A Network Administrator Migrated the Data for the Corporate Email

question 29

Multiple Choice

A network administrator migrated the data for the corporate email service from one provider to another. All DNS records were successfully changed and verified. However, many hours later, users are still receiving new emails on the old provider's server. Which of the following should the administrator perform NEXT to troubleshoot the issue?

• A) Add a secondary MX server to the DNS records.
• B) Remove old SPF records from the DNS host.
• C) Create a DMARC record that includes the old server.
• D) Check the TTL value on the MX records.

Recognize the properties and significance of a stock's beta coefficient in a diversified portfolio.

Understand the capacity limits of short-term memory.

Recognize the role of expertise in information processing.

Distinguish between different types of memory (e.g., iconic, short-term, long-term).

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Definitions:

Image File

A digital file containing a graphic or photographic image, which can be in various formats like JPEG, PNG, or GIF.

GIF

Graphics Interchange Format; a bitmap image format that supports both animated and static images.

JPEG

A common method of lossy compression for digital images, particularly for those images produced by digital photography.

Local Disk

This refers to the hard drive or solid-state drive that is physically installed in a computer, as opposed to external or networked storage.