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CompTIA N10-009 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Network Operations19%- Monitoring and management
  • 1. Performance monitoring
  • 2. SNMP and packet capture
- Documentation and diagrams
  • 1. Logical and physical diagrams
  • 2. Asset inventory management
- Disaster recovery
  • 1. Business continuity concepts
  • 2. Recovery metrics and backup sites
- Network services
  • 1. VPN and remote access
  • 2. DNS and DHCP
Topic 2: Networking Concepts23%- Network addressing and protocols
  • 1. Common ports and protocols
  • 2. IPv4 and IPv6 addressing
- OSI model concepts
  • 1. Network devices and appliances
  • 2. OSI layers and functions
- Cloud and virtualization
  • 1. Virtual networking concepts
  • 2. Cloud deployment models
- Network media and topologies
  • 1. Network topologies and architectures
  • 2. Wireless and wired transmission media
Topic 3: Network Troubleshooting24%- Performance troubleshooting
  • 1. Bandwidth bottlenecks
  • 2. Latency and packet loss
- Troubleshooting methodology
  • 1. Problem identification
  • 2. Testing and verification
- Common network issues
  • 1. Wireless connectivity problems
  • 2. Routing and switching issues
Topic 4: Network Security14%- Security technologies
  • 1. Firewalls and segmentation
  • 2. PKI and encryption
- Compliance and risk
  • 1. Compliance standards
  • 2. Risk and vulnerability concepts
- Authentication and authorization
  • 1. RADIUS and TACACS+
  • 2. MFA and SSO
Topic 5: Network Implementation20%- Physical installations
  • 1. Power and environmental considerations
  • 2. Cable management and installation
- Routing technologies
  • 1. NAT and routing protocols
  • 2. Static and dynamic routing
- Switching technologies
  • 1. Spanning Tree Protocol
  • 2. VLAN configuration
- Wireless technologies
  • 1. Access point configuration
  • 2. Wireless standards and security

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CompTIA Network+ Certification Exam Sample Questions (Q509-Q514):

NEW QUESTION # 509
Which of the following describes limiting access to tools or facilities based on job role?

Answer: D

Explanation:
Limiting access based on job role aligns with the principle of least privilege, which ensures users receive only the access necessary to perform their duties.


NEW QUESTION # 510
Which Wi-Fi security configuration provides compatibility for older devices while allowing newer devices to use stronger encryption?

Answer: A

Explanation:
WPA2/WPA3 mixed mode provides compatibility for older devices (that only support WPA2) while allowing newer devices to take advantage of stronger WPA3 encryption. This ensures maximum compatibility and security in a mixed-device environment.
* A. WPA3 only is most secure but not compatible with legacy devices.
* B. WPA2 only is secure but does not future-proof against WPA3-capable devices.
* D. WPA/WPA2 mixed mode is weaker due to WPA (deprecated, insecure).
References (CompTIA Network+ N10-009):
* Domain: Network Security - Wi-Fi encryption standards, WPA2 vs WPA3, mixed-mode compatibility.


NEW QUESTION # 511
A company's marketing team created a new application and would like to create a DNS record for newapplication.comptia.org that always resolves to the same address as www.comptia.org. Which of the following records should the administrator use?

Answer: A

Explanation:
A CNAME (Canonical Name) record is used in DNS to alias one domain name to another. This means that newapplication.comptia.org can be made to resolve to the same IP address aswww.comptia.orgby creating a CNAME record pointing newapplication.comptia.org towww.comptia.org. SOA (Start of Authority) is used for DNS zone information, MX (Mail Exchange) is for mail server records, and NS (Name Server) is for specifying authoritative DNS servers.


NEW QUESTION # 512
Which of the following layers in the OSI model is responsible for establishing, maintaining, and terminating connections between nodes?

Answer: A

Explanation:
TheSession Layer(Layer 5 of the OSI Model) is responsible for setting up, managing, and tearing down sessions between applications. It maintains dialog control and synchronizes data exchange between systems.


NEW QUESTION # 513
A network administrator wants to configure a backup route in case the primary route fails. A dynamic routing protocol is not installed on the router. Which of the following routing features should the administrator choose to accomplish this task?

Answer: D

Explanation:
* Introduction to Administrative Distance
* Administrative distance (AD) is a value used by routers to rank routes from different routing protocols. AD represents the trustworthiness of the source of the route. Lower AD values are more preferred. If a router has multiple routes to a destination from different sources, it will choose the route with the lowest AD.
* Static Routes and Backup Routes
* When a dynamic routing protocol is not used, static routes can be employed. Static routes are manually configured routes. To ensure a backup route, multiple static routes to the same destination can be configured with different AD values.
* Configuring Static Routes with Administrative Distance
* The primary route is configured with a lower AD value, making it the preferred route. The backup route is configured with a higher AD value. In the event of the primary route failure, the router will then use the backup route.
* Example Configuration:
plaintext
Copy code
ip route 192.168.1.0 255.255.255.0 10.0.0.1 1
ip route 192.168.1.0 255.255.255.0 10.0.0.2 10
* In the above example, 192.168.1.0/24 is the destination network.
* 10.0.0.1 is the next-hop IP address for the primary route with an AD of 1.
* 10.0.0.2 is the next-hop IP address for the backup route with an AD of 10.
* Verification:
* After configuration, use the show ip route command to verify that the primary route is in use and the backup route is listed as a candidate for use if the primary route fails.
References:
* CompTIA Network+ guide explains the concept of administrative distance and its use in static routing configuration (see page Ref 9fBasic Configuration Commands).


NEW QUESTION # 514
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