HPE6-A85 : Aruba Certified Associate - Campus Access (ACA) Exam

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HP
HPE6-A85
Aruba Certified Associate - Campus Access (ACA)
https://killexams.com/pass4sure/exam-detail/HPE6-A85
Question: 164
What is the correct command to add a static route to a class-c-network 10.2.10.0 via a gateway of 172.16.1.1?
A. ip-route 10.2.10.0/24 172.16.1.1
B. ip route 10.2.10.0.255.255.255.0 172.16.1.1 description aruba
C. ip route 10.2.10.0/24.172.16.11
D. ip route-static 10.2 10.0.255.255.255.0 172.16.1.1
Answer: A
Explanation:
The correct command to add a static route to a class-c-network 10.2.10.0 via a gateway of 172.16.1.1 is ip-route
10.2.10.0/24 172.16.1.1. This command specifies the destination network address (10.2.10.0) and prefix length (/24)
and the next-hop address (172.16.1 .1) for reaching that network from the switch. The other commands are either
incorrect syntax or incorrect parameters for adding a static route.
References: https://www.arubanetworks.com/techdocs/AOS-CX_10_04/NOSCG/Content/cx-noscg/ip-routing/sta
Question: 165
When would you bond multiple 20MHz wide 802.11 channels?
A. To decrease the Signal to Noise Ratio (SNR)
B. To increase throughput between the client and AP
C. To provision highly available AP groups
D. To utilize high gain omni-directional antennas
Answer: B
Explanation:
Bonding multiple 20MHz wide 802.11 channels is a technique to create a wider bandwidth channel that supports
higher data rate transmissions. It can increase the throughput between the client and AP by using more spectrum
resources and reducing interference.
References: https://ieeexplore.ieee.org/document/9288995
Question: 166
What is indicated by a solid amber radio status LED on an Aruba AP?
A. Not enough PoE is provided from the switch to power both radios of the AP
B. The radio is working in mesh mode
C. The radio is working the 5 GHz band only.
D. The radio is enabled in monitor or spectrum analysis mode
Answer: A
Explanation:
On an Aruba AP, a solid amber radio status LED indicates: A. Not enough PoE is provided from the switch to power
both radios of the AP
When the radio status LED on an Aruba AP shows a solid amber color, it typically signifies that the PoE (Power over
Ethernet) supplied by the switch is insufficient to power both radios of the AP (usually the 2.4 GHz and 5 GHz bands).
This may require checking the PoE budget of the switch or using a higher-powered PoE source.
Other options, such as the radio working in mesh mode, operating only in the 5 GHz band, or being enabled in monitor
or spectrum analysis mode, typically do not result in the LED showing a solid amber color.
Question: 167
What does WPA3-Personal use as the source to generate a different Pairwise Master Key (PMK) each time a station
connects to the wireless network?
A. Session-specific information (MACs and nonces)
B. Opportunistic Wireless Encryption (OWE)
C. Simultaneous Authentication of Equals (SAE)
D. Key Encryption Key (KEK)
Answer: C
Question: 168
Which flew in a Layer 3 IPv4 packet header is used to mitigate Layer 3 route loops?
A. Checksum
B. Time To Live
C. Protocol
D. Destination IP
Answer: B
Explanation:
The field in a Layer 3 IPv4 packet header that is used to mitigate Layer 3 route loops is Time To Live (TTL). TTL is
an 8-bit field that indicates the maximum number of hops that a packet can traverse before being discarded. TTL is set
by the source device and decremented by one by each router that forwards the packet. If TTL reaches zero, the packet
is dropped and an ICMP Internet Control Message Protocol (ICMP) Internet Control Message Protocol (ICMP) is a
network protocol that provides error reporting and diagnostic functions for IP networks. ICMP is used to send
messages such as echo requests and replies (ping), destination unreachable, time exceeded, parameter problem, source
quench, redirect, etc. ICMP messages are encapsulated in IP datagrams and have a specific format that contains fields
such as type, code, checksum, identifier, sequence number, data, etc. ICMP messages can be verified by using
commands such as ping,
traceroute, debug ip icmp, etc. message is sent back to the source device. TTL is used to mitigate Layer 3 route loops
because it prevents packets from circulating indefinitely in a looped network topology. TTL also helps to conserve
network resources and avoid congestion caused by looped packets.
