[Jun 11, 2024] Get to the Top with HPE6-A85 Practice Exam Questions
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HP HPE6-A85 Exam is an important certification for IT professionals who want to enhance their knowledge and skills in deploying Aruba wireless networks. Aruba Campus Access Associate Exam certification showcases the candidate’s expertise in designing, deploying, and managing Aruba wireless networks. Aruba Campus Access Associate Exam certification is recognized globally by various organizations, and it is highly valued in the IT industry.
NEW QUESTION # 52
When using the network check page in Central, what kind of tests can you run on switches? (Select two.)
- A. LED-check.
- B. A full hardware check, including a heavy memory check
- C. PoE-check
- D. Speed test (iperf)
- E. Ping test
Answer: C,E
Explanation:
In Aruba Central's network check page, you can run several diagnostic tests on switches. A ping test is a common utility to check the reachability of a host on an IP network. A Power over Ethernet (PoE) check can help verify the power delivery status to PoE-capable devices. These tests are crucial for ensuring connectivity and power supply to network devices
NEW QUESTION # 53
Match each AAA service with its correct definition (Matches may be used more than once or not at all)
Answer:
Explanation:
NEW QUESTION # 54
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. OAlOps
- B. Audit Trail
- C. Overview Dashboard
- D. Alerts and Events
Answer: A
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. Reference: https://www.arubanetworks.com/assets/ds/DS_ArubaCentral.pdf
NEW QUESTION # 55
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-static 10.2 10.0.255.255.255.0 172.16.1.1
- C. ip route 10.2.10.0.255.255.255.0 172.16.1.1 description aruba
- D. ip route 10.2.10.0/24.172.16.11
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. Reference: https://www.arubanetworks.com/techdocs/AOS-CX_10_04/NOSCG/Content/cx-noscg/ip-routing/static-routes.htm To add a static route in network devices, including Aruba switches, the correct command format generally includes the destination network, subnet mask (or CIDR notation for the mask), and the next-hop IP address. The command "ip route 10.2.10.0/24 172.16.1.1" correctly specifies the destination network "10.2.10.0" with a class C subnet mask indicated by "/24", and "172.16.1.1" as the next-hop IP address. This command is succinct and follows the standard syntax for adding a static route in many network operating systems, including ArubaOS-CX. The other options either have incorrect syntax or include additional unnecessary parameters that are not typically part of the standard command to add a static route.
NEW QUESTION # 56
What is the recommended UXI monitoring solution in large logistic facilities?
- A. Use a special ruggedized UXI sensor.
- B. Use the UXI App direct on Zebra scanning devices running on Android.
- C. Add a UXI sensor in every aisle of the logistic space.
- D. Use the UXI App on all handheld devices running on Windows CE.
Answer: C
Explanation:
In large logistic facilities, to ensure comprehensive monitoring and performance analysis, it's recommended to place a User Experience Insight (UXI) sensor in every aisle. This allows for detailed and specific monitoring of network performance across the extensive coverage area of such facilities.
NEW QUESTION # 57
Match the switching technology with the appropriate use case.
Answer:
Explanation:
Explanation
USE CASE: a) Controls the dynamic addition and removal of ports to groups Technology: 3) LACP USE CASE: b) Tags Ethernet frames with an additional VLAN header Technology: 1) 802.1Q USE CASE: c) Used to authenticate EAP-Capable client on a switch port Technology: 2) 802.1X USE CASE: d) Used to identify a voice VLAN to an IP phone Technology: 4) LLDP The following table summarizes the switching technologies and their use cases:
Technology
Use case
1) 802.1Q
802.1Q is a standard that defines how to create and manage virtual LANs (VLANs) on a network. VLANs allow network administrators to logically segment a network into different broadcast domains, improving security, performance, and manageability. 802.1Q tags Ethernet frames with an additional VLAN header that contains a VLAN identifier (VID), which indicates which VLAN the frame belongs to1.
2) 802.1X
802.1X is a standard that defines how to provide port-based network access control (PNAC) on a network.
