Aruba Certified Data Center Architect Exam - HPE7-A04 Exam Practice Test

Question 1

In one of the spine and leaf designs, VMware vSphere is used including VMware NSX. OSPF is used for routing protocol across the spine and leaf topology. What do you need to consider in this design? (Select three)

A. Using an IP MTU of 9198 on leaf-to-spine links

B. Using a L2 MTU of 9198 on leaf-to-spine links

C. Adding an anycast loopback interface on each VSX pair

D. Enabling OSPF in passive interface mode on the NSX transport VLAN

Correct Answer: A,B,D

Question 2

In MMF OM3 fiber type and SFP28 LC SR transceiver option. What is the maximum distance supported by this setup?

A. Up to 50 meters

B. Up to 500 meters

C. Up to 700 meters

D. Up to 70 meters

Correct Answer: D

Question 3

You are involved in a 2-Tier L2 Data Center Design with the following details:
* CX 8325 100G Core Switches
* CX 10000 48-P 25G Access Switches
* 100G SR4 Optical connections between Core and Access
In this design, both the Core Layer and Access Layer consist of pairs of switches configured in VSX for HA.
Core Switches = VSX Pairs of CX 8325 32-port 100G switches (B-F airflow) Each pair uses:
* 2 x 100G QSFP28 1M DACs for ISL
* 1 x 100G QSFP28 1M DAC for Keepalive
* 2 x 100G QSFP28 SR4 Optic to each access switch Each Core switch has 13 available 100G QSFP28 interfaces.
What is the maximum number of racks supported by this design?

A. Solution can scale to 8 total racks using varying subscription rates.

B. Solution can scale to 16 total racks using the same subscription rates.

C. Solution can scale to 7 total racks using the same subscription rates.

D. Solution can scale to 14 total racks using the same subscription rates.

Correct Answer: C

Question 4

Which of the following switches support both Front-to-Back and Back-to-Front airflow?(Select two)

A. 8320

B. 8325

C. 8360

D. 8400

Correct Answer: B,C

Question 5

2-Tier L2 Design
* 6400 100G Core Switches
* 8320 48-P 10G RJ45 Access Switches
* 40G DAC connections between Core and AccessCore Switches = VSX Pairs of 6400 switches (each with 2 x 12-port QSFP28 100G modules) Each pair uses:
* 2 x 1M 100G DAC for ISL
* 1 x 1M 100G DAC for Keepalive
* 2 x 5M 40G DAC to each access switch
Each Spine switch has 5 x 100G interfaces available.
This solution could scale to a maximum of:

A. 12 total racks using same subscription rates

B. 10 total racks using same subscription rates

C. 15 total racks using same subscription rates

D. 7 total racks using same subscription rates

Correct Answer: C

Question 6

What is the transit VLAN that runs between VSX members?

A. It is used as a keepAlive mechanism

B. It is a routed VLAN allowed in the ISL to ensure that the two switches within a VSX pair can learn routes from one another, in potential failover situations

C. Must not be assigned IP addresses on any switch.

D. Must be assigned identical IP address on both of the switches

Correct Answer: B

Question 7

You are planning a leaf and spine topology for a data center. The campus is in a different building; the customer wants to connect the campus network directly to the data center network. To which data center switch or switches do you connect the campus core switches?

A. To two L2 edge switches, which are dedicated to connecting the spine and leaf topology to external networks

B. To two service leaf switches, which are dedicated to connecting the spine and leaf topology to external networks

C. To two border leaf switches, which are dedicated to connecting the spine and leaf topology to external networks

D. To two L3 edge switches, which are dedicated to connecting the spine and leaf topology to external networks

Correct Answer: C

Question 8

You are designing a network based on HPE Aruba CX 10000 switches. Which is a valid reason to recommend manually pinning two VRFs to the same DSM?

A. You have selected this switch to act as the border leader for a multi-fabric EVPN VXLAN design

B. That switch forwards traffic in both VRFs to a third-party firewall for routing

C. You have planned similar policies for those VRFs and want to minimize the load on the switches' rules table

D. That switch leaks routes between those VRFs

Correct Answer: D

Question 9

What materials do you need to include for the solution proposal? (Choose all that apply)

A. Illustrations such as block diagrams

B. BOM (Bill Of Materials)

C. Quote

D. RFP response (for projects with formal RFPs)

E. Data sheets for switches included in the solution

Correct Answer: A,B,C,D

Question 10

What is the maximum distance supported by Active Optical Cables (AOC)?

A. 50 meters

B. 30 meters

C. 7 meters

D. 15 meters

Correct Answer: A

HP Aruba Certified Data Center Architect - HPE7-A04 Exam Practice Test

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