[Nov 14, 2024] New HP HPE7-A01 Dumps with Test Engine and PDF (New Questions)
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NEW QUESTION # 42
By default, Best Effort is higher priority than which priority traffic type?
- A. All queues
- B. Network Control
- C. Internet Control
- D. Background
Answer: D
Explanation:
This is because Best Effort traffic is all other kinds of non-detrimental traffic that are not sensitive to Quality of Service metrics (jitter, packet loss, latency). A typical example would be peer-to-peer and email applications. Background traffic is a type of traffic that is used for system maintenance or backup purposes and does not affect the performance or availability of the network. Therefore, Best Effort traffic has a higher priority than Background traffic in terms of network resources allocation and management.
NEW QUESTION # 43
What are two advantages of splitting a larger OSPF area into a number of smaller areas? (Select two)
- A. It reduces the total number of LSAs
- B. it simplifies the configuration.
- C. It increases stability
- D. It reduces processing overhead.
- E. It extends the LSDB
Answer: C,D
Explanation:
Splitting a larger OSPF area into a number of smaller areas has several advantages for network scalability and performance. Some of these advantages are:
* It increases stability by limiting the impact of topology changes within an area. When a link or router fails in an area, only routers within that area need to run the SPF algorithm and update their routing tables. Routers in other areas are not affected by the change and do not need to recalculate their routes.
* It reduces processing overhead by reducing the size and frequency of link-state advertisements (LSAs).
LSAs are packets that contain information about the network topology and are flooded within an area.
By dividing a network into smaller areas, each area has fewer LSAs to generate, store, and process,
* which saves CPU and memory resources on routers.
* It reduces bandwidth consumption by reducing the amount of routing information exchanged between areas. Routers that connect different areas, called area border routers (ABRs), summarize the routing information from one area into a single LSA and advertise it to another area. This reduces the number of LSAs that need to be transmitted across area boundaries and saves network bandwidth.
References:
https://www.cisco.com/c/en/us/support/docs/ip/open-shortest-path-first-ospf/7039-1.html
https://www.cisco.com/c/en/us/support/docs/ip/open-shortest-path-first-ospf/13703-8.html
NEW QUESTION # 44
Select the Aruba stacking technology matching each option (Options may be used more than once or not at all.)
Answer:
Explanation:
Explanation
a) Support up to 10 devices per stack ->
b) Support two devices per stack ->
c) Individual ISL links up to 400G are supported ->
d) individual ISL links up to 50G are supported ->
e) A maximum aggregate ISL bandwidth of 200G is supported ->
References: 1
https://www.arubanetworks.com/techdocs/AOS-CX/10.04/HTML/5200-6728/GUID-2E425DAE-EC54-4313-9D
NEW QUESTION # 45
What is the order of operations tor Key Management service for a wireless client roaming from AP1 to AP2?
Answer:
Explanation:
Explanation
https://www.arubanetworks.com/techdocs/Instant_85_WebHelp/Content/instant-ug/wlan-ssid-conf/conf-fast-roa
NEW QUESTION # 46
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
- B. administrators
- C. sysops
- D. config
Answer: C
Explanation:
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 switch.
NEW QUESTION # 47
What is an Aruba-recommended best practice for hardening that only applies to Aruba CX 6300 series switches with dedicated management ports?
- A. Create a dedicated management VRF, and assign the management port to it.
- B. Disable all management services on the default VRF.
- C. Implement a control plane ACL to limit access to approved IPs and/or subnets
- D. Manually enable Enhanced Security Mode from a console session.
Answer: A
Explanation:
This is an Aruba-recommended best practice for hardening that only applies to Aruba CX 6300 series switches with dedicated management ports. A dedicated management port is a physical port that is used exclusively for out-of-band management access to the switch. A dedicated management VRF is a virtual routing and forwarding instance that isolates the management traffic from other traffic on the switch. By creating a dedicated management VRF and assigning the management port to it, the administrator can enhance the security and performance of the management access to the switch. The other options are incorrect because they either do not apply to switches with dedicated management ports or do not follow Aruba-recommended best practices. Reference: https://www.arubanetworks.com/assets/ds/DS_AOS-CX.pdf https://www.arubanetworks.com/assets/tg/TB_ArubaCX_Switching.pdf
NEW QUESTION # 48
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. Clearpass
- B. ClientMatch
- C. ARM
- D. Airmatch
Answer: B
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.
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 conditions.
NEW QUESTION # 49
A customer has a large number of food-producing machines
* All machines are connected via Aruba CX6200 switches in VLANs 100.110. and 120
* Several external technicians are maintaining this special equipment
What are the correct commands to ensure that no rogue DHCP server will impact the network?
- A.
