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HPE6-A78 echter Test & HPE6-A78 sicherlich-zu-bestehen & HPE6-A78 Testguide

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Die HP HPE6-A78, auch als ACNSA-Prüfung (AUBA Certified Network Security Associate) bekannt, ist eine Zertifizierungsprüfung, mit der das Wissen und die Fähigkeiten des Kandidaten in Netzwerksicherheitskonzepten und -technologien getestet werden sollen. Diese Prüfung richtet sich an Personen, die an einer Karriere in der Netzwerksicherheit interessiert sind und ihr Verständnis der Netzwerksicherheitslösungen von Aruba bestätigen möchten. Die Prüfung deckt eine breite Palette von Themen ab, einschließlich, aber nicht beschränkt auf Firewall -Richtlinien, Intrusion Detection und Prävention, Netzwerkzugriffskontrolle und VPN -Technologien.

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HP Aruba Certified Network Security Associate Exam HPE6-A78 Prüfungsfragen mit Lösungen (Q163-Q168):

163. Frage
How can hackers implement a man-in-the-middle (MITM) attack against a wireless client?

A. The hacker uses a combination of software and hardware to jam the RF band and prevent the client from connecting to any wireless networks.
B. The hacker connects a device to the same wireless network as the client and responds to the client's ARP requests with the hacker device's MAC address.
C. The hacker runs an NMap scan on the wireless client to find its MAC and IP address. The hacker then connects to another network and spoofs those addresses.
D. The hacker uses spear-phishing to probe for the IP addresses that the client is attempting to reach. The hacker device then spoofs those IP addresses.

Antwort: B

Begründung:
A common method for hackers to perform a man-in-the-middle (MITM) attack on a wireless network is by ARP poisoning. The attacker connects to the same network as the victim and sends false ARP messages over the network. This causes the victim's device to send traffic to the attacker's machine instead of the legitimate destination, allowing the attacker to intercept the traffic.

164. Frage
Refer to the exhibit.

How can you use the thumbprint?

A. install this thumbprint on management stations the stations can then authenticate with the thumbprint instead of admins having to enter usernames and passwords.
B. When you first connect to the switch with SSH from a management station, make sure that the thumbprint matches to ensure that a man-in-t he-mid die (MITM) attack is not occurring
C. Install this thumbprint on management stations to use as two-factor authentication along with manager usernames and passwords, this will ensure managers connect from valid stations
D. Copy the thumbprint to other Aruba switches to establish a consistent SSH Key for all switches this will enable managers to connect to the switches securely with less effort

Antwort: B

165. Frage
A company with 439 employees wants to deploy an open WLAN for guests. The company wants the experience to be as follows:
* Guests select the WLAN and connect without having to enter a password.
* Guests are redirected to a welcome web page and log in.
The company also wants to provide encryption for the network for devices that are capable. Which security options should you implement for the WLAN?

A. WPA3-Personal and MAC-Auth
B. Opportunistic Wireless Encryption (OWE) and WPA3-Personal
C. Captive portal and WPA3-Personal
D. Captive portal and Opportunistic Wireless Encryption (OWE) in transition mode

Antwort: D

Begründung:
Opportunistic Wireless Encryption (OWE) provides encrypted communications on open Wi-Fi networks, which addresses the company's desire to have encryption without requiring a password for guests. It can work in transition mode, which allows for the use of OWE by clients that support it, while still permitting legacy clients to connect without encryption. Combining this with a captive portal enables the desired welcome web page for guests to log in.

166. Frage
What is one of the roles of the network access server (NAS) in the AAA framewonx?

A. It authenticates legitimate users and uses policies to determine which resources each user is allowed to access.
B. It negotiates with each user's device to determine which EAP method is used for authentication
C. It enforces access to network services and sends accounting information to the AAA server
D. It determines which resources authenticated users are allowed to access and monitors each users session

Antwort: C

Begründung:
In the AAA (Authentication, Authorization, and Accounting) framework, the role of the Network Access Server (NAS) is to act as a gateway that enforces access to network services and sends accounting information to the AAA server. The NAS initially requests authentication information from the user and then passes that information to the AAA server. It also enforces the access policies as provided by the AAA server after authentication and provides accounting data to the AAA server based on user activity.
References:
Technical literature on AAA protocols which often includes a description of the roles and responsibilities of a Network Access Server.
Network security resources that discuss the NAS function within the AAA framework.

