CompTIA Network+ N10-009 - Domains 1 and 2 Fundamentals and Implementations

By Jordan Blake · Updated Jul 10, 2026

Questions25
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Format100% Multiple Choice
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Question catalog for this preview

Catalog listing of the 5 preview questions for this quiz.

Question 1

A company has a switch loop causing a broadcast storm. What protocol prevents switching loops while maintaining redundant paths?

Answer choices

  • A. VLAN (Virtual LAN)

  • B. STP (Spanning Tree Protocol) / RSTP

  • C. LACP (Link Aggregation Control Protocol)

  • D. RIP (Routing Information Protocol)

Question 2

A network administrator wants to combine two 1-Gbps links between two switches into a single 2-Gbps logical link with redundancy. Which technology accomplishes this?

Answer choices

  • A. STP

  • B. VLAN trunking

  • C. LACP (Link Aggregation) / Port Channel / EtherChannel

  • D. Port mirroring

Question 3

A network administrator uses a sniffer and sees ARP requests being sent from one workstation for every IP address on the subnet in sequence. What is MOST likely occurring?

Answer choices

  • A. Normal DHCP process

  • B. ARP poisoning/spoofing

  • C. Network reconnaissance or ARP scanning (possible network scanning/attack)

  • D. Spanning tree convergence

Question 4

Which wireless standard is also known as "Wi-Fi 6" and introduces OFDMA and Target Wake Time (TWT) for improved efficiency?

Answer choices

  • A. 802.11ac

  • B. 802.11ax

  • C. 802.11n

  • D. 802.11ad

Question 5

A network administrator configures a router with a static route: `ip route 10.20.0.0 255.255.0.0 192.168.1.1`. What does the IP address 192.168.1.1 represent in this command?

Answer choices

  • A. The destination network

  • B. The subnet mask

  • C. The next-hop router or gateway IP address

  • D. The source interface