Explanation:

Auto-Response Rules
Automatically send acknowledgment emails when a case is created.
Ideal for the requirement: “acknowledged immediately via email.”

Queues
Assign cases to groups of agents rather than individual users.
Cases can be automatically routed to the appropriate agent queue based on criteria (e.g., Case Reason = Installation).

Escalation Rules
Automatically escalate cases that are not resolved within a specified time.
Here, “cases still in New status after 4 hours must be escalated” is handled by an Escalation Rule.

❌ Incorrect Options:

A. Auto-response rules, Macros, Entitlements
Macros automate repetitive tasks but do not assign or escalate cases automatically.
Entitlements track service levels but are not used for assignment or acknowledgment email automation.

B. Auto-response rules, Queues, Macros
Macros cannot escalate cases automatically.

D. Auto-response rules, Entitlements, Escalation Rules
Entitlements track service contracts, not routing to agents.
While Escalation Rules handle the 4-hour escalation, the assignment to agents is better done via Queues.

Summary:
To meet the policy for Installation cases:
Auto-response rules → send acknowledgment emails immediately.
Queues → assign cases to the appropriate group of agents.
Escalation rules → escalate cases that remain in New status after 4 hours.
This combination ensures timely acknowledgment, proper assignment, and escalation.

Reference:
Salesforce Help: Auto-Response Rules
Salesforce Help: Queues
Salesforce Help: Escalation Rules

Explanation

Flow Builder is an automation tool that can be used to create guided, streamlined user experiences for data entry. By creating a Screen Flow, the administrator can design a simple, uncluttered multi-screen interface that asks the business development team for only essential information first, potentially using conditional logic to show fewer fields initially. This approach significantly simplifies the user experience for account creation compared to the standard, field-heavy page layout.

Why other options are incorrect

A. Approval process: An approval process manages the approval or rejection of records that have already been created and submitted. It does not simplify the initial creation process.

B. Workflow rule: Workflow rules are used for simple, automated background tasks (field updates, email alerts, etc.). They cannot be used to modify the user interface dynamically to reduce field visibility during data entry.

D. Validation rule: Validation rules enforce data integrity by preventing users from saving a record if specific criteria are not met. They add friction to the process if criteria fail, they do not simplify the number of fields a user sees or has to fill out initially.

Explanation:

A. IP address restrictions are set on the profile or globally for the org (✅ Correct)
Salesforce allows administrators to define allowed IP ranges:
Globally: Setup → Network Access (applies to all users).
Profile level: Setup → Profiles → Login IP Ranges (applies to users with that profile).
Users can only log in from IP addresses within the defined ranges.

C. Enforce Login IP Ranges on Every Request (✅ Correct)
By default, IP restrictions are checked only at login.
Selecting “Enforce Login IP Ranges on Every Request” ensures that users cannot access Salesforce if they move outside the allowed IP range during an active session.

❌ Incorrect Options:

B. Assign single sign-on to a permission set
Single Sign-On allows users to log in via an external identity provider.
It does not enforce IP restrictions.

D. Restrict U2F Security Keys on the user's profile
U2F security keys are used for multi-factor authentication, not IP restrictions or login hours.

Summary:
To prevent users from accessing Salesforce from outside a trusted network:
Set IP address restrictions on profiles or globally.
Enable “Enforce Login IP Ranges on Every Request” if you want active sessions to be continuously validated.
This combination ensures that users cannot log in or access Salesforce outside approved network locations.

Reference:
Salesforce Help: Restrict Login Access by IP Address
Trailhead: User Authentication & Access

Explanation:

The standard Lead Rating picklist only has the values "Hot," "Warm," and "Cold." The fact that records were imported with a value of "Unrated" indicates that the system did not enforce the predefined list of values. This behavior is controlled by the "Restrict picklist to the values defined in the value set" setting.

Let's break down each option:

A. The Restricted picklist checkbox was unchecked.
Correct. When the "Restricted picklist" checkbox is unchecked for a picklist field, it means the field will accept values not in the predefined list. This allows for data imports with non-standard values (like "Unrated") and also allows users to type in custom values. This is the direct reason the import succeeded without errors.

B. Field-level security was set to Visible for all profiles.
Incorrect. Field-Level Security (FLS) controls whether a user can see or edit a field. It has no control over which specific data values are considered valid for that field. FLS being visible does not explain how an invalid value was accepted.

C. A global picklist value set was used to populate the picklist.
Incorrect. A Global Value Set is used to create a centralized picklist that can be reused across multiple fields. It would define the values (e.g., Hot, Warm, Cold). If "Unrated" was not in that global value set, and the field was restricted, the import would still fail. This option does not explain the acceptance of the invalid value.

D. The Add to All Record Types checkbox was selected.
Incorrect. This setting controls whether a picklist value is available for selection across all record types for that object. It does not control whether the field itself will accept values outside of its defined list.

Summary:
The "Restricted picklist" setting is a data validation feature for picklist fields. When it is disabled, the field behaves more like a text field, accepting any value.

Reference:
Salesforce Help: "Create Picklists"
The documentation states: "Select Restrict picklist to the values defined in the value set to prevent users from entering values that aren't in the picklist." The scenario described occurs when this box is not selected.

Explanation:

C. Enhanced List in Lightning App Builder
The Enhanced List component allows users to:
- View multiple related records with sortable columns
- See custom fields like Case Name, Case ID, Reason, Status, and Created Date
This is configured in the Lightning App Builder, not the page layout editor.

D. Page Layout Editor for Column Selection
The page layout editor controls which fields appear in the related list on record detail pages.
You must add the desired columns (e.g., Case Reason, Case Status) to the Cases related list on the Contact page layout.
This ensures the correct data is visible when brokers view the contact record.

❌ Why These Are Incorrect
A. Change Related List Type via Page Layout Editor
The related list type (Enhanced vs Basic) is not controlled in the page layout editor.
This is done in the Lightning App Builder.

B. Choose Related List Type as “Related List”
The basic “Related List” type shows limited columns and lacks sorting/filtering.
It doesn’t support the custom column visibility brokers need.

🔗 Referencea
Salesforce Help: Enhanced Related Lists
Trailhead: Customize Record Pages with Lightning App Builder