Free HP HPE6-A86 Practice Exam with Questions & Answers | Set: 3

The correct answer is D. VSF stacking is supported within the same switch family members. HPE Aruba Networking AOS-CX VSF documentation states that a VSF stack supports combinations of models only within a supported switch family. For example, supported 6200 family models can stack with other supported 6200 family models, and supported 6300 family models can stack with other supported 6300 family models. The documentation also states that stacking is not supported across switch families. This means a VSF stack cannot mix unrelated platforms, such as chassis and fixed switches, or combine older AOS-S/Provision switches with AOS-CX switches in the same VSF stack. Option A is incorrect because VSF does not use proprietary backplane cabling; it uses supported Ethernet links, and the supported speeds depend on the switch family. Option B is incorrect because chassis and fixed platforms are not mixed in one VSF stack. Option C is incorrect because existing Provision/AOS-S switches cannot simply add CX switches as members in the same VSF stack.

The correct answer is B. Transport Layer. Data segmentation is a Transport Layer function. At Layer 4, protocols such as TCP divide application data into smaller pieces called segments so that data can be transported between endpoints. The Transport Layer also uses TCP and UDP port numbers to identify application conversations between hosts. HPE Aruba Networking AOS-CX ACL documentation references TCP/UDP ports as Layer 4 ports, which aligns transport-layer port usage with the Transport Layer. The Application Layer provides user-facing application services, but it does not perform transport segmentation. The Network Layer handles logical IP addressing and routing. The Data Link Layer handles Ethernet framing, MAC addressing, and local delivery on a network segment. Therefore, when the question asks where data segmentation occurs in the OSI model, the correct answer is the Transport Layer. ( arubanetworking.hpe.com )

A new firewall rule has been added = Cause

My email is not working = Symptom

My device says “No Internet” = Symptom

One of the DNS servers is offline = Cause

The switch firmware was upgraded = Cause

Websites are not loading = Symptom

The correct classification separates observed user impact from likely reasons for that impact. A symptom is what users or administrators observe, such as “email is not working,” “No Internet,” or “websites are not loading.” These describe the effect of the problem but do not identify why it is happening. A cause is a condition, change, or failure that could explain the symptom. A newly added firewall rule could block traffic, an offline DNS server could prevent name resolution, and a firmware upgrade could introduce a configuration, compatibility, or service-change issue. HPE Aruba Networking troubleshooting documentation commonly separates symptoms from causes and corrective actions; for example, AOS-CX troubleshooting sections describe a visible symptom, then identify the cause and action needed to resolve it. This method helps avoid guessing and keeps troubleshooting structured: first collect symptoms, then identify recent changes and infrastructure failures that could be possible causes. In this question, the user-facing service failures are symptoms, while the firewall, DNS, and firmware items are possible causes.

The correct answer is B. Connect the USB Bluetooth adapter to the switch’s USB-A port. HPE Aruba Networking CX 8100 installation documentation states that the Aruba CX mobile app and Aruba USB Bluetooth adapter enable switch configuration from a mobile device. It also identifies the CX 8100 front-panel USB-A auxiliary port as the port used for file management, switch software downloads, or Aruba accessories. Therefore, for an Android mobile setup workflow using the Aruba CX mobile app, the USB Bluetooth adapter connects to the switch’s USB-A auxiliary port. The USB-C port on the CX 8100 is a serial console port, not the port for the USB Bluetooth adapter. Connecting the Android phone directly to the USB-C console port is not the Bluetooth mobile-app method. Connecting the phone to the management port with an RJ-45 adapter is also not the recommended mobile-app setup method. The supported mobile method is the Aruba CX mobile app through the USB Bluetooth adapter.

The correct answers are A and E. HPE Aruba Networking AOS-CX switches support RADIUS and TACACS+ for controlling administrative access. HPE Aruba Networking security documentation describes remote AAA authentication and authorization using RADIUS or TACACS+ servers. These protocols allow administrative logins and command authorization to be managed centrally instead of relying only on local switch users. RADIUS is commonly used for authentication, authorization, and accounting services, while TACACS+ is especially useful for administrative access control because it can provide command authorization and accounting. LDAP, Diameter, and SAML are not the correct answers for the AOS-CX administrative access control protocols listed in this question. LDAP is a directory protocol, Diameter is an AAA protocol used in other service-provider contexts, and SAML is commonly used for web-based single sign-on, but they are not the two AOS-CX switch administrative access protocols being tested here. ( arubanetworking.hpe.com )

The correct answer is C. Default VLAN 1 is created by default. HPE Aruba Networking AOS-CX documentation states that all switch ports are part of access VLAN 1 by default. This confirms that VLAN 1 exists in the factory-default configuration and is the default VLAN used by switch ports. Option B is incorrect because AOS-CX VSF documentation states that users cannot disable VSF and that a factory-default switch boots as a VSF-enabled device with member ID 1 on supported VSF platforms. Option A is not the best answer because static routing is not described as the defining factory-default setting in the same way VLAN 1 is. Static routes are administrator-created route entries, but the clearly documented default behavior in the listed choices is that VLAN 1 exists by default. Option D is incorrect because multicast routing is not enabled by default as a general factory-default behavior. Therefore, the statement that correctly describes the factory default is that default VLAN 1 is created and switch ports belong to it by default.

The correct answer is D. The VSF stack remains fully operational. The output shows the VSF topology is a ring. In a ring topology, each member has an alternate VSF path through another member. If only the VSF link between members 1 and 2 is disconnected, members 1 and 2 can still communicate through member 3: member 1 connects to member 3, and member 3 connects to member 2. This changes the physical topology from a ring to a chain, but it does not split the stack. HPE Aruba Networking VSF documentation states that a ring topology provides resiliency against link and member hardware failures because any single failure does not isolate the remaining stack members from each other, and Aruba strongly recommends ring topology where possible. Options A, B, and C are incorrect because a single link failure in this three-member ring does not isolate the conductor, standby, or member. Split detection using the management interface would become relevant only if the stack actually split into separate fragments.

The correct answer is C. Commands - show interface error-statistics. Because the users and the document management server are in the same subnet, traffic is switched locally rather than routed across multiple Layer 3 hops. If packet loss is suspected during file uploads, the most useful verification is to inspect interface error counters on the switch ports involved. HPE Aruba Networking AOS-CX documentation includes the show interface < IFNAME > error-statistics command, which displays interface error statistics such as receive and transmit errors, CRC/FCS errors, drops, runts, giants, and related counters. HPE Aruba Networking Central documentation states that the Commands tab can run troubleshooting commands on managed devices and show the output in the Device Output section. A cable test may help detect physical cabling faults, but it does not directly confirm packet loss counters. Traceroute is less useful within the same subnet. Ping can show reachability loss, but interface error statistics provide better evidence of switch-port packet errors causing performance problems.

The correct answer is C. It shares the same network path as user data. HPE Aruba Networking AOS-CX documentation explains that in-band management traffic uses the same network infrastructure as user data. In-band management typically occurs through normal switch data ports using protocols such as SSH or SNMP. Because it uses the data plane and the production network, in-band management can be affected by congestion, outages, misconfiguration, or other issues impacting the user network. Option A is not the best answer because implementation complexity depends on the design, and HPE’s key distinction is not that in-band is more complex. Option B is incorrect because out-of-band management is usually preferred for better management isolation and resiliency. Option D is incorrect because if the main production network path is unavailable, in-band management can also fail. Out-of-band management uses a dedicated console, USB console, or management port path separate from the production data network.