Salesforce Certified Platform Developer II (PDII) Exam (Plat-Dev-301) - Salesforce

Instead of waiting to send emails to support personnel directly from the finish method of a batch Apex process, Universal Containers wants to notify an external system in the event that an unhandled exception occurs.<br />
<br />
What is the appropriate publish/subscribe logic to meet this requirement?

A developer is asked to develop a new AppFxchange application. A feature of the program creates Survey records when a Case reaches a certain stage and is of a certain Record Type. This feature needs to be configurable, as different Salesforce instances require Surveys at different times. Additionally, the out-of-the-box AppExchange app needs to come with a set of best practice settings that apply to most customers.<br />
<br />
What should the developer use to store and package the custom configuration settings for the app?

A user receives the generic "An internal server error has occurred” while interacting with a custom Lightning component.<br />
<br />
What should the developer do to ensure a more meaningful message?

Universal Containers develops a Visualforce page that requires the inclusion of external JavaScript and C55 files. They want to ensure efficient loading and caching of the page.<br />
<br />
Which feature should be utilized to achieve this goal?

A company manages information about their product offerings in custom objects named Catalog and Catalog Item. Catalog Item has a master-detail field to Catalog, and each Catalog may have as many<br />
as 100,000<br />
Catalog Items. Both custom objects have a CurrencylsoCode text field that contains the currency code they should use. If a Catalog's CurrencylsoCode changes, all of its Catalog Items’ CurrencylsoCodes should be changed as well.<br />
<br />
What should a developer use to update the CurrencylsoCodes on the Catalog Items<br />
<br />
when the Catalog's CurrencylsoCode changes?