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HP HPE7-A01試験は、Aruba WLANに関連する幅広いトピックをカバーしており、基本的なネットワーク概念、WLANの設計と展開、ネットワークセキュリティ、トラブルシューティングが含まれています。この試験は、候補者のAruba WLANソリューションの専門知識、およびその知識を現実的なシナリオに適用する能力をテストするように設計されています。
質問 # 21
What is used to retrieve data stored in a Management Information Base (MIS)?
SNMPv3
DSCP
TLV
CDP
正解：
解説：
SNMPv3.
SNMPv3 is a protocol that is used to retrieve data stored in a Management Information Base (MIB), which is a database of managed objects in a network. SNMPv3 provides security and access control features that are not available in earlier versions of SNMP. SNMPv3 can also use encryption to protect the data from unauthorized access or modification.
According to the Aruba Certified Professional - Campus Access document1, one of the skills that this certification validates is:
Implement and Analyze the output from common network monitoring tools
Configure Port Mirroring to collect PCAPs
Configure NAE agents 9.4
Configure UXI sensors for internal and external tests
Describe how API scan be used to configure, manage, monitor, and troubleshoot your network The document also mentions that the candidate should have a distinguished understanding of different protocols across vendors, which implies that they should be familiar with SNMPv3 and how it can be used to access MIB data.
Explanation:
The correct answer is
質問 # 22
In AOS 10. which session-based ACL below will only allow ping from any wired station to wireless clients but will not allow ping from wireless clients to wired stations"? The wired host ingress traffic arrives on a trusted port.
- A. ip access-list session pingFromWired any any svc-icmp deny any user svc-icmp permit
- B. ip access-list session pingFromWired any user any permit
- C. ip access-list session pingFromWired any any svc-icmp permit user any svc-icmp deny
- D. ip access-list session pingFromWired user any svc-icmp deny any any svc-icmp permit
正解：A
解説：
Explanation
A session-based ACL is applied to traffic entering or leaving a port or VLAN based on the direction of the session initiation. To allow ping from any wired station to wireless clients but not vice versa, a session-based ACL should be used to deny icmp echo traffic from any source to any destination, and then permit icmp echo-reply traffic from any source to user destination. The user role represents wireless clients in AOS 10.
References:
https://techhub.hpe.com/eginfolib/Aruba/OS-CX_10.04/5200-6692/GUID-BD3E0A5F-FE4C-4B9B-BE1D-FE7D
https://techhub.hpe.com/eginfolib/networking/docs/arubaos-switch/security/GUID-EA0A5B3C-FE4C-4B9B-BE
質問 # 23
A new network design is being considered to minimize client latency in a high-density environment. The design needs to do this by eliminating contention overhead by dedicating subcarriers to clients.
Which technology is the best match for this use case?
- A. Channel Bonding
- B. MU-MIMO
- C. QWMM
- D. OFDMA
正解：D
解説：
OFDMA (Orthogonal Frequency Division Multiple Access) is a technology that can minimize client latency in a high-density environment by eliminating contention overhead by dedicating subcarriers to clients. OFDMA allows multiple clients to transmit simultaneously on different subcarriers within the same channel, reducing contention and increasing efficiency. MU-MIMO (Multi-User Multiple Input Multiple Output) is a technology that allows multiple clients totransmit simultaneously on different spatial streams within the same channel, but it does not eliminate contention overhead. QWMM (Quality of Service Wireless Multimedia) is a technology that prioritizes traffic based on four access categories, but it does not eliminate contention overhead. Channel Bonding is a technology that combines two adjacent channels into one wider channel, increasing bandwidth but not eliminating contention overhead.References:
https://www.arubanetworks.com/assets/ds/DS_AP510Series.pdfhttps://www.arubanetworks.com/assets/wp/WP_
質問 # 24
A customer wants to provide wired security as close to the source as possible The wired security must meet the following requirements:
- allow ping from the IT management VLAN to the user VLAN
- deny ping sourcing from the user VLAN to the IT management VLAN
The customer is using Aruba CX 6300s.
