PRACTICE COMPTIA N10-009 EXAMS FREE, N10-009 LATEST MATERIALS

Practice CompTIA N10-009 Exams Free, N10-009 Latest Materials

Practice CompTIA N10-009 Exams Free, N10-009 Latest Materials

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Tags: Practice N10-009 Exams Free, N10-009 Latest Materials, Latest N10-009 Study Notes, N10-009 Latest Dump, N10-009 Reliable Exam Dumps

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CompTIA N10-009 Exam Syllabus Topics:

TopicDetails
Topic 1
  • OSI reference model concepts, Comparison of networking appliances, applications, and functions
Topic 2
  • Networking Concepts: For network administrators and IT support professionals, this domain covers
Topic 3
  • Selection and configuration of wireless devices.
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.

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CompTIA Network+ Certification Exam Sample Questions (Q216-Q221):

NEW QUESTION # 216
Which of the following should a network administrator configure when adding OT devices to an organization's architecture?

  • A. Time-based authentication
  • B. Honeynet
  • C. Network segmentation
  • D. Data-at-rest encryption

Answer: C

Explanation:
Network segmentation involves dividing a network into smaller segments or subnets. This is particularly important when integrating OT (Operational Technology) devices to ensure that these devices are isolated from other parts of the network. Segmentation helps protect the OT devices from potential threats and minimizes the impact of any security incidents. It also helps manage traffic and improves overall network performance.References:CompTIA Network+ study materials.


NEW QUESTION # 217
A company is implementing a wireless solution in a high-density environment. Which of the following 802.11 standards is used when a company is concerned about device saturation and converage?

  • A. 802.11ac
  • B. 802.11g
  • C. 802.11n
  • D. 802.11ax

Answer: D

Explanation:
802.11ax, also known as Wi-Fi 6, is designed for high-density environments and improves device saturation and coverage compared to previous standards.
802.11ac: While it offers high throughput, it is not optimized for high-density environments as effectively as 802.11ax.
802.11ax (Wi-Fi 6): Introduces features like OFDMA, MU-MIMO, and BSS Coloring, which enhance performance in crowded environments, reduce latency, and increase the number of devices that can be connected simultaneously.
802.11g and 802.11n: Older standards that do not offer the same level of efficiency or support for high device density as 802.11ax.


NEW QUESTION # 218
An organization has a security requirement that all network connections can be traced back to a user. A network administrator needs to identify a solution to implement on the wireless network. Which of the following is the best solution?

  • A. Implementing enterprise authentication
  • B. Requiring the use of PSKs
  • C. Enforcing wired equivalent protection
  • D. Configuring a captive portal for users

Answer: A

Explanation:
Enterprise authentication (such as WPA2-Enterprise) utilizes unique credentials for each user, typically integrating with an authentication server like RADIUS. This allows for tracking and logging user activity, ensuring that all connections can be traced back to individual users. PSKs (Pre-Shared Keys) are shared among users and do not provide individual accountability. Captive portals can identify users but are less secure than enterprise authentication, and Wired Equivalent Privacy (WEP) is outdated and not recommended for security purposes.
Reference:
CompTIA Network+ materials highlight enterprise authentication methods as the preferred solution for secure and accountable wireless network access.


NEW QUESTION # 219
Which of the following most likely requires the use of subinterfaces?

  • A. A router with only one available LAN port
  • B. A firewall performing deep packet inspection
  • C. A switch using Spanning Tree Protocol
  • D. A hub utilizing jumbo frames

Answer: A

Explanation:
Introduction to Subinterfaces:
Subinterfaces are logical interfaces created on a single physical interface. They are used to enable a router to support multiple networks on a single physical interface.
Use Case for Subinterfaces:
Subinterfaces are commonly used in scenarios where VLANs are implemented. A router with a single physical LAN port can be configured with multiple subinterfaces, each associated with a different VLAN.
This setup allows the router to route traffic between different VLANs.
Example Configuration:
Consider a router with a single physical interface GigabitEthernet0/0 and two VLANs, 10 and 20.
interface GigabitEthernet0/0.10
encapsulation dot1Q 10
ip address 192.168.10.1 255.255.255.0
!
interface GigabitEthernet0/0.20
encapsulation dot1Q 20
ip address 192.168.20.1 255.255.255.0
The encapsulation dot1Q command specifies the VLAN ID.
Explanation of the Options:
A . A router with only one available LAN port: This is correct. Subinterfaces allow a single physical interface to manage multiple networks, making it essential for routers with limited physical interfaces.
B . A firewall performing deep packet inspection: Firewalls can use subinterfaces, but it is not a requirement for deep packet inspection.
C . A hub utilizing jumbo frames: Hubs do not use subinterfaces as they operate at Layer 1 and do not manage IP addressing.
D . A switch using Spanning Tree Protocol: STP is a protocol for preventing loops in a network and does not require subinterfaces.
Conclusion:
Subinterfaces provide a practical solution for routing between multiple VLANs on a router with limited physical interfaces. They allow network administrators to optimize the use of available hardware resources efficiently.
Reference:
CompTIA Network+ guide detailing VLAN configurations and the use of subinterfaces (see page Ref 9fasic Configuration Commands).


NEW QUESTION # 220
A network administrator needs to connect two routers in a point-to-point configuration and conserve IP space. Which of the following subnets should the administrator use?

  • A. /30
  • B. /28
  • C. /26
  • D. 0

Answer: A

Explanation:
Using a /30 subnet mask is the most efficient way to conserve IP space for a point-to-point connection between two routers. A /30 subnet provides four IP addresses, two of which can be assigned to the router interfaces, one for the network address, and one for the broadcast address. This makes it ideal for point-to-point links where only two usable IP addresses are needed.
Reference: CompTIA Network+ study materials and subnetting principles.


NEW QUESTION # 221
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