ITN 200 chapter 8

How many root hints are configured automatically for Windows Server 2016 after initial install of the DNS server role?

15

You are administrator for an Active Directory domain and have been tasked with improving response time for resolving DNS queries for resources in a second company owned domain that does not use Active Directory. What type of zone can be used to accomplish this task with minimal overhead?

A stub zone

What resource record type defines an IPv6 host address in DNS?

AAAA record

What DNS feature ensures that records in all DNS zones use cryptographic digital signing?

DNS security extension (DNSSEC)

What command should be used to flush the DNS cache information on a Windows Server 2016 install with DNS role?

Dnscmd /ClearCache

What NIC teaming load-balancing method uses flowlets to reduce large-sized traffic into smaller elements for faster data transfer?

Dynamic

You are troubleshooting an issue on your network where users can access the DNS server, but DNS record information is not being processed. What should you do to troubleshoot the issue?

Ensure DNS server and DNS client services are started and set to automatically start when the server boots.

A DNS server can only be authoritative for a single domain.

False

Pointer (PTR) resource records are kept in the forward lookup zone of a DNS server.

False

What statement regarding the the use of Server 2016 DNS is NOT accurate?

Host addresses and pointer records are kept in the forward lookup zone.

You are troubleshooting a DHCP server, and discover that it is creating excessive network traffic handling DHCP requests. What solution will resolve the issue with minimum resource expenditure?

Increase the DHCP lease period for the scopes configured on the server.

What is the purpose of a State of Authority record?

It identifies the authoritative DNS server for the current zone.

What is a caching-only DNS server?

It is a DNS server with no zones whatsoever.

What DNS resource record type is used to provide the SMTP servers that can accept mail for the domain?

MX record

What information is NOT in a DNS stub zone?

MX record for administrative tracking

What is NOT one of the vital services provided by secondary DNS servers?

Security is improved by preventing access to primary DNS servers.

The IP Address Management tools do not function properly on a server that is also an Active Directory domain controller.

True

The process of authorizing a DHCP server is a security precaution to ensure that IP addresses are only assigned by DHCP servers that are managed by network and server administrators.

True

When deploying a web server, the web server should be placed in a demilitarized zone.

True