Juniper Juniper Certifications JN0-1302 Questions & Answers

• Question 71:

  Your company is deploying a private cloud based on OpenStack and has selected Contrail Networking as their SDN controller. The data center supporting this private cloud will use an IP fabric architecture consisting of QFX Series switches and MX Series routers.

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

  A. All vRouters maintain identical forwarding tables for all virtual networks.

  B. SDN Gateway devices may contain per-tenant MAC and IP addresses.

  C. Each vRouter maintains separate forwarding tables for various virtual networks.

  D. Spine and leaf devices may contain per-tenant MAC and IP addresses.

  Correct Answer: BC

• Question 72:

  You are designing a QoS scheme for your data center. You must ensure lossless Ethernet. What are three protocols that would be used in this scenario? (Choose three.)

  A. TRILL

  B. SPB

  C. ETS

  D. DCBx

  E. PFC

  Correct Answer: CDE

• Question 73:

  Within a customer's data center, one departmental server is transmitting all of its network traffic marked with an IP precedence value of 6. The ingress switch must change this precedence before forwarding it to the rest of the network.

  Which CoS feature would be used to accomplish this task?

  A. multifield classification

  B. rewrite rules

  C. class-based forwarding

  D. behavior aggregate classification

  Correct Answer: B

• Question 74:

  Click the Exhibit button.

  

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

  A. The vSRX is not performing microsegmentation.

  B. The vSRX is working in routed mode.

  C. The vSRX is working in transparent mode.

  D. The vSRX is performing microsegmentation.

  Correct Answer: BD

• Question 75:

  Click the Exhibit button.

  

  Given the physical layout of the data center shown in the exhibit, which two statements are correct? (Choose two.)

  A. A single access tier exists for an entire row of servers.

  B. Each rack is managed as a single unit within the data center.

  C. Cable run lengths are minimized.

  D. The layout requires minimal uplinks.

  Correct Answer: AB

• Question 76:

  You are asked to design a DCI that offers policy control, active/active multihoming with load balancing, and minimizes flooding of BUM traffic.

  Which DCI implementation satisfies these requirements?

  A. EVPN

  B. circuit cross-connect

  C. BGP Layer 2 VPN

  D. VPLS LAG

  Correct Answer: A

• Question 77:

  Your company is deploying a private cloud based on OpenStack and has selected Contrail Networking as their SDN controller. As part of this solution, you must implement distributed firewall capabilities.

  In this scenario, which Contrail component implements this function?

  A. vRouter

  B. vSwitch

  C. compute node

  D. installer

  Correct Answer: A

• Question 78:

  Click the Exhibit button.

  

  Given the information shown below.

  2 spine nodes with (4) 40GbE interfaces each

  4 leaf nodes:

  Each leaf node has half-utilized (24) 10GbE interfaces.

  Each leaf node has (1) 40GbE interface to each of the 2 spine nodes.

  What is the oversubscription ratio for the IP fabric shown in the exhibit?

  A. 1:1

  B. 4:1

  C. 3:1

  D. 2:1

  Correct Answer: C

• Question 79:

  You are designing an EVPN/VXLAN overlay network for your data center. You are planning on reusing some of your existing devices that do not support VXLAN routing.

  Which gateway model should be deployed to support this architecture?

  A. spine gateway

  B. leaf gateway

  C. server based gateway

  D. underlay gateway

  Correct Answer: A

• Question 80:

  You are designing an IP fabric ASN scheme using EBGP.

  What are two acceptable ranges in this scenario? (Choose two.)

  A. 0 – 512

  B. 100001 – 199999

  C. 64512 – 65535

  D. 4200000000 – 4294967294

  Correct Answer: CD