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54 Cards in this Set

  • Front
  • Back
What is a VLAN?
a logical broadcast domain tha can span multiple physical LAN segments
For a VLAN to span across multiple switches, what is required to connect two switches?
a trunk
What are the VLAN membership modes to which a Catalyst switch port can belong to?
- Static
- Dynamic
What command is used when adding a VLAN?
vlan
What command is used to configure the ID of the VLAN to be added and configured?
vlan [vlan-id]
What command is used to specify a VALN name?
name [vlan-name]
How many characters can a vlan name be?
32 ASCII
What command is used to verify a recent configuration change or to view the VTP configuration information?
show vtp status
What command is used to display information on all configured VLANs?
show vlan
To add, change, or delete VLANs, you would put the switch into what two modes?
VTP server or transparent mode
In which mode would the changes to a VLAN automatically be propagated to other switches in the VTP domain?

VTP server or transparent mode
VTP Server mode
Describe the IEEE 802.1Q protocol:
Its a trunking protocol that interconnects multiple switches and routers and defines VLAN topologies.
What type of spanning tree does 802.1Q use?
mono spanning tree (MST)
Describe ISL Trunking?
A Cisco proprietary protocol that interconnects multiple switches and maintains VLAN capabilities while maintaining full wire-speed peformance.
What are the four options for the switchport mode command:
- trunk
- access
- dynamic desirable
- dynamic auto
Which option for the switchport mode command confgures the port into permanent 802.1Q trunk mode and negotiates with the connected device to convert the link to trunk mode?
trunk
Which option for the switchport mode command disables port trunk mode and negotiates with the connected device to convert the link to trunk mode?
access
Which option for the switchport mode command triggers the port to negotiate the link from nontrunk to trunk mode?
dynamic desirable
Which option for the switchport mode command enables a port to become a trunk only if the connected device has the state set to trunk or desireable?
dynamic auto
Describe the VLAN Trunking Protocol (VTP).
A layer 2 messaging protocol that maintains VLAN configuration consistency by managing the additions, deletions, and name changes of VLANs across networks.
What is a VTP domain?
an adminstrative domain consisting of one switch or several interconnected switches that share the same VTP environment
What are the three modes a VTP can operate in?
- Server mode
- Transparent mode
- Client mode
What the default VTP mode
Server mode
In which VTP mode are chnges to VLAN on a VTP server propagted to all switches in the VTP domain?
Server mode
When using VTP transparent mode, are changes to the VLAN propagated to the other switches?
No
Can you make changes when in VTP client mode?
No
Describe VTP pruning.
VTP pruning uses VLAN advertisements to determine when a trunk connection is needlessly flooding traffic.
Where does Inter-VLAN communication occur?
Between broadcast domains through a Layer 3 device
The configuration between a router and a core switch is sometimes referred to as __________.
router-on-a-stick
Which feature is required for a VLAN to span two switches?

A. A trunk to connect the switches.
B. A router to connect the switches.
C. A bridge to connect the switches
D. A VLAN configured between the switches
A
What are two reasons that network administrators use ISL? (Choose two)

A. To maintain redundant links
B. To allow clients to see the ISL header
C. To provide inter-VLAN communications over a bridge
D. To provide tunking between Cisco switches and other vendor switches
E. To load balance traffic between parallel links using STP
A, E
What is required to support the ISL feature between two devices?

A. Being ISL-capable
B. Running Cisco IOS
C. Being VLAN-capable
D. Being 802.1Q-capable
A
What primary benefit does VTP offer?

A. Allows trunking to provide redundancy
B. Minimizes redundancy on a switched network
C. Allows you to run several VLANs over a single trunk
D. Minimizes misconfigurations and configuration inconsistencies
D
How many VTP domains can you configure for a switch?

A. 1
B. 2
C. 4
D. 8
A
What command correctly configures a switch for transparent mode in the VTP domain "AccessSwitch?"

A. vtp mode trunk on
B. vtp mode transparent
C. vtp domain AccessSwitch
D. vtp domain AccessSwitch transparent
B
What is the default VTP mode on a Catalyst switch?

A. Off
B. Client
C. Server
D. Transparent
C
If you group 802.1Q trunks into EtherChannel port groups, what guideline must you follow?

A. Each port in the group must be a secure port
B. Each trunk in the group can have its own configuration
C. All ports must follow the parameters set for the first port that is added to the group
D. All trunks must follow the parameters set for the first trunk that is added to the group
C
When you are deleting a VLAN from a VTP domain, where must the change be performed?

