150 CCNA Switch Configuration MCQS with Explanation

151. Which command is used to configure the maximum number of MAC addresses allowed on a port?

  • a) switchport port-security maximum
  • b) port-security max-mac
  • c) switchport max-mac-address
  • d) port-security max-addresses

Answer: a) switchport port-security maximum

The switchport port-security maximum command configures the maximum number of MAC addresses allowed on a port.

152. To enable SSH access to a switch, you must first configure a _____ domain name.

  • a) Host
  • b) Network
  • c) DNS
  • d) VLAN

Answer: a) Host

To enable SSH access, you need to configure a domain name for the switch, which is typically done using the ip domain-name command.

153. Which command is used to configure the native VLAN for a trunk port?

  • a) switchport trunk native vlan
  • b) switchport trunk vlan
  • c) switchport vlan native
  • d) trunk vlan native

Answer: a) switchport trunk native vlan

The switchport trunk native vlan command sets the native VLAN for a trunk port.

154. Fill in the blank: The command show ip access-lists displays the configured _____ lists on a switch.

  • a) ACL
  • b) VLAN
  • c) Route
  • d) Security

Answer: a) ACL


The show ip access-lists command displays the configured IP access control lists (ACLs) on the switch.

155. Which command is used to enable SSH on a switch?

  • a) ip ssh version 2
  • b) enable ssh
  • c) ssh enable
  • d) configure ssh

Answer: a) ip ssh version 2

The ip ssh version 2 command enables SSH version 2 on the switch.

156. Fill in the blank: The _____ command is used to check the current switch port status and VLAN assignments.

  • a) show vlan
  • b) show interfaces
  • c) show port status
  • d) show port vlan

Answer: b) show interfaces

The show interfaces command provides detailed status information about switch ports and their VLAN assignments.

157. Which command is used to display the status of the Spanning Tree Protocol for a specific VLAN?

  • a) show spanning-tree vlan
  • b) show stp vlan
  • c) show vlan stp
  • d) show spanning-tree

Answer: a) show spanning-tree vlan

The show spanning-tree vlan command displays the Spanning Tree Protocol status for a specific VLAN.

158. Fill in the blank: The command show ip interface brief displays a summary of all _____ interfaces and their IP addresses.

  • a) Physical
  • b) VLAN
  • c) Routed
  • d) Virtual

Answer: b) VLAN


The show ip interface brief command provides a summary of all interfaces, including VLAN interfaces, and their IP addresses.

159. Which command would you use to display the MAC address table with VLAN information?

  • a) show mac address-table
  • b) show vlan mac-address
  • c) show interfaces mac
  • d) show mac-address

Answer: a) show mac address-table

The show mac address-table command displays the MAC address table along with VLAN information.
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