Security+

Description

CompTIA Network+ is the premier certification for validating your knowledge of essential networking tools and concepts. You will be assessed on your abilities in network connectivity, documentation, service configuration, data centers, cloud, virtual networking, monitoring, troubleshooting, and security hardening. This certification prepares you for jobs in technical support, network operation, and system administration.

Skills

• Deploy wired and wireless devices, covering IP addressing, ports, protocols, and network architecture for network deployment.
• Understand documentation, life-cycle, change, and configuration management processes and procedures.
• Grasp virtualization, cloud service models, elasticity, and scalability to apply cloud concepts.

• Monitor networks for high availability and resolve connectivity issues to maintain network performance.
• Establish secure networks and mitigate vulnerabilities to strengthen security.
• Diagnose and resolve network issues using appropriate tools for effective troubleshooting.

Exam Detail

• Exam version: V9

• Exam series code: N10-009

• Launch date: June 20, 2024

• Number of questions: maximum of 90, a mix of multiple-choice and performance-based questions

• Retirement: usually three years after launch (estimated 2027)

• Duration: 90 minutes

• Passing score: 720 (on a scale of 100-900)

• Languages: English, German, Japanese, Portuguese, and Spanish

• Recommended experience: CompTIA A+ certification, with 9 to 12 months of hands-on experience in a junior network administrator or network support technician role

Objectives

Network+ (V9) exam objectives summary

Networking concepts (23%)

• OSI model layers: physical, data link, network, transport, session, presentation, application.
• Networking appliances: routers, switches, firewalls, IDS/IPS, load balancers, proxies, NAS, SAN, and wireless devices.
• Cloud concepts: NFV, VPC, network security groups, cloud gateways, deployment models (public, private, hybrid), service models (SaaS, IaaS, PaaS).
• Ports and protocols: FTP, SFTP, SSH, Telnet, SMTP, DNS, DHCP, HTTP, HTTPS, SNMP, LDAP, RDP, SIP.
• Traffic types: unicast, multicast, anycast, broadcast.
• Transmission media: wireless (802.11, cellular, satellite), wired (fiber, coaxial, DAC).
• Transceivers and connectors: SC, LC, ST, MPO, RJ11, RJ45, F-type, BNC.
• Network topologies: mesh, hybrid, star/hub and spoke, spine and leaf, point-to-point, three-tier, and collapsed core.
• IPv4 addressing: public vs. private, APIPA, RFC1918, loopback, subnetting (VLSM, CIDR), and address classes (A, B, C, D, E).