5.12.5
Which of the following is an appropriate definition of a VLAN? -A device used to filter WAN traffic. -A device used to route traffic between separate networks. -A physical collection of devices that belong together and are connected to the same wire or physical switch. -A logical grouping of devices based on service need, protocol, or other criteria.
A logical grouping of devices based on service need, protocol, or other criteria.
Which 802.1Q priority is IP phone traffic on a voice VLAN tagged with by default? -1 -5 -3 -8
5
You are adding switches to your network to support additional VLANs. Unfortunately, the new switches are from a different vendor than the current switches. Which standard do you need to ensure that the switches are supported? -802.1Q -802.11 -802.1x -802.3
802.1Q
The IT manager has asked you to create four new VLANs for a new department. As you are going through the VLAN configurations, you find some VLANs numbered 1002-1005. However, they are not in use. What should you do with these VLANs? -Delete them since they are not being used. -Configure them so they can be used on the new network. -Nothing. They are reserved and cannot be used or deleted. -Renumber them and assign them to ports on the switch.
Nothing. They are reserved and cannot be used or deleted.
A virtual LAN can be created using which of the following? -Gateway -Hub -Switch -Router
Switch
When configuring VLANs on a switch, what is used to identify which VLAN a device belongs to? -MAC address -IP address -Host name -Switch port
Switch port
You run a small network for your business that has a single router connected to the internet and a single switch. You keep sensitive documents on a computer that you would like to keep isolated from other computers on the network. Other hosts on the network should not be able to communicate with this computer through the switch, but you still need to access the network through the computer. What should you use for this situation? -VPN -Port security -VLAN -Spanning Tree Protocol
VLAN
You manage a network that uses a single switch. All ports within your building connect through the single switch. In the lobby of your building are three RJ-45 ports connected to the switch. You want to allow visitors to plug into these ports to gain internet access, but they should not have access to any other devices on your private network. Employees connected throughout the rest of your building should have both private and internet access. Which feature should you implement? -NAT -DMZ -Port authentication -VLANs
VLANs
The IT manager has asked you to create a separate VLAN to be used exclusively for wireless guest devices to connect to. Which of the following is the primary benefit of creating this VLAN? -You can create a wireless guest network more affordably with a VLAN than you can with a router. -You can load-balance wireless guest network traffic to have a lower priority than the rest of the traffic on the network. -You can control broadcast traffic and create a collision domain for just the wireless guest devices. -You can control security by isolating wireless guest devices within this VLAN.
You can control security by isolating wireless guest devices within this VLAN.
You are creating a VLAN for voice over IP (VoIP). Which command should you use? -switchport voice vlan [number] -switchport vlan voice [number] -switchport vlan voip [number] -switchport voip vlan [number]
switchport voice vlan [number]
