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CompTIA N10-009 Exam Syllabus Topics:

SectionObjectives
Network Operations- Monitoring and optimization
- Network documentation and diagrams
- Business continuity and disaster recovery
Networking Concepts- Ports, protocols, and services
- IPv4 and IPv6 addressing
- Network topologies and types (LAN, WAN, WLAN)
- OSI model and TCP/IP model
Network Security- Network hardening techniques
- Security concepts and threats
- Access control and authentication
Network Troubleshooting- Troubleshooting methodology
- Tools and diagnostic techniques
- Common network issues
Network Implementation- Wireless networking
- Routing technologies
- Network storage and virtualization
- Switching technologies

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最新的 CompTIA Network+ N10-009 免費考試真題 (Q225-Q230):

問題 #225
After a recent merger, a large number of alerts are coming in regarding extremely high utilization. Which of the following should be generated to help inform new alerting requirements?

答案：A

解題說明：
A baseline establishes normal performance levels for network utilization, latency, jitter, and other metrics. After a merger, traffic patterns change, so a new baseline is needed to recalibrate monitoring thresholds and avoid excessive false alerts.
A . SLA defines performance agreements with customers but doesn't adjust alerting.
B . Network diagrams show topology, not traffic norms.
D . Heat maps show wireless coverage, not utilization baselines.
Reference (CompTIA Network+ N10-009):


問題 #226
Which of the following is the correct order of components in a bottom-up approach for the three-tier hierarchical model?

答案：B

解題說明：
The three-tier hierarchical model in network design consists of three layers: access, distribution, and core. The access layer is where devices like PCs and printers connect to the network. The distribution layer aggregates the data received from the access layer switches before it is transmitted to the core layer, which is responsible for high-speed data transfer and routing. This approach improves scalability and performance in larger networks. References: CompTIA Network+ Exam Objectives and official study guides.


問題 #227
Which of the following diagrams would most likely include specifications about fiber connector types?

答案：D


問題 #228
Which of the following best describes the purpose of a UPS and PDU in a network installation?

答案：A

解題說明：
A UPS provides clean, backup power, and a PDU distributes that power to multiple devices.
Together, they ensure network equipment in locations such as IDFs receives stable and reliable electrical power.


問題 #229
A network architect is implementing an off-premises computing facility and needs to ensure that operations will not be impacted by major outages. Which of the following should the architect consider?

答案：B

解題說明：
Ahot siteis a fully operational backup facility with hardware, network, and data synchronization already in place. It allows forimmediate failoverin the event of a disaster, minimizing downtime.
* B. DCI (Data Center Interconnect)connects data centers but doesn't guarantee availability unless built redundantly.
* C. Direct Connectrefers to a private link to cloud providers, not disaster recovery.
* D. Active-passivecan help with failover but may involve delay unless combined with hot site principles.
#Reference:
CompTIA Network+ N10-009 Official Objectives: 4.4 - Summarize business continuity and disaster recovery concepts.


問題 #230
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