The other options are not fields in a Layer 3 IPv4 packet header because:
- Checksum: Checksum is a 16-bit field that is used to verify the integrity of the IP header. Checksum is calculated by
the source device and verified by the destination device based on the values of all fields in the IP header. Checksum
does not mitigate Layer 3 route loops because it does not limit the number of hops that a packet can traverse.
- Protocol: Protocol is an 8-bit field that indicates the type of payload carried by the IP datagram. Protocol identifies
the upper-layer protocol that uses IP for data transmission, such as TCP Transmission Control Protocol (TCP)
Transmission Control Protocol (TCP) is a connection-oriented transport layer protocol that provides reliable, ordered,
and error-checked delivery of data between applications on different devices. TCP uses a three-way handshake to
establish a connection between two endpoints, and uses sequence numbers, acknowledgments, and windowing to
ensure data delivery and flow control. TCP also uses mechanisms such as retransmission, congestion avoidance, and
fast recovery to handle packet loss and congestion. TCP segments data into smaller units called segments, which are
encapsulated in IP datagrams and have a specific format that contains fields such as source port, destination port,
sequence number, acknowledgment number, header length, flags, window size, checksum, urgent pointer, options, data,
etc. TCP segments can be verified by using commands such as telnet, ftp, ssh, debug ip tcp transactions, etc ., UDP
User Datagram Protocol (UDP) User Datagram Protocol (UDP) is a connectionless transport layer protocol that
provides
Question: 169
A network administrator with existing IAP-315 access points is interested in Aruba Central and needs to know which
license is required for specific features Please match the required license per feature (Matches may be used more than
once.)

wrong
Answer: B
Explanation:
a) Alerts on config changes via email - Foundation
b) Group-based firmware compliance - Foundation
c) Heat maps of deployed APs - Advanced
d) Live upgrades of an AOS10 cluster - Advanced
According to the Aruba Central Licensing Guide1, the Foundation License provides basic device management features
such as configuration, monitoring, alerts, reports, firmware management, etc. The Advanced License provides
additional features such as AI insights, WLAN services, NetConductor Fabric, heat maps, live upgrades, etc.
https://www.arubanetworks.com/techdocs/central/2.5.3/content/pdfs/licensing-guide.pdf
Question: 170
A network technician is troubleshooting one new AP at a branch office that will not receive Its configuration from
Aruba Central. The other APs at the branch are working as expected. The output of the 'show ap debug cloud-server
command' shows that the "cloud conflg received" Is FALSE.
After confirming the new AP has internet access, what would you check next?
A. Disable and enable activate to trigger provisioning refresh
B. Verify the AP can ping the device on arubanetworks.com
C. Verify the AP has a license assigned
D. Disable and enable Aruba Central to trigger configuration refresh
Answer: C
Explanation:
If the AP has internet access but does not receive its configuration from Aruba Central, one possible reason is that the
AP does not have a license assigned in Aruba Central. A license is required for each AP to be managed by Aruba
Central.
References: https://www.arubanetworks.com/techdocs/Central/2.5.2-GA/HTML_frameset.htm#GUID-8F0E7E8
Question: 171
A network technician is using Aruba Central to troubleshoot network issues.
Which dashboard can be used to view and acknowledge issues when beginning the troubleshooting process?
A. the Alerts and Events dashboard
B. the Audit Trail dashboard
C. the Reports dashboard
D. the Tools dashboard
Answer: A
Explanation:
The Alerts and Events dashboard displays all types of alerts and events generated for events pertaining to device
provisioning, configuration, and user management. You can use the Config icon to configure alerts and notifications
for different alert categories and severities1. You can also view the alerts and events in the List view and Summary
view2.
