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CompTIA N10-009 Exam Syllabus Topics:

Topic	Details
Topic 1	Network Operations: For IT operations staff and network operations center (NOC) technicians, this part of the exam covers the purpose of organizational processes and procedures and use of network monitoring technologies.
Topic 2	Cloud concepts and connectivity options, and Common networking ports.
Topic 3	OSI reference model concepts, Comparison of networking appliances, applications, and functions
Topic 4	Network Security: This section of the exam for cybersecurity specialists and network security administrators covers the importance of basic network security concepts, Various types of attacks and their impact on the network, application of network security features, defense techniques, and solutions.\| Network Troubleshooting: For help desk technicians and network support specialists, this section covers troubleshooting methodology, troubleshooting common cabling and physical interface issues, troubleshooting common issues with network services, and use of appropriate tools or protocols to solve networking issues.

CompTIA Network+ Certification Exam Sample Questions (Q118-Q123):

NEW QUESTION # 118
Which of the following is the correct order of components in a bottom-up approach for the three-tier hierarchical model?

A. Access, core, and roof
B. Core, root, and distribution
C. Core, spine, and leaf
D. Access, distribution, and core

Answer: D

Explanation:
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.

NEW QUESTION # 119
A technician needs to set up a wireless connection that utilizes MIMO on non-overlapping channels.
Which of the following would be the best choice?

A. 802.11n
B. 802.11g
C. 802.11a
D. 802.11b

Answer: A

Explanation:
The 802.11n standard supports MIMO (Multiple Input Multiple Output), which allows multiple antennas to increase data throughput and improve reliability. Additionally, it uses non-overlapping channels in the 5 GHz band (and optionally the 2.4 GHz band), making it a good choice for high- speed, interference-resistant wireless connections.

NEW QUESTION # 120
Which of the following panels would be best to facilitate a central termination point for all network cables on the floor of a company building?

A. MDF
B. Patch
C. Rack
D. UPS

Answer: B

Explanation:
A patch panel is the best choice to facilitate a central termination point for all network cables on the floor of a company building. Patch panels are used to manage and organize multiple network cables, providing a central point where all cables converge. This setup allows for easy management, troubleshooting, and reconfiguration of network connections. The other options, such as UPS (Uninterruptible Power Supply), MDF (Main Distribution Frame), and rack, serve different purposes and are not specifically designed for the central termination of network cables.

NEW QUESTION # 121
Asmall businessis deploying new phones, and some of the phones havefull HD videoconferencing features.
TheChief Information Officer (CIO)is concerned that the network might not be able to handle the traffic if it reaches a certain threshold. Which of the following can the network engineer configure to help ease these concerns?

A. Full duplex on all user ports
B. An IP helper to direct VoIP traffic
C. A VLAN with 100Mbps speed limits
D. A smaller subnet mask

Answer: A

Explanation:
Comprehensive and Detailed Explanation:
Full duplex modeallows devices tosend and receive data simultaneously, improving network performance andreducing congestion, which iscritical for VoIP and video conferencing.
Breakdown of Options:
* A. A VLAN with 100Mbps speed limits- VLANssegment trafficbutlimiting speedsto100Mbpswould worsenvideo performance.
* B. An IP helper to direct VoIP traffic-IP helperis used forDHCP relay,notfor VoIP optimization.
* C. A smaller subnet mask- A smaller subnet reducesIP address availabilitybut doesnot improve network performance.
* D. Full duplex on all user ports-Correct answer.Full duplex eliminates collisions, allowingbetter VoIP and video performance.

NEW QUESTION # 122
Which of the following connectors provides console access to a switch?

A. SFP
B. BNC
C. RJ45
D. ST

Answer: C

Explanation:
Console Access:
Purpose: Console access to a switch allows administrators to configure and manage the device directly. This is typically done using a terminal emulator program on a computer.
RJ45 Connector:
Common Use: The RJ45 connector is widely used for Ethernet cables and also for console connections to network devices like switches and routers.
Console Cables: Console cables often have an RJ45 connector on one end (for the switch) and a DB9 serial connector on the other end (for the computer).
Comparison with Other Connectors:
ST (Straight Tip): A fiber optic connector used for networking, not for console access.
BNC (Bayonet Neill-Concelman): A connector used for coaxial cable, typically in older network setups and not for console access.
SFP (Small Form-factor Pluggable): A modular transceiver used for network interfaces, not for console access.
Practical Application:
Connection Process: Connect the RJ45 end of the console cable to the console port of the switch. Connect the DB9 end (or USB via adapter) to the computer. Use a terminal emulator (e.g., PuTTY, Tera Term) to access the switch's command-line interface (CLI).
Reference:
CompTIA Network+ study materials on network devices and connectors.

NEW QUESTION # 123
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Reliable N10-009 Learning Materials | 100% N10-009 Exam Coverage

Free PDF Quiz High-quality N10-009 - Reliable CompTIA Network+ Certification Exam Learning Materials

CompTIA N10-009 Exam Syllabus Topics:

CompTIA Network+ Certification Exam Sample Questions (Q118-Q123):

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