Microsoft AZ-104 Azure DNS and Name Resolution Practice Test

 

Topic 16 focuses on Azure DNS and Name Resolution for the Microsoft Certified: Azure Administrator Associate certification and the AZ-104 exam, using Microsoft Azure administration scenarios. For broader exam preparation, review the Microsoft Azure Administrator AZ-104 Exam Dumps page. Each question includes a concise explanation of the correct answer and the technical reason the other choices are incorrect.

Question 1

To host public DNS records for a domain using Azure-managed authoritative DNS infrastructure, which Azure configuration should be selected?

1. Virtual network link
2. CNAME record
3. Private DNS autoregistration
4. Azure DNS zone

Correct Answer: D

 

Correct Answer

Answer D is correct because Azure DNS zone is a managed authoritative DNS zone hosted on Azure DNS name servers. It directly supports the requirement to host public DNS records for a domain using Azure-managed authoritative DNS infrastructure.

Incorrect Answers

Answer A is incorrect because Virtual network link is used to allow VNet resources to resolve records from a private DNS zone; it does not provide the capability described in the scenario.

Answer B is incorrect because CNAME record is used to point a hostname to another hostname rather than storing an IP address directly; it does not provide the capability described in the scenario.

Answer C is incorrect because Private DNS autoregistration is used to maintain private VM DNS records automatically as VMs are created or removed; it does not provide the capability described in the scenario.

 

Question 2

For Azure DNS zone, which administrative outcome is expected?

1. Maintain private VM DNS records automatically as VMs are created or removed
2. Allow VNet resources to resolve records from a private DNS zone
3. Point a hostname to another hostname rather than storing an IP address directly
4. Host public DNS records for a domain using Azure-managed authoritative DNS infrastructure

Correct Answer: D

 

Correct Answer

Answer D is correct because Azure DNS zone is a managed authoritative DNS zone hosted on Azure DNS name servers. Its intended administrative use is to host public DNS records for a domain using Azure-managed authoritative DNS infrastructure.

Incorrect Answers

Answer A is incorrect because that outcome belongs to Private DNS autoregistration, which is used to maintain private VM DNS records automatically as VMs are created or removed; it is not the primary purpose of Azure DNS zone.

Answer B is incorrect because that outcome belongs to Virtual network link, which is used to allow VNet resources to resolve records from a private DNS zone; it is not the primary purpose of Azure DNS zone.

Answer C is incorrect because that outcome belongs to CNAME record, which is used to point a hostname to another hostname rather than storing an IP address directly; it is not the primary purpose of Azure DNS zone.

 

Question 3

To manage one or more resource records for the same DNS name and type, which Azure configuration should be selected?

1. Custom DNS server setting
2. DNS record set
3. A record
4. Azure Private DNS zone

Correct Answer: B

 

Correct Answer

Answer B is correct because DNS record set is a collection of DNS records in a zone that share the same name and record type. It directly supports the requirement to manage one or more resource records for the same DNS name and type.

Incorrect Answers

Answer A is incorrect because Custom DNS server setting is used to direct name-resolution queries to organizational DNS infrastructure; it does not provide the capability described in the scenario.

Answer C is incorrect because a record is used to resolve a name directly to an IPv4 endpoint; it does not provide the capability described in the scenario.

Answer D is incorrect because Azure Private DNS zone is used to provide private name resolution for resources inside Azure virtual networks; it does not provide the capability described in the scenario.

 

Question 4

For DNS record set, which administrative outcome is expected?

1. Maintain private VM DNS records automatically as VMs are created or removed
2. Manage one or more resource records for the same DNS name and type
3. Provide private name resolution for resources inside Azure virtual networks
4. Host public DNS records for a domain using Azure-managed authoritative DNS infrastructure

Correct Answer: B

 

Correct Answer

Answer B is correct because DNS record set is a collection of DNS records in a zone that share the same name and record type. Its intended administrative use is to manage one or more resource records for the same DNS name and type.

Incorrect Answers

Answer A is incorrect because that outcome belongs to Private DNS autoregistration, which is used to maintain private VM DNS records automatically as VMs are created or removed; it is not the primary purpose of DNS record set.