What is the correct way to implement these requirements?
- A. Apply an outbound ACL on the user VLAN denying icmp echo traffic toward the IT management VLAN
- B. Apply an inbound ACL on the user VLAN allowing icmp echo-reply traffic toward the IT management VLAN
- C. Apply an inbound ACL on the user VLAN denying icmp echo traffic toward the IT management VLAN
- D. Apply an outbound ACL on the user VLAN allowing temp echo-reply traffic toward the IT management VLAN
正解：C
解説：
An inbound ACL is applied to traffic entering a port or VLAN. An outbound ACL is applied to traffic leaving a port or VLAN4. To deny ping sourcing from the user VLAN to the IT management VLAN, an inbound ACL on the user VLAN should be used to filter icmp echo traffic toward the IT management VLAN. Icmp echo-reply traffic is not needed to be allowed because it is already permitted by default.
質問 # 25
A customer wants to deploy a Gateway and take advantage of all the SD-WAN features. Which persona role option should be selected?
- A. ArubaOS 10 Branch
- B. ArubaOS 10 VPN Concentrator
- C. ArubaOS 10 Mobility
- D. ArubaOS 10 Wireless
正解：A
解説：
ArubaOS 10 Branch is a persona that enables the Gateway to provide both LAN and WAN functionality for branch networks. The Gateway can act as a wireless controller, a router, a firewall, and an SD-WAN device. The SD-WAN features include route and tunnel orchestration, dynamic path steering, forward error correction, SaaS traffic optimization, SASE orchestration, and more.
質問 # 26
Which statement best describes QoS?
- A. Determining which traffic passes specified quality metrics
- B. Scoring traffic based on the quality of the contents
- C. Identifying specific traffic for special treatment
- D. Identifying the quality of the connection
正解：C
解説：
QoS stands for Quality of Service and is a mechanism that allows network devices to prioritize and differentiate traffic based on certain criteria, such as application type, source, destination, etc.
QoS involves identifying specific traffic for special treatment and applying policies and actions to improve its performance or meet certain service level agreements (SLAs). QoS can help network devices to manage congestion, delay, jitter, packet loss, bandwidth allocation, etc., for different types of traffic. QoS can be implemented at various layers of the network stack and across different network domains.
質問 # 27
Using Aruba best practices what should be enabled for visitor networks where encryption is needed but authentication is not required?
- A. Wired Equivalent Privacy
- B. Open Network Access
- C. Opportunistic Wireless Encryption
- D. Wi-Fi Protected Access 3 Enterprise
正解：C
解説：
Opportunistic Wireless Encryption (OWE) is a feature that provides encryption for open wireless networks without requiring authentication. OWE uses an enhanced version of the 4-way handshake to establish a pairwise key between the client and the AP, which is then used to encrypt the wireless traffic using WPA2 or WPA3 protocols. OWE can be used for visitor networks where encryption is needed but authentication is not required. Reference: https://www.arubanetworks.com/assets/tg/TG_OWE.pdf
質問 # 28
Drag and Drop Question
Match the topics of an AOS10 Tunneled mode setup between an AP and a Gateway. (Options may be used more than once or not at all.)
正解：
解説：
質問 # 29
you are implementing ClearPass Policy Manager with EAP-TLS for authenticating all corporate-owned devices.
What are two possible solutions to the problem of deploying client certificates to corporate MacBooks that are joined to a Windows domain? (Select two.)
- A. Windows Server PKl and a GPO
- B. Apple Configurator and a GPO
- C. ClearPass OnGuard
- D. ClearPass OnBoard
- E. Mobile Device Manager
正解：A、B
解説：
The reason is that ClearPass OnBoard is a tool that allows you to enroll Mac computers into a ClearPass Policy Manager site using an Apple MDM push certificate. This certificate can be obtained from Apple or from a third-party PKI provider.
Apple Configurator is a tool that allows you to configure and deploy Mac computers using a GPO. This tool can also be used to enroll Mac computers into a ClearPass Policy Manager site using an Apple MDM push certificate.
質問 # 30
Match the terms below to their characteristics (Options may be used more than once or not at all.)
