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Juniper JN0-683 Data Center Professional (JNCIP-DC) Exam Exam Practice Test

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Total 66 questions

Data Center Professional (JNCIP-DC) Exam Questions and Answers

Question 1

What are two ways in which an EVPN-signaled VXLAN is different from a multicast-signaled VXLAN? (Choose two.)

Options:

A.

An EVPN-signaled VXLAN can perform autodiscovery of VTEPs using IS-IS.

B.

An EVPN-signaled VXLAN can perform autodiscovery of VTEPs using BGP.

C.

An EVPN-signaled VXLAN is less resource intensive.

D.

An EVPN-signaled VXLAN features slower and more complete convergence.

Question 2

You are asked to deploy 100 QFX Series devices using ZTP Each OFX5120 requires a different configuration. In this scenario, what are two components that you would configure on the DHCP server? (Choose two.)

Options:

A.

the IP address of the FTP server

B.

the MAC address for each OFX5120

C.

the MAC address of the FTP server

D.

the management IP address for each OFX5120

Question 3

Exhibit.

Question # 3

Referring to the configuration shown in the exhibit, assume that there is no external router present, and that the configuration is fabric-only.

Which two statements are true about the example configuration? (Choose two.)

Options:

A.

VNI 10006 is assigned to vlan 800 (irb.800).

B.

Devices in irb.400 (vlan 400) are not able to communicate directly with devices in routing instance Customer A.

C.

Devices in routing instance Customer A are able to communicate with devices in routing instance Customer B

D.

Devices in irb.400 (vlan 400) and irb.800 (vlan 800) are able to communicate over the fabric.

Question 4

Exhibit.

Question # 4

Host A is connected to vlan 100 on lead. Host B is connected to vlan 200 on leaf1. Host A and Host B ate unable to communicate. You have reviewed the touting and your hosts have the correct default route (.1)

Referring to the exhibit, which two commands will solve the problem? (Choose two.)

Options:

A.

delete vlans vn200 13-interface irb.200

B.

set interfaces irb unit 100 family inet address 192-168.100.1

C.

set routing-options static route 0.0.0.0/0 next-hop 192.168.200.10

D.

set vlans vn100 13-interface irb.100

Question 5

Why is a designated forwarder required in a multihomed CE-to-PE VXLAN environment using EVPN signalling?

Options:

A.

The designated forwarder is required to prevent packets from looping between the PEs.

B.

The designated forwarder is required to prevent flooding of MAC addresses to multihomed hosts.

C.

The designated forwarder is required to prevent a traffic storm from being received on multihomed hosts.

D.

The designated forwarder is required to prevent duplicate packets from being received on multihomed hosts.

Question 6

A local VTEP has two ECMP paths to a remote VTEP

Which two statements are correct when load balancing is enabled in this scenario? (Choose two.)

Options:

A.

The inner packet fields are not used in the hash for load balancing.

B.

The destination port in the UDP header is used to load balance VXLAN traffic.

C.

The source port in the UDP header is used to load balance VXLAN traffic.

D.

The inner packet fields are used in the hash for load balancing.

Question 7

You are preparing an sFlow monitoring system configuration.

In this scenario, what Information will be included in the datagram sent to the sFlow collector? (Choose two.)

Options:

A.

the interlace through which the packets entered the agent

B.

the sending device's serial number

C.

the CRC from the sampled packet

D.

the source and destination VLAN for sampled packets

Question 8

You are asked to interconnect two of your company's data centers across an IP backbone. Both data centers require Layer 2 and Layer 3 connectivity. In this scenario, which three actions would accomplish this task? (Choose three.)

Options:

A.

Advertise Type 2 EVPN routes across the DCI.

B.

Ensure border leaf nodes in each data center can exchange EVPN routes.

C.

Ensure there is a full mesh of VTEPs between all spine nodes within both data centers.

D.

Advertise Type 5 EVPN routes across the DCI.

E.

Ensure there is a full mesh of VTEPs between all leaf nodes within data centers.

Question 9

Which two statements are true about IP fabrics using unnumbered BGP? (Choose two.)

Options:

A.

Unnumbered BGP requires that family inet6 is configured on each interface.

B.

Unnumbered BGP peering automatically provisions IPv6 peering.

C.

Unnumbered BGP requires that family inet is configured on each interface.

D.

Unnumbered BGP peering automatically provisions IPv4 peering.

Question 10

Exhibit.

Question # 10

You have implemented an EVPN-VXLAN data center. Device served must be able to communicate with device server2.