References:
1 https://www.arubanetworks.com/techdocs/central/latest/content/nms/alerts/configuring-alerts.htm
2 https://www.arubanetworks.com/techdocs/central/latest/content/nms/alerts/viewing-alerts.htm
Question: 172
You need to configure wireless access for several classes of loT devices, some of which operate only with 802 11b.
Each class must have a unique PSK and will require a different security policy applied as a role There will be 15-20
different classes of devices and performance should be optimized
Which option fulfills these requirements?
A. Single SSID with MPSK for each loT class using 5 GHz and 6 GHz bands
B. Single SSID with MPSK for each loT class using 2.4GHz and 5 GHz bands
C. Individual SSIDs with unique PSK for each loT class, using 5GHz and 6 GHz bands
D. Individual SSIDs with unique PSK for each loT class, using 2.4GHZ and 5GHz band
Answer: B
Question: 173
Which commands are used to set a default route to 10.4.5.1 on an Aruba CX switch when ln-band management using
an SVl is being used?
A. iP default-gateway 10.4.5.1
B. ip route 0 0 0.070 10.4 5.1 vrf mgmt
C. ip route 0.0 0 0/0 10.4.5.1
D. default-gateway 10.4.5.1
Answer: C
Explanation:
The command that is used to set a default route to 10.4.5.1 on an Aruba CX switch when in-band management using
an SVI is being used is ip route 0.0 0 0/0 10.4.5.1. This command specifies the destination network address (0.0 0 0)
and prefix length (/0) and the next-hop address (10.4.5.1) for reaching any network that is not directly connected to the
switch. The default route applies to the default VRF Virtual Routing and Forwarding. VRF is a technology that allows
multiple instances of a routing table to co-exist within the same router at the same time. VRFs are typically used to
segment network traffic for security, privacy, or administrative purposes., which is used for in-band management
traffic that goes through an SVI Switch Virtual Interface. SVI is a virtual interface on a switch that allows the switch to
route packets between different VLANs on the same switch or different switches that are connected by a trunk link. An
SVI is associated with a VLAN and has an IP address and subnet mask assigned to it12. References:
1 https://www.arubanetworks.com/techdocs/AOS-CX/10_08/HTML/ip_route_4100i-6000-6100-6200/Content/Ch
2 https://www.arubanetworks.com/techdocs/AOS-CX/10_08/HTML/ip_route_4100i-6000-6100-6200/Content/Ch
Question: 174
Which Protocol Data Unit (PDU) represents the data link layer PDU?
A. PDU1 - Signal
B. PDU2 - Frame
C. PDU3 - Packet
D. PDU4 - Segment
Answer: B
Explanation:
A frame is the data link layer PDU that encapsulates the network layer PDU (packet) with a header and a trailer that
contain information such as source and destination MAC addresses, frame type, error detection, etc. A frame is
transmitted over a physical medium such asEthernet, Wi-Fi, etc.
References: https://www.arubanetworks.com/techdocs/ArubaOS_86_Web_Help/Content/arubaos-solutions/1-ov
Question: 175
When using Aruba Central what can identify recommended steps to resolve network health issues and allows you to
share detailed information with support personnel?
A. Overview Dashboard
B. OAlOps
C. Alerts and Events
D. Audit Trail
Answer: B
Explanation:
OAlOps is a feature of Aruba Central that uses artificial intelligence and machine learning to identify recommended
steps to resolve network health issues and allows you to share detailed information with support personnel. OAlOps
provides insights into network performance, root cause analysis, anomaly detection, proactive alerts, and automated
remediation actions. OAlOps also integrates with Aruba User Experience Insight (UXI) sensors to measure and
improve user experience across wired and wireless networks.
References: https://www.arubanetworks.com/assets/ds/DS_ArubaCentral.pdf
Question: 176
You need to troubleshoot an Aruba CX 6200 4-node VSF stack switch that fails to boot correctly Select the option that
allows you to access the switch and see the boot options available for OS images and ServiceOS.
A. Member 2 RJ-45 console port
B. Member 2 switch mgmt port
C. Conductor USB-C console port
D. Conductor mgmt port using SSH
Answer: A
Question: 177
A hospital uses a lot of mobile equipment for the diagnosis and documentation of patient data.
What Is the ideal access switch for this large hospital with distribution racks of over 400 ports in a single VSF stack?
A. CX 6300
B. OCX 6400
C. OCX 6200
D. OCX 6100
Answer: A
Explanation:
The ideal access switch for a large hospital with distribution racks of over 400 ports in a single VSF stack is the CX
6300.
This switch provides the following benefits:
- The CX 6300 supports up to 48 ports per switch and up to 10 switches per VSF stack, allowing for a total of 480
ports in a single stack. This meets the requirement of having over 400 ports in a single VSF stack.
- The CX 6300 supports high-performance switching with up to 960 Gbps of switching capacity and up to 714 Mpps
of forwarding rate. This meets the requirement of having high throughput and low latency for mobile equipment and
patient data.
- The CX 6300 supports advanced features such as dynamic segmentation, policy-based routing, and role-based access
control. These features enhance the security and flexibility of the network by applying different policies and roles to
different types of devices and users.
- The CX 6300 supports Aruba NetEdit, a network configuration and orchestration tool that simplifies the management
and automation of the network. This reduces the complexity and human errors involved in network configuration and
maintenance.
The other options are not ideal because:
- OCX 6400: This switch is designed for data center applications and does not support VSF stacking. It also does not
support dynamic segmentation or policy-based routing, which are useful for network security and flexibility.
- OCX 6200: This switch is designed for small to medium-sized businesses and does not support VSF stacking. It also
has lower switching capacity and forwarding rate than the CX 6300, which may affect the performance of the network.
- OCX 6100: This switch is designed for edge applications and does not support VSF stacking. It also has lower
switching capacity and forwarding rate than the CX 6300, which may affect the performance of the network.
References:
https://www.arubanetworks.com/assets/ds/DS_CX6300Series.pdf
https://www.arubanetworks.com/assets/ds/DS_OC6400Series.pdf
https://www.arubanetworks.com/assets/ds/DS_OC6200Series.pdf
https://www.arubanetworks.com/assets/ds/DS_OC6100Series.pdf
Question: 178
Which device configuration group types can a user define in Aruba Central during group creation? (Select two.)
A. Security group
B. Template group
C. Default group
D. Ul group
E. ESP group
Answer: B,C
Explanation:
Aruba Central allows you to create device configuration groups that define common settings for devices within each
group. You can create different types of groups depending on your network requirements and management
preferences.
Two types of groups that you can define in Aruba Central during group creation are:
- Template group: A template group allows you to create configuration templates using variables and expressions that
can be applied to multiple devices or device groups. Template groups provide flexibility and scalability for managing
large-scale deployments with similar configurations.
- Default group: A default group is automatically created when you add devices to Aruba Central for the first time. The
default group contains basic configuration settings that are applied to all devices that are not assigned to any other
group. You can modify or delete the default group as needed.
References:
https://www.arubanetworks.com/techdocs/Central/latest/content/nms/device-groups.htm
https://www.arubanetworks.com/techdocs/Central/latest/content/nms/template-groups.htm
https://www.arubanetworks.com/techdocs/Central/latest/content/nms/default-group.htm
Question: 179
What can be done to dynamically set the PoE Priority on a switch port when deploying IP cameras APs. and other PoE
devices?
A. Enable Quick PoE on the switch modules
B. Enable profiling for device provisioning
C. Configure PoE power management to Class-based Mode
D. Configure PoE power management to Dynamic Mode
Answer: C
Question: 180
Please match the use case to the appropriate authentication technology
wrong
Answer: C
Explanation:
Based on the information provided, here are the matches for the use case to the appropriate authentication technology:
ClearPass Policy Manager:
Authenticate users on corporate-owned Chromebook devices using 802.1X and context gathered from the network
devices that they log into.
Validate devices exist in a Mobile Device Management (MDM) database before authenticating BYOD users with
corporate Active Directory using certificates.
Cloud Authentication and Policy:
Add certificates to Android devices with the Aruba Onboard Application in the Google Play store that will be used for
wireless authentication.
Leverage unbound Multi Pre-Shared Keys (MPSK) managed by Aruba Central to the end-users and client devices.
The ClearPass Policy Manager is a comprehensive network access control (NAC) and policy management platform
that can authenticate devices using 802.1X, as well as integrate with MDM systems for device validation. The Cloud
Authentication and Policy is likely referring to cloud-based services such as Aruba Central, which can manage MPSK
and distribute certificates for device authentication.
Question: 181
Make sure the interfaces are all ON.
Which configuration script will achieve the task?
A. Edge1# conf t vlan 20 name Mgmt interface vlan 20 ip address 10.1.1.10/24 no shut interface lag 1 shut vlan access
20 lacp mode active Int 1/1/51.1/1/52 shut no routing lag 1 interface lag 1 no shut
B. Edgel# conf t vlan 20 name Mgmt interface vlan 20 ip address 10 1.1 10/24 no shut interface 1/1/51.1/1/52 shut vlan
trunk native 20 vlan trunk allowed all lag 1 lacp mode active interface 1/1/51.1/1/52 no shut
C. Edgel# conf t vlan 20 name Mgmt interface vlan 20 ip address 10 1 1 10/24 no shut interface lag 1 shut vlan trunk
native 20 vlan trunk allowed all lacp mode active Int 1/1/51.1/1/52 shut no routing lag 1 interface lag 1 no shut
interface 1/1/51.1/1/52 no shut
D. conf t vlan 20 name Mgmt ip address 10 1 1.10/24 no shut interface lag 1 shut vlan trunk native 1 vlan trunk
allowed all lacp mode active int 1/1/51.1/1/52 shut no routing interface lag 1 no shut interface 1/1/51.1/1/52 no shut
Answer: C
Explanation:
This configuration script will achieve the task as it follows the guidelines given by the Senior Engineer. It creates
VLAN 20 with name Mgmt, adds L3 SVI on VLAN 20 with IP address 10.1.1.10/24, creates LAG 1 with LACP mode
active for the uplink, uses VLAN 20 as the native VLAN on the LAG, and ensures that the interfaces are all ON.
References: https://www.arubanetworks.com/techdocs/AOS-CX/10.04/HTML/5200-6790/GUID-8F0E7E8B-0F4
Question: 182
Based on the "snow ip route" output on an AruDaCX 8400. what type of route is "10.1 20 0/24, vrf default via
10.1.12.2. [1/0]"?
A. local
B. static
C. OSPF
D. connected
Answer: B
Explanation:
A static route is a route that is manually configured on a router or switch and does not change unless it is modified by
an administrator. Static routes are used to specify how traffic should reach specific destinations that are not directly
connected to the device or that are not reachable by dynamic routing protocols. In Aruba CX switches, static routes
can be configured using the ip route command in global configuration mode. Based on the âshow ip routeâ output on
an Aruba CX 8400 switch, the route â10.1 20 0/24, vrf default via 10.1.12.2, [1/0]â is a static route because it has an
administrative distance of 1 and a metric of 0, which are typical values for static routes.
References:
https://en.wikipedia.org/wiki/Static_routing
https://www.arubanetworks.com/techdocs/AOS-CX_10_04/NOSCG/Content/cx-noscg/ip-routing/static-routes.h
Question: 183
Which statement is correct when comparing 5 GHz and 6 GHz channels with identical channel widths?
A. 5 GHz channels travel the same distances and provide different throughputs to clients compared to 6 GHz channels
B. 5 GHz channels travel different distances and provide different throughputs to clients compared to 6 GHz channels
C. 5 GHz channels travel the same distances and provide the same throughputs to clients compared to 6 GHz channels
D. 5 GHz channels travel different distances and provide the same throughputs to clients compared to 6 GHz channels
Answer: B

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