Chapter 2 Practice Test
DNS clients maintain a text file called Hosts that can contain static DNS entries, within what Windows directory is this file stored?
%systemroot%\System32\drivers\etc
What command option for the dnscmd command lists all zones on the server?
/enumzones
The default setting for a secondary zone's refresh interval is how many minutes?
15 minutes
What DNS record type is used for an IPv6 host record?
AAAA
What PowerShell cmdlet can be used to create a new Active Directory-integrated primary zone?
Add-DnsServerPrimaryZone
What type of DNS record is used to contain an alias for another record, allowing for the use of different names for the same host?
CNAME record
What type of DNS server is not configured with any zones, but fields DNS queries and sends iterative queries to upstream DNS servers and stores the results?
Caching-only server
What specific term is best used to describe a computer making a DNS query?
DNS resolver
Which of the following options can an administrator enable to improve DNS security?
Do not allow dynamic updates
Which type of resource record addition allows computers to register or update their own DNS records, or DHCP can update DNS on behalf of the clients when the clients lease a new IP address?
Dynamic DNS
An authoritative server for a domain holds a partial copy of a zone's resource records.
False
An iterative query instructs the DNS server to process the query until it responds with an address that satisfies the query or with an "I don't know" message.
False
Resource records are a grouping of DNS information that belongs to a contiguous portion of the DNS namespace.
False
The use of WINS forward lookup is enabled by default.
False
When serious DNS debugging is warranted, you can enable debug logging in the server's Advanced dialog box.
False
What type of DNS server is a DNS server to which other DNS servers send requests they can't resolve themselves?
Forwarder server
Who is responsible for the management of the Internet root servers?
Internet Assigned Numbers Authority (IANA)
What type of DNS query causes a DNS server to respond with the best information it currently has in its local database?
Iterative query
The FQDN of a name server that has authority over a domain is noted in what type of DNS record?
NS
What DNS record type is used to resolve a known IP address to a hostname?
Pointer Record
Which DNS zone type contains a read/write master copy of all resource records for the zone?
Primary zone
What RFC defines the DNS resource record types?
RFC 1183
Which of the following specifies how often a secondary DNS server attempts to renew its zone information?
Refresh interval
Which DNS zone category contains PTR records that map IP addresses to names and is named after the IP network address of the computers whose records it contains?
Reverse lookup zone
When data within a zone changes, what information in the SOA record changes to reflect that the zone information should be replicated?
Serial number
Which of the following DNS record types specifies a hostname and port number for servers that supply specific services?
Service Location
What specific record type is found in every zone and contains information that identifies the server primarily responsible for the zone as well as some operational properties for the zone?
Start of Authority Records
In a zone's Properties dialog box, what option is unavailable under Dynamic updates for only standard zones?
The Secure only option
The responsible person section of an SOA record contains what information?
The email address of the responsible person
What option is available on a Host A record to tell the system how long the record should remain in the database after it was created or last updated?
Time to live
When a dynamic DNS record is created, what is the TTL value used for?
To specify how long the record should remain in the DNS database
The .com, .net, and .edu are all examples of what level of the DNS naming hierarchy?
Top-level domain names
A zone that is not integrated into Active Directory is referred to as a standard zone, and the zone data is stored in a text file.
True
DNS audit events track changes to a DNS server such as when zone or resource changes are made.
True
The entire DNS tree is called the DNS namespace.
True
You can configure an internal DNS server as a root server by creating an FLZ with the "." name.
True
How should an administrator test the functionality of DNS operation on a domain controller, as well as troubleshoot issues with DNS forwarders, delegation, dynamic updates, and record registration?
Using dcdiag /test:dns
Which Windows command line utility below can be used to check for resource records on a server, verify delegations, verify resource records needed for AD replication, and perform e-mail connectivity tests?
dnslint
A valid reverse lookup zone consists of the network ID's octets in reverse order, with what at the end of the name?
in-addr.arpa