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

Options:

A.

An IRB interface must be configured on spine1and spine2.

B.

Traffic from server1 to server2 will transit a VXLAN tunnel to spinel or spine2. then a VXLAN tunnel from spinel or spine2 to Ieaf2.

C.

An IRB Interface must be configured on leaf1 and Ieaf2.

D.

Traffic from server! to server2 will transit the VXLAN tunnel between leaf1 and Ieaf2.

Question 11

Exhibit.

Question # 11

You are troubleshooting a DCI connection to another data center The BGP session to the provider is established, but the session to Border-Leaf-2 is not established. Referring to the exhibit, which configuration change should be made to solve the problem?

Options:

A.

set protocols bgp group overlay export loopbacks

B.

delete protocols bgp group UNDERLAY advertise-external

C.

set protocols bgp group PROVIDER export LOOPBACKS

D.

delete protocols bgp group OVERLAY accept-remote-nexthop

Question 12

You are asked to build redundant gateways in your EVPN-VXLAN environment, but you must conserve address space because these gateways must span across seven PES. What should you implement on the PEs lo satisfy these requirements?

Options:

A.

Use IRB interfaces with the same IP address and different MAC addresses.

B.

Use IRB interfaces with the same IP and VGA.

C.

Use IRB interfaces with the same IP and MAC address.

D.

Use IRB interfaces with different IP addresses and the same VGA.

Question 13

You are deploying a Clos IP fabric with an oversubscription ratio of 3:1.

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

Options:

A.

The oversubscription ratio remains the same when you remove spine devices.

B.

The oversubscription ratio decreases when you add spine devices.

C.

The oversubscription ratio increases when you remove spine devices.

D.

The oversubscription ratio remains the same when you add spine devices.

Question 14

Exhibit.

Question # 14

Referring to the exhibit, Host1 (10.1.1.1) is failing to communicate with Host2 (10.1.2.1) in a data center that uses an ERB architecture. What do you determine from the output?

Options:

A.

The traffic is failing because load balancing is not configured correctly.

B.

The traffic is entering the VXLAN tunnel.

C.

Host1 and Host2 are directly connected to leaf1.

D.

The irb.20 interface is not configured on leaf1.

Question 15

You are asked to interconnect Iwo data centers using a method that provides EVPN Type 2 connectivity, is highly scalable, and limits VXLAN tunnels between border leaf devices. What will satisfy these requirements?

Options:

A.

over the top full-mesh interconnect

B.

EVPN Type 2 stretch

C.

IP VPN

D.

Type 2 seamless stitching

Question 16

Exhibit.

Question # 16

You want to enable the border leaf device to send Type 5 routes of local networks to the border leaf device in another data center. What must be changed to the configuration shown in the exhibit to satisfy this requirement?

Options:

A.

Move vrf-target target: 65000:1 to the evpn hierarchy.

B.

Add a VLAN configuration with an 13-interface to the tenant1 routing instance.

C.

Add encapsulation vxlan to the evpn hierarchy.

D.

Change: 5001 in the route-distinguisher to : 10010.

Question 17

Which three statements are correct about symmetric IRB routing with EVPN Type 2 routes? (Choose three.)

Options:

A.

An L3 interface (IRB) is required for each local VLAN.

B.

Symmetric routing requires MAC-VRF.

C.

Symmetric routing supports the EVPN service VLAN bundle.

D.

Symmetric routing requires an extra transit VNI for each VRF.

E.

Symmetric routing is less efficient than asymmetric routing.

Question 18

You are asked to interconnect two of your company's data centers across the IP backbone. Both data centers have their own unique IP space and do not require any bridging. In this scenario, which two actions would accomplish this task? (Choose two.)

Options:

A.

Configure a Type 2 EVPN route for each unique prefix.

B.

Configure peering for EVPN between border leaf nodes in each data center.

C.

Configure a Type 5 EVPN route for each unique prefix.

D.

Configure peering for EVPN between all leaf nodes within each data center.

Question 19

You are deploying a new network lo support your Al workloads on devices that support at least 400 Gbps Ethernet. There is no requirement for any Layer 2 VLANs in this network. Which network architecture would satisfy this requirement?

Options:

A.

an IP fabric using PIM-SM to signal VXLAN overlay

B.

an IP fabric using the EVPN-MPLS architecture

C.

an IP fabric with an EVPN-VXLAN architecture

D.

an IP fabric using EBGP

Page: 1 / 7
Total 66 questions