[Jul-2025] Valid Way To Pass HP Exam Dumps with HPE7-A04 Exam Study Guide
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HP HPE7-A04 Exam Syllabus Topics:
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NEW QUESTION # 58
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?
- A. At least one spine switch should act as route reflector and specify the leaf switches' unique loopback IPs as route reflector clients
- B. Leaf switches should establish iBGP sessions with other leaf switches using their VXLAN loopback IPs. Route reflectors are not required
- C. The border leaf switches should act as route reflectors and specify the leaf switches' VXLAN loopback IPs as route reflector clients
- D. Leaf switches should establish iBGP sessions with spine switches on their actual P2P link IP addresses.Route reflectors are not required
Answer: A
NEW QUESTION # 59
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?
- A. Solution can scale to 6 total racks using the same subscription rates.
- B. Solution can scale to 12 total racks using the same subscription rates.
- C. Solution can scale to 48 total racks using the same subscription rates.
- D. Solution can scale to 24 total racks using the same subscription rates.
Answer: D
NEW QUESTION # 60
What is the transit VLAN that runs between VSX members?
- A. Must be assigned identical IP address on both of the switches
- 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. It is used as a keepAlive mechanism
- D. Must not be assigned IP addresses on any switch.
Answer: B
NEW QUESTION # 61
Which stacking technology is a dual control plane stacking that is supported by CX switches?
- A. VSX
- B. IRF
- C. Front Plane Stacking
- D. Back Plane Stacking
Answer: A
NEW QUESTION # 62
What is a rule of thumb for oversubscription ratio on the ToR switches for a two-tier network design?
- A. 3:1-5:1
- B. 1:1-2:1
- C. 6:1-10:1
- D. 12:1-14:1
Answer: A
NEW QUESTION # 63
How many SFP28 port-groups do Aruba 8325 CX switches have?
- A. 4 port-groups of 8 ports each
- B. 4 port-groups of 12 ports
- C. One port-group of 48 ports
- D. 12 port-groups of 4 ports each
Answer: B
NEW QUESTION # 64
CX Switches come with trusted platform modules (TPM). What is the function of TPM?
- A. TPM is just a convenient name to allow users to connect to the switch securely
- B. TPM prevents customers from loading certificates signed by the CA of their choice to the switches
- C. TPM stores a certificate signed by an HPE Aruba Networking Certification Authority (CA).
- D. TPM stores a certificate signed by GeoTrust Certification Authority (CA).
Answer: C
NEW QUESTION # 65
What resiliency technologies relate to Default Gateway redundancy requirement on CX switches?
- A. VRRP
- B. VSX Active Gateway
- C. Transit VLAN
- D. CVLAN
- E. HSRP
Answer: A,B
NEW QUESTION # 66
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?
- A. You can map VLAN 10 to one VNI on switches in racks 1-3 and to a different VNI on switches in racks 4-6
- B. You can map VLAN 10 to different VNIs on the same switches if you place VLAN 10 in multiple VRFs
- C. You must tell the customer to change the VLAN ID in racks 4-6 to a unique ID
- D. You can use subnets rather than VLANs for VNI mappings so you can use the same configuration everywhere
Answer: A
NEW QUESTION # 67
Which CX switch model supports ERPS/VSX DCI?
- A. 2930F
- B. 0
- C. 1
- D. 2
Answer: D
NEW QUESTION # 68
ERPS (Ethernet Ring Protection Switching):
- A. Does not prevent broadcast storms but implements fast-traffic switchover on a network where there are loops
- B. Is not supported on CX 8400 switch series
- C. Is not supported on CX 6400 switch series
- D. Prevents broadcast storms and implements fast-traffic switchover on a network where there are loops
Answer: D
NEW QUESTION # 69
Which of the following switches support both Front-to-Back and Back-to-Front airflow?(Select two)
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B,D
NEW QUESTION # 70
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 service leaf switches, which are dedicated to connecting the spine and leaf topology to external networks
- B. To two L3 edge switches, which are dedicated to connecting the spine and leaf topology to external networks
- C. To two L2 edge switches, which are dedicated to connecting the spine and leaf topology to external networks
- D. To two border leaf switches, which are dedicated to connecting the spine and leaf topology to external networks
Answer: D
NEW QUESTION # 71
What is recommended for the routing protocol setup on leaf VSX pairs?