PNAC allows network administrators to authenticate and authorize devices before granting them access to network resources. 802.1X uses the Extensible Authentication Protocol (EAP) to exchange authentication messages between a supplicant (a device that wants to access the network), an authenticator (a device that controls access to the network, such as a switch), and an authentication server (a device that verifies the credentials of the supplicant, such as a RADIUS server)
3) LACP
LACP stands for Link Aggregation Control Protocol, which is part of the IEEE 802.3ad standard that defines how to bundle multiple physical links into a single logical link, also known as a link aggregation group (LAG) or an EtherChannel. LAGs provide increased bandwidth, load balancing, and redundancy for network connections. LACP controls the dynamic addition and removal of ports to groups, ensuring that only ports with compatible configurations can form a LAG3.
4) LLDP
LLDP stands for Link Layer Discovery Protocol, which is part of the IEEE 802.1AB standard that defines how to discover and advertise information about neighboring devices on a network. LLDP operates at Layer 2 of the OSI model and uses TLVs (type-length-value) to exchange information such as device name, port number, VLAN ID, capabilities, and power requirements. LLDP can be used to identify a voice VLAN to an IP phone by sending a TLV that contains the voice VLAN ID and priority.
References: 1 https://en.wikipedia.org/wiki/IEEE_802.1Q 2 https://en.wikipedia.org/wiki/IEEE_802.1X 3
https://en.wikipedia.org/wiki/Link_aggregation
https://en.wikipedia.org/wiki/Link_Layer_Discovery_Protocol
NEW QUESTION # 58
You are working with a pair of 6300M switches in a VSF stack. The switch has 48 SmartRate 5G ports, 2 SFP28 ports, and 2 SFP56 ports. Both SFP56 ports are used for stacking.
You need to provide an LACP connection to another identical stack with the maximum available bandwidth possible. What should you configure?
- A. an eight-member LAG using 2 SFP28 ports and 2 SR5 ports on each switch
- B. a four-member LAG using 2 SFP28 ports on each switch
- C. an eight-member LAG using 4 SR5 ports on each switch
- D. a 16-member LAG using 2 SFP28 ports and 6 SR5 ports on each switch
Answer: D
Explanation:
To provide an LACP connection with the maximum available bandwidth, one should configure a link aggregation group (LAG) using all available ports that can be used for data transfer. Since the SFP56 ports are used for stacking, the next best option is to use the 2 SFP28 ports and as many SmartRate 5G (SR5) ports as possible on each switch, which would allow for a 16-member LAG, with 2 SFP28 and 6 SR5 ports on each switch contributing to the LAG.
NEW QUESTION # 59
A customer has just implemented user and device certificates via a company-wide Group Based Policy (GPO) Which EAP method requires client certificates when authenticating to the network?
- A. PEAP
- B. EAP-TLS
- C. EAP-TTLS
- D. EAP-TEAP
Answer: B
Explanation:
Explanation
EAP-TLS is an authentication method that requires client certificates when authenticating to the network. It provides mutual authentication between the client and the server using public key cryptography and digital certificates.
References:https://www.arubanetworks.com/techdocs/ClearPass/6.9/Guest/Content/CPPM_UserGuide/EAP-TLS
NEW QUESTION # 60
Which authentication does Aruba's Captive Portal use?
- A. Layer 2 authentication
- B. 802.1x authentication
- C. MAC authentication
- D. Layer 3 authentication
Answer: D
Explanation:
Aruba's Captive Portal uses Layer 3 authentication, which means that it intercepts the client's HTTP requests and redirects them to a web page where the client can enter their credentials. The credentials are then verified by a RADIUS server or a local database before granting network access. Reference: https://www.arubanetworks.com/techdocs/Instant_86_WebHelp/Content/instant-ug/captive-portal/captive-portal-auth.htm Aruba's Captive Portal primarily uses Layer 3 authentication, which operates at the network layer. When a user connects to a network with a Captive Portal, they are redirected to a web page for authentication. This process involves the user entering credentials or accepting terms and conditions through a web interface before gaining full access to the network. The Captive Portal intercepts the user's web traffic at Layer 3, requiring them to authenticate before proceeding, which is why it's considered a form of Layer 3 authentication.
