CompTIA Network+ Networking Concepts Practice Questions
CompTIA Network+ (N10-009) · Domain 1 of 5 · 23% of the exam
90 questions in 90 minutes, performance-based questions included, drawn in the official share for each N10-009 domain, with a score for every domain and a note on every answer.
Free Networking Concepts drillHow many usable host addresses does a /26 subnet provide?
Networking Concepts on the Network+ exam
Networking Concepts is 23% of Network+ (N10-009), about 21 of 90 questions. It is the foundation for every other Network+ domain.
- Share of the exam
- 23% of N10-009, about 21 of 90 questions
- Our drill
- 10 questions from 48 Networking Concepts questions, untimed, a note on every option; one free attempt, unlimited with a pass
What Networking Concepts questions test
- The seven OSI layers and what works at each
- Routers, switches, firewalls, IDS/IPS, load balancers, proxies, NAS, SAN, wireless controllers, CDN, VPN, QoS and TTL
- Cloud networking: NFV, VPC, security groups and lists, internet and NAT gateways, VPN and Direct Connect, deployment and service models
- Ports from FTP to SIP (including TFTP 69, NTP 123, SNMP 161/162, syslog 514, SMTPS 587, LDAPS 636, SQL Server 1433), ICMP, GRE and IPsec, and traffic types
- Wireless, copper and fiber media, DAC, SFP and QSFP, connectors from SC to BNC; mesh, star, spine and leaf, three-tier and collapsed core
- IPv4 addressing and subnetting (VLSM, CIDR, classes), SD-WAN, VXLAN, zero trust, SASE, infrastructure as code and IPv6 transition
Sit the full exam under the real clock
90 questions in 90 minutes, performance-based questions included, drawn in the official share for each N10-009 domain, with a score for every domain and a note on every answer.
Free Networking Concepts drillHow to study it
- Practice subnetting until finding the network, broadcast and host count for any /24–/30 takes under a minute
- Learn the extra Network+ ports beyond A+
- Place each device on the OSI layer it reads
Common questions
How much subnetting is on Network+?
Objective 1.7 covers public and private addressing, APIPA, loopback, VLSM, CIDR and address classes. Expect calculations of network, broadcast and host counts.
What new topics did N10-009 add?
Objective 1.8 covers SD-WAN, VXLAN, zero trust architecture, SASE/SSE, infrastructure as code and IPv6 transition methods such as dual stack and NAT64.
90 questions in 90 minutes, performance-based questions included, drawn in the official share for each N10-009 domain, with a score for every domain and a note on every answer.
Free Networking Concepts drillMore Network+ practice
Sources
We write our own practice questions to help you prepare for the CompTIA A+ and CompTIA Network+ certifications. They are original questions written to CompTIA’s published exam objectives, not real exam questions. Independent practice, not affiliated with or endorsed by CompTIA or Pearson VUE. CompTIA, A+ and Network+ are trademarks of CompTIA, Inc.