Deck 5: Introduction to DNS in Windows Server 2008

Question 1

A forward lookup zone maps IP addresses to host names.

Answer 1

False

Question 2

____ are a good option for workgroup environments that want to centralize DNS requests through a single server.

A) Stub zones
C) Zone transfers
B) Cache-only DNS servers
D) Root hints

Answer 2

B

Question 3

____ are classified in three ways: the information they store, where they are stored, and their read/write status.

A) Labels
C) DNS zones
B) DNS clients
D) Forwarders

Answer 3

C

Question 4

The ____ is the DNS domain that is appended to all unqualified name queries, or a query that contains only a host name.

A) stub zone
C) DNS suffix
B) master server
D) FQDN

Question 5

FQDNs are created by appending the host name label of a computer to the DNS domain name, sometimes referred to as the DNS suffix, that contains the computer.

Question 6

DNS clients often are referred to as DNS resolvers.

Question 7

DNS is supported on the Internet by thousands of ____ that maintain all the records necessary for name resolution.

A) DHCP servers
C) DNS servers
B) zones
D) consoles

Question 8

A(n) ____ represents the entire name for a specific host, or the DNS name, that needs to have a DNS record created.

A) alias
C) root hint
B) referral
D) fully qualified domain name

Question 9

A ____ consists of a collection of connected nodes served by an authoritative DNS name server.

A) host name
C) referral
B) forwarder
D) DNS zone

Question 10

DNS uses records to provide the information it stores in its database.

Question 11

____ are servers that are used to resolve names.

A) Forwarders
C) Stub zones
B) Root hints
D) Referrals

Question 12

A ____ is a name given to a computer, or host, to make connecting to it easier.

A) label
C) referral
B) host name
D) zone

Question 13

____ provide IP address pointers to top-level DNS servers and are kept current on the computer via Microsoft Update.

A) Forwarders
C) Root hints
B) Referrals
D) Resource records

Question 14

A ____ is a read-only copy of a zone that obtains its resource records from the name servers that are authoritative for a particular zone.

A) stub zone
C) label
B) primary DNS zone
D) secondary DNS zone

Question 15

A ____ is a read-only version of the DNS records for a zone.

A) stub zone
C) referral
B) primary DNS zone
D) secondary DNS zone

Question 16

Each node on a network that requires DNS name resolution needs an B record to point clients to the appropriate IP address of the target machine.

Question 17

A ____ is the zone that is authoritative for a specific domain and its name records.

A) referral
C) stub zone
B) primary DNS zone
D) root hint

Question 18

____ are queries where the client requires an answer from its DNS server.

A) Recursive queries
C) Forward queries
B) Domains
D) DNS zones

Question 19

The backbone of the DNS structure is the concept of ____.

A) DNS namespace
C) hosts
B) resource records
D) zones

Question 20

____ is the industry standard of DNS servers on the Internet and networks running DNS on UNIX/Linux systems.

A) BOOTP
C) WINS
B) FQDN
D) BIND

Question 21

A(n) ____________________ represents the portion of the namespace to the right of the host name.

Question 22

What is the difference between a second-level domain and a subdomain?

Question 23

A ____ identifies a DNS server that is authoritative for a zone.

A) host (A)
C) reverse host
B) name server
D) Start of Authority

Question 24

With a(n) ____________________, a DNS client requests the best answer that its DNS server can provide.

Question 25

After a reverse lookup zone is created, ____ are created to map IP addresses to the host name of a node.

A) labels
C) serial numbers
B) pointer records
D) zones

Question 26

List the resource records contained in a stub zone for a zone.

Question 27

____ allow a DNS client to resolve an FQDN to an IP address.

A) Forward lookup DNS zones
C) Domains
B) Forwarders
D) Reverse lookup DNS zones

Question 28

What is the difference between a root domain and a top-level domain?

Question 29

Listed at the top of the zone file, the ____ record is the starting point for information related to a zone.

A) service locator
C) reverse host
B) name server
D) Start of Authority

Question 30

When the DNS role is installed on an Internet-connected server, it configures the IP addresses for referral servers for the root domain. These servers are known as ____________________.

Question 31

Briefly discuss three types of information contained on a DNS record.

Question 32

____ performs the opposite action of a forward lookup zone. It maps IP addresses to host names.

A) Forward lookup DNS zones
C) Domain
B) Forwarders
D) Reverse lookup DNS zones

Question 33

A(n) _________________________ is a server that has the DNS role installed.

Question 34

What is the difference between a host name and a DNS zone?

Question 35

A computer on the Internet that provides a specific resource is called a(n) ____________________.

Question 36

The ____ record provides host name-to-IP address resolution for DNS clients.

A) host (A)
C) reverse host
B) name server
D) Start of Authority

Question 37

List five types of DNS records.

Question 38

What type of information does a service locator record provide a DNS client?

Question 39

What is the difference between a pointer record and an alias record?

Question 40

What is the difference between a master server and a slave server?

Question 41

List five fields contained on a service locator record.