01
True or false
1 point
A Layer 2 switch floods a broadcast frame within its VLAN rather than forwarding it into every VLAN. True or false?
Free Practice Quiz Question List
2 Switching, VLANs, and Wireless Networks Online Quiz Questions
Use this free practice quiz with 20 questions to review 2 Switching, VLANs, and Wireless Networks, test your knowledge, and prepare for your next test or exam.
20 questions
02
Choose one
1 point
A switch receives a frame for a destination MAC address that is not in its MAC address table. What does it do with the frame?
- A
Send the frame only to the default gateway
- B
Flood the frame out eligible ports in the same VLAN, except the ingress port
- C
Flood the frame out every port in every VLAN
- D
Drop the frame because the destination is not in the table
03
Fill in the blank
1 point
An access port normally carries one VLAN. Frames sent to and from the end device are , and the switch associates incoming frames with the port's configured .
04
Written response
1 point
What is the standard abbreviation for the WLAN name that clients select?
05
True or false
1 point
PortFast should be enabled on ordinary switch-to-switch links so that spanning tree forwards on them immediately. True or false?
- A
True
- B
False
06
Choose one
1 point
What is the purpose of the native VLAN on an 802.1Q trunk?
- A
The VLAN used only for broadcast frames
- B
The VLAN that carries all tagged traffic
- C
The VLAN used for untagged traffic on the trunk
- D
The VLAN that provides the router's default gateway
07
Choose all
1 point
Which LACP mode pairings can negotiate an EtherChannel? Select all correct answers.
- A
Both ends use active mode
- B
One end uses active mode and the other uses passive mode
- C
Both ends use passive mode
- D
One end uses passive mode and the other does not run LACP
08
Written response
1 point
Which Cisco IOS command provides a summary for verifying whether an EtherChannel bundle has formed?
09
Choose one
1 point
A correctly formed EtherChannel has multiple physical links, but one data conversation does not necessarily receive the bundle's full aggregate bandwidth. Why?
- A
STP blocks all but one physical member link in a correctly formed bundle
- B
A single conversation may hash to one member link rather than using the entire bundle
- C
LACP limits each conversation to the speed of the slowest VLAN
- D
Only broadcast traffic is distributed across EtherChannel members
10
Choose all
1 point
A wireless client associates with an AP but cannot reach network services. Which checks could help identify the cause? Select all correct answers.
- A
The AP-to-switch connection
- B
The VLAN assignment
- C
DHCP service
- D
Gateway reachability
- E
The client's association status alone as proof that IP services are working
11
Fill in the blank
1 point
In a router-on-a-stick configuration, a subinterface for VLAN 20 can identify its VLAN with the command encapsulation 20.
12
Choose one
1 point
Two switches have equal configured STP priorities. Which criterion determines which has the lower bridge ID and is elected root bridge?
- A
The switch with the highest MAC address
- B
The switch with the lowest MAC address
- C
The switch with the most forwarding ports
- D
The switch with the highest number of VLANs
13
Open ended
1 point
A small network has hosts in VLANs 10 and 20 and will use router-on-a-stick for inter-VLAN communication. Describe the required switch-to-router link, router configuration, and host IP settings.
14
Choose one
1 point
For a 2.4-GHz WLAN in the United States, which channel set consists of the commonly used nonoverlapping channels?
- A
Channels 1, 6, and 11
- B
Channels 1, 5, and 9
- C
Channels 2, 7, and 12
- D
Channels 3, 8, and 13
15
Choose one
1 point
A switch receives a unicast frame whose destination MAC address is not in its MAC address table. What does the switch do?
- A
Send the frame to the default gateway
- B
Flood the frame out eligible ports in the same VLAN, except the ingress port
- C
Flood the frame out every port on the switch, including ports in other VLANs
- D
Drop the frame and remove the source MAC address from the table
16
Choose one
1 point
Two switches are connected by an 802.1Q trunk, but their native VLAN settings differ. Which change best addresses the mismatch?
- A
Set the ends to different native VLANs so each VLAN has its own direction
- B
Disable VLAN tagging at both ends
- C
Configure the same native VLAN at both ends
- D
Make the link an access port on one end and a trunk on the other
17
Written response
1 point
You need to check which VLAN an access port belongs to and inspect the port state. Enter the Cisco IOS command that provides this information.
18
Choose one
1 point
A small network needs routing between two VLANs, and the router will connect to the switch using a single physical link. Which design meets this requirement?
- A
Assign every host to the same IP subnet and use no gateways
- B
Use an access port to connect the router and create a separate physical router interface for every host
- C
Enable PortFast on the trunk so the router can route between VLANs
- D
Configure a switch trunk to the router and create tagged router subinterfaces for the VLANs
19
Written response
1 point
One switch port is configured for LACP passive. What LACP mode must the peer use at minimum for negotiation to start? Enter the mode name.
20
True or false
1 point
True or false: A single conversation carried over an EtherChannel is guaranteed to receive the bundle’s total bandwidth.
- A
True
- B
False
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