Explanation
These are two deployment solutions that the consultant should use to ensure skills-based routing is operational in Production. Change Sets are tools that allow administrators to deploy changes from one Salesforce org to another, such as custom objects, fields, workflows, or profiles. Change Sets can be used to deploy the configuration changes related to skills-based routing, such as service channels, routing configurations, or routing rules. Data Loader is a tool that allows administrators to import or export data from Salesforce, such as records, attachments, or documents. Data Loader can be used to migrate the data related to skills-based routing, such as skills, skill assignments, or queues. Verified References: :
https://help.salesforce.com/s/articleView?id=sf.changesets.htm&type=5 :
https://help.salesforce.com/s/articleView?id=sf.data_loader.htm&type=5

Explanation
Field Service is a Salesforce product that enables companies to manage work orders, service appointments, service resources, and service territories. It also provides features such as scheduling optimization, mobile access, and offline support. Field Service is the recommended functionality for scheduling repair service when an agent is unable to solve the customer's problem via the call center. Verified References: Service Cloud Consultant Certification Guide & Tips, Field Service Overview

Explanation
Search Activity Gaps is a Knowledge dashboard that a consultant should use to know where to focus its efforts next after implementing Knowledge Centered Support. Search Activity Gaps shows the number of searches that returned no results, no articles, or no clicked articles. This can help identify the topics or keywords that need more or better articles to satisfy customer needs. Verified References: :
https://help.salesforce.com/s/articleView?id=sf.knowledge_dashboard_search_activity_gaps.htm&type=5 :
https://help.salesforce.com/s/articleView?id=sf.knowledge_dashboard_overview.htm&type=5

Explanation
A Change Set is the deployment solution that a consultant should use to deploy permission sets granting access to objects and fields from one of its sandboxes to Production. A Change Set is a collection of metadata components that can be deployed from one Salesforce org to another. A Change Set can be used to deploy permission sets, which are sets of permissions and settings that grant users access to various tools and functions in Salesforce. Permission sets can be used to extend users' functional access without changing their profiles. Verified References: [Service Cloud Consultant Certification Guide & Tips], Change Sets Overview

Explanation
Email-to-case is a channel that meets the requirements of logging the case thread and storing attachments to the case record. Email-to-case is a feature that allows you to automatically create cases from incoming emails sent to your company's support addresses. Email-to-case preserves email formatting and supports HTML emails with embedded images. Email-to-case also captures email attachments and adds them to the case record. Email-to-case tracks the entire email conversation between the customer and the agent, and logs it as a case thread on the case feed or case comments. Verified References: Service Cloud Consultant Certification Guide & Tips, Email-to-Case Overview