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| Section | Objectives |
|---|---|
| Network Troubleshooting | - Troubleshooting methodology - Common network issues - Tools and diagnostic techniques |
| Networking Concepts | - Ports, protocols, and services - Network topologies and types (LAN, WAN, WLAN) - IPv4 and IPv6 addressing - OSI model and TCP/IP model |
| Network Security | - Access control and authentication - Network hardening techniques - Security concepts and threats |
| Network Implementation | - Wireless networking - Switching technologies - Routing technologies - Network storage and virtualization |
| Network Operations | - Business continuity and disaster recovery - Network documentation and diagrams - Monitoring and optimization |
This N10-009 exam prep material has been prepared under the expert surveillance of 90,000 highly experienced IT professionals worldwide. This updated and highly reliable ExamDiscuss product consists of 3 prep formats: CompTIA Network+ Certification Exam (N10-009) dumps PDF, desktop practice exam software, and browser-based mock exam. Each format specializes in a specific study style and offers unique benefits, each of which is crucial to good CompTIA Network+ Certification Exam (N10-009) exam preparation. The specs of each CompTIA N10-009 exam questions format are listed below, you may select any of them as per your requirements.
NEW QUESTION # 373
Which of the following is the best reason to create a golden configuration?
Answer: D
Explanation:
A golden configuration is a baseline configuration file that contains approved, standardized settings for network devices. The purpose is to ensure configuration consistency across the environment. This prevents misconfigurations, supports compliance with organizational or regulatory standards, and accelerates recovery if a device needs reconfiguration.
B). Reducing file size is not the goal of golden configs.
C). Golden configs can include security settings, but they are not inherently encrypted - they are simply a baseline template.
D). While configs can be backed up, golden configs are more about standardization, not device-specific backups.
By maintaining a golden configuration, administrators can quickly detect unauthorized changes (by comparing running configs against the golden file) and enforce consistency across devices. This improves network stability, reduces troubleshooting complexity, and enhances security posture.
References (CompTIA Network+ N10-009):
Domain: Network Operations - Configuration management, golden images/configurations.
NEW QUESTION # 374
A user's VoIP phone and workstation are connected through an inline cable. The user reports that the VoIP phone intermittently reboots, but the workstation is not having any network-related issues Which of the following is the most likely cause?
Answer: B
Explanation:
Power over Ethernet (PoE) delivers power to devices such as VoIP phones over the same cables used for data.
If the total power requirement of connected devices exceeds the PoE power budget of the switch or injector, some devices may not receive adequate power and could intermittently reboot. This issue would not affect the workstation, which is likely receiving power separately. References: CompTIA Network+ Exam Objectives and official study guides.
NEW QUESTION # 375
Ten new laptops are added to an existing network, and they can only communicate with one another. An administrator reviews documentation and sees the following:
Subnet: 10.8.100.1/24
Scope: 10.8.100.50 - 10.8.100.150
Reservation: 10.8.100.151 - 10.8.100.175
A technician scans the network and receives the following results:
IP addresses used: 10.8.100.45 - 10.8.100.175
Which of the following should be done to ensure connectivity on all laptops?
Answer: A
Explanation:
The correct answer is D: Increase the scope to 10.8.100.50 - 10.8.100.175. According to the CompTIA Network+ N10-009 objectives, proper DHCP scope configuration is essential to ensure all hosts can obtain valid IP addresses and communicate beyond their local segment.
In this scenario, the DHCP scope is configured for 10.8.100.50 through 10.8.100.150, while a reservation range exists from 10.8.100.151 through 10.8.100.175. The network scan shows that IP addresses up to
10.8.100.175 are already in use. This indicates that some devices are either statically assigned addresses outside the active scope or are failing to receive valid DHCP leases, causing the new laptops to communicate only with each other-often a sign of APIPA or improper addressing.
To ensure full connectivity, the DHCP scope must be expanded to include the entire range of addresses that are actively in use, including the reserved addresses. Option D correctly extends the scope to 10.8.100.175 without overlapping lower addresses that may be statically assigned or intentionally excluded.
The Network+ objectives emphasize avoiding address conflicts and ensuring DHCP scopes align with real- world network usage. Expanding the scope to include all valid addresses ensures that all laptops can obtain proper IP configuration, default gateway information, and full network connectivity.
NEW QUESTION # 376
A network administrator deploys new network hardware. While configuring the network monitoring server, the server could authenticate but could not determine the specific status of the hardware. Which of the following would the administrator most likely do to resolve the issue?
Answer: A
Explanation:
MIBs (Management Information Bases) define the variables and objects that SNMP can query on a device. If the monitoring server authenticates but cannot interpret the data, it likely lacks the correct MIB for that vendor or model. Importing the proper MIB allows the monitoring server to correctly display device status and metrics.
A). Using a public community string is insecure and not related to missing MIBs.
C). Switchport analyzer (SPAN) captures traffic for packet analysis, not SNMP monitoring.
D). SNMPv3 privacy adds encryption but doesn't fix missing MIB interpretation.
References (CompTIA Network+ N10-009):
Domain: Network Operations - SNMP, MIBs, network monitoring systems.
NEW QUESTION # 377
You are tasked with verifying the following requirements are met in order to ensure network security.
Requirements:
Datacenter
Ensure network is subnetted to allow all devices to communicate properly while minimizing address space usage Provide a dedicated server to resolve IP addresses and hostnames correctly and handle port 53 traffic Building A Ensure network is subnetted to allow all devices to communicate properly while minimizing address space usage Provide devices to support 5 additional different office users Add an additional mobile user Replace the Telnet server with a more secure solution Screened subnet Ensure network is subnetted to allow all devices to communicate properly while minimizing address space usage Provide a server to handle external 80/443 traffic Provide a server to handle port 20/21 traffic INSTRUCTIONS Drag and drop objects onto the appropriate locations. Objects can be used multiple times and not all placeholders need to be filled.
Available objects are located in both the Servers and Devices tabs of the Drag & Drop menu.
If at any time you would like to bring back the initial state of the simulation, please click the Reset All button.
Answer:
Explanation:
See explanation below.
Explanation:
Screened Subnet devices - Web server, FTP server
Building A devices - SSH server top left, workstations on all 5 on the right, laptop on bottom left DataCenter devices - DNS server.
NEW QUESTION # 378
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