167. Frage
You are deploying a new wireless solution with an HPE Aruba Networking Mobility Master (MM), Mobility Controllers (MCs), and campus APs (CAPs). The solution will include a WLAN that uses Tunnel for the forwarding mode and WPA3-Enterprise for the security option.
You have decided to assign the WLAN to VLAN 301, a new VLAN. A pair of core routing switches will act as the default router for wireless user traffic.
Which links need to carry VLAN 301?

A. Only links between MC ports and the core routing switches
B. Only links on the path between APs and the MC
C. Only links on the path between APs and the core routing switches
D. All links in the campus LAN to ensure seamless roaming

Antwort: A

Begründung:
In an HPE Aruba Networking AOS-8 architecture with a Mobility Master (MM), Mobility Controllers (MCs), and campus APs (CAPs), the WLAN is configured to use Tunnel forwarding mode and WPA3-Enterprise security. In Tunnel mode, all user traffic from the APs is encapsulated in a GRE tunnel and sent to the MC, which then forwards the traffic to the appropriate VLAN. The WLAN is assigned to VLAN 301, and the core routing switches act as the default router for wireless user traffic.
Tunnel Forwarding Mode: In this mode, the AP does not directly place user traffic onto the wired network. Instead, the AP tunnels all user traffic to the MC over a GRE tunnel. The MC then decapsulates the traffic and places it onto the wired network in the specified VLAN (VLAN 301 in this case). This means the VLAN tagging for user traffic occurs at the MC, not at the AP.
VLAN 301 Assignment: Since the WLAN is assigned to VLAN 301, the MC will tag user traffic with VLAN 301 when forwarding it to the wired network. The core routing switches, acting as the default router, need to receive this traffic on VLAN 301 to route it appropriately.
Therefore, VLAN 301 needs to be carried on the links between the MC ports and the core routing switches, as this is where the MC forwards the user traffic after decapsulating it from the GRE tunnel.
Option A, "Only links on the path between APs and the core routing switches," is incorrect because, in Tunnel mode, the APs do not directly forward user traffic to the wired network. The traffic is tunneled to the MC, so the links between the APs and the core switches do not need to carry VLAN 301 for user traffic (though they may carry other VLANs for AP management).
Option B, "Only links on the path between APs and the MC," is incorrect for the same reason. The GRE tunnel between the AP and MC carries encapsulated user traffic, and VLAN 301 tagging occurs at the MC, not on the AP-to-MC link.
Option C, "All links in the campus LAN to ensure seamless roaming," is incorrect because VLAN 301 only needs to be present where the MC forwards user traffic to the wired network (i.e., between the MC and the core switches). Extending VLAN 301 to all links is unnecessary and could introduce security or scalability issues.
Option D, "Only links between MC ports and the core routing switches," is correct because the MC places user traffic onto VLAN 301 and forwards it to the core switches, which act as the default router.
The HPE Aruba Networking AOS-8 8.11 User Guide states:
"In Tunnel forwarding mode, the AP encapsulates all user traffic in a GRE tunnel and sends it to the Mobility Controller (MC). The MC decapsulates the traffic and forwards it to the wired network on the VLAN assigned to the WLAN. For example, if the WLAN is assigned to VLAN 301, the MC tags the user traffic with VLAN 301 and sends it out of its wired interface to the upstream switch. Therefore, the VLAN must be configured on the links between the MC and the upstream switch or router that acts as the default gateway for the VLAN." (Page 275, Tunnel Forwarding Mode Section) Additionally, the HPE Aruba Networking Wireless LAN Design Guide notes:
"When using Tunnel mode, the VLAN assigned to the WLAN must be carried on the wired links between the Mobility Controller and the default router for the VLAN. The links between the APs and the MC do not need to carry the user VLAN, as all traffic is tunneled to the MC, which handles VLAN tagging." (Page 52, VLAN Configuration Section)
:
HPE Aruba Networking AOS-8 8.11 User Guide, Tunnel Forwarding Mode Section, Page 275.
HPE Aruba Networking Wireless LAN Design Guide, VLAN Configuration Section, Page 52.

168. Frage
......

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