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  5. Aruba Certified Data Center Architect Exam Questions and Answers

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Questions # 21:

You have VSX Pairs of CX 10000 48-Port 25G SFP28 Switches (Front/Port to Back/Power airflow) with 2 DACs for ISL. What is the maximum interface speed for each DAC connection?

Options:
A.

10

B.

50

C.

25

D.

100G DAC

Expert Solution
Questions # 22:

In L3 spine and leaf design

Options:
A.

Spanning Tree is always needed since Spine and Leaf is only there to improve performance

B.

You need to use TRILL to prevent loops

C.

You don't need to use spanning tree for loop prevention

D.

Since all Spine switches are connected to each other, EVPN is needed in this design

Expert Solution
Questions # 23:

In defining availability requirements for applications and services, the applications that directly impact health and safety are called

Options:
A.

Mission-Critical Applications

B.

Team-Critical Applications

C.

Business-Critical Applications

D.

Life-Critical Applications

Expert Solution
Questions # 24:

What is true about the assumption documents

Options:
A.

Must never be included in the solution proposal

B.

Assumptions are so essentials that they need to always be included with every solution

C.

Assumptions are only needed if the customer asks for it

D.

Assumptions vary based on the project

Expert Solution
Questions # 25:

Two VMs on the same ESXi host are assigned to an isolated VLAN 2001 (primary VLAN 1001). The host connects to an HPE Aruba CX 10000 switch on an access port. The switch supports the same PVLAN settings. VM 1 sends traffic to VM 2. Which policy or policies does the switch apply (assuming that they exist)?

Options:
A.

Egress policy on VLAN 1001

B.

No policies because the traffic remains local to the ESXi host

C.

Ingress and egress policy on VLAN 1001

D.

Ingress policy on VLAN 1001

Expert Solution
Questions # 26:

ERPS (Ethernet Ring Protection Switching):

Options:
A.

Is not supported on CX 6400 switch series

B.

Prevents broadcast storms and implements fast-traffic switchover on a network where there are loops

C.

Does not prevent broadcast storms but implements fast-traffic switchover on a network where there are loops

D.

Is not supported on CX 8400 switch series

Expert Solution
Questions # 27:

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?

Options:
A.

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

B.

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

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

Expert Solution
Questions # 28:

Loopback addresses are very useful for troubleshooting and for device management. What is true about the loopback interfaces?

Options:
A.

Not required for underlay connectivity using OSPF

B.

Should be avoided if NSX is used as an overlay

C.

Not required for EVPN VXLAN

D.

They need to be advertised for underlay connectivity when using OSPF

Expert Solution
Questions # 29:

You are designing overlay solutions for two Data Centers. Each Data Center has two rooms and each room is its own fabric. What is the underlay routing protocol between each data center room?

Options:
A.

iBGP

B.

RIP

C.

OSPF

D.

eBGP

Expert Solution
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