Answer C is incorrect because that outcome belongs to Azure Private DNS zone, which is used to provide private name resolution for resources inside Azure virtual networks; it is not the primary purpose of DNS record set.

Answer D is incorrect because that outcome belongs to Azure DNS zone, which is used to host public DNS records for a domain using Azure-managed authoritative DNS infrastructure; it is not the primary purpose of DNS record set.

 

Question 5

To resolve a name directly to an IPv4 endpoint, which Azure configuration should be selected?

1. A record
2. Azure Private DNS zone
3. Azure DNS zone
4. DNS record set

Correct Answer: A

 

Correct Answer

Answer A is correct because a record is a DNS record that maps a hostname to an IPv4 address. It directly supports the requirement to resolve a name directly to an IPv4 endpoint.

Incorrect Answers

Answer B is incorrect because Azure Private DNS zone is used to provide private name resolution for resources inside Azure virtual networks; it does not provide the capability described in the scenario.

Answer C is incorrect because Azure DNS zone is used to host public DNS records for a domain using Azure-managed authoritative DNS infrastructure; it does not provide the capability described in the scenario.

Answer D is incorrect because DNS record set is used to manage one or more resource records for the same DNS name and type; it does not provide the capability described in the scenario.

 

Question 6

For A record, which administrative outcome is expected?

1. Provide private name resolution for resources inside Azure virtual networks
2. Resolve a name directly to an IPv4 endpoint
3. Direct name-resolution queries to organizational DNS infrastructure
4. Map a DNS name to a supported Azure resource without manually maintaining its public IP value

Correct Answer: B

 

Correct Answer

Answer B is correct because a record is a DNS record that maps a hostname to an IPv4 address. Its intended administrative use is to resolve a name directly to an IPv4 endpoint.

Incorrect Answers

Answer A is incorrect because that outcome belongs to Azure Private DNS zone, which is used to provide private name resolution for resources inside Azure virtual networks; it is not the primary purpose of A record.

Answer C is incorrect because that outcome belongs to Custom DNS server setting, which is used to direct name-resolution queries to organizational DNS infrastructure; it is not the primary purpose of A record.

Answer D is incorrect because that outcome belongs to Alias record, which is used to map a DNS name to a supported Azure resource without manually maintaining its public IP value; it is not the primary purpose of A record.

 

Question 7

To resolve a name directly to an IPv6 endpoint, which Azure configuration should be selected?

1. Private DNS autoregistration
2. CNAME record
3. AAAA record
4. Azure DNS zone

Correct Answer: C

 

Correct Answer

Answer C is correct because AAAA record is a DNS record that maps a hostname to an IPv6 address. It directly supports the requirement to resolve a name directly to an IPv6 endpoint.

Incorrect Answers

Answer A is incorrect because Private DNS autoregistration is used to maintain private VM DNS records automatically as VMs are created or removed; it does not provide the capability described in the scenario.

Answer B is incorrect because CNAME record is used to point a hostname to another hostname rather than storing an IP address directly; it does not provide the capability described in the scenario.

Answer D is incorrect because Azure DNS zone is used to host public DNS records for a domain using Azure-managed authoritative DNS infrastructure; it does not provide the capability described in the scenario.

 

Question 8

For AAAA record, which administrative outcome is expected?

1. Resolve a name directly to an IPv6 endpoint
2. Direct name-resolution queries to organizational DNS infrastructure
3. Allow VNet resources to resolve records from a private DNS zone
4. Resolve a name directly to an IPv4 endpoint

Correct Answer: A

 

Correct Answer

Answer A is correct because AAAA record is a DNS record that maps a hostname to an IPv6 address. Its intended administrative use is to resolve a name directly to an IPv6 endpoint.

Incorrect Answers

Answer B is incorrect because that outcome belongs to Custom DNS server setting, which is used to direct name-resolution queries to organizational DNS infrastructure; it is not the primary purpose of AAAA record.

Answer C is incorrect because that outcome belongs to Virtual network link, which is used to allow VNet resources to resolve records from a private DNS zone; it is not the primary purpose of AAAA record.

Answer D is incorrect because that outcome belongs to A record, which is used to resolve a name directly to an IPv4 endpoint; it is not the primary purpose of AAAA record.

