A hospital uses a WLAN to stream medical imaging to tablets. After enabling multicast on the WLC, some tablets do not receive the stream even though they are connected to the same SSID. IGMP snooping is enabled. What is the most likely cause and the appropriate first step to resolve the issue?

Multicast is disabled on the AP radio; enable it in the AP radio settings

The WLC multicast group address is misconfigured; change it to match the server's IP

The tablets have not sent IGMP membership reports; verify IGMP snooping and client membership

The tablets are on a different VLAN; configure the WLC to bridge multicast across VLANs

When is unicast forwarding preferred over multicast forwarding in a WLAN?

When the multicast group is large and spans multiple access points.

When the traffic is a real-time video stream that requires low latency.

When the traffic is broadcast-like, such as a network announcement that all clients should receive.

When only one client is interested in the traffic and reliability is important.

A company is deploying a WLAN for a small office where a few clients will receive a multicast video stream. The network administrator wants to minimize airtime usage while ensuring that all clients receive the stream. What should the administrator configure?

Disable IGMP snooping to allow multicast to be broadcast to all clients

Enable multicast-to-unicast conversion for the office SSID

Use native multicast forwarding with IGMP snooping and set the multicast data rate to the highest supported rate

Set the multicast group address to a unicast address

A network administrator is troubleshooting a multicast issue on a WLAN. Clients are able to receive multicast traffic from some APs but not others. The WLC has IGMP snooping enabled. What should the administrator check?

Check the multicast group address configuration on the WLC

Disable IGMP snooping on the WLC to force multicast to all APs

Verify that the APs that are not delivering multicast have clients that have sent IGMP reports

Check the AP's multicast rate setting

An enterprise is configuring a WLAN for a live event where a multicast video stream will be sent to a large audience. The network administrator wants to ensure that only clients that have explicitly joined the multicast group receive the stream, and that the stream is delivered efficiently. Which configuration should be applied on the WLC?

Configure the WLC to use broadcast forwarding for the multicast group

Enable IGMP snooping and configure the multicast group address

Enable multicast-to-unicast conversion and set the multicast data rate to 1 Mbps

Disable IGMP snooping and enable multicast-to-unicast conversion

CiscoCertified Network Professional Enterprise Wireless (ENWLSI)

Domain 3Objective 3

3.3 Implement Multicast on a WLAN 300-430 Practice Questions (Page 1)

Part of the Multicast domain, which accounts for 10% of the 300-430 exam. Cisco does not publish an official question count, but from its 90-minute exam (~35–60 total, ~4–6 in this domain), expect 1–1 from this objective — we provide 23 practice questions to prepare you well beyond it. (estimate)

23questions here

5free pages

6concepts

10%of the exam

Questions 1–5

1application · medium
A hospital uses a WLAN to stream medical imaging to tablets. After enabling multicast on the WLC, some tablets do not receive the stream even though they are connected to the same SSID. IGMP snooping is enabled. What is the most likely cause and the appropriate first step to resolve the issue?
Select an answer first
2foundation · easy
When is unicast forwarding preferred over multicast forwarding in a WLAN?
Select an answer first
3application · medium
A company is deploying a WLAN for a small office where a few clients will receive a multicast video stream. The network administrator wants to minimize airtime usage while ensuring that all clients receive the stream. What should the administrator configure?
Select an answer first
4application · medium
A network administrator is troubleshooting a multicast issue on a WLAN. Clients are able to receive multicast traffic from some APs but not others. The WLC has IGMP snooping enabled. What should the administrator check?
Select an answer first
5application · medium
An enterprise is configuring a WLAN for a live event where a multicast video stream will be sent to a large audience. The network administrator wants to ensure that only clients that have explicitly joined the multicast group receive the stream, and that the stream is delivered efficiently. Which configuration should be applied on the WLC?
Select an answer first

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