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HP HPE7-A02試験は、ネットワークセキュリティの概念とテクノロジーの専門知識を検証したいITプロフェッショナル向けに設計された認定テストです。具体的には、この試験は、Aruba認定ネットワークセキュリティの専門家になりたい人を対象としており、Aruba製品とソリューションを使用して安全なワイヤレスおよび有線ネットワークを設計、実装、および管理する能力を実証しています。

HP Aruba Certified Network Security Professional Exam 認定 HPE7-A02 試験問題 (Q105-Q110):

質問 # 105
You manage AOS-10 APs with HPE Aruba Networking Central. A role is configured on these APs with these rules (in order):
Allow UDP on port 67 to any destination
Allow any to network 10.1.4.0/23
Deny any to network 10.1.0.0/18 + log
Deny any to network 10.0.0.0/8
Allow any to any destination
You add this new rule immediately before rule 4:
Deny SSH to network 10.1.0.0/21 + denylist
After this change, what happens when a client assigned to this role sends SSH traffic to
10.1.7.12?

A. The traffic is permitted
B. The traffic is dropped, and the client is denylisted
C. The traffic is dropped (without any logging or further action against the client)
D. The traffic is dropped and logged

正解：D

解説：
Aruba firewall / role access rules are evaluated top-down, first-match wins; once a rule matches, no later rules are processed.
Let's walk the packet through the ordered rules:
The traffic is SSH, not UDP/67 rule 1 does not match.
Destination 10.1.7.12 is not in 10.1.4.0/23 rule 2 does not match.
10.1.7.12 is in 10.1.0.0/18 rule 3 matches first.
Rule 3 action: Deny any to 10.1.0.0/18 + log.
Because rule 3 already matched, the later "Deny SSH to 10.1.0.0/21 + denylist" rule is never evaluated, so no denylist is applied.
Aruba documentation for session ACLs and firewall rules explicitly states that rules are evaluated from top to bottom and "the first match terminates further evaluation," and logging/denylist flags on a rule are applied only when that specific rule matches.

質問 # 106
The following firewall role is configured on HPE Aruba Networking Central-managed APs:
wlan access-rule employees
index 3
rule any any match 17 67 67 permit
rule any any match any 53 53 permit
rule 10 5 5.0 255.255 255.0 match any any any deny
rule 10.5 0.0 255.255 0.0 match 6 80 80 permit
rule 10.5 0.0 255.255.0.0 match 6 443 443 permit
rule 10.5.0.0 255.255.0.0 match any any any deny
rule any any match any any any permit
A client has authenticated and been assigned to the employees role. The client has IP address 10.2.2.2. Which correctly describes behavior in this policy?

A. Traffic from 10.5.3.3 in an active HTTPS session between 10.2.2.2 and 10.5.3.3 is permitted.
B. HTTPS traffic from 10.2.2.2 to 203.0.113.12 is denied.
C. Traffic from 198.51.100.12 in an active HTTP session between 10.2.2.2 and 198.51.100.12 is denied.
D. HTTPS traffic from 10.2.2.2 to 10.5.5.5 is denied.

正解：D

解説：
* Policy Analysis:
* Rule Evaluation Order: Rules are applied in sequential order until a match is found.
* Key Points:
* DHCP traffic (UDP 67) is permitted.
* DNS traffic (UDP 53) is permitted.
* Traffic to 10.5.5.0/24 is explicitly denied.
* HTTP traffic (TCP 80) is allowed only to 10.5.0.0/16.
* HTTPS traffic (TCP 443) is allowed only to 10.5.0.0/16.
* All other traffic to 10.5.0.0/16 is denied.
* Any other traffic not matching the above rules is permitted.
* Scenario Analysis:
* The client IP 10.2.2.2 does not fall within the 10.5.0.0/16 subnet.
* Rule 3 denies traffic to 10.5.5.5, regardless of the source IP.
* Option A: Correct. HTTPS traffic to 10.5.5.5 is explicitly denied by Rule 3.
* Option B: Incorrect. Traffic to 203.0.113.12 is permitted due to the final "permit any" rule.
* Option C: Incorrect. The client (10.2.2.2) does not belong to the subnet 10.5.0.0/16, so traffic to
10.5.3.3 is not permitted by Rule 5.
* Option D: Incorrect. HTTP traffic to 198.51.100.12 is allowed by the last "permit any" rule.

質問 # 107
A company has HPE Aruba Networking Central-managed APs. The company wants to block all clients connected through the APs from using YouTube.
Which steps should you take?

A. Enable WebCC on all client firewall roles. Then, create WebCC category rules that deny suspicious URLs.
B. Deploy gateways and have the APs tunnel traffic to the gateways. Then, enable the gateway IDS/IPS engine.
C. Enable DPI. Then, create application rules to deny YouTube on the firewall roles.
D. Enable Client IPS at the "custom" level, and then specify the check for YouTube.

正解：C

解説：
To block all clients connected through HPE Aruba Networking Central-managed APs from accessing YouTube, you should enable DPI (Deep Packet Inspection) and then create application rules to deny YouTube on the firewall roles. DPI allows the network to inspect and classify traffic based on application signatures, making it possible to enforce application-specific policies. By creating rules that specifically block YouTube traffic, you can effectively prevent clients from accessing the service.

質問 # 108
Refer to the exhibit.

You are reviewing packets in Wireshark. The capture shows traffic from source IP address 10.1.14.10 to several destinations in the 10.1.15.0/24 network. The packets use TCP flags FIN, PSH, and URG together.
What can you interpret from the packets that you see here?

A. 10.1.14.10 might be running a TCP port scan, but it may simply be trying to open TCP sessions with several destinations.
B. 10.1.14.10 is launching a denial-of-service attack against Windows machines in 10.1.15.0/24.
C. 10.1.14.10 is showing some signs of launching a DoS attack, but might simply be misconfigured.
D. 10.1.14.10 is almost certainly running a TCP port scan because this type of packet does not legitimately exist.

正解：D

解説：
The packets show TCP traffic with the FIN, PSH, and URG flags set together. This combination is commonly associated with an Xmas scan , a TCP port scanning technique used to probe target systems and identify open, closed, or filtered ports. A normal TCP session establishment uses a SYN packet first, not FIN
/PSH/URG. Because the source host 10.1.14.10 is sending this unusual TCP flag combination to multiple destinations and ports, the behavior strongly indicates reconnaissance or scanning activity rather than legitimate application traffic. It is not best classified as a DoS attack because the exhibit shows probing traffic, not traffic volume or exhaustion behavior. The strongest interpretation is that 10.1.14.10 is almost certainly running a TCP port scan .

質問 # 109
A company uses HPE Aruba Networking ClearPass Policy Manager (CPPM) as a TACACS+ server to authenticate managers on its AOS-CX switches. The company wants CPPM to control which commands managers are allowed to enter.
Which service must you add to the managers' TACACS+ enforcement profile?

A. Shell
B. Cpass:HTTP
C. ARAP
D. Aruba:Common

正解：A

解説：
To control which commands managers are allowed to execute on AOS-CX switches using ClearPass Policy Manager (CPPM) as a TACACS+ server, you must configure the Shell service in the TACACS+ enforcement profile. The Shell service provides the ability to define granular access controls for commands. It supports policy-driven command authorization, which is essential in controlling administrative tasks based on roles.
References
* Official HPE Aruba ClearPass documentation on TACACS+ integration and command authorization.
* Industry best practices for AAA (Authentication, Authorization, and Accounting) configuration in network security architectures.

質問 # 110
......

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