In L3 Spine and Leaf design, which answer is correct?
- A . Leaf switches connect to other leaf switches
- B . Each leaf switch connects to each spine switch
- C . Each spine switch connects to all other spine switches in a full mesh
- D . Leaf switches connect to only one spine switch
In ToR or Middle of Rack switch―Ports oriented to server ports:
- A . The airflow of the switches should be back to front (BF)
- B . The airflow of the switches should be front to back (FB)
- C . It does not matter which direction is the airflow
- D . It is recommended to use fanless Data Center Switches to overcome the heat generated
In VSX, the ISL (InterSwitch Link):
- A . Can be indirectly connected
- B . Must be directly connected
- C . Can be used for keep alive communications
- D . They must be routed links
ERPS (Ethernet Ring Protection Switching):
- 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
You are designing overlay solutions for two Data Centers based on the Aruba CX platform. Each Data Center has two rooms and each room is its own fabric.
What is the routing protocol used for EVPN advertisement within each room?
- A . OSPF
- B . iBGP
- C . eBGP
- D . EIGRP
Choose the most suitable technology for the DCI (Data Center Interconnect) when Data Centers are geographically not in the same building:
- A . VSX
- B . ERPS + VRRP
- C . STP
- D . VSF
When Data Centers are in the same campus, a simple solution could be a VSX LAG between pairs of VSX switches that allows the extension of L2 domains:
- A . True
- B . False
What can be used to encrypt data in flight between untrusted locations?
- A . OSPF authentication
- B . MACSec
- C . GRE tunnels
- D . MD5 encryption
Which CX switch model supports ERPS/VSX DCI?
- A . 5130
- B . 8100
- C . 8325
- D . 2930F
What resiliency technologies relate to Default Gateway redundancy requirement on CX switches?
- A . VRRP
- B . CVLAN
- C . Transit VLAN
- D . VSX Active Gateway
- E . HSRP
In Aruba CX 8325 switches, what is true about port-groups?
- A . Can have transceivers that operate at 100 Gbps
- B . Each port-group can have different speed transceivers
- C . All port-groups transceivers need to be of the same speed
- D . Must have the same speed transceivers within a port-group
Which of the following switches support both Front-to-Back and Back-to-Front airflow? (Select two)
- A . 8400
- B . 8360
- C . 8325
- D . 8320
What is a rule of thumb for oversubscription ratio on the ToR switches for a two-tier network design?
- A . 12:1-14:1
- B . 1:1-2:1
- C . 6:1-10:1
- D . 3:1-5:1
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?
- A . iBGP
- B . RIP
- C . OSPF
- D . eBGP
What delivery documents are included in the post-installation handover?
- A . Devices Datasheets
- B . Devices Quick Specs
- C . Cost of the project
- D . Archived configurations
- E . Inventory
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?
- A . iBGP
- B . RIP
- C . OSPF
- D . eBGP
In identifying the business and technical requirements in Data Center design, which of the below is a business requirement?
- A . REST API integration
- B . Using Aruba Central as a Centralized Management tool
- C . Improving the performance of an application to make users happy
- D . Improve oversubscription ratio to 3:1
When collecting information about the Power in your Data Center design you need to take into account (Select two)
- A . The fiber strands that are needed to support the TOR switches
- B . The direction of the airflow
- C . The type of the voltage DC or AC
- D . What voltage is used
What is the transit VLAN that runs between VSX members?
- A . Must not be assigned IP addresses on any switch.
- B . It is used as a keepAlive mechanism
- C . 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
- D . Must be assigned identical IP address on both of the switches
Which of the following CX switches support VSF stacking technology?
- A . 6200
- B . 8100
- C . 6400
- D . 6100
What is the maximum distance supported by Active Optical Cables (AOC)?
- A . 7 meters
- B . 50 meters
- C . 15 meters
- D . 30 meters
In Aruba CX 10000 switches, how many SFP28 port-groups are there?
- A . Twelve port-groups with four ports each
- B . Four port-groups with twelve ports each
- C . No port-groups
- D . One port-group that has all the ports
What are two advantages of Campus Attached DC?
- A . Reduced failure domain
- B . Low latency for workloads between DC and Campus
- C . Highly Scalable
- D . Simple and easy to manage
CX Switches come with trusted platform modules (TPM).
What is the function of TPM?
- A . TPM stores a certificate signed by an HPE Aruba Networking Certification Authority (CA).
- B . TPM prevents customers from loading certificates signed by the CA of their choice to the switches
- C . TPM is just a convenient name to allow users to connect to the switch securely
- D . TPM stores a certificate signed by GeoTrust Certification Authority (CA).
Which switch model is able to perform microsegmentation?
- A . CX 10000
- B . CX 8325
- C . CX 8400
- D . CX 8360
- E . CX 6400
You are designing an overlay solution for two Data Centers based on the Aruba CX platform. Each Data Center has two rooms and each room is its own fabric.
What is the underlay routing protocol run within each room?
- A . iBGP
- B . eBGP
- C . OSPF
- D . IS-IS
What does a five-nines requirement in a service agreement refer to?
- A . Compliance with a particular section of PCI DSS
- B . Unplanned downtime less than .001% of the service term
- C . Five layers of redundancy in the network design
- D . Future-proof solution designed to last five or more years
In your design, you have six racks each with a pair of VSX Leaf switches and two Spine switches.
How many P2P leaf-to-spine addresses are there?
- A . 12
- B . 96
- C . 24
- D . 48
How many SFP28 port-groups do Aruba 8325 CX switches have?
- A . 12 port-groups of 4 ports each
- B . One port-group of 48 ports
- C . 4 port-groups of 8 ports each
- D . 4 port-groups of 12 ports
In the ToR or middle of the rack cabling design, it is important to know (Select two)
- A . The number of fiber strands are pulled to each row
- B . The fire regulations
- C . The airflow direction
- D . The connectors the patch panels use
What is a use case for a two-tier L2 design for a dedicated data center?
- A . Server room adjacent to campus core
- B . Customers with medium-to-large data centers with application demanding requirements
- C . Customers with small-to-medium data centers with less demanding requirements
- D . Data Center that is located in a separate building to the campus network
Mention two disadvantages of the End-of-Row or Middle-of-Row switches in Data Center design
- A . More equipment
- B . Higher latency for rack-to-rack traffic within the row
- C . Longer, more complex cabling within the row
- D . Lower port density and less scalable
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 7 total racks using the same subscription rates.
- B . Solution can scale to 14 total racks using the same subscription rates.
- C . Solution can scale to 8 total racks using varying subscription rates.
- D . Solution can scale to 16 total racks using the same subscription rates.
PVLAN (Private VLAN) defines three types of VLANs under the same SVI
- A . Primary VLAN, Isolated VLAN and Customer VLAN
- B . Secondary VLAN, Isolated VLAN and Provider VLAN
- C . Primary VLAN, Isolated VLAN and Community VLAN
- D . Provider VLAN Service VLAN and QinQ VLAN
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 70 meters
- C . Up to 500 meters
- D . Up to 700 meters