Salesforce-Slack-Administrator Exam Dumps : Salesforce Certified Slack Administrator (Slack-Admn-201)

Slack's recommendation for secure external collaboration is:

"Single-Channel Guests are ideal for providing external users with access to only one channel, maintaining strict control over permissions and access."

Multi-Channel Guests (B, C) grant access to multiple channels, which is unnecessary and riskier. Creating a new workspace (A) adds administrative burden and is unnecessary for one project.

(Reference: Slack Administration Study Guide - Managing External Users via Guest Roles)

Since Preethi needs access to multiple channels but only for a limited time:

"A Multi-channel Guest is the best choice when someone needs access to more than one channel but does not need full member access across the workspace. You can also set an expiration date for their access."

Single-channel Guest would be too limiting, and full Member access would provide more access than necessary, posing a security risk.

(Reference: Slack Administration Study Guide - Managing Guest Access)

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Slack official plan features state:

"Customizable message and file retention policies are available on Pro, Business+, and Enterprise Grid plans."

Free plan (C) does not support customizable retention. It's limited to 90 days history unless upgraded. Enterprise Grid-only (D) is too restrictive.

(Reference: Slack Administration Study Guide - Message and File Retention Policies)