NEW QUESTION # 61
How does a single Aruba CX 6300M switch configuration use L3 connectivity to establish routing traffic between switch virtual interfaces 120 and 130?
- A. Create static routes between SVI 120 and 130.
- B. Route leaking must be configured in default VRF.
- C. Delete 'no routing' from the SVI interfaces.
- D. Routing is enabled by default with Aruba 6300M.
Answer: D
Explanation:
On an Aruba CX 6300M switch, routing between Switch Virtual Interfaces (SVIs) is enabled by default. Therefore, traffic between SVIs, like 120 and 130, can be routed internally without the need for additional configuration such as route leaking or static routes, as long as there is no 'no routing' configuration present on the SVIs.
NEW QUESTION # 62
What is used by network devices to send error and operational information related to IP communications?
- A. Cyclic Redundancy Check (CRC)
- B. Internet Control Message Protocol (ICMP)
- C. Frame Check Sequence (FCS)
- D. User Datagram Protocol (UDP)
Answer: B
Explanation:
ICMP (Internet Control Message Protocol) is used by network devices to send error and operational information related to IP communications. It is used to send messages like "destination unreachable" or "time exceeded" when there are issues in IP communication
NEW QUESTION # 63
Which flew in a Layer 3 IPv4 packet header is used to mitigate Layer 3 route loops?
- A. Time To Live
- B. Destination IP
- C. Protocol
- D. Checksum
Answer: A
Explanation:
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
NEW QUESTION # 64
Describe the purpose of the administrative distance
- A. The administrative distance for a static route is 10
- B. Routes teamed via external BGP have a higher administrative distance than routes learned via OSPF
- C. The higher administrative distance is preferred
- D. The administrative distance is used as a trust rating For route entries
Answer: D
Explanation:
The administrative distance is used as a trust rating for route entries (B). It is a metric used by routers to select the best path when there are two or more different routes to the same destination from two different routing protocols. The lower the administrative distance value, the more trustworthy the source of the route. For example, a directly connected network has an administrative distance of 0 because it is the most trusted source of routing information. In contrast, routes learned from different routing protocols have higher administrative distances, reflecting their relative trustworthiness.
NEW QUESTION # 65
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. Verify the AP has a license assigned
- B. Disable and enable Aruba Central to trigger configuration refresh
- C. Verify the AP can ping the device on arubanetworks.com
- D. Disable and enable activate to trigger provisioning refresh
Answer: D
Explanation:
When an Aruba AP is not receiving its configuration from Aruba Central, and other APs at the location are functioning normally, a common troubleshooting step is to disable and then re-enable the activation process on the AP. This action can trigger a provisioning refresh, prompting the AP to attempt to retrieve its configuration from Aruba Central again. This step is often effective in resolving communication or provisioning issues between the AP and the management platform.
NEW QUESTION # 66
A client connects to an Aruba AP in tunnel mode and is assigned to a VLAN based on the client's MAC address.
Which client VLAN assignment was configured?
- A. Static
- B. Dynamic
- C. Native VLAN
- D. Mixed
Answer: B
Explanation:
When a client connects to an Aruba AP in tunnel mode and is assigned to a VLAN based on the client's MAC address, this indicates a Dynamic VLAN assignment. The VLAN is determined dynamically at the time of authentication based on the client's credentials or attributes, such as its MAC address.
NEW QUESTION # 67
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. Verify the AP has a license assigned
- B. Disable and enable activate to trigger provisioning refresh
- C. Disable and enable Aruba Central to trigger configuration refresh
- D. Verify the AP can ping the device on arubanetworks.com
Answer: A
Explanation:
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-8F0E7E8B
NEW QUESTION # 68
What are two characteristics of ClientMatch? (Select two.)