 

Question 9

To point a hostname to another hostname rather than storing an IP address directly, which Azure configuration should be selected?

1. CNAME record
2. AAAA record
3. Alias record
4. Private DNS autoregistration

Correct Answer: A

 

Correct Answer

Answer A is correct because CNAME record is a DNS record that aliases one DNS name to another canonical DNS name. It directly supports the requirement to point a hostname to another hostname rather than storing an IP address directly.

Incorrect Answers

Answer B is incorrect because AAAA record is used to resolve a name directly to an IPv6 endpoint; it does not provide the capability described in the scenario.

Answer C is incorrect because Alias record is used to map a DNS name to a supported Azure resource without manually maintaining its public IP value; it does not provide the capability described in the scenario.

Answer D is incorrect because Private DNS autoregistration is used to maintain private VM DNS records automatically as VMs are created or removed; it does not provide the capability described in the scenario.

 

Question 10

For CNAME record, which administrative outcome is expected?

1. Manage one or more resource records for the same DNS name and type
2. Maintain private VM DNS records automatically as VMs are created or removed
3. Provide private name resolution for resources inside Azure virtual networks
4. Point a hostname to another hostname rather than storing an IP address directly

Correct Answer: D

 

Correct Answer

Answer D is correct because CNAME record is a DNS record that aliases one DNS name to another canonical DNS name. Its intended administrative use is to point a hostname to another hostname rather than storing an IP address directly.

Incorrect Answers

Answer A is incorrect because that outcome belongs to DNS record set, which is used to manage one or more resource records for the same DNS name and type; it is not the primary purpose of CNAME record.

Answer B is incorrect because that outcome belongs to Private DNS autoregistration, which is used to maintain private VM DNS records automatically as VMs are created or removed; it is not the primary purpose of CNAME record.

Answer C is incorrect because that outcome belongs to Azure Private DNS zone, which is used to provide private name resolution for resources inside Azure virtual networks; it is not the primary purpose of CNAME record.

 

Question 11

To map a DNS name to a supported Azure resource without manually maintaining its public IP value, which Azure configuration should be selected?

1. DNS record set
2. AAAA record
3. Alias record
4. Custom DNS server setting

Correct Answer: C

 

Correct Answer

Answer C is correct because Alias record is an Azure DNS record that can reference certain Azure resources directly and track their endpoint changes. It directly supports the requirement to map a DNS name to a supported Azure resource without manually maintaining its public IP value.

Incorrect Answers

Answer A is incorrect because DNS record set is used to manage one or more resource records for the same DNS name and type; it does not provide the capability described in the scenario.

Answer B is incorrect because AAAA record is used to resolve a name directly to an IPv6 endpoint; it does not provide the capability described in the scenario.

Answer D is incorrect because Custom DNS server setting is used to direct name-resolution queries to organizational DNS infrastructure; it does not provide the capability described in the scenario.

 

Question 12

For Alias record, which administrative outcome is expected?

1. Host public DNS records for a domain using Azure-managed authoritative DNS infrastructure
2. Map a DNS name to a supported Azure resource without manually maintaining its public IP value
3. Allow VNet resources to resolve records from a private DNS zone
4. Manage one or more resource records for the same DNS name and type

Correct Answer: B

 

Correct Answer

Answer B is correct because Alias record is an Azure DNS record that can reference certain Azure resources directly and track their endpoint changes. Its intended administrative use is to map a DNS name to a supported Azure resource without manually maintaining its public IP value.

Incorrect Answers

Answer A is incorrect because that outcome belongs to Azure DNS zone, which is used to host public DNS records for a domain using Azure-managed authoritative DNS infrastructure; it is not the primary purpose of Alias record.

Answer C is incorrect because that outcome belongs to Virtual network link, which is used to allow VNet resources to resolve records from a private DNS zone; it is not the primary purpose of Alias record.

Answer D is incorrect because that outcome belongs to DNS record set, which is used to manage one or more resource records for the same DNS name and type; it is not the primary purpose of Alias record.

 

Question 13

To provide private name resolution for resources inside Azure virtual networks, which Azure configuration should be selected?

