61. Fill in the blank: The _____ command is used to remove an interface from a VLAN.
- a)
no switchport access vlan - b)
no vlan - c)
remove vlan - d)
delete vlan
Answer: a) no switchport access vlan
The
no switchport access vlan command removes an interface from the specified VLAN.
62. What is the purpose of the switchport mode dynamic auto command?
- a) To set a port as an access port
- b) To set a port as a trunk port
- c) To negotiate trunking if the other end is set to trunk
- d) To disable port trunking
Answer: c) To negotiate trunking if the other end is set to trunk
The
switchport mode dynamic auto command configures a port to automatically negotiate trunking if the connected device also supports trunking.
63. Which command would you use to view the IP address assigned to a VLAN on a Cisco switch?
- a)
show ip address - b)
show vlan - c)
show interface vlan - d)
show vlan ip
Answer: c) show interface vlan
The
show interface vlan command displays information about the VLAN interface, including its IP address.
64. What is the role of a Layer 2 switch in a network?
- a) To route packets between different networks
- b) To switch packets within a single network
- c) To filter IP addresses
- d) To perform NAT
Answer: b) To switch packets within a single network
A Layer 2 switch operates at the Data Link layer, forwarding packets based on MAC addresses within a single network.
65. Fill in the blank: The command show ip interface brief is used to display a summary of the _____ and IP addresses on a switch.
- a) VLANs
- b) Interfaces
- c) MAC addresses
- d) Routes
Answer: b) Interfaces
The
show ip interface brief command provides a summary of the interfaces and their corresponding IP addresses on a switch.
66. Which command would you use to erase the startup configuration on a Cisco switch?
- a)
erase config - b)
erase running-config - c)
erase startup-config - d)
delete config
Answer: c) erase startup-config
The
erase startup-config command removes the saved configuration from the switch’s NVRAM.
67. What does the no ip domain-lookup command accomplish?
- a) It prevents the switch from resolving hostnames.
- b) It disables IP address resolution.
- c) It blocks DNS queries from the switch.
- d) It removes the IP address from the switch.
Answer: a) It prevents the switch from resolving hostnames.
The
no ip domain-lookup command stops the switch from attempting to resolve unknown hostnames into IP addresses.
68. Which protocol is used to securely access a switch over a network?
- a) HTTP
- b) Telnet
- c) FTP
- d) SSH
Answer: d) SSH
SSH (Secure Shell) is used to securely access a switch over a network, encrypting the communication.
69. Fill in the blank: The _____ command is used to configure a switch to forward traffic to multiple VLANs.
- a)
switchport mode access - b)
switchport mode trunk - c)
vlan trunking - d)
vlan forwarding
Answer: b) switchport mode trunk
The
switchport mode trunk command allows a switch port to forward traffic to and from multiple VLANs.
70. What is the purpose of the ip dhcp snooping feature on a switch?
- a) To provide DHCP services
- b) To prevent unauthorized DHCP servers
- c) To monitor DHCP traffic
- d) To filter IP addresses
Answer: b) To prevent unauthorized DHCP servers
ip dhcp snooping is a security feature that prevents unauthorized (rogue) DHCP servers from distributing IP addresses on the network.
