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CompTIA · N10-009 · 2024-06 objectives

CompTIA Network+

200
questions
8
practice tests
1
free test
720 / 900
to pass the real exam

Try 5 questions

Real questions from the Network+ bank, one per domain. No account, no card needed! Just choose an answer and see the why.

1 / 5OBJ 1.1

Which OSI layer is responsible for the physical transmission of raw bits as electrical, optical, or radio signals onto the medium?

Practice tests

Timed and scored like the real thing. Answers stay on the server until you submit, then every question is explained in review.

Exam objectives

What N10-009 covers, and how much of the exam each domain accounts for. Percentages are the share of scored questions in the 2024-06 objectives.

1.0Networking Concepts

23%
  • 1.1Explain concepts related to the Open Systems Interconnection (OSI) reference model (Layer 1 - Physical, Layer 2 - Data link, Layer 3 - Network, Layer 4 - Transport, Layer 5 - Session, Layer 6 - Presentation).
  • 1.2Compare and contrast networking appliances, applications, and functions (Physical and virtual appliances, Applications, Functions).
  • 1.3Summarize cloud concepts and connectivity options (Network functions virtualization (NFV), Virtual private cloud (VPC), Network security groups, Network security lists, Cloud gateways, Cloud connectivity options).
  • 1.4Explain common networking ports, protocols, services, and traffic types (Internet Control Message Protocol (ICMP), Transmission Control Protocol (TCP), User Datagram Protocol (UDP), Generic Routing Encapsulation (GRE), Internet Protocol Security (IPSec), Unicast).
  • 1.5Compare and contrast transmission media and transceivers (Wireless, Wired, Transceivers, Connector types).
  • 1.6Compare and contrast network topologies, architectures, and types (Mesh, Hybrid, Star/hub and spoke, Spine and leaf, Point to point, Three-tier hierarchical model).
  • 1.7Given a scenario, use appropriate IPv4 network addressing (Public vs. private, Subnetting, IPv4 address classes).
  • 1.8Summarize evolving use cases for modern network environments (Virtual Extensible Local Area Network (VXLAN), Zero trust architecture (ZTA), Infrastructure as code (IaC), IPv6 addressing).

2.0Network Implementation

20%
  • 2.1Explain characteristics of routing technologies (Static routing, Dynamic routing, Route selection, Address translation, First Hop Redundancy Protocol (FHRP), Virtual IP (VIP)).
  • 2.2Given a scenario, configure switching technologies and features (Virtual Local Area Network (VLAN), Interface configuration, Spanning tree, Maximum transmission unit (MTU)).
  • 2.3Given a scenario, select and configure wireless devices and technologies (Channels, Frequency options, Service set identifier (SSID), Network types, Encryption, Guest networks).
  • 2.4Explain important factors of physical installations (Important installation implications, Power, Environmental factors).

3.0Network Operations

19%
  • 3.1Explain the purpose of organizational processes and procedures (Documentation, Life-cycle management, Change management, Configuration management).
  • 3.2Given a scenario, use network monitoring technologies (SNMP, Flow data, Packet capture, Baseline metrics, Log aggregation, Port mirroring).
  • 3.3Explain disaster recovery (DR) concepts (DR metrics, DR sites, High-availability approaches, Testing).
  • 3.4Given a scenario, implement IPv4 and IPv6 network services (Dynamic addressing, Name resolution, Time protocols).
  • 3.5Compare and contrast network access and management methods (Site-to-site VPN, Client-to-site VPN, Connection methods, Jump box/host, In-band vs. out-of-band management).

4.0Network Security

14%
  • 4.1Explain the importance of basic network security concepts (Logical security, Physical security, Deception technologies, Common security terminology, Audits and regulatory compliance, Network segmentation enforcement).
  • 4.2Summarize various types of attacks and their impact to the network (VLAN hopping, Media Access Control (MAC) flooding, Address Resolution Protocol (ARP) poisoning, ARP spoofing, DNS poisoning, DNS spoofing).
  • 4.3Given a scenario, apply network security features, defense techniques, and solutions (Device hardening, Network access control (NAC), Key management, Security rules, Zones).

5.0Network Troubleshooting

24%
  • 5.1Explain the troubleshooting methodology (Identify the problem, Establish a theory of probable cause, Test the theory to determine the cause).
  • 5.2Given a scenario, troubleshoot common cabling and physical interface issues (Cable issues, Interface issues, Hardware issues).
  • 5.3Given a scenario, troubleshoot common issues with network services (Switching issues, Route selection, Address pool exhaustion, Incorrect default gateway, Incorrect IP address, Incorrect subnet mask).
  • 5.4Given a scenario, troubleshoot common performance issues (Congestion/contention, Bottlenecking, Bandwidth, Latency, Packet loss, Jitter).
  • 5.5Given a scenario, use the appropriate tool or protocol to solve networking issues (Software tools, Hardware tools, Basic networking device commands).

Summarized from CompTIA Network+’s published exam objectives. Always check the vendor’s current objectives before your exam.