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HPE6-A85 certification exam is ideal for individuals who want to demonstrate their expertise in designing, deploying, and maintaining advanced network solutions in a campus environment. HPE6-A85 Exam covers a wide range of topics, including network fundamentals, wireless LANs, security, and troubleshooting. Candidates are required to demonstrate their competence in configuring and managing networks using Aruba technologies, including ArubaOS switches, ClearPass Policy Manager, and AirWave.

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HP Aruba Campus Access Associate Exam Sample Questions (Q41-Q46):

NEW QUESTION # 41
The noise floor measures 000000001 milliwatts, and the receiver's signal strength is -65dBm. What is the Signal to Noise Ratio?

A. 25 dBm
B. 35 dBm
C. 15 dBm
D. 45 dBm

Answer: A

Explanation:
Explanation
The signal to noise ratio (SNR) is a measure that compares the level of a desired signal to the level of background noise. SNR is defined as the ratio of signal power to the noise power, often expressed in decibels (dB). A high SNR means that the signal is clear and easy to detect or interpret, while a low SNR means that the signal is corrupted or obscured by noise and may be difficult to distinguish or recover3. To calculate the SNR in dB, we can use the following formula:
SNR (dB) = Signal power (dBm) - Noise power (dBm)
In this question, we are given that the noise floor measures -90 dBm (0.000000001 milliwatts) and the receiver's signal strength is -65 dBm (0.000316 milliwatts). Therefore, we can plug these values into the formula and get:
SNR (dB) = -65 dBm - (-90 dBm) SNR (dB) = -65 dBm + 90 dBm SNR (dB) = 25 dBm Therefore, the correct answer is that the SNR is 25 dBm.
References: 3 https://en.wikipedia.org/wiki/Signal-to-noise_ratio

NEW QUESTION # 42
Two independent ArubaOS-CX 6300 switches with Spanning Tree (STP) settings are interconnected with two cables between ports 1/1/1 and 1/1/2 All four ports have "no shutdown" and "no routing" commands How will STP forward or discard traffic on these ports?

A. The switch with the lower MAC address will forward on both ports, while the switch with the higher MAC address will forward on both ports
B. The switch with the lower MAC address will forward on both ports, while the switch with the higher MAC address will discard on one port
C. The switch with the lower MAC address will discard on one port, while the switch with the higher MAC address will discard on one port
D. The switch with the lower MAC address will discard on one port, while the switch with the higher MAC address will forward on both ports

Answer: C

Explanation:
Explanation
The way that STP Spanning Tree Protocol. STP is a network protocol that ensures a loop-free topology for any bridged Ethernet local area network by preventing redundant paths between switches or bridges from creating loops that cause broadcast storms, multiple frame transmission, and MAC table instability. STP creates a logical tree structure that spans all of the switches in an extended network and blocks any redundant links that are not part of the tree from forwarding data packets . will forward or discard traffic on these ports is as follows:
STP will elect a root bridge among the two switches based on their bridge IDs, which are composed of a priority value and a MAC address. The switch with the lower bridge ID will become the root bridge and will forward traffic on all its ports.
STP will assign a role and a state to each port on both switches based on their port IDs, which are composed of a priority value and a port number. The port with the lower port ID will become the designated port and will forward traffic, while the port with the higher port ID will become the alternate port and will discard traffic.
In this scenario, since both switches have two cables connected between ports 1/1/1 and 1/1/2, there will be two possible paths between them, creating a loop. To prevent this loop, STP will block one of these paths by discarding traffic on one of the ports on each switch.
Assuming that both switches have the same priority value (default is 32768), the switch with the lower MAC address will have the lower bridge ID and will become the root bridge. The root bridge will forward traffic on both ports 1/1/1 and 1/1/2.
Assuming that both ports have the same priority value (default is 128), port 1/1/1 will have a lower port ID than port 1/1/2 on both switches because it has a lower port number. Port 1/1/1 will become the designated port and will forward traffic, while port 1/1/2 will become the alternate port and will discard traffic.
Therefore, the switch with the lower MAC address will discard traffic on one port (port 1/1/2), while the switch with the higher MAC address will also discard traffic on one port (port 1/1/2).
References: 3 https://en.wikipedia.org/wiki/Spanning_Tree_Protocol

NEW QUESTION # 43
Where can you set the client's broadcast domain when configuring an ArubaOS firewall role?

A. Access Control Rules
B. Role-based VLAN override
C. WLAN Settings
D. Bandwidth Controls

Answer: B

Explanation:
The client's broadcast domain in ArubaOS can be set with role-based VLAN overrides within the firewall role settings. This allows for dynamic assignment of VLANs to users based on their role, which determines their level of network access, including their broadcast domain.

NEW QUESTION # 44
What is the ideal Aruba access switch for a cost-effective connection to 200-380 clients, printers and APs per distribution rack?

A. Aruba CX 6400
B. Aruba CX 6200
C. Aruba CX 6000
D. Aruba CX 6300

Answer: D

Explanation:
The Aruba CX 6300 Series is an ideal access switch for medium to high-density client environments, offering a range of models that can accommodate various port densities and types. For a distribution rack supporting 200-380 clients, printers, and APs, the CX 6300 provides the necessary port density and performance capabilities, including high-speed uplinks, support for Class 4 PoE (PoE+), and stacking capabilities. This series is cost-effective and designed for enterprises requiring reliable connectivity and consistent performance. The other options, such as the CX 6400, CX 6200, and CX 6000, may either be over-specified and more expensive (CX 6400), not offer the necessary port density (CX 6200), or not exist in the product line (CX 6000).

NEW QUESTION # 45
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 uses X 509 certificates generated by a Certification Authority
C. It does not use the WPA 4-Way Handshake
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 # 46
......

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