- B.
- C.
- D.
Answer: D
Explanation:
Option A shows the correct commands to ensure that no rogue DHCP server will impact the network.
The commands include the following steps:
* Enable DHCP snooping on the switch. DHCP snooping is a feature that prevents rogue DHCP servers from offering IP addresses to clients by filtering DHCP messages based on trusted and untrusted ports1.
* Configure VLANs 100, 110, and 120 as DHCP snooping VLANs. This means that DHCP snooping will be applied to these VLANs and any untrusted DHCP messages received on these VLANs will be dropped1.
* Configure LAG 1 as a trusted port for DHCP snooping. This means that any DHCP messages received on LAG 1 will be allowed and not filtered by DHCP snooping. LAG 1 is assumed to be connected to a legitimate DHCP server or a router that relays DHCP requests to a legitimate DHCP server1.
Option B is incorrect because it does not enable DHCP snooping on the switch or configure VLANs 100,
110, and 120 as DHCP snooping VLANs. Option C is incorrect because it does not configure LAG 1 as a trusted port for DHCP snooping. Option D is incorrect because it does not enable DHCP snooping on the switch or configure LAG 1 as a trusted port for DHCP snooping.
References: 1 https://techhub.hpe.com/eginfolib/Aruba/OS-CX_10.04/5200-6692/GUID-BD3E0A5F- FE4C-4B9B-BE1D-FE7
NEW QUESTION # 50
Which method is used to onboard a new UXI in an existing environment with 802 1X authentication? (The sensor has no cellular connection)
- A. Connect the new UXI from an already installed one and adjust the initial configuration.
- B. Use the UXI app on your smartphone and connect the UXI via Bluetooth
- C. Use the Aruba installer app on your smartphone to scan the barcode
- D. Use the CLI via the serial cable and adjust the initial configuration.
Answer: B
Explanation:
To onboard a new UXI in an existing environment with 802.1X authentication, you need to use the UXI app on your smartphone and connect the UXI via Bluetooth. The UXI app allows you to scan the QR code on the UXI sensor and configure its network settings, such as SSID, password, IP address, etc. The Bluetooth connection allows you to communicate with the UXI sensor without requiring any network access or cellular connection. The other options are incorrect because they either do not use the UXI app or do not use Bluetooth. References:
https://www.arubanetworks.com/products/network-management-operations/analytics-monitoring/user-experienc
NEW QUESTION # 51
The administrator notices that wired guest users that have exceeded their bandwidth limit are not being disconnected Access Tracker in ClearPass indicates a disconnect CoA message is being sent to the AOS-CX switch.
An administrator has performed the following configuration
What is the most likely cause of this issue?
- A. Change of Authorization has not been globally enabled on the switch
- B. There is a time difference between the switch and the ClearPass Policy Manager
- C. There is a mismatch between the RADIUS secret on the switch and CPPM.
- D. The SSL certificate for CPPM has not been added as a trust point on the switch
Answer: B
Explanation:
Change of Authorization (CoA) is a feature that allows ClearPass Policy Manager (CPPM) to send messages to network devices such as switches to change the authorization state of a user session. CoA requires that both CPPM and the network device support this feature and have it enabled. For AOS-CX switches, CoA must be globally enabled using the command radius-server coa enable. If CoA is not enabled on the switch, the disconnect CoA message from CPPM will be ignored and the user session will not be terminated. Reference: https://www.arubanetworks.com/techdocs/ClearPass/6.7/PolicyManager/index.htm#CPPM_UserGuide/Admin/ChangeOfAuthorization.htm https://techhub.hpe.com/eginfolib/Aruba/OS-CX_10.04/5200-6692/GUID-9B8F6E8F-9C7A-4F0D-AE7B-9D8E6C5B6A7F.html
NEW QUESTION # 52
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
- B. administrators
- C. sysops
- D. config
Answer: C
Explanation:
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.
NEW QUESTION # 53
What is a primary benefit of BSS coloring?
- A. BSS color tags improve security by identifying rogue APs and removing them from the network.
- B. BSS color tags are applied to client devices and can reduce the threshold for interference
- C. BSS color tags improve performance by allowing clients on the same channel to share airtime.
