70-332 · Question #74
You are configuring the ProseWeb site. You need to ensure that the site content displays correctly on all devices. What should you do?
The correct answer is E. Configure a device channel. Specify the value $FALLBACKMOBILEUSERAGENTS for the device inclusion rule. SharePoint device channels allow publishing sites to serve different master pages based on user agent strings, and the $FALLBACKMOBILEUSERAGENTS variable targets all mobile devices not covered by other channels.
Question
Options
- ACreate a composed look and select the Mobile View option.
- BConfigure a browser-coded device channel and set the value to Mobile.
- CActivate the Enable Mobile Views feature on the website.
- DConfigure a device channel. Specify the value MSIE10.0 for the device inclusion rule.
- EConfigure a device channel. Specify the value $FALLBACKMOBILEUSERAGENTS for the device inclusion rule.
How the community answered
(48 responses)- A13% (6)
- B8% (4)
- C2% (1)
- D2% (1)
- E75% (36)
Why each option
SharePoint device channels allow publishing sites to serve different master pages based on user agent strings, and the $FALLBACKMOBILEUSERAGENTS variable targets all mobile devices not covered by other channels.
Composed looks control visual themes and branding colors, not device-specific master page rendering for mobile.
'Browser-coded' is not a valid device channel configuration option in SharePoint; device inclusion rules use user agent substrings or built-in variables.
There is no 'Enable Mobile Views' site feature in SharePoint Publishing infrastructure; device channels are configured at the site level, not activated as a feature.
MSIE10.0 targets only Internet Explorer 10 user agents, not all mobile devices, so content would not display correctly across all devices.
The $FALLBACKMOBILEUSERAGENTS built-in variable in SharePoint device channel rules matches any mobile user agent string not already claimed by a more specific channel. Configuring a device channel with this value ensures all mobile devices receive a mobile-optimized rendering without needing to enumerate individual user agent strings. This is the recommended approach for a catch-all mobile channel on SharePoint Publishing sites.
Concept tested: SharePoint device channels with fallback mobile user agent rule
Source: https://learn.microsoft.com/en-us/sharepoint/dev/general-development/how-to-add-a-device-channel-panel-snippet-in-sharepoint
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