accommodate this increased?

Options:

A.

Increase the MTU on the Physical interface connected to the VXLAN network.

B.

Increase the MTU on the VTEP interface connected to the VXLAN network

C.

Only use switches as VTEPs.

D.

Decrease the number VXLANs used

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Questions 17

You are implementing perimeter security for your data center. You need to inspect all traffic Layer 7 and ensure the failure of a port or device will not result in an interruption to traffic flows. In this scenario, which design would satisfy these requirements?

Options:

A.

MX with MC LAG

B.

QFX Virtual Chassis

C.

SRX Chassis cluster

D.

SRX using LAG

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Questions 18

Which two statements about ZTP are true? (Choose two.)

Options:

A.

The image storage service and the DHCP server can be running on different server hosts.

B.

When a switch is booted. DHCP requests are sent only through the management Ethernet interface.

C.

The image storage service must be running on the same server host where the DHCP service is running.

D.

When a switch is booted, DHCP requests are sent through the management interface as well as attached revenue ports.

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Questions 19

You are evaluating which method to use for learning MAC addresses in your VXLAN network. Which statement is true in this scenario?

Options:

A.

Multicast exchanges MAC addresses through data plane learning and is more reliable than EVPN.

B.

EVPN exchanges MAC addresses through control plane learning and is more reliable than multicast.

C.

EVPN exchanges MAC addresses through data plane learning and is more reliable than multicast.

D.

Multicast exchanges MAC addresses through control plane learning and is not more reliable than EVPN.

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Questions 20

Referring to the exhibit, which two statements are correct? (Choose two.)

Options:

A.

The host with the 00:0c:29:08:04:a0 MAC address is not reachable through a VTEP tunnel.

B.

The host with the 00:0c:29:e8:b7:39 MAC address is reachable through a VTEP tunnel.

C.

The host with the 00:0c:29:08:04:a0 MAC address is reachable through a VTEP tunnel.

D.

The host with the 00:0c:29:e8:b7:39 MAC address is not reachable through a VTEP tunnel.

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Questions 21

Referring to the VTEP output shown in the exhibit, which two statements are true?(Choose two.)

Options:

A.

The. MAC address 52:54:00 5e 88 6a belongs to a remote host.

B.

The MAC address 52:54;00 5e 88 6a belongs to a local host.

C.

The MAC address 52:54:00 2c 4b:a2 belongs to a remote host.

D.

The MAC address 52:54:00 2c 4b:a2 belongs to a local host.

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Questions 22

Which two statements about the seamless EVPN-VXLAN stitching interconnect gateways are correct? (Choose two.)

Options:

A.

IBGP is recommended for VXLAN stitching overlays.

B.

Interconnect gateways will rewrite the route target, route distinguisher. and ESI values for each stretched virtual network.

C.

All EVPN routes types are forwarded among interconnect gateways in a full-mesh manner.

D.

The interconnect gateway can reside on the super spine layer of a multi-POD data center.

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Questions 23

Which EVPN route type would be used in DCI situation in which the IP subnets between data center are complete unique?

Options:

A.

Type 4

B.

Type 3

C.

Type 2

D.

Type 5

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Questions 24

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?

Options:

A.

The family evpn signaling parameter must be configured on the remote peer.

B.

Graceful restart must be disabled for this session

C.

The family 12vpn signaling must be configured on the local peer

D.

The group types on both devices should be set to external

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Questions 25

You are asked to increase the overall throughput of an existing IP fabric.

Which two tasks would accomplish this goal? (Choose two.)

Options:

A.

Add one more leaf node to the fabric.

B.

Add one uplink to all existing spine nodes from the newly added leaf node.

C.

Add one more uplink from each leaf node to the newly-added spine node.

D.

Add one more spine node to the fabric.

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Questions 26

In an EVPN multicast environment, which two route types facilitate IGMP join and IGMP leave behavior for multihomed sites? (Choose two.)

Options:

A.

type-7

B.

type-4

C.

type-8

D.

type-3

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Questions 27

What are two types of EVPN routes? (Choose two.)

Options:

A.

ES-lmport route target

B.

Ethernet segment

C.

MAC mobility

D.

MAC advertisement

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Questions 28

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.)

Options:

A.

It can be implemented in a bridge overlay architecture.

B.

VLAN normalization is supported.

C.

Multiple VLAN IDs per EVI are supported.

D.

It can be implemented in an ERB architecture.

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Questions 29

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

Options:

A.

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

B.

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

C.

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

D.

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

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Questions 30

You are asked to configure JTI on the QFX Series devices in your data center fabric. You must use sensors with the least amount of latency. Which type of sensor should you use in this scenario?

Options:

A.

Python sensors

B.

JTI native sensors

C.

analog sensors

D.

