CompTIA Network+ (N10-009) Practice Exam
CompTIA Network+ (N10-009)
About CompTIA Network+ (N10-009)
The CompTIA Network+ certification confirms the essential skills needed to build, manage, troubleshoot, and secure networks in any work environment. This certification prepares you for a career in networking and cybersecurity.
Knowledge Gained
- Networking Concepts: Gain an understanding of fundamental networking principles, including the OSI model, network devices, applications, cloud technologies, and connectivity options.
- Network Implementations: Learn about routing technologies, physical installations, configuring switches, and managing wireless devices.
- Network Operations: Develop the ability to monitor and optimize network performance, ensuring smooth business operations.
- Network Security: Understand security fundamentals and network threats, and how to protect networks from potential risks.
- Network Troubleshooting: Master the process of troubleshooting networking issues, including those related to cables, connectivity, and software problems.
Career Opportunities with CompTIA Network+
Earning the CompTIA Network+ certification can open doors to various IT positions, including:
- Tier II IT Support Technician
- IT Support Manager
- Network Administrator
- Systems Administrator
- Data Center Technician
Exam Details
- Total Questions: Up to 90
- Type of Questions: Multiple choice and performance-based
- Exam Duration: 90 minutes
- Passing Score: 720 (on a scale of 100-900)
Recommended Experience
While not mandatory, it is recommended that candidates have CompTIA A+ certification and 9-12 months of hands-on experience in a network support or junior network administrator role.
Skills Required
The CompTIA Network+ exam verifies that candidates have the skills to:
- Establish network connections using both wired and wireless devices.
- Understand and manage network documentation.
- Comprehend the purpose of various network services.
- Understand basic concepts of datacenter, cloud, and virtual networking.
- Monitor network performance and address any issues.
- Implement network security measures.
- Manage, configure, and troubleshoot network infrastructure.
Course Outline
The CompTIA Network+ (N10-009) Exam covers the following topics -
Domain 1 - Describe Networking Fundamentals
1.1 Understanding OSI Model Layers:
- Layer 1: Physical
- Layer 2: Data Link
- Layer 3: Network
- Layer 4: Transport
- Layer 5: Session
- Layer 6: Presentation
- Layer 7: Application
1.2 Understanding Networking Devices, Functions, and Applications:
Compare and contrast both physical and virtual network appliances:
- Devices: Router, Switch, Firewall, Intrusion Detection System (IDS), Intrusion Prevention System (IPS), Load Balancer, Proxy, Network-Attached Storage (NAS), Storage Area Network (SAN), Wireless Access Point (AP), and Controllers.
- Applications: Content Delivery Network (CDN).
- Network functions: VPN (Virtual Private Network), QoS (Quality of Service), TTL (Time to Live).
1.3 Understanding Cloud Networking and Connectivity:
Cloud network concepts and their respective connectivity options:
- Virtualization: Network Functions Virtualization (NFV), Virtual Private Cloud (VPC), Network Security Groups, Security Lists.
- Gateways: Internet Gateway, NAT Gateway.
- Cloud deployment models: Public, Private, Hybrid.
- Cloud service models: SaaS (Software as a Service), IaaS (Infrastructure as a Service), PaaS (Platform as a Service).
- Characteristics: Scalability, Elasticity, and Multitenancy.
1.4 Understanding Networking Ports, Protocols, Services, and Traffic Types:
Overview of essential network ports and their respective protocols:
- Common protocols like FTP, SSH, DNS, HTTP, and HTTPS.
- Key traffic types: Unicast, Multicast, Anycast, and Broadcast.
1.5 Understanding Transmission Media and Transceivers:
Comparison of various transmission media:
- Wireless: 802.11 standards, Cellular, Satellite.
- Wired: 802.3 standards, Fiber optics, DAC (Direct Attach Copper) cables, Coaxial cables.
- Transceivers: Ethernet, Fibre Channel, SFP, QSFP.
- Connectors: SC, LC, ST, MPO, RJ11, RJ45, F-Type, BNC.
1.6 Understanding Network Topologies and Architectures:
- Overview of network topologies like Mesh, Hybrid, Star/Hub and Spoke, Spine and Leaf, and Point to Point.
- Differentiating public vs. private IP addressing, IPv4 classes, and traffic flows (North-South vs. East-West).
1.7 Understanding IPv4 Network Addressing:
- Application of IPv4 network addressing in practical scenarios, including:
- Subnetting (VLSM, CIDR), Private addressing (APIPA), and Loopback addresses.
1.8 Understanding Modern Network Applications and Use Cases:
- Evolving technologies in network architecture:
- Software-defined networks (SDN, SD-WAN), Zero Trust Architecture (ZTA), Infrastructure as Code (IaC), and IPv6 addressing solutions.
Domain 2 Describe Network Implementation
2.1 Understanding Routing Technologies:
- Static and Dynamic routing (BGP, EIGRP, OSPF), Route selection, NAT, PAT, and FHRP.
2.2 Understanding Switching Technologies:
- Configuration of essential switch features:
- VLAN management, SVI, Native/Voice VLAN, 802.1Q tagging, and Link aggregation.
2.3 Understanding Wireless Devices and Technologies:
- Wireless technology selection:
- Channels, frequencies (2.4GHz, 5GHz, 6GHz), SSID, and encryption (WPA2, WPA3).
2.4 Understanding Physical Installations:
- Key factors for installing network components:
- Location (IDF, MDF), Rack size, Cabling, Power systems (UPS, PDU), Environmental factors (temperature, humidity).
Domain 3 - Describe Network Operations
3.1 Understanding Organizational Processes
- Documentation (physical/logical diagrams, rack/cable maps), Asset inventory, IPAM, SLAs, Life-cycle management, and Change management.
3.2 Understanding Network Monitoring
- Utilizing network monitoring technologies
- SNMP, Flow data, Packet capture, Syslog, and SIEM solutions for network discovery, traffic analysis, and performance/availability monitoring.
3.3 Understanding Disaster Recovery
- Key concepts in disaster recovery:
- RPO, RTO, MTTR, MTBF, DR sites (Cold, Warm, Hot), and High Availability.
3.4 Understanding IPv4 and IPv6 Network Services:
- Practical implementation of IPv4/IPv6 network services:
- Dynamic addressing, DNS, NTP, VPN services, and connection methods.
3.5 Understanding Access and Management Methods:
Comparative analysis of network access methods:
SSH, GUI, API, In-band vs. Out-of-band management, and jump boxes.
Domain 4 - Describe Network Security
4.1 Understanding Basic Network Security Concepts:
- Essential security mechanisms:
- Encryption (data in transit, data at rest), PKI, IAM (authentication, MFA, SSO, RADIUS), and key network security protocols like DNSSEC and DoH.
4.2 Understanding Advanced Security Methods:
- Overview of advanced security protocols and technologies in modern network environments.
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