- D. BSS color tags are applied to Wi-Fi channels and can reduce the threshold for interference
Answer: B
Explanation:
Explanation
This is the correct definition of BSS coloring and its primary benefit. BSS coloring is a mechanism that assigns a color code to each BSS (Basic Service Set), which consists of an AP and its associated clients. The color code is added to the PHY header of each frame transmitted by the AP or the client. BSS coloring helps reduce co-channel interference by allowing devices to differentiate between frames from their own BSS and frames from neighboring BSSs that use the same channel. Devices can then adjust their threshold for interference based on the color code and decide whether to transmit or defer based on the channel status. The other options are incorrect because they either describe different mechanisms or benefits of BSS coloring or use incorrect terms. References:
https://www.commscope.com/blog/2018/wi-fi-6-fundamentals-basic-service-set-coloring-bss-coloring/
https://www.techtarget.com/searchnetworking/answer/How-will-BSS-coloring-boost-Wi-Fi-6-performance
NEW QUESTION # 54
You are troubleshooting an issue with a pair of Aruba CX 8360 switches configured with VSX Each switch has multiple VRFs. You need to find the IP address of a particular client device with a known MAC address You run the "show arp" command on the primary switch in the pair but do not find a matching entry for the client MAC address.
The client device is connected to an Aruba CX 6100 switch by VSX LAG.
Which action can be used to find the IP address successfully?
- A.
- B.
- C.
- D.
Answer: A
Explanation:
Explanation
The show arp command displays the ARP table for a specific VRF or all VRFs on the switch. The ARP table contains the IP address to MAC address mappings for hosts that are directly connected to the switch or reachable through a gateway. If the client device is connected to another switch by VSX LAG, the ARP entry for the client device will not be present on the primary switch unless it has communicated with it recently.
Therefore, to find the IP address of the client device, the administrator should run the show arp command on the secondary switch in the VSX pair, specifying the VRF name that contains the client device's subnet.
References:
https://techhub.hpe.com/eginfolib/Aruba/OS-CX_10.04/5200-6692/GUID-9B8F6E8F-9C7A-4F0D-AE7B-9D8E
NEW QUESTION # 55
You are configuring Policy Based Routing (PBR) for a subnet that will be used to test a new default route for your network Traffic originating from 10.2.250.0/24 should use a new default route to 10.1.1.253. Other non-default routes for this subnet should not be affected by this change.
What are two parts of the solution for these requirements? (Select two.)
- A.
- B.
- C.
- D.
- E.
Answer: C,D
Explanation:
Two parts of the solution for these requirements are Option C and Option E.
Option C is a part of the solution because it defines a policy-based routing action list named route_test, which specifies the next hop IP address as 10.1.1.253 for the matching traffic. This is the new default route that the user wants to use for the subnet 10.2.250.0/24.The interface null parameter indicates that the traffic will be routed to the next hop without using a specific interface1.
Option E is a part of the solution because it applies the policy-based routing action list route_test to the VLAN interface 250, which has an IP address of 10.2.250.1/24. This is the subnet that the user wants to test the new default route for.The apply policy command enables policy-based routing on the interface and associates it with the action list2.
Option A is not a part of the solution because it defines a policy-based routing action list named route_test, but does not specify the next hop IP address as 10.1.1.253, which is the new default route that the user wants to use. Instead, it specifies a next hop IP address of 10.1.1.254, which is different from the requirement.
Option B is not a part of the solution because it defines a policy-based routing action list named route_test, but does not specify any next hop IP address at all, which is necessary for policy-based routing to work. Instead, it specifies an interface null parameter without any IP address, which is invalid.
Option D is not a part of the solution because it applies the policy-based routing action list route_test to the VLAN interface 200, which has an IP address of 10.2.200.1/24. This is not the subnet that the user wants to test the new default route for, but a different subnet that should not be affected by this change.
NEW QUESTION # 56
Which method is used to onboard a new UXI in an existing environment with 802 1X authentication? (The sensor has no cellular connection)
- A. Connect the new UXI from an already installed one and adjust the initial configuration.
- B. Use the UXI app on your smartphone and connect the UXI via Bluetooth
- C. Use the Aruba installer app on your smartphone to scan the barcode
- D. Use the CLI via the serial cable and adjust the initial configuration.
Answer: B
Explanation:
Explanation
To onboard a new UXI in an existing environment with 802.1X authentication, you need to use the UXI app on your smartphone and connect the UXI via Bluetooth. The UXI app allows you to scan the QR code on the UXI sensor and configure its network settings, such as SSID, password, IP address, etc. The Bluetooth connection allows you to communicate with the UXI sensor without requiring any network access or cellular connection. The other options are incorrect because they either do not use the UXI app or do not use Bluetooth. References:
https://www.arubanetworks.com/products/network-management-operations/analytics-monitoring/user-experienc
https://help.centralon-prem.arubanetworks.com/2.5.4/documentation/online_help/content/nms-on-prem/aos-cx/g
NEW QUESTION # 57
List the firewall role derivation flow in the correct order
Answer:
Explanation:
1 - Server derived role
2 - User derived role
3 - Authentication default role
4 - Initiation role assigned
NEW QUESTION # 58
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