JTI OpenConfig sensors

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Questions 31

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.)

Options:

A.

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

B.

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

C.

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

D.

Configure proxy-macip-advertisement under the IRB interface.

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Questions 32

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.)

Options:

A.

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

B.

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

C.

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

D.

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

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Questions 33

You manage a data center with a 5-stage EVPN-VXLAN IP fabric. You notice that there are

suboptimal paths used between the leaf and spine as well as the spine and super spine. What is one way to solve this issue?

Options:

A.

Configure the super spine and spine layers to all use the same ASN.

B.

Configure the spine layer for EBGP and the leaf layer for IBGP

C.

Configure the spine layer so that all spines in a POD share the same ASN.

D.

Configure the leaf layer so that all leaf devices share the same ASN.

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Questions 34

You administer an EVPN-VXLAN fabric. You notice that there is no VXLAN traffic forwarding through the network.

Referring to the exhibit, which modification will solve the problem?

Options:

A.

set firewall family inet filter allow-BGP term 1 from protocol udp set firewall family inet filter allow- BGP term 1 from destination-port 4789

B.

set interfaces et-0/0/49 unit 0 family vxlan

C.

set interfaces et-0/0/49 unit 0 family vpls

D.

set firewall family inet filter allow-BGP term 1 from protocol tcp set firewall family inet filter allow- BGP term 1 from destination-port 4789

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Questions 35

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

Options:

A.

IS-IS

B.

RIP

C.

EBGP

D.

OSPF

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Questions 36

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

Options:

A.

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

B.

Each spine should peer with each leaf using loopback addresses.

C.

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

D.

Each spine should peer with each leaf using physical addresses.

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Questions 37

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

Options:

A.

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

B.

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

C.

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

D.

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

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Questions 38

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

Options:

A.

VPLS learns MAC addresses in the data plane

B.

EVPN learns MAC addresses in the data plane

C.

EPLS learns MAC addresses in the control plane

D.

EVPN learns MAC addresses in the control plane

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Questions 39

You are implementing a second data center and must have some of your VLANs active in both data centers. You must provide high availability, fast reconvergence, and avoid tromboning traffic on these VLANs.

In an over-the-top DCI strategy, which two statements are correct? (Choose two.)

Options:

A.

A single type-5 route for the subnet must be advertised from both data centers.

B.

The VLAN ID and VNI must be the same in both data centers for these VLANs.

C.

The VLAN ID must be the same in both data centers, but the VNI can be different.

D.

A type-5 route for each host must be advertised from the data center where the host resides.

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Questions 40

Which two statements about a DHCP relay in an EVPN-VXLAN fabric are correct? (Choose two.)

Options:

A.

The DHCP client and the DHCP server can reside in different routing instances.

B.

The DHCP client and the DHCP server must reside in the same routing instance.

C.

Anycast gateway addressing is not supported.

D.

Virtual gateway and anycast gateway addressing are both supported.

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Questions 41

Exhibit.

Referring to the exhibit, you want to advertise the IRB routes between both routing instances.

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

Options:

A.

Configure a rib-group policy to advertise interface routes under both routing instances.

B.

Configure vrf-table-label under both routing instances.

C.

Configure auto-export and an vrf-import policy under both routing instances.

D.

Configure a vrf-export policy to advertise interface routes under both routing instances.

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Questions 42

You are asked to scale the available bandwidth within your Clos data center network to support more east-west traffic. In this scenario, what are two ways to accomplish this task? (Choose two.)

Options:

A.

Add leaf devices to increase available paths and bandwidth

B.

Use aggregated interfaces in the fabric.

C.

Add spines to increase available paths and bandwidth.

D.

Interconnect all spines to increase available paths and bandwidth.

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Questions 43

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?

Options:

A.

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

B.

A DCI connected must be created between the VLANs

C.

Host1 and host2 must be placed in the same VRF

D.

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

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Questions 44

Which protocol replicates forwarding information between MC-LAG peers?

Options:

A.

VCCP

B.

ICCP

C.

VRRP

D.

LLDP

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Questions 45

After configuring an IP fabric using EBGP as you protocol, you notice that not all of the routers are showing up in the routing tables. You have verified that all adjacencies have formed, and place and configured properly.

In this scenario, which statement is true?

Options:

A.

The routers have not been configured with the multipath multiple-as parameter.

B.

The routers have not been configured using the bfd-1 Liveness-detection parameter.

C.

The routers have not been configured using the multihop parameter.

D.

The routers have not been configured using the add-path parameter

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Questions 46

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

Options:

A.

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

B.

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

C.

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

D.

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

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Exam Code: JN0-682
Exam Name: Data Center Professional (JNCIP-DC)
Last Update: Mar 25, 2024
Questions: 154
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