Virtual LANs

Q1: Which of the following commands sets a trunk port on a 2960 switch?

A trunk on

B trunk all

C switchport trunk on

D switchport mode trunk

Q2: What VTP mode allows you to change VLAN information on the switch?

A Client


C Server

D Transparent

Q3: You connect a host to a switch port, but the new host cannot log into the server that is plugged into the same switch. What could the problem be?

A The router is not configured for the new host.

B The VTP configuration on the switch is not updated for the new host.

C The host has an invalid MAC address.

D The switch port the host is connected to is not configured to the correct VLAN membership.

Q4: A switch has been configured for three different VLANs: VLAN2, VLAN3, and VLAN4. A router has been added to provide communication between the VLANs. What type of interface is necessary on the router if only one connection is to be made between the router and the switch?

A 10Mbps Ethernet

B 56Kbps Serial

C 100Mbps Ethernet

D 1Gbps Ethernet

Q5: Which of the following is true regarding VTP?

A All switches are VTP servers by default.

B All switches are VTP transparent by default.

C VTP is on by default with a domain name of Cisco on all Cisco switches.

D All switches are VTP clients by default.

Q6: Which switching technology reduces the size of a broadcast domain?


B 802.1Q



Which of the following are benefits of VLANs?
  1. They increase the size of collision domains.
  2. They allow logical grouping of users by function.
  3. They can enhance network security.
  4. They increase the size of broadcast domains while decreasing the number of collision domains.
  5. They simplify switch administration.
  6. They increase the number of broadcast domains while decreasing the size of the broadcast domains.

A 1 and 5

B 2 and 4

C 1, 3 and 5

D 2, 3 and 6

Q8: Which of the following is true regarding VLANs?

A You must have at least two VLANs defined in every Cisco switched network.

B All VLANs are configured at the fastest switch and, by default, propagate this information to all other switches.

C You should not have more than 10 switches in the same VTP domain.

D VTP is used to send VLAN information to switches in a configured VTP domain.

Q9: Which protocol reduces administrative overhead in a switched network by allowing the configuration of a new VLAN to be distributed to all the switches in a domain?





Q10: When a new trunk link is configured on an IOS-based switch, which VLANs are allowed over the link?

A By default, all VLANs are allowed on the trunk.

B No VLAN's are allowed, you must configure each VLAN by hand.

C Only configured VLAN's are allowed on the link.

D Only extended VLAN's are allowed by default.

Which of the following modes are valid when a switch port is used as a VLAN trunk?
  1. Blocking
  2. Dynamic auto
  3. Dynamic desirable
  4. Nonegotiate
  5. Access
  6. Learning

A 1, 2 and 6

B 2, 3 and 4

C 4, 5 and 6

D 2, 4, and 5

To configure the VLAN trunking protocol to communicate VLAN information between two switches, what two requirements must be met?
  1. Each end of the trunk link must be set to the IEEE 802.1e encapsulation.
  2. The VTP management domain name of both switches must be set the same.
  3. All ports on both the switches must be set as access ports.
  4. One of the two switches must be configured as a VTP server.
  5. A rollover cable is required to connect the two switches together.
  6. A router must be used to forward VTP traffic between VLANs.

A 1, 2 and 4

B 3, 5 and 6

C 2 and 4

D 1 and 6

Q13: You want to improve network performance by increasing the bandwidth available to hosts and limit the size of the broadcast domains. Which of the following options will achieve this goal?

A Managed hubs

B Bridges

C Switches

D Switches configured with VLANs

Q14: Which command will configure a switch port to use the IEEE standard method of inserting VLAN membership information into Ethernet frames?

Switch(config)# switchport trunk encapsulation isl

Switch(config)# switchport trunk encapsulation ietf

Switch(config)# switchport trunk encapsulation dot1q

Switch(config-if)# switchport trunk encapsulation isl

Switch(config-if)# switchport trunk encapsulation dot1q

Which of the following protocols are used to configure trunking on a switch?
  1. VLAN Trunk Protocol
  2. VLAN
  3. 802.1Q
  4. ISL

A 1 only

B 3 only

C 3 and 4

D 1, 3 and 4

Q16: Which of the following is an IEEE standard for frame tagging?


B 802.3Z

C 802.1Q

D 802.3U

Which of the following provide inter-switch VLAN communication?
  1. ISL
  2. VTP
  3. 802.1Q
  4. 802.3Z

A 2 only

B 1 and 3

C 2 and 4

D 2, 3 and 4

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