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Cisco > VLAN > Flashcards

VLAN Flashcards

1
Q

Refer to the exhibit. After receiving a console notification on Switch 2 the network admin begins to troubleshoot the trunk link thats between switch 1 and switch 2. Which configuration change can be made to correct the problem with the trunk link?
(show interface, interface id, trunk port command)

A

Change the native VLAN on Switch2 interface Fa0/1 to VLAN 100.

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2
Q

Which three statements are typical characteristics of VLAN arrangements?

A

Connectivity between VLANs requires a Layer 3 device.
Each VLAN uses a separate address space.
A switch maintains a separate bridging table for each VLAN.

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3
Q

Refer to the exhibit. What is true of the configuration of switch 1?
(Show interfaces trunk command)

A

Switch ports Fa0/1 and Fa0/3 are configured to carry data from multiple VLANs.

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4
Q

A switch is configured with all ports assigned to VLAN2, with full duplex, fast-ethernet to segment existing departmental traffic. What is the effect of adding switch ports to a new VLAN on the switch?

A

An additional broadcast domain will be created.

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5
Q

By default, each port in a Cisco Catalyst switch is assigned to VLAN 1 which two recommendations are key to avoid unauthorized management access?

A

Move the management VLAN to something other than default.

Shutdown all unused ports in the Catalyst switch.

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6
Q

What are three advantages of VLANs?

A

VLANs establish broadcast domains in switched networks.
VLANs allow access to network services based on department, not physical location.
VLANs great simplify adding, moving, or changing hosts on the network.

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7
Q

A network associate is trying to understand the operation of the FLD Corporation by studying the network in the exhibit. The associates knows the server in VLAN 4 provides the necessary resources to support the user hosts in the other VLANs. The associate needs to determine which interfaces are access ports. Which interfaces are access ports? (3 choices with diagram)

A

Switch 1-Fa0/2
Switch 2-Fa0/3
Switch 2-Fa0/4

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8
Q

Refer to the exhibit. Computer A sends a broadcast message. Which devices will see the broadcast?

+1
Trunking

A

Computer C and Router 1

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9
Q

Refer to the exhibit. What will allow a host that is connected to switch X in VLAN 10 to communicate with a host that is connected to Switch Y also in VLAN 10?

A

Trunking

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10
Q

Refer to exhibit. Host A is sending a frame to Host C. How does switch SWA tag the frame?

A

It tags the fram with VLAN 99 and sends it to Host C.

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11
Q

Which two statements about the use of VLANs to segment a network are true?

VLANs increase the size of collision domains.
VLANs allow logical grouping of users by function.
VLANs simplify switch administration.
VLANs enhance network security.

A

VLANs allow logical grouping of users by function.

VLANs enhance network security.

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12
Q

Refer to the exhibit. A network associate needs to configure the switches and router in the graphic so that the hosts in VLAN 3 and VLAN 4 communicate with the Enterprise server VLAN 2. Which two ethernet segments will need to be configured as trunk links?

A

C and F

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13
Q

Cisco Catalyst switches Cat 1 and Cat 2 have a connection between them using ports Fast Ethernet 0/13. An 802.1Q trunk is configured between the two switches. In Cat1 VLAN 10 is chosen as native, but on Cat2 the native VLAN is not specified. What will happen in this scenario?

A

A native VLAN mismatch error message will appear.

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14
Q

Refer to the diagram. All hosts have connectivity with one another. Which statements describe the addressing scheme that is used throughout the network? (Subnetting)

A

The subnet mask in use is 255.255.255.128
The IP address 172.16.1.25 can be assigned to hosts in VLAN 1.
The LAN interface of the router is configured with multiple IP addresses

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15
Q

Exhibit. What is the purpose of the configuration commands that are shown?
(switchport access configuration)

A

To make the port a member of VLAN 30

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16
Q

Refer to the exhibit. Network admin. configures both switches as displayed however Host C is unable to ping Host D. and Host E is unable to ping Host F. What action should the admin take to enable this communication?
(diagram uses two show run commands)

A

Configure one trunk port in the dynamic desirable mode.

17
Q

Which three statements accurately describe VLAN types?

A

A management VLAN is any VLAN that is configured to access management features of the switch.
After the initial boot of an unconfigured switch, all ports are members of the default VLAN.
An 802.1Q trunk port, with a native VLAN assigned, supports both tagged and untagged traffic.

18
Q

A network tech notes that ports FastEthernet 0/9 through 0/12 on a switch have been assigned to VLAN 40. VLAN 40 however was improperly named and the technician deletes it. What happens to the ports that were assigned to VLAN 40?

A

All VLAN 40 member ports will be unable to communicate with any other stations

19
Q

Which type of VLAN would accommodate untagged traffic on an 802.1Q trunk port?

A

Native

20
Q

Exhibit. Users complain that they do not have connectivity to a web server that is connected to SW1. What should be done to remedy the problem? (using show interface, interface id, switchport command)

A

Configure VLAN 100 as the native VLAN for SW1.

21
Q

Refer to the exhibit. VLAN 20 was recently added on the network. Users on VLAN 20 on SW1 start complaining that they do not have connectivity to the users on the same vlan on SW2. What should be done to remedy the problem? (show interface,interface id, trunk command)

A

Include VLAN 20 in the list of allowed VLANs on the trunk link on SW2.

22
Q

Refer to exhibit. Network admin issues the show interfaces fastethernet 0/8 switchport command to check the status of the port. what can be concluded from the output? (diagram)

A

Port Fa0/8 is configured in access mode and associated with VLAN 1.

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