81. A switch port configured with the _____ command will only allow a single VLAN’s traffic.
- a)
switchport mode access - b)
switchport mode trunk - c)
switchport vlan - d)
switchport single vlan
Answer: a) switchport mode access
The
switchport mode access command configures the port to allow traffic from only a single VLAN.
82. Which command allows you to save the current running configuration to the startup configuration on a Cisco switch?
- a)
copy running-config startup-config - b)
save running-config - c)
copy config - d)
save config
Answer: a) copy running-config startup-config
The
copy running-config startup-config command saves the current configuration to the startup configuration, ensuring it is preserved after a reboot.
83. What is the maximum number of VLANs that can be created on a Cisco switch?
- a) 256
- b) 512
- c) 1024
- d) 4096
Answer: d) 4096
Cisco switches support a maximum of 4096 VLANs, as VLAN IDs range from 1 to 4094 (with VLANs 0 and 4095 reserved).
84. The command banner motd # is used to configure a _____ on a switch.
- a) Login password
- b) Welcome message
- c) Access control list
- d) VLAN
Answer: b) Welcome message
The
banner motd # command configures a Message of the Day (MOTD) banner, which is displayed to users when they log into the switch.
85. Which of the following is a characteristic of the default VLAN on a Cisco switch?
- a) It cannot be deleted.
- b) It can be renamed.
- c) It is automatically trunked across all ports.
- d) It is assigned a different ID on each switch.
Answer: a) It cannot be deleted.
The default VLAN, VLAN 1, cannot be deleted or renamed. It is automatically assigned to all switch ports.
86. Which command is used to set a password on a VTY line for remote access?
- a)
line password - b)
password vty - c)
login password - d)
password
Answer: d) password
The
password command is used within the VTY line configuration mode to set a password for remote access via Telnet or SSH.
87. The _____ command is used to view the current Spanning Tree Protocol (STP) status on a switch.
- a)
show stp - b)
show spanning-tree - c)
show spanning-tree status - d)
show stp status
Answer: b) show spanning-tree
The
show spanning-tree command displays the current status and configuration of the Spanning Tree Protocol on the switch.
88. Which of the following is true about a broadcast domain?
- a) It includes all devices connected to a switch.
- b) It is segmented by routers.
- c) It allows only unicast traffic.
- d) It is used to filter traffic based on MAC addresses.
Answer: b) It is segmented by routers.
A broadcast domain is defined by routers, which segment the network into multiple broadcast domains to limit the scope of broadcast traffic.
89. Which command is used to enable SSH on a Cisco switch?
- a)
enable ssh - b)
ssh enable - c)
crypto key generate rsa - d)
ssh setup
Answer: c) crypto key generate rsa
The
crypto key generate rsa command generates an RSA key pair required for SSH to function on a Cisco switch.
90. The command show ip ssh displays the _____ of SSH on a switch.
- a) IP address
- b) Version and status
- c) MAC address
- d) Encryption type
Answer: b) Version and status
The
show ip ssh command displays the version and status of SSH on the switch, including whether SSH is enabled and which version is in use.