- A. Do not configure the routing protocol to run directly between the leaf VSX members
- B. Add a dedicated VLAN to the VSX ISL, assign it a /31 subnet, and run the routing protocol on it
- C. Have the VSX members connect to each spine switch on an L3 VSX LAG and become neighbors with each other and the spine on its subnet
- D. Configure the leaf VSX members to establish neighbor relationships with each other over one of the server subnets
Answer: B
NEW QUESTION # 72
What is true about clients located in isolated VLAN?
- A. Endpoints in an isolated VLAN are not allowed to communicate with each other
- B. By default, The switch allows ARP traffic between clients in isolated VLAN
- C. Isolated VLAN is a VLAN in QinQ
- D. Isolated VLAN is always a member of Service VLAN
Answer: A
NEW QUESTION # 73
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?
- A. Solution can scale to 4 total racks using the same subscription rates.
- B. Solution can scale to 12 total racks using the same subscription rates.
- C. Solution can scale to 6 total racks using the same subscription rates.
- D. Solution can scale to 10 total racks using the same subscription rates.
Answer: C
NEW QUESTION # 74
What is one difference between a QSFP28 LC BiDi transceiver and a QSFP28 MPO SR4 transceiver?
- A. The BiDi transceiver uses fewer fiber strands than the SR4 transceiver
- B. The BiDi transceiver supports splitting the bandwidth into multiple lower bandwidth links
- C. The BiDi transceiver requires single-mode fiber, while the SR4 transceiver supports multi-mode
- D. The BiDi transceiver supports lower bandwidth than the SR4 transceiver
Answer: A
NEW QUESTION # 75
If you need to demo the proposed solution you should only use certified Aruba demo portal only
- A. True
- B. False
Answer: B
NEW QUESTION # 76
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. OSPF
- B. iBGP
- C. eBGP
- D. IS-IS
Answer: A
NEW QUESTION # 77
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
- A. CX 8325 Switch Series
- B. CX 8360v2 Switch Series
- C. CX 8100 Switch Series
- D. CX 9300 Switch Series
Answer: D
NEW QUESTION # 78
In which situation do you need to select switches with a back-front (BF) airflow?
- A. The switches are middle of the rack switches with their ports facing the cold aisle
- B. The switches are ToR switches which will have the port side facing the opposite way as server ports
- C. The switches are ToR switches which will have the port side facing the same way as server ports
- D. The switches are core switches in a dedicated rack with their ports facing the cold aisle
Answer: C
NEW QUESTION # 79
When collecting information about the Power in your Data Center design you need to take into account (Select two)
- A. The type of the voltage DC or AC
- B. The fiber strands that are needed to support the TOR switches
- C. What voltage is used
- D. The direction of the airflow
Answer: A,C
NEW QUESTION # 80
Mention two advantages of the ToR switches in Data Center Design
- A. Less unused ports on the switches
- B. Less cable sprawl
- C. Better issue isolation
- D. Possibly less expensive
Answer: B,C
NEW QUESTION # 81
What materials do you need to include for the solution proposal? (Choose all that apply)
- A. RFP response (for projects with formal RFPs)
- B. BOM (Bill Of Materials)
- C. Quote
- D. Data sheets for switches included in the solution
- E. Illustrations such as block diagrams
Answer: A,B,C,E
NEW QUESTION # 82
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. 7 total racks using same subscription rates
- B. 12 total racks using same subscription rates
- C. 10 total racks using same subscription rates
- D. 15 total racks using same subscription rates
Answer: D
NEW QUESTION # 83
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