質問 1:A network administrator is configuring firewall rules to lock down the network from outside attacks. Which of the following should the administrator configure to create the most strict set of rules?
A. Allow List
B. URL filtering
C. Network security group
D. File blocking
正解:A
解説: (Topexam メンバーにのみ表示されます)
質問 2:A company provides an API that runs on the public cloud for its customers. A fixed number of VMs host the APIs. During peak hours, the company notices a spike in usage that results in network communication speeds slowing down for all customers. The management team has decided that access for all customers should be fair and accessible at all times. Which of the following is the most cost-effective way to address this issue?
A. Enable throttling on APIs.
B. Increase the MTU on the VMs.
C. Increase the number of VMs running APIs.
D. Use an allow list for customers using APIs.
正解:A
質問 3:Application development team users are having issues accessing the database server within the cloud environment. All other users are able to use SSH to access this server without issues. The network architect reviews the following information to troubleshoot the issue:

Traceroute output from an application developer's machine with the assigned IP 192.168.2.7:

* Application development gateway: 192.168.2.1/24
* Server segment gateway: 192.168.1.1/24
* Database server: 192.168.1.9
* Application developer machine IP: 192.168.2.7
* Traceroute ends at hop 4: 192.168.4.1 (server segment firewall), then times out Which of the following is the most likely cause of the issue?
A. The server segment gateway is having bandwidth issues.
B. The core firewall is blocking the traffic.
C. The server segment firewall is dropping the traffic.
D. Network security groups do not have the correct outbound rule configured.
正解:C
解説: (Topexam メンバーにのみ表示されます)
質問 4:A company is expanding its network and needs to ensure improved stability and reliability. The proposed solution must fulfill the following requirements:
* Detection and prevention of network loops
* Automatic configuration of ports
* Standard protocol (not proprietary)
Which of the following protocols is the most appropriate?
A. SIP
B. RTSP
C. BGP
D. STP
正解:D
解説: (Topexam メンバーにのみ表示されます)
質問 5:A company hosts its applications on the cloud and is expanding its business to Europe. Thecompany must comply with General Data Protection Regulation (GDPR) to limit European customers' access to data. The network team configures the firewall rules but finds that some customers in the United States can access data hosted in Europe. Which of the following is the best option for the network team to configure?
A. SASE
B. CDN
C. Network security groups
D. Geofencing rule
正解:D
解説: (Topexam メンバーにのみ表示されます)
質問 6:A network engineer adds a large group of servers to a screened subnet and configures them to use IPv6 only.
The servers need to seamlessly communicate with IPv4 servers on the internal networks. Which of the following actions is the best way to achieve this goal?
A. Change the servers in the screened subnet from IPv6 addresses to IPv4 addresses.
B. Add IPv6 to the network cards on the internal servers so they can communicate with the screened subnet.
C. Set up a bridge between the screened subnet and internal networks to handle the conversion.
D. Implement NAT64 on the router between the screened subnet and the internal network.
正解:D
解説: (Topexam メンバーにのみ表示されます)
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CompTIA CNX-001 認定試験の出題範囲:
トピック | 出題範囲 |
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トピック 1 | - Network Troubleshooting: This section of the exam measures the skills of Network Support Engineers and covers diagnosing and resolving connectivity and performance issues across various network layers. It focuses on identifying root causes, using diagnostic tools, and applying systematic troubleshooting methodologies. The goal is to ensure that professionals can minimize downtime, restore service quickly, and prevent recurring problems by maintaining a resilient and stable network environment.
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トピック 2 | - Network Security: This section of the exam measures the skills of Security Engineers and covers core practices for protecting network infrastructure. It includes applying firewall rules, implementing access control measures, and designing secure segmentation strategies. The content emphasizes threat mitigation techniques, secure configuration of networking devices, and adherence to compliance frameworks, preparing professionals to safeguard both internal and external network assets effectively.
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トピック 3 | - Network Operations, Monitoring, and Performance: This section of the exam measures skills of Network Operations Specialists and covers day-to-day operational management of network environments. It involves configuring monitoring tools, analyzing performance data, and responding to alerts. Candidates are evaluated on their ability to maintain network health, optimize throughput, and ensure consistent uptime by applying best practices for proactive performance tuning and operations management.
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トピック 4 | - Network Architecture Design: This section of the exam measures the skills of Network Architects and covers the ability to design scalable, secure, and efficient network architectures. It focuses on understanding design principles, selecting appropriate network components, and aligning architecture decisions with organizational needs. Candidates are expected to demonstrate a solid grasp of topology planning, high-availability configurations, and integration of cloud and on-premise systems to ensure reliability and performance.
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参照:https://www.comptia.org/certifications/cloudnetx