CompTIA A+ 2.6 Networking – DNS

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Jonathon E

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DNS

1 / 13

A company wants to ensure their email does not get marked as spam by proving it hasn’t been altered in transit. Which DNS record should they use?

2 / 13

For a website to support IPv6 connectivity, which DNS record should be correctly configured?

3 / 13

A company needs to ensure that emails sent to their domain are correctly routed to their email server. Which DNS record is essential for specifying the server responsible for handling their email traffic?

4 / 13

An organization is setting up a verification method for their domain to enhance email security by validating outbound emails. Which DNS record type should they configure to include digital signatures?

5 / 13

An IT technician is configuring a new web server and needs to ensure that the domain name correctly resolves to the server’s IP address. Which DNS record should the technician update to achieve this?

6 / 13

A company wants to implement a system to verify that emails sent from its domain are authentic to reduce phishing attacks. Which DNS record should they configure?

7 / 13

A new company wants to improve its email deliverability and reputation by proving that emails are sent from its IP addresses. Which DNS record should they consider implementing?

8 / 13

Which DNS record type is used to specify mail servers in DNS configurations?

9 / 13

What type of records are used to associate domain names with IP addresses in DNS?

10 / 13

What is the significance of an SPF record in a text record?

11 / 13

During a website migration, an IT specialist needs to temporarily point the domain name to a new host without changing the domain’s actual DNS records. Which DNS record type is best suited for this purpose?

12 / 13

While reviewing DNS settings, a technician notices several delivery issues with incoming emails. Which DNS record is primarily responsible for directing email traffic to a domain’s email servers?

13 / 13

What is the purpose of the A record in DNS?

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