- A. An algorithm to adjust RF patterns.
- B. It is used to locate a client.
- C. It is an Aruba patented technology.
- D. It helps to move sticky clients to another AP.
- E. It optimizes channels of an AP.
Answer: C,D
Explanation:
ClientMatch is an Aruba patented technology that helps to move sticky clients-clients that stay connected to an AP even when there are better APs available-to a more appropriate AP. This technology ensures that clients are always connected to the best available AP, optimizing both the client's performance and the overall performance of the wireless network.
NEW QUESTION # 69
Which authentication does Aruba's Captive Portal use?
- A. Layer 2 authentication
- B. 802.1x authentication
- C. MAC authentication
- D. Layer 3 authentication
Answer: D
Explanation:
Explanation
Aruba's Captive Portal uses Layer 3 authentication, which means that it intercepts the client's HTTP requests and redirects them to a web page where the client can enter their credentials. The credentials are then verified by a RADIUS server or a local database before granting network access.
References:https://www.arubanetworks.com/techdocs/Instant_86_WebHelp/Content/instant-ug/captive-portal/ca
NEW QUESTION # 70
Match the phase of message processing with the Open Systems interconnection (OSl) layer.
Answer:
Explanation:
NEW QUESTION # 71
Which Protocol Data Unit (PDU) represents the data link layer PDU?
- A. PDU2 - Frame
- B. PDU3 - Packet
- C. PDU1 - Signal
- D. PDU4 - Segment
Answer: A
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 as Ethernet, Wi-Fi, etc. Reference: https://www.arubanetworks.com/techdocs/ArubaOS_86_Web_Help/Content/arubaos-solutions/1-overview/networking-basics.htm
NEW QUESTION # 72
Which statement about manual switch provisioning with Aruba Central is correct?
- A. Manual provisioning requires DHCP and requires DNS
- B. Manual provisioning does not require DHCP and does not require DNS
- C. Manual provisioning does not require DHCP and requires DNS
- D. Manual provisioning requires DHCP and does not require DNS
Answer: B
Explanation:
Explanation
Manual provisioning is a method to add switches to Aruba Central without using DHCP or DNS. It requires the user to enter the switch serial number, MAC address, and activation code in Aruba Central, and then configure the switch with the same activation code and Aruba Central's IP address.
References:https://help.central.arubanetworks.com/latest/documentation/online_help/content/devices/switches/pr
NEW QUESTION # 73
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. Conductor USB-C console port
- B. Member 2 switch mgmt port
- C. Conductor mgmt port using SSH
- D. Member 2 RJ-45 console port
Answer: A
Explanation:
Explanation
The option that allows you to access the switch and see the boot options available for OS images and ServiceOS is Conductor USB-C console port. This option provides direct access to ServiceOS, which is an operating system that runs on Aruba CX switches independently of AOS-CX Aruba Operating System CX (AOS-CX) is an operating system that runs on Aruba CX switches . ServiceOS provides low-level functions such as booting, firmware upgrades, password recovery, hardware diagnostics, switch stacking, and system recovery. ServiceOS can be accessed through one of two methods:
Conductor USB-C console port: This method allows you to connect your PC or laptop to the USB-C console port on any member switch in a VSF stack using a USB-C cable. This method provides direct access to ServiceOS without requiring any configuration or authentication on AOS-CX.
AOS-CX CLI: This method allows you to access ServiceOS through AOS-CX CLI using SSH or Telnet protocols. This method requires you to configure an IP address on AOS-CX and authenticate with your username and password.
To see the boot options available for OS images and ServiceOS, you need to access ServiceOS through Conductor USB-C console port and enter boot menu command at ServiceOS prompt.
The other options do not allow you to access the switch and see the boot options available for OS images and ServiceOS because:
Member 2 RJ-45 console port: This option allows you to connect your PC or laptop to the RJ-45 console port on any member switch in a VSF stack using an RJ-45 cable. This option provides direct access to AOS-CX CLI, not ServiceOS.