1. Azure Private DNS zone
2. AAAA record
3. Alias record
4. DNS record set

Correct Answer: A

 

Correct Answer

Answer A is correct because Azure Private DNS zone is an Azure-hosted DNS zone whose records are resolvable from linked virtual networks rather than from the public internet. It directly supports the requirement to provide private name resolution for resources inside Azure virtual networks.

Incorrect Answers

Answer B is incorrect because AAAA record is used to resolve a name directly to an IPv6 endpoint; it does not provide the capability described in the scenario.

Answer C is incorrect because Alias record is used to map a DNS name to a supported Azure resource without manually maintaining its public IP value; it does not provide the capability described in the scenario.

Answer D is incorrect because DNS record set is used to manage one or more resource records for the same DNS name and type; it does not provide the capability described in the scenario.

 

Question 14

For Azure Private DNS zone, which administrative outcome is expected?

1. Point a hostname to another hostname rather than storing an IP address directly
2. Provide private name resolution for resources inside Azure virtual networks
3. Resolve a name directly to an IPv6 endpoint
4. Maintain private VM DNS records automatically as VMs are created or removed

Correct Answer: B

 

Correct Answer

Answer B is correct because Azure Private DNS zone is an Azure-hosted DNS zone whose records are resolvable from linked virtual networks rather than from the public internet. Its intended administrative use is to provide private name resolution for resources inside Azure virtual networks.

Incorrect Answers

Answer A is incorrect because that outcome belongs to CNAME record, which is used to point a hostname to another hostname rather than storing an IP address directly; it is not the primary purpose of Azure Private DNS zone.

Answer C is incorrect because that outcome belongs to AAAA record, which is used to resolve a name directly to an IPv6 endpoint; it is not the primary purpose of Azure Private DNS zone.

Answer D is incorrect because that outcome belongs to Private DNS autoregistration, which is used to maintain private VM DNS records automatically as VMs are created or removed; it is not the primary purpose of Azure Private DNS zone.

 

Question 15

To allow VNet resources to resolve records from a private DNS zone, which Azure configuration should be selected?

1. Private DNS autoregistration
2. Azure Private DNS zone
3. Azure DNS zone
4. Virtual network link

Correct Answer: D

 

Correct Answer

Answer D is correct because Virtual network link is the association that connects an Azure Private DNS zone to a VNet for resolution and optional registration behavior. It directly supports the requirement to allow VNet resources to resolve records from a private DNS zone.

Incorrect Answers

Answer A is incorrect because Private DNS autoregistration is used to maintain private VM DNS records automatically as VMs are created or removed; it does not provide the capability described in the scenario.

Answer B is incorrect because Azure Private DNS zone is used to provide private name resolution for resources inside Azure virtual networks; it does not provide the capability described in the scenario.

Answer C is incorrect because Azure DNS zone is used to host public DNS records for a domain using Azure-managed authoritative DNS infrastructure; it does not provide the capability described in the scenario.

 

Question 16

For Virtual network link, which administrative outcome is expected?

1. Map a DNS name to a supported Azure resource without manually maintaining its public IP value
2. Resolve a name directly to an IPv6 endpoint
3. Allow VNet resources to resolve records from a private DNS zone
4. Host public DNS records for a domain using Azure-managed authoritative DNS infrastructure

Correct Answer: C

 

Correct Answer

Answer C is correct because Virtual network link is the association that connects an Azure Private DNS zone to a VNet for resolution and optional registration behavior. Its intended administrative use is to allow VNet resources to resolve records from a private DNS zone.

Incorrect Answers

Answer A is incorrect because that outcome belongs to Alias record, which is used to map a DNS name to a supported Azure resource without manually maintaining its public IP value; it is not the primary purpose of Virtual network link.

Answer B is incorrect because that outcome belongs to AAAA record, which is used to resolve a name directly to an IPv6 endpoint; it is not the primary purpose of Virtual network link.

Answer D is incorrect because that outcome belongs to Azure DNS zone, which is used to host public DNS records for a domain using Azure-managed authoritative DNS infrastructure; it is not the primary purpose of Virtual network link.

