NETWORK+ N10-009

Domain Wise Practice

Choose a specific exam domain to focus your practice.

1.0 Networking Concepts

283 questions • 15 sets

Choose a Set

2.0 Network Implementation

290 questions • 15 sets

Choose a Set

3.0 Network Operations

177 questions • 9 sets

Choose a Set

4.0 Network Security

117 questions • 6 sets

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5.0 Network Troubleshooting

110 questions • 6 sets

Choose a Set

Sample CompTIA Network+ N10-009 questions with explanations

Use these examples to check how the topics are tested. Read the explanation for every option you were unsure about, then start a scored practice set above.

Question 1 1.0 Networking Concepts

Which IP address is loopback IPv6?

  • ✓ ::1
  • ○ FE80::1
  • ○ 2000::1
  • ○ FF00::1
Answer: A. ::1
::1 is correct. This concept is important for the certification exam and appears in scenario-based questions testing your understanding of when and how to apply it.
Question 2 1.0 Networking Concepts / 3.0 Network Operations

Which service terminal access controller access control system?

  • ○ RADIUS
  • ✓ TACACS+
  • ○ SYSLOG
  • ○ SFTP
Answer: B. TACACS+
TACACS+: Terminal Access Controller Access Control System.
Question 3 2.0 Network Implementation

Which switch feature limits mac addresses per port?

  • ✓ Port security
  • ○ PoE
  • ○ STP
  • ○ EtherChannel
Answer: A. Port security
Port security: Limits MAC addresses per port.
Question 4 2.0 Network Implementation / 3.0 Network Operations

Which SDN/virtualization term is defined as: "Network Functions Virtualization, virtualizes network appliances"?

  • ✓ NFV
  • ○ SDN
  • ○ GRE
  • ○ VXLAN
Answer: A. NFV
NFV: Network Functions Virtualization, virtualizes network appliances.
Question 5 2.0 Network Implementation / 4.0 Network Security

Which segmentation method ip-based segmentation at layer 3?

  • ○ Microsegmentation
  • ○ DMZ
  • ○ VLAN
  • ✓ Subnetting
Answer: D. Subnetting
Subnetting: IP-based segmentation at Layer 3.
Question 6 3.0 Network Operations

Which cloud connectivity optimizes paths?

  • ✓ SD-WAN
  • ○ Internet
  • ○ VPN
  • ○ Direct connect
Answer: A. SD-WAN
SD-WAN is correct. This concept is important for the certification exam and appears in scenario-based questions testing your understanding of when and how to apply it.
Question 7 3.0 Network Operations / 5.0 Network Troubleshooting

Which network documentation shows physical layout and connections?

  • ○ Logical network diagram
  • ○ Change log
  • ○ Cable map
  • ✓ Physical network diagram
Answer: D. Physical network diagram
Physical network diagram: Shows physical layout and connections.
Question 8 4.0 Network Security

Which attack is described as: "Unauthorized access point on network"?

  • ○ DoS
  • ○ Man-in-the-middle
  • ○ Spoofing
  • ✓ Rogue AP
Answer: D. Rogue AP
Rogue AP: Unauthorized access point on network.
Question 9 5.0 Network Troubleshooting

Which command is used to renews dhcp lease?

  • ✓ ipconfig /renew
  • ○ pathping
  • ○ ipconfig /release
  • ○ ipconfig /flushdns
Answer: A. ipconfig /renew
ipconfig /renew: Renews DHCP lease.
Question 10 1.0 Networking Concepts

Which OSI layer formats data for applications?

  • ○ Transport
  • ○ Application
  • ✓ Presentation
  • ○ Session
Answer: C. Presentation
Presentation is correct.
Question 11 1.0 Networking Concepts / 3.0 Network Operations

Which DNS record type reverse lookup, ip to hostname?

  • ○ A
  • ○ AAAA
  • ✓ PTR
  • ○ CNAME
Answer: C. PTR
PTR: Reverse lookup, IP to hostname.
Question 12 2.0 Network Implementation

Which switching feature creates separate broadcast domains within a single physical switch?

  • ○ STP
  • ✓ VLAN
  • ○ Trunking
  • ○ Port mirroring
Answer: B. VLAN
VLANs (Virtual LANs) create separate broadcast domains within a switch. STP prevents loops, trunking carries multiple VLANs, and port mirroring copies traffic for monitoring.
Question 13 2.0 Network Implementation / 3.0 Network Operations

Which virtualization networking term virtual network interface card?

  • ✓ vNIC
  • ○ Port group
  • ○ vSwitch
  • ○ VLAN tagging
Answer: A. vNIC
vNIC: Virtual network interface card.
Question 14 2.0 Network Implementation / 4.0 Network Security

Which segmentation method granular per-workload security?

  • ○ VLAN
  • ✓ Microsegmentation
  • ○ DMZ
  • ○ Subnetting
Answer: B. Microsegmentation
Microsegmentation: Granular per-workload security.
Question 15 3.0 Network Operations

Which cloud model is IaaS?

  • ○ Software
  • ○ Platform
  • ✓ Infrastructure
  • ○ Desktop
Answer: C. Infrastructure
Infrastructure is correct.

Open the full CompTIA Network+ N10-009 question-and-answer guide