Member 2 switch mgmt port: This option allows you to connect your PC or laptop to the switch mgmt port on any member switch in a VSF stack using an Ethernet cable. This option provides indirect access to AOS-CX CLI through SSH or Telnet protocols, not ServiceOS.
Conductor mgmt port using SSH: This option allows you to connect your PC or laptop to the mgmt port on any member switch in a VSF stack using an Ethernet cable. This option provides indirect access to AOS-CX CLI through SSH protocol, not ServiceOS.
References:
https://www.arubanetworks.com/techdocs/AOS-CX_10_08/NOSCG/Content/cx-noscg/serviceos/serviceos-overv
https://www.arubanetworks.com/techdocs/AOS-CX_10_08/NOSCG/Content/cx-noscg/serviceos/access-serviceo
https://www.arubanetworks.com/techdocs/AOS-CX_10_08/NOSCG/Content/cx-noscg/serviceos/boot-menu.htm
NEW QUESTION # 74
What is a weakness introduced into the WLAN environment when WPA2-Personal is used for security?
- A. The Pairwise Temporal Key (PTK) is specific to each session
- B. It does not use the WPA 4-Way Handshake
- C. It uses X 509 certificates generated by a Certification Authority
- D. The Pairwise Master Key (PMK) is shared by ail users
Answer: D
Explanation:
The weakness introduced into WLAN environment when WPA2-Personal is used for security is that PMK Pairwise Master Key (PMK) is a key that is derived from PSK Pre-shared Key (PSK) is a key that is shared between two parties before communication begins , which are both fixed. This means that all users who know PSK can generate PMK without any authentication process. This also means that if PSK or PMK are compromised by an attacker, they can be used to decrypt all traffic encrypted with PTK Pairwise Temporal Key (PTK) is a key that is derived from PMK, ANonce Authenticator Nonce (ANonce) is a random number generated by an authenticator (a device that controls access to network resources, such as an AP), SNonce Supplicant Nonce (SNonce) is a random number generated by supplicant (a device that wants to access network resources, such as an STA), AA Authenticator Address (AA) is MAC address of authenticator, SA Supplicant Address (SA) is MAC address of supplicant using Pseudo-Random Function (PRF). PTK consists of four subkeys: KCK Key Confirmation Key (KCK) is used for message integrity check, KEK Key Encryption Key (KEK) is used for encryption key distribution, TK Temporal Key (TK) is used for data encryption, MIC Message Integrity Code (MIC) key. .
The other options are not weaknesses because:
It uses X 509 certificates generated by a Certification Authority: This option is false because WPA2-Personal does not use X 509 certificates or Certification Authority for authentication. X 509 certificates and Certification Authority are used in WPA2-Enterprise mode, which uses 802.1X and EAP Extensible Authentication Protocol (EAP) is an authentication framework that provides support for multiple authentication methods, such as passwords, certificates, tokens, or biometrics. EAP is used in wireless networks and point-to-point connections to provide secure authentication between a supplicant (a device that wants to access the network) and an authentication server (a device that verifies the credentials of the supplicant). for user authentication with a RADIUS server Remote Authentication Dial-In User Service (RADIUS) is a network protocol that provides centralized authentication, authorization, and accounting (AAA) management for users who connect and use a network service .
The Pairwise Temporal Key (PTK) is specific to each session: This option is false because PTK being specific to each session is not a weakness but a strength of WPA2-Personal. PTK being specific to each session means that it changes periodically during communication based on time or number of packets transmitted. This prevents replay attacks and increases security of data encryption.
It does not use the WPA 4-Way Handshake: This option is false because WPA2-Personal does use the WPA 4-Way Handshake for key negotiation. The WPA 4-Way Handshake is a process that allows the station and the access point to exchange ANonce and SNonce and derive PTK from PMK. The WPA 4-Way Handshake also allows the station and the access point to verify each other's PMK and confirm the installation of PTK.
NEW QUESTION # 75
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