Cisco CCNA Switching and VLANs

By Riley Santos · Updated Jul 10, 2026

Questions24
Passing Score75%
Format54% Multiple Choice
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Question catalog for this preview

Catalog listing of the 5 preview questions for this quiz.

Question 1

Which of the following are Layer 2 attack types that target switch infrastructure? (Select THREE)

Answer choices

  • A. MAC address flooding (CAM table overflow attack)

  • B. VLAN hopping via double-tagging

  • C. IP spoofing via forged source addresses

  • D. ARP poisoning/ARP spoofing

  • E. Route redistribution manipulation

Question 2

What is EtherChannel (LACP/PAgP), and what problem does it solve?

Answer choices

  • A. A method for encrypting traffic between switches

  • B. Bundling multiple physical links into a single logical link to increase bandwidth and provide redundancy while avoiding STP blocking

  • C. A way to run multiple VLANs on a single trunk port

  • D. A protocol for automatically assigning IP addresses to switch management interfaces

Question 3

Cisco's Rapid PVST+ (802.1w per-VLAN) eliminates the need for PortFast because RSTP convergence is fast enough that end device connections are not delayed.

Answer choices

  • A. True

  • B. False

Question 4

By default, all ports on a Cisco switch belong to VLAN 1.

Answer choices

  • A. True

  • B. False

Question 5

In a standard 802.1D STP topology, the designated port on each network segment is the port with the lowest path cost to the Root Bridge. If path costs are equal, the port with the highest bridge ID wins.

Answer choices

  • A. True

  • B. False