正解：
解説：
Explanation:
a) A device with IP address 10.1.3.7 in a network wants to send the traffic stream to a device with IP address
10.13.4.2 in the other network -> Unicast
b) One/more senders and one/more recipients participate in data transfer traffic -> Multicast c) Sent to all hosts on a remote network -> IP Directed Broadcast d) Sent to all NICs on the same network segment as the source NIC -> Broadcast References: 1 https://www.thestudygenius.com/unicast-broadcast-multicast/ The terms broadcast, IP directed broadcast, multicast, and unicast are different types of communication or data transmission over a network. They differ in how many devices are involved in the communication and how they address the messages. The following table summarizes the characteristics of each term1:
A screenshot of a computer Description automatically generated with medium confidence
質問 # 31
A company deployed Dynamic Segmentation with their CX switches and Gateways After performing a security audit on their network, they discovered that the tunnels built between the CX switch and the Aruba Gateway are not encrypted. The company is concerned that bad actors could try to insert spoofed messages on the Gateway to disrupt communications or obtain information about the network.
Which action must the administrator perform to address this situation?
- A. Enable Enhanced security
- B. Enable Secure Mode Enhanced
- C. Enable Enhanced PAPI security
- D. Enable GRE security
正解：C
質問 # 32
Your customer is having issues with Wi-Fi 6 clients staying connected to poor-performing APs when a higher throughput APs are closer. Which technology should you implement?
- A. ClientMatch
- B. Airmatch
- C. ARM
- D. Clearpass
正解：A
解説：
Explanation
Wi-Fi 6 is an industry certification for products that support the new wireless standard 802.11ax, also known as "high-efficiency wireless". Wi-Fi 6 offers increased capacities, improved resource utilization and higher throughput speeds than previous standards.
Option B: ClientMatch
This is because option B shows how to use ClientMatch to optimize the wireless performance of Wi-Fi 6 clients on a UniFi network. ClientMatch is a feature that uses machine learning to analyze the traffic patterns of each client and assign them to the best available AP based on their location, device type, and network conditions2.
Therefore, option B is the best technology to implement for your customer's issue.
1: https://help.ui.com/hc/en-us/articles/221029967-UniFi-Network-Optimizing-Wireless-Connectivity 2:
https://help.ui.com/hc/en-us/articles/360012947634-UniFi-Network-Optimizing-Wireless-Speeds
質問 # 33
What is used to retrieve data stored in a Management Information Base (MIS)?
- A. TLV
- B. SNMPv3
- C. CDP
- D. DSCP
正解：B
解説：
Explanation
The correct answer is A. SNMPv3.
SNMPv3 is a protocol that is used to retrieve data stored in a Management Information Base (MIB), which is a database of managed objects in a network. SNMPv3 provides security and access control features that are not available in earlier versions of SNMP. SNMPv3 can also use encryption to protect the data from unauthorized access or modification.
According to the Aruba Certified Professional - Campus Access document1, one of the skills that this certification validates is:
Implement and Analyze the output from common network monitoring tools
Configure Port Mirroring to collect PCAPs
Configure NAE agents 9.4
Configure UXI sensors for internal and external tests
Describe how API scan be used to configure, manage, monitor, and troubleshoot your network The document also mentions that the candidate should have a distinguished understanding of different protocols across vendors, which implies that they should be familiar with SNMPv3 and how it can be used to access MIB data.
質問 # 34
Due to a shipping error, five (5) Aruba AP-515S and one (1) Aruba CX 6300 were sent directly to your new branch office You have configured a new group persona for the new branch office devices in Central, but you do not know their MAC addresses or serial numbers The office manager is instructed via text message on their smartphone to onboard all the new hardware into Aruba Central What application must the office manager use on their phone to complete this task?
- A. Aruba Onboard App
- B. Aruba Central App
- C. Aruba installer App
- D. Aruba CX Mobile App
正解：C
解説：
Explanation
Aruba Installer App is a mobile app that simplifies site installations and enables network connectivity for Aruba devices. The app allows the user to scan the barcode of the device and add it to the network using Aruba Central. The app also automates importing Aruba devices into Aruba NetEdit for intelligent configuration management and continuous conformance validation
質問 # 35
What is an OSPF transit network?
