Exam Questions For CompTIA N10-009 With Reliable Answers

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CompTIA N10-009 Exam Syllabus Topics:

SectionWeightObjectives
Network Security14%- Compliance and risk
  • 1. Compliance standards
  • 2. Risk and vulnerability concepts
- Authentication and authorization
  • 1. RADIUS and TACACS+
  • 2. MFA and SSO
- Security technologies
  • 1. PKI and encryption
  • 2. Firewalls and segmentation
Networking Concepts23%- Network media and topologies
  • 1. Network topologies and architectures
  • 2. Wireless and wired transmission media
- OSI model concepts
  • 1. OSI layers and functions
  • 2. Network devices and appliances
- Cloud and virtualization
  • 1. Cloud deployment models
  • 2. Virtual networking concepts
- Network addressing and protocols
  • 1. Common ports and protocols
  • 2. IPv4 and IPv6 addressing
Network Troubleshooting24%- Performance troubleshooting
  • 1. Latency and packet loss
  • 2. Bandwidth bottlenecks
- Common network issues
  • 1. Wireless connectivity problems
  • 2. Routing and switching issues
- Troubleshooting methodology
  • 1. Problem identification
  • 2. Testing and verification
Network Implementation20%- Physical installations
  • 1. Power and environmental considerations
  • 2. Cable management and installation
- Routing technologies
  • 1. Static and dynamic routing
  • 2. NAT and routing protocols
- Switching technologies
  • 1. VLAN configuration
  • 2. Spanning Tree Protocol
- Wireless technologies
  • 1. Access point configuration
  • 2. Wireless standards and security
Network Operations19%- Documentation and diagrams
  • 1. Asset inventory management
  • 2. Logical and physical diagrams
- Disaster recovery
  • 1. Recovery metrics and backup sites
  • 2. Business continuity concepts
- Network services
  • 1. VPN and remote access
  • 2. DNS and DHCP
- Monitoring and management
  • 1. Performance monitoring
  • 2. SNMP and packet capture

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CompTIA Network+ Certification Exam Sample Questions (Q556-Q561):

NEW QUESTION # 556
A network administrator receives complaints of intermittent network connectivity issues. The administrator investigates and finds that the network design contains potential loop scenarios. Which of the following should the administrator do?

Answer: A

Explanation:
Spanning Tree Protocol (STP) is designed to detect and prevent Layer 2 loops by blocking redundant paths. If loops are possible in the design, enabling STP ensures network stability.
B). Port security controls endpoint MAC addresses, not loops.
C). Speed limits address bandwidth, not loop prevention.
D). 802.1Q tagging allows VLAN separation but does not resolve loops.
Reference (CompTIA Network+ N10-009):
Domain: Network Operations - Loop prevention, spanning tree, switch design.


NEW QUESTION # 557
A company has observed increased user traffic to gambling websites and wants to limit this behavior on work computers. Which of the following should the company most likely implement?

Answer: C

Explanation:
A content filter blocks access to specific websites based on category, URL, or keywords. This is the best solution to restrict gambling websites.
Breakdown of Options:
A: ACLs - Control network access, not specific web content.
B: Content filter - # Correct answer. Used to block access to unwanted websites.
C: Port security - Prevents unauthorized device connections, not web traffic filtering.
D: Screened subnet - A DMZ isolates public-facing servers, not user restrictions.
Reference:
CompTIA Network+ (N10-009) Official Study Guide - Domain 3.3: Given a scenario, implement network security measures.


NEW QUESTION # 558
Which of the following most likely determines the size of a rack for installation? (Select two).

Answer: B

Explanation:
Understanding Rack Size Determination:
The size of a rack for installation is determined by the dimensions of the equipment to be housed in it, primarily focusing on the depth and height of the devices.
Switch Depth:
Depth of Equipment: The depth of network switches and other rack-mounted devices directly influences the depth of the rack. If the equipment is deeper, a deeper rack is required to accommodate it.
Industry Standards: Most racks come in standard depths, but it is essential to match the depth of the rack to the deepest piece of equipment to ensure proper fit and airflow.
Server Height:
Height of Equipment: The height of servers and other devices is measured in rack units (U), where 1U equals 1.75 inches. The total height of all equipment determines the overall height requirement of the rack.
Rack Units: A rack's height is typically described in terms of the number of rack units it can accommodate, such as 42U, 48U, etc.
Why Other Options are Less Relevant:
KVM Size: While important for management, KVM (Keyboard, Video, Mouse) switches do not typically determine rack size.
Hard Drive Size: Individual hard drives are installed within servers or storage devices, not directly influencing rack dimensions.
Cooling Fan Speed: Fan speed affects cooling but not the physical size of the rack.
Outlet Amperage: Power requirements do not determine rack dimensions but rather the electrical infrastructure supporting the rack.
Reference:
CompTIA Network+ study materials on rack installation and equipment sizing.


NEW QUESTION # 559
Which of the following is created to illustrate the effectiveness of wireless networking coverage in a building?

Answer: D

Explanation:
Definition of Heat Maps:
A heat map is a graphical representation of data where individual values are represented by colors. In the context of wireless networking, a heat map shows the wireless signal strength in different areas of a building.
Purpose of a Heat Map:
Heat maps are used to illustrate the effectiveness of wireless networking coverage, identify dead zones, and optimize the placement of access points (APs) to ensure adequate coverage and performance.


NEW QUESTION # 560
Which of the following functions is used to prioritize network traffic based on the type of traffic?

Answer: A


NEW QUESTION # 561
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