JN0-682問題集、Juniper実際の試験問題

質問 1

You are asked to enable plug-and-play line card switches in an active VCF without making any future Junos configuration charges. You are also required to ensure that all new line card are automatically upgrade to the correct Junos version without any manual intervention. In this scenario, which two actions will accomplish this task? (Choose two.)

A. Configure the auto-sw-update parameter on the VCF before inserting new line cards.

B. Ensure that the newly instead card's MAC addresses are present in the DHCP configuration for ZTP.

C. Set the virtual Chassis as auto-provisioned before the line cars are inserted.

D. Set the Virtual Chassis as per-provision before the line are inserted.

正解: A,C

解説: (PassTest メンバーにのみ表示されます)

質問 2

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.)

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

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

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.

正解: A,B

解説: (PassTest メンバーにのみ表示されます)

質問 3

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

A. Two spine and 28 leaf nodes

B. two spine nods and 16 leaf nodes

C. Four spine nods and 20 leaf nodes

D. Four spine nods with 16 leaf nodes

正解: C,D

解説: (PassTest メンバーにのみ表示されます)

質問 4

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.)

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

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

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

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

正解: B,D

質問 5

Which protocol replicates forwarding information between MC-LAG peers?

A. ICCP

B. VCCP

C. VRRP

D. LLDP

正解: A

解説: (PassTest メンバーにのみ表示されます)

質問 6

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.)

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

B. Increase the number of spine nodes in your design.

C. Reduce the number of leaf nodes on your design.

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

正解: B,D

解説: (PassTest メンバーにのみ表示されます)

質問 7

Which three statements are correct about multitenancy in a Junos EVPN environment? (Choose three.)

A. MAC-VRF instances allow for overlapping routes and VLANs.

B. Virtual switch instances allow for varying EVPN services on the same device.

C. VRF instances allow for overlapping subnets.

D. Virtual switch instances allow for overlapping VLANs.

E. MAC-VRF instances allow for varying EVPN services on the same device.

正解: A,B,C

質問 8

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?

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

B. Host1 and host2 must be placed in the same VRF

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

D. A DCI connected must be created between the VLANs

正解: C

質問 9

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

A. XML

B. SLAX

C. JSON

D. GPB

正解: C,D

解説: (PassTest メンバーにのみ表示されます)

質問 10

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

A. RIP

B. EBGP

C. IS-IS

D. OSPF

正解: B

解説: (PassTest メンバーにのみ表示されます)

質問 11

You have a data center design with multiple tenants using routing instances.
In this scenario, what are two ways to provide inter-tenant communications? (Choose two.)

A. Use EVPN type-6 routes.

B. Use RIB groups.

C. Use EVPN type-7/8 routes.

D. Use filter-based forwarding.

正解: A,C

質問 12

What is the purpose of the command shown in the exhibit?

A. To disallow IGMP request for the group 239.0.01 from host attached to the local VTEP

B. To disable the group2390.0.1 across the entire VXLAN.

C. To stop the transmission of transit multicast traffic when there are no interested receives attached to a remote VTEP

D. To stop the reception of transit multicast traffic when there are no interested receives attached to the local VTEP

正解: C

質問 13

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

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

B. Each spine should peer with each leaf using physical addresses.

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

D. Each spine should peer with each leaf using loopback addresses.

正解: B

質問 14

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 management interfaces

C. On the ae2 interface

D. On the ae0 interface

正解: B

質問 15

A customer wants to connect two data centers on different subnets using EVPN. What are two implications of using different IP subnets at each site? (Choose two.)

A. MAC addresses will not need to be advertised between the data centers.

B. MAC addresses will need to be advertised between the data centers.

C. Using different IP subnets at each site allows Layer 3 gateways to exchange only type-5 routes.

D. Using different IP subnets at each site allows Layer 3 gateways to exchange only type-3 routes.

正解: B,C

解説: (PassTest メンバーにのみ表示されます)

Juniper Data Center, Professional (JNCIP-DC) - JN0-682 模擬練習