- A. a network that uses tunnels to connect two areas
- B. a network that connects to a different routing protocol
- C. a network on which a router discovers at least one neighbor
- D. a special network that connects two different areas
正解：C
解説：
Explanation
An OSPF transit network is a network that has at least two routers that are connected by a multi-access link and can forward traffic for other networks1. A transit network is different from a stub network, which has only one router connected to it and does not forward traffic for other networks2. A transit network is also different from a virtual link, which is a logical connection between two areas that are not physically adjacent2. A transit network is not necessarily connected to a different routing protocol, although it can be if the router performs redistribution2. Therefore, the correct answer is C. A network on which a router discovers at least one neighbor.
質問 # 36
Describe the difference between Class of Service (CoS) and Differentiated Services Code Point (DSCP).
- A. CoS has much finer granularity than DSCP
- B. CoS is only used to determine CLASS of traffic DSCP is only used to differentiate between different Classes.
- C. They are similar and can be used interchangeably.
- D. CoS is only contained in VLAN Tag fields DSCP is in the IP Header and preserved throughout the IP packet flow
正解：D
解説：
CoS and DSCP are both methods of marking packets for quality of service (QoS) purposes. QoS is a mechanism that allows network devices to prioritize and differentiate traffic based on certain criteria, such as application type, source, destination, etc. CoS stands for Class of Service and is a 3-bit field in the 802.1Q VLAN tag header. CoS can only be used on Ethernet frames that have a VLAN tag, and it can only be preserved within a single VLAN domain. DSCP stands for Differentiated Services Code Point and is a 6-bit field in the IP header. DSCP can be used on any IP packet, regardless of the underlying layer 2 technology, and it can be preserved throughout the IP packet flow, unless it is modified by intermediate devices. Reference: https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/qos/configuration/15-mt/qos-15-mt-book/qos-overview.html https://www.cisco.com/c/en/us/support/docs/lan-switching/8021q/17056-741-4.html https://www.cisco.com/c/en/us/support/docs/quality-of-service-qos/qos-packet-marking/10103-dscpvalues.html
質問 # 37
you need to have different routing-table requirements With Aruba CX 6300 VSF configuration.
Assuming the correct layer-2 VLAN already exists, how would you create a new SVI for a separate routing table?
- A. create a new VLAN, and attach the VRF to it.
- B. Create a new SVI and use attach command.
- C. Create a new VLAN. and attach the routing table to it
- D. Create a new routing table, and attach VLANS to it
正解：B
解説：
The correct answer is C. Create a new SVI and use attach command.
To create a new SVI for a separate routing table, you need to use the attach command to associate the SVI with a VRF (Virtual Routing and Forwarding) instance. A VRF is a logical entity that allows multiple routing tables to coexist on the same switch. Each VRF has its own set of interfaces, routing protocols, and routes that are isolated from other VRFs.
According to the AOS-CX Virtual Switching Framework (VSF) Guide1, one of the steps to configure VRF-aware VSF is:
Configure the VRFs on each member switch and assign the SVIs to the respective VRFs using the attach command. For example:
switch(config)# vrf red
switch(config-vrf)# exit
switch(config)# interface vlan 10
switch(config-if-vlan)# ip address 10.1.1.1/24
switch(config-if-vlan)# attach vrf red
The above commands create a VRF named red and assign VLAN 10 SVI to it. The SVI has an IP address of 10.1.1.1/24.
The other options are incorrect because:
A) You cannot attach a VRF to a VLAN directly. You need to create an SVI for the VLAN and then attach the VRF to the SVI.
B) You cannot create a new routing table manually. You need to create a VRF and then use routing protocols or static routes to populate the routing table for the VRF.
D) You cannot attach a routing table to a VLAN directly. You need to create an SVI for the VLAN and then attach a VRF that has a routing table associated with it.
質問 # 38
......
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