EMT Practice Test

1. Question Content...

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Question1: In defining availability requirements for applications and services, the applications that directly impact health and safety are called

Question2: What is the upper limit for spine switches with leaf HPE Aruba CX 8360-48Y6C v2 using 100 or 40 GbE Leaf-to-spine port speed (when using 2 uplink ports for VSX)?

Question3: In ToR or Middle of Rack switch-Ports oriented to server ports:

Question4: You are planning to use distributed routing for overlay subnets in an EVPN VXLAN fabric. The customer needs to provide DHCP addresses to some VMs in the tenant-a VRF. The DHCP server is in the shared VRF.
What is one step you should take?

Question5: In Spine and Leaf Design that involves the following:
* 8360 12-P 100G Spine Switches
* 8360 48-P 10G RJ45 Leaf Switches
* 100G SR4 Optical connections between Spine and Leafs
Spine Switches = 8360 12-port 100G QSFP28 (F-B airflow)
Each Spine Switch uses:
* 1 x 100G QSFP28 SR4 Optic to each Leaf switch
Each Leaf Switch uses:
* 1 x 100G QSFP28 SR4 Optic to each Spine switch
* 2 x 100G 1M DAC for ISL
* 1 x 10G RJ45 for Keepalive
Each Spine switch has 4 available 100G QSFP28 interfaces. What is the solution scalability?

Question6: What is true about the QSFP-DD MPO-12 eDR4 transceiver?

Question7: 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?

Question8: What is a use case for a two-tier L2 design for a dedicated data center?

Question9: What is true about clients located in isolated VLAN?

Question10: How many SFP28 port-groups do Aruba 8325 CX switches have?

Question11: In a multi-tenant Data Center

Question12: In MMF OM3 fiber type and SFP28 LC SR transceiver option. What is the maximum distance supported by this setup?

Question13: Depending on a switch's role in the topology, the demands on various tables differ. Several HPE Aruba CX switch models support different profiles, each of which optimizes the correct table for a switch with the corresponding role:

Question14: BGP EVPN type 2 routes advertise MAC addresses of clients connected to VNIs on this VTEP. Other VTEPs use this information to populate the MAC address tables for the VLAN associated with the VNI.
VXLAN does not rely on MAC forwarding to establish connectivity

Question15: You have a data center with 99.9% availability requirements. How many hours of downtime (unplanned) is allowed to meet this availability requirement?

Question16: Which of the following statements is true about HPE and HPE Aruba Networking breakout cables for high- speed ports?

Question17: What delivery documents are included in the post-installation handover?

Question18: In a multi-AS underlay design

Question19: Which management solution for HPE Aruba Networking CX switches integrates tightly with VMware?

Question20: You are adding EVPN VXLAN to an L3 spine and leaf topology that uses OSPF for the underlay. You plan to use a single BGP AS. Which design for EVPN neighbors is correct?

Question21: You are setting up a single EVPN VXLAN fabric for a data center. A customer has one ESXi cluster in racks
1-3 that uses VLAN 10 for VMs in subnet 10.1.10.0/24. The customer has another ESXi cluster in racks 4-6 that uses VLAN 10 for VMs in subnet 10.2.10.0/24. Which is correct?

Question22: A customer currently has a three-tier architecture in which aggregation switches are the default gateways.
Pairs of aggregation switches use VRRP. You are migrating to an L2 two-tier architecturein which the core switches are the default gateways. How should you migrate the default gateway functionality?

Question23: Mention two disadvantages of the End-of-Row or Middle-of-Row switches in Data Center design

Question24: Name some Post-installation handover tasks

Question25: In L3 Spine and Leaf design OSPF routing, which switches can be ABRs and connect your network to a WAN provider?

Question26: Which of the following CX switches support VSF stacking technology?

Question27: 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:

Question28: In identifying the business and technical requirements in Data Center design, which of the below is a business requirement?

Question29: Which technology uses LLDP TLVs to tell connected devices information such as the correct queue for PFC?

Question30: In the ToR or middle of the rack cabling design, it is important to know (Select two)

Question31: If you need to demo the proposed solution you should only use certified Aruba demo portal only

Question32: What materials do you need to include for the solution proposal? (Choose all that apply)

Question33: 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?

Question34: What is the maximum number of spines (when using 2 uplink ports for VSX) for CX 8325-48Y8C with Leaf- to-spine port speed 40 or 100 Gbps?

Question35: What can be used to encrypt data in flight between untrusted locations?

Question36: In L3 Spine and Leaf design, which answer is correct?

Question37: When collecting information about the Power in your Data Center design you need to take into account (Select two)

Question38: 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?

Question39: In a Spine and Leaf Design with the following specs:
* 8400 100G Spine Switches
* 8360 48-P 10G RJ45 Leaf Switches
* 100G DAC connections between Spine and Leafs
Spine Switches = 8400 with 12 QSFP28 ports (F-B airflow)
Each Spine Switch uses:
* 1 x 100G QSFP28 5M DACs to each Leaf switch
Each Leaf Switch uses:
* 1 x 100G QSFP28 5M DACs to each Spine switch
* 2 x 100G 1M DAC for ISL
* 1 x 10G RJ45 for Keep alive
Each Spine switch can support up to 48 available 100G QSFP28 interfaces.
What is the scalability for this solution?

Question40: Which of the following are deemed as Post-installation handover tasks

Question41: One of your customers has the following:
2-Tier L2 Design
* 8325 32x100G Core Switches
* 8360 48x10G RJ-45 Access Switches
* 100G 5M DAC connections between Core and Access
Core Switches = VSX Pairs of 8325 32-port 100G switches (F-B airflow).
Access Switches = VSX Pairs of 8360-48xBaseT switches (F-B airflow).
Each Core Switch pair uses the following for VSX:
* 2 x 100G QSFP28 1M DACs for ISL
* 1 x 100G QSFP28 1M DAC for Keepalive
Each Access Switch pair uses the following for VSX:
* 2 x 100G QSFP28 1M DACs for ISL
* 1 x 10G RJ45 cable for Keepalive
Each Core switch has 29 remaining available 100G QSFP28 interfaces for access switch connectivity.
This solution uses 1x100G QSFP28 5M DAC from each access switch to each core switch.
This solution can scale up to a maximum of14racks using the same subscription rates.

Question42: What resiliency technologies relate to Default Gateway redundancy requirement on CX switches?

Question43: Which switch model has the following specifications:
* 32 ports of 100GbE, 200GbE, or 400GbE
* 400 Gbps ports can be configured as 4x100GbE, 2x200GbE, or 1x400GbE

Question44: Which stacking technology is a dual control plane stacking that is supported by CX switches?

Question45: 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)?

Question46: 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 used for EVPN advertisements between data center rooms?

Question47: 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?

Question48: Choose the most suitable technology for the DCI (Data Center Interconnect) when Data Centers are geographically not in the same building: