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HP HPE7-A01 Practice Test - Questions Answers, Page 9

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Which component is used by the Aruba Network Analytics Engine (NAE)?
Which standard supported by some Aruba APs can enable a customer to accurately locate wireless client devices within a few meters?
Your customer currently has Iwo (2) 5406 modular switches with MSTP configured as their core switches. You are proposing a new solution. What would you explain regarding the Aruba CX VSX switch pair when the Primary VSX node is replaced and the system MAC is replaced?
For an Aruba AOS10 AP in mixed mode, which factors can be used to determine the forwarding role assigned to a client? (Select two.)
For the Aruba CX 6400 switch, what does virtual output queueing (VOQ) implement that is different from most typical campus switches?
You need to drop excessive broadcast traffic on an ingress port or an ArubaOS-CX switch. What is the best feature to use for this task?
A customer just upgraded aggregation layer switches and noticed traffic dropping for 120 seconds after the aggregation layer came online again. What is the best way to avoid having this traffic dropped given the topology below?
You are doing tests in your lab and with the following equipment specifications: * AP1 has a radio that generates a 20 dBm signal * AP2 has a radio that generates a 8 dBm signal * AP1 has an antenna with a gain of 7 dBI. * AP2 has an antenna with a gain of 12 dBI. * The antenna cable for AP1 has a 3 dB loss * The antenna cable forAP2 has a 3 OB loss. What would be the calculated Equivalent Isotropic Radiated Power (EIRP) for AP1?
When configuring UBT on a switch what will happen when a gateway role is not specified?
Which statements regarding 0SPFv2 route redistribution are true for Aruba OS CX switches? (Select two.)

Question 81

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With the Aruba CX switch configuration, what is the Active Gateway feature that is used for and is unique to VSX configuration?

A.
Sixteen different VMACs are supported total as shared.
A.
Sixteen different VMACs are supported total as shared.
Answers
B.
Active Gateway can once MSTP instances are created for VLAN load sharing.
B.
Active Gateway can once MSTP instances are created for VLAN load sharing.
Answers
C.
Sixteen different VMACS are supported for each IPV4 and IPV6 stack simultaneously
C.
Sixteen different VMACS are supported for each IPV4 and IPV6 stack simultaneously
Answers
D.
copied over the ISL link for an optimized path.
D.
copied over the ISL link for an optimized path.
Answers
Suggested answer: C

Explanation:

The active gateway feature is used to provide active-active layer 3 default gateway for hosts on the same subnet. It allows the switch to convert multicast streams into unicast streams over the wireless link, which improves the quality and reliability of streaming video, while preserving the bandwidth available to the non-video clients. The active gateway feature is unique to VSX configuration because it eliminates the need for VRRP and avoids traffic being pushed over the ISL link, which can cause latency in the network12.

The correct answer to the question is C. Sixteen different VMACs are supported for each IPv4 and IPv6 stack simultaneously. This means that you can have a maximum of eight VMACs for IPv4, and a maximum of eight VMACs for IPv6, on a VSX pair. Only 15 VMACs are supported on 6400 switch series2.

The other options are incorrect because:

A) Sixteen different VMACs are not supported total as shared. They are supported for each IPv4 and IPv6 stack separately.

B) Active gateway can be used without MSTP instances. MSTP is a protocol that allows multiple spanning tree instances to coexist on the same switch, but it does not affect how active gateway works.

D) Active gateway does not copy traffic over the ISL link for an optimized path. It avoids using the ISL link for routed traffic and uses the local switch interface MAC instead of the virtual MAC address (VMAC) for source address1.

Question 82

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What is a primary benefit of BSS coloring?

A.
BSS color tags improve performance by allowing APS on the same channel to be farther apart
A.
BSS color tags improve performance by allowing APS on the same channel to be farther apart
Answers
B.
BSS color tags improve security by identifying rogue APS and tagging them as threats.
B.
BSS color tags improve security by identifying rogue APS and tagging them as threats.
Answers
C.
BSS color tags are applied on the wireless controllers and can reduce the threshold for interference_
C.
BSS color tags are applied on the wireless controllers and can reduce the threshold for interference_
Answers
D.
BSS color tags are applied to WI-Fi channels and can reduce the threshold tor interference
D.
BSS color tags are applied to WI-Fi channels and can reduce the threshold tor interference
Answers
Suggested answer: D

Explanation:

The primary benefit of BSS coloring is D. BSS color tags are applied to Wi-Fi channels and can reduce the threshold for interference.

BSS coloring is a mechanism that allows Wi-Fi 6 devices to mark each frame with a color code that identifies the BSS (Basic Service Set) it belongs to. This helps differentiate between frames from different BSSs that share the same channel and avoid unnecessary collisions and backoffs. BSS coloring also introduces an adaptive threshold for interference, which means that Wi-Fi 6 devices can adjust the signal strength value that determines whether a channel is busy or not based on the current network environment. This allows for more efficient use of spectrum and higher throughput in dense scenarios12.

Question 83

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Your Director of Security asks you to assign AOS-CX switch management roles to new employees based on their specific job requirements. After the configuration was complete, it was noted that a user assigned with the auditors role did not have the appropriate level of access on the switch.

The user was not allowed to perform firmware upgrades and a privilege level of 15 was not assigned to their role. Which default management role should have been assigned for the user?

A.
sysadmin
A.
sysadmin
Answers
B.
sysops
B.
sysops
Answers
C.
administrators
C.
administrators
Answers
D.
config
D.
config
Answers
Suggested answer: B

Explanation:

The correct answer is B. sysops.

The sysops user role is a predefined role that allows users to perform system operations on the switch, such as backup, restore, upgrade, or reboot. The sysops user role also has access to the PUT and POST methods for REST API, which can be used to modify the switch configuration. The sysops user role has a privilege level of 15, which is the highest level of access on the switch1.

The other options are incorrect because:

A) sysadmin: The sysadmin user role is a predefined role that allows users to view and modify the switch configuration using the CLI or the Web UI. The sysadmin user role does not have access to the REST API methods, and cannot perform firmware upgrades1.

C) administrators: The administrators user role is a predefined role that has full access to all switch configuration information and all REST API methods. This role is more than what the Director of Security requires1.

D) config: The config user role is a predefined role that allows users to view and modify the switch configuration using the CLI or the Web UI. The config user role does not have access to the REST API methods, and cannot perform firmware upgrades1.

Question 84

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With the Aruba CX 6000 24G switch with uplinks of 1/1/25 and what does the switch do when a client port detects a loop and the do-not-disabie parameter is used?

A.
Port status will be validated once status is cleared
A.
Port status will be validated once status is cleared
Answers
B.
An event log message is created.
B.
An event log message is created.
Answers
C.
The network analytics engine is triggered.
C.
The network analytics engine is triggered.
Answers
D.
Port status led blinks in amber with 100hz.
D.
Port status led blinks in amber with 100hz.
Answers
Suggested answer: B

Explanation:

The correct answer is B. An event log message is created.

The do-not-disable parameter is used to prevent the switch from disabling the port when a loop is detected by the loop-protect feature. Instead, the switch will generate an event log message that indicates the port number and the VLAN ID where the loop was detected. The switch will also send a trap to the SNMP manager, if configured1.

The other options are incorrect because:

A) Port status will not be validated once status is cleared. The port will remain enabled even if a loop is detected, unless the loop-protect action is changed to tx-disable or tx-rx-disable1.

C) The network analytics engine will not be triggered by a loop detection. The network analytics engine is a feature that allows users to monitor and troubleshoot network issues using scripts and agents2.

D) Port status LED will not blink in amber with 100Hz. The port status LED will indicate the normal port status, such as link speed and activity, regardless of the loop detection3.

Question 85

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When setting up an Aruba CX VSX pair, which information does the Inter-Switch Link Protocol configuration use in the configuration created?

A.
hello interval is disabled by default
A.
hello interval is disabled by default
Answers
B.
hello interval is based on the value set by dead interval
B.
hello interval is based on the value set by dead interval
Answers
C.
hello interval 100ms by default
C.
hello interval 100ms by default
Answers
D.
hello interval is 1s by default
D.
hello interval is 1s by default
Answers
Suggested answer: D

Explanation:

The reason is that the Inter-Switch Link Protocol (ISLP) is a protocol that enables VSX stack join and synchronization between two VSX peer switches. ISLP uses a hello interval to exchange control messages between the switches.

The hello interval is a parameter that specifies the time interval between sending hello messages. The default value of the hello interval is 1 second. The hello interval can be configured from 1 second to 10 seconds.

https://www.arubanetworks.com/techdocs/AOS-CX/10.04/HTML/5200-6728/index.html

Question 86

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Your customer has four (4) Aruba 7200 Series Gateways and two (2) 7000 Series Gateways. The customer wants to form a cluster with these Gateways. What design consideration would prevent you from using all of those Gateways?

A.
Multiple versions between Gateways in the same cluster profile are not allowed AOS 10.x.
A.
Multiple versions between Gateways in the same cluster profile are not allowed AOS 10.x.
Answers
B.
A heterogeneous cluster is not supported in AOS 10.x.
B.
A heterogeneous cluster is not supported in AOS 10.x.
Answers
C.
The AP load should be lowest value of worst-case scenario load.
C.
The AP load should be lowest value of worst-case scenario load.
Answers
D.
A combination of 7200 series and 7000 series gateways supports up to 4 nodes
D.
A combination of 7200 series and 7000 series gateways supports up to 4 nodes
Answers
Suggested answer: A

Explanation:

The reason is that AOS 10.x does not support clustering gateways with different versions in the same cluster profile. A cluster profile defines the configuration settings for a group of gateways that are managed by Aruba Central.

According to the Aruba documentation2, ''You can combine 7200 Series and 7000 Series gateways in the same cluster with a maximum size of four devices with reduced AP client capacity on 7000 Series gateways.''

Question 87

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DRAG DROP

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.)


Question 87
Correct answer: Question 87

Question 88

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You are deploying Aruba CX 6300's with the customers requirement to only allow one (1) VoIP phone and one (1) device.

The following local role gets assigned to the phone port-access rote VoIP device-traffic-class voice

What set of commands best fits this requirement?

A.
interface 1/1/1 aaa authentication port-access client-limit 2 aaa authentication port-access auth-mode client-mode
A.
interface 1/1/1 aaa authentication port-access client-limit 2 aaa authentication port-access auth-mode client-mode
Answers
B.
interface 1/1/1 aaa authentication port-access auth-mode multi-domain
B.
interface 1/1/1 aaa authentication port-access auth-mode multi-domain
Answers
C.
interface 1/1/1 aaa authentication port-access client-limit multi-domain 2 aaa authentication port-access auth-mode multi-domain
C.
interface 1/1/1 aaa authentication port-access client-limit multi-domain 2 aaa authentication port-access auth-mode multi-domain
Answers
D.
interface 1/1/1 aaa authentication port-access client-limit 1 aaa authentication port-access auth-mode device-mode
D.
interface 1/1/1 aaa authentication port-access client-limit 1 aaa authentication port-access auth-mode device-mode
Answers
Suggested answer: C

Explanation:

Aruba CX 6300 switches support various features to control the port access for different types of devices, such as client mode, device mode, and multidomain mode. These features can help limit the number of clients that can connect to a port and prevent unauthorized devices from accessing the network.

This is because option C shows how to configure the client limit and the auth-mode for a specific port using the interface command and the aaa authentication port-access command. The client limit specifies the maximum number of clients that can connect to a port. The auth-mode specifies the authentication mode for the port.In this case, option C sets both parameters to multi-domain mode, which allows only one voice device and one data device to be authenticated on a port

https://www.arubanetworks.com/techdocs/AOS-CX/10.10/HTML/monitoring_6300-6400/Content/Chp_LEDs/fro-pan-led-630.htm2: https://www.arubanetworks.com/products/switches/6300-series/3: https://www.arubanetworks.com/techdocs/AOS-CX/10.11/HTML/security_6200-6300-6400/Content/Chp_Port_acc/Port_acc_gen_cmds/aaa-aut-por-acc-aut-mod-fl-109.htm

Question 89

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For an Aruba AOS10 AP in mixed mode, which factors can be used to determine the forwarding role assigned to a client? (Select two.)

A.
Client IP address
A.
Client IP address
Answers
B.
802.1X authentication result
B.
802.1X authentication result
Answers
C.
Client MAC address
C.
Client MAC address
Answers
D.
Client SSID
D.
Client SSID
Answers
E.
Client VLAN
E.
Client VLAN
Answers
Suggested answer: A, D

Explanation:

Client IP address: This factor can be used to determine if the client is on the same VLAN as the AP or not. If the client IP address is on the same VLAN as the AP, then the client traffic is bridged locally.If the client IP address is on a different VLAN than the AP, then the client traffic is forwarded to the gateway cluster through a secure tunnel12.

Client VLAN: This factor can be used to determine if the client belongs to a specific VLAN or not.If the client belongs to a specific VLAN, then the client traffic is forwarded to that VLAN based on its IP address and security profile12.

Question 90

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You are building a configuration in Central that will be used for a standardized network design for small sites for your company, you want to use GUI configuration for gateways and Aps, while template configuration for switches. You need to align with Aruba best practices.

Which set of actions will satisfy these requirements?

A.
Create one group in Central for switches a second group for APs. and a third group for gateways Create a unique site for each location, and assign devices to the appropriate site.
A.
Create one group in Central for switches a second group for APs. and a third group for gateways Create a unique site for each location, and assign devices to the appropriate site.
Answers
B.
Create one group in Central for switches and a second group for APs and gateways. Create a unique site for each location, and assign devices to the appropriate site.
B.
Create one group in Central for switches and a second group for APs and gateways. Create a unique site for each location, and assign devices to the appropriate site.
Answers
C.
Create a single group in Central. Create a unique site for each location, and assign devices to the appropriate site.
C.
Create a single group in Central. Create a unique site for each location, and assign devices to the appropriate site.
Answers
D.
Create a single group in Central. Create a unique site for each type of device, and assign devices to the appropriate site.
D.
Create a single group in Central. Create a unique site for each type of device, and assign devices to the appropriate site.
Answers
Suggested answer: C

Explanation:

This is because option C shows how to create a single group in Central with different configuration methods defined for each device type. For example, you can create a group with the name Group1, and within this group, you can enable template-based configuration method for switches and UI-based configuration method for Instant APs and Gateways. Aruba Central identifies both these groups under a single name (Group1). If a device type in the group is marked for template-based configuration method, the group name is prefixed with TG (TG Group1).You can use Group1 as the group ID for workflows such as user management, monitoring, reports, and audit trail2.

https://www.arubanetworks.com/techdocs/central/latest/content/nms/groups/abt-groups.htm2: https://www.arubanetworks.com/techdocs/central/latest/content/nms/groups/groups.htm

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