A client wants to ensure that only specific components are available to content authors when using an editable template in AEM. Additionally, they require that certain fields within a content fragment model adhere to strict validation rules for data integrity.
Which two steps would the developer take to meet both requirements? (Choose two.)

A developer needs to upgrade an existing custom component based on Core Components Version 1 (v1) to Core Components Version 2 (v2).
How should the developer upgrade to this version?

A website hosted on AEM as a Cloud Service features site page content search as part of their user experience. The search internally uses JCR Queries for content search based on tags. The content has been indexed adequately.
Which approach is recommended to make the index available across all the environments?

How would a developer create a new Adobe Experience Manager project version 2.0 for 6.5 using the Adobe Experience Manager Maven Archetype with package com.mysite?
A)
mvn -B org.apache.maven.plugins:maven-archetype-plugin:3.2.1:generate \
-D archetypeGroupld=com.mysite \
-D archetypeArtifactld=aem-project-archetype \
-D archetypeVersion=6.5 \
-D appTitle="My Site" \
-D appld="com.adobe.aem" \
-D version="latest" \
-D aemVersion="2.0"
B)
mvn -B org.apache.maven.plugins:maven-archetype-plugin:3.2.1:generate \
-D archetypeGroupld=com.adobe.aem \
-D archetypeArtifactld=aem-project-archetype \
-D archetypeVersion=50 \
-D appTitle="My Site" \
-D appld="mysite" \
-D groupld="com.mysite" \
-D version="2.0" \
-D aemVersion="6.5"
C)
mvn -B org.apache.maven.plugins:maven-archetype-plugin:3.2.1:generate \
-D archetypeGroupld=com.adobe.aem \
-D archetypeArtifactld=aem-project-archetype \
-D archetypeVersion=${jabebrrl_nmqjiwqo} \
-D appTitle="My Site" \
-D appld="siteld" \
-D groupld="com.mysite" \
-D version="2.0" \
-D aemVersion="latest"

Given the following error:
[ERROR] org.acme:mybundle:0.0.1-SNAPSHOT: Bundle org.acme:mybundle:0.0.1-SNAPSHOT is exporting package org.acme.foo without a version.
What are the appropriate troubleshooting steps for addressing this error?