 

Question 17

To maintain private VM DNS records automatically as VMs are created or removed, which Azure configuration should be selected?

1. Alias record
2. Virtual network link
3. Private DNS autoregistration
4. Custom DNS server setting

Correct Answer: C

 

Correct Answer

Answer C is correct because Private DNS autoregistration is a virtual-network-link option that automatically creates and removes selected VM records in the linked private zone. It directly supports the requirement to maintain private VM DNS records automatically as VMs are created or removed.

Incorrect Answers

Answer A is incorrect because Alias record is used to map a DNS name to a supported Azure resource without manually maintaining its public IP value; it does not provide the capability described in the scenario.

Answer B is incorrect because Virtual network link is used to allow VNet resources to resolve records from a private DNS zone; it does not provide the capability described in the scenario.

Answer D is incorrect because Custom DNS server setting is used to direct name-resolution queries to organizational DNS infrastructure; it does not provide the capability described in the scenario.

 

Question 18

For Private DNS autoregistration, which administrative outcome is expected?

1. Manage one or more resource records for the same DNS name and type
2. Resolve a name directly to an IPv4 endpoint
3. Allow VNet resources to resolve records from a private DNS zone
4. Maintain private VM DNS records automatically as VMs are created or removed

Correct Answer: D

 

Correct Answer

Answer D is correct because Private DNS autoregistration is a virtual-network-link option that automatically creates and removes selected VM records in the linked private zone. Its intended administrative use is to maintain private VM DNS records automatically as VMs are created or removed.

Incorrect Answers

Answer A is incorrect because that outcome belongs to DNS record set, which is used to manage one or more resource records for the same DNS name and type; it is not the primary purpose of Private DNS autoregistration.

Answer B is incorrect because that outcome belongs to A record, which is used to resolve a name directly to an IPv4 endpoint; it is not the primary purpose of Private DNS autoregistration.

Answer C is incorrect because that outcome belongs to Virtual network link, which is used to allow VNet resources to resolve records from a private DNS zone; it is not the primary purpose of Private DNS autoregistration.

 

Question 19

To direct name-resolution queries to organizational DNS infrastructure, which Azure configuration should be selected?

1. Custom DNS server setting
2. Azure DNS zone
3. Private DNS autoregistration
4. Virtual network link

Correct Answer: A

 

Correct Answer

Answer A is correct because Custom DNS server setting is the VNet or network-interface configuration that tells Azure resources to use specified DNS resolver addresses instead of Azure-provided DNS. It directly supports the requirement to direct name-resolution queries to organizational DNS infrastructure.

Incorrect Answers

Answer B is incorrect because Azure DNS zone is used to host public DNS records for a domain using Azure-managed authoritative DNS infrastructure; it does not provide the capability described in the scenario.

Answer C is incorrect because Private DNS autoregistration is used to maintain private VM DNS records automatically as VMs are created or removed; it does not provide the capability described in the scenario.

Answer D is incorrect because Virtual network link is used to allow VNet resources to resolve records from a private DNS zone; it does not provide the capability described in the scenario.

 

Question 20

For Custom DNS server setting, which administrative outcome is expected?

1. Provide private name resolution for resources inside Azure virtual networks
2. Manage one or more resource records for the same DNS name and type
3. Direct name-resolution queries to organizational DNS infrastructure
4. Resolve a name directly to an IPv4 endpoint

Correct Answer: C

 

Correct Answer

Answer C is correct because Custom DNS server setting is the VNet or network-interface configuration that tells Azure resources to use specified DNS resolver addresses instead of Azure-provided DNS. Its intended administrative use is to direct name-resolution queries to organizational DNS infrastructure.

Incorrect Answers

Answer A is incorrect because that outcome belongs to Azure Private DNS zone, which is used to provide private name resolution for resources inside Azure virtual networks; it is not the primary purpose of Custom DNS server setting.

Answer B is incorrect because that outcome belongs to DNS record set, which is used to manage one or more resource records for the same DNS name and type; it is not the primary purpose of Custom DNS server setting.

Answer D is incorrect because that outcome belongs to A record, which is used to resolve a name directly to an IPv4 endpoint; it is not the primary purpose of Custom DNS server setting.