A. On a switch in VTP server mode
B. On every switch in VTP client mode
C. On a switch in VTP tranparent mode
D. On every switch, regardless of VTP mode
A
What precaution must you take when redeploying a switch to a new VTP domain in the network?

A. Set a unique VTP password on the switch for security
B. Preconfigure all VLANs in the new VTP domain on the switch
C. Verify the VTP revision numbe ris lower than the existing domain.
D. COnfigure the switch to VTP transparent mode to minimize impact
C
Suppose that the VTP is not updating the configuration on other switches when the VLAN configuration changes. Which command do you use to determine if the switch is in VTP transparent mode?

A. show trunk
B. show spantree
C. show interfaces
D. show vtp status
D
What command correctly assigns a subinterface to VLAN 50 using 802.1Q trunking?

A. Router(config)#encapsulation 50 dot1Q
B. Router(config)#encapsulation 802.1Q 50
C. Router(config-if)#encapsulation dot1Q 50
D. Router(config-if)#encapsulation 50 802.1Q
C
In which mode is a VTP switch operating if it has been configured to only forward VTP advertisements?

A. Client
B. Root
C. Server
D. Transparent
E. Nontransparent
D
Two hosts are connected to the same switch, but on different VLANs. Which of the following statements is true regarding communcations between two hosts?

A. A bridge can connect the two hosts to allow them to communicate
B. A router is required for communication between the hosts
C. The hosts must be connect to two different switches in order for communication to be established between them
D. The hosts should be able to communicate without additional intervention
E. The VLANs must be connected with a VLAN network
B
What must be used to provide routed communication between multiple VLANs over a single router interface?

A. A single logical interface
B. Logical subinterfaces
C. A NIC that supports trunking
D. A multiport transceiver
E. Multiples physical interfaces
F. Multiple switches links to the router
B
Which feature is required for a VLAN to span two switches?

A. A trunk to connect the switches
B. A router to connect the switches
C. A bridge to connect the switches
D. A VLAN configured between the switches
A
What does a VLAN Membership Policy Server (VMPS) map to VLAN assignments?

A. Host IDs
B. Usernames
C. IP addresses
D. MAC addresses
D
What is the default VTP mode on a Catalyst switch?

A. Off
B. Client
C. Server
D. Transparent
C
What is the logical sequence for configuring a Catalyst switch port to be in VLAN 3?

A. Create the VLAN, and then assign the port to the VLAN
B. Assign the port to the VLAN; all VLANs are created by default
C. Create the VLAN, assign ports to it, and then configure VTP
D. Assign the port to the VLAN; this also creates the VLAN with a default name
A
How many VLANs can a port belong to at one time?

A. Only one VLAN
B. Up to 64 VLANs
C. Up to 128 VLANs
D. One or two VLANs
A
Which of the following best describes what the show vlan command displays?

A. VTP domain parmeters
B. VMPS server configuration parameters
C. The ports that are members of each VLAN
D. Names of the VLANs and the ports assigned to them
D
Which command display the spanning-tree configuration status of the ports on a Catalyst 2950 series switch?

A. show vlan
B. show trunk
C. show spanning-tree
D. show spantree config
C
How do VLANs help the network administrator organize the network? (Choose three)

A. They allow the administrator to change LAN configurations easily
B. They allow the administrator to place enterprise servers anywhere in the network
C. They allow the administrator to add or move workstations easily
D. VLANs allow for scalability by allowing infinite sumber of subnets
E. They allow the administrator to group users by function rather than by location
F. VLANs eliminate the need for cumbersome and perplexing IP subnet schemes
C
Which of the following can assist a network engineer in troubleshooting a probelm on a switched network? (Choose two)

A. Start with the network as a whole and work inward
B. Determine if the problem is isolated or recurring
C. Check the link to the router and the IP addressing scheme
D. Check the cwitchport LED status for physical inidications of problems
E. Verify that 80 percent of network traffic is flowing over the campus backbone
B, D
Which of the following are characteristics of static VLANs? (Choose three)

A. Each port is associated with a specific VLAN
B. Ports work out their configuration
C. Manual configuration of port assignments is required
D. Less administrative overhead is involved when users are moved
E. Static VLANs require administrator interaction when users are moved
F. The configuration is based on a database
A, C, E