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Test your basic knowledge |
MCTS: Configuring A DNS Zone Infrastructure
Start Test
Study First
Subjects
:
certifications
,
mcts
,
it-skills
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. A ______ zone is similar to a secondary zone - but it contains only those resource records necessary to identify the authoritative DNS servers for the master zone.
Retry Interval
server level and at the zone level
trigger zone transfers on secondary zones
stub
2. The ______ partition is replicated among all DCs that are also DNS servers in every domain in an AD forest.
1. Start of Authority (SOA) record that defines basic properties for the zone. 2. NS record signifying the name of the server or servers authoritative for the zone.
ForestDnsZones
use more than one name to point to
Create Default Application Directory Partitions
3. The first step in preparing a zone for DNSSEC is to back up the current zone data. To back up a zone - type the following command at an elevated command prompt: _______.
parent zone to a child zone
dnscmd /ZoneExport <zone name> <zone file name>
server level and at the zone level
Aging
4. DNS delegations are automatically used to separate ______ in a single forest.
%systemroot%System32Dns
parent and child AD DS domains
DomainDnsZones
Retry Interval
5. The _____ option stores the zone in the domain partition. Every DC in the local domain will receive a copy of the zone - regardless of whether the DNS Server role is installed on that DC.
Notify
To All Domain Controllers In This Domain
1. DomainDnsZones and - 2. ForestDnsZones
DNS server
6. ______ resource records are used to specify the location of specific services in a domain.
delegate
standard
server level and at the zone level
Service location (SRV)
7. To enable GlobalNames zone support - At an elevated command prompt - type the following: ______.
dnscmd . /config /enableglobalnamessupport 1
Service location (SRV)
Reload
parent and child AD DS domains
8. Active Directory-integrated zones perform time stamping for dynamically registered records by default - even before aging and scavenging are enabled. However - primary standard zones place time stamps on dynamically registered records in the zone onl
manually enlist
digitally sign
Notify
aging
9. The ______ allows you to specify the DNS query suffixes - prefixes - FQDNs - or reverse lookup subnets for which a Win 7 or Win Server 2008 R2 client will request DNSSEC.
Notify
The Zone Aging/Scavenging Properties
To All DNS Servers In This Forest
NRPT
10. The source zones from which secondary zones acquire their info are called ______ - and the data copy procedures through which this info is regularly updated are called zone transfers.
Host (A or AAAA) - Alias (CNAME) - Mail exchanger (MX) - Pointer (PTR) - Service location (SRV)
Transfer From Master
masters
The DNS server needs to be a domain controller.
11. DNSSEC in Win Server 2008 R2 allows a ______ to validate DNS data on behalf of its Win 7 clients.
DNS server
Notify
aging
aging
12. You must be a member of the ______ group to create an application directory partition.
Scavenge Stale Resource Records
Standard zones
Enterprise Admins
DNS server
13. ______ are public keys from other zones that are used to validate digitally signed records originating from those zones and from delegated subdomains that are also DNSSEC-compatible.
To All DNS Servers In This Forest
CNAME resource records
Trust anchors
public key
14. When scavenging is not enabled - you can perform manual scavenging in zones by right-clicking the server icon in the DNS Manager console tree and then choosing ______.
use more than one name to point to
DNS zone
Scavenge Stale Resource Records
trust anchor
15. When you do not store a zone in AD - the zone is called a ______ zone - and zone data is stored in text files on the DNS server.
standard
DomainDnsZones
DNS server
delegate
16. Together - aging and scavenging provide a mechanism to ______ resource records - which can accumulate in zone data over time. Both aging and scavenging are disabled by default.
To All DNS Servers In This Forest
Remove stale
Minimum (Default) TTL
The Zone Aging/Scavenging Properties
17. Consequently - when aging is enabled - dynamically registered resource records can be scavenged after ___ days by default.
14
Trust anchors
time stamp
Create Default Application Directory Partitions
18. This operation performs a zone transfer from the secondary zone's master server regardless of the serial number in the secondary zone's SOA resource record.
Name Servers
The Zone Aging/Scavenging Properties
Transfer New Copy Of Zone From Master
use more than one name to point to
19. Public key cryptography provides ______ - which means that separate keys are used to encrypt and decrypt data.
Minimum (Default) TTL
accepted
asymmetric encryption
Notify
20. Any of three events can ________________: When the refresh interval of the primary zone's SOA resource record expires - When a server hosting a secondary zone boots up - When a change occurs in the configuration of the primary zone and this primary
trigger zone transfers on secondary zones
accepted
Enterprise Admins
NS record and an associated A record
21. ______ in DNS refers to the process of using time stamps to track the age of dynamically registered resource records.
DNS zone
%systemroot%System32Dns
masters
Aging
22. What kind of zones do not automatically perform time stamping on dynamically created resource records?
Secondary
public key
Standard zones
accepted
23. Also recommended for use in the following scenarios: When a host specified in an A resource record in the same zone needs to be renamed - When a generic name for a well-known server such as www needs to resolve to a group of individual computers tha
Retry Interval
CNAME resource records
the cache life of a resource record
Reload - Transfer From Master - Transfer New Copy Of Zone From Master
24. What is the name of the record that contains a hash of the public key in a delegated subdomain?
the cache life of a resource record
Retry Interval
A DS record
disabled
25. You use Group Policy to configure DNS clients to _________________.
Group Policy
Service location (SRV)
Standard zones
request DNSSEC validation for specific queries
26. The value you configure in the ______ text box determines how long a secondary DNS server waits before querying the master server for a zone renewal. The default value for this setting is 15 minutes.
Refresh Interval
partition
parent and child AD DS domains
notification
27. ______ refers to the process of deleting outdated resource records on which time stamps have been placed.
To All Domain Controllers Specified In The Scope Of This Directory Partition
%systemroot%System32Dns
Scavenging
Refresh Interval
28. When you create a new zone - two types of records required for the zone are automatically created. List them.
To All Domain Controllers In This Domain
1. Start of Authority (SOA) record that defines basic properties for the zone. 2. NS record signifying the name of the server or servers authoritative for the zone.
trigger zone transfers on secondary zones
enable zone transfers
29. The ______ option stores the zone in the user-created application directory partition specified in the associated drop-down list box.
Transfer New Copy Of Zone From Master
To All Domain Controllers Specified In The Scope Of This Directory Partition
Trust anchors
Reload
30. For a delegation to be implemented - the parent zone must contain a _____ and an _____ (called a glue record) pointing to each authoritative server of the delegated domain.
NS record and an associated A record
dnscmd servername /enlistdirectorypartition FQDN
To All DNS Servers In This Forest
will not
31. TTL values are not relevant for resource records within their authoritative zones. Instead - the TTL refers to ______ in nonauthoritative servers. A DNS server that has cached a resource record from a previous query discards the record when that reco
The DNS server needs to be a domain controller.
use more than one name to point to
the cache life of a resource record
manually enlist
32. Manually created resource records for all zone types are assigned a time stamp of 0; this value indicates that they ______ be aged.
disabled
Remove stale
will not
ForestDnsZones
33. When you create a new zone - two types of records required for the zone are automatically created: ______
Remove stale
DNS zone
1. A SOA record 2. At least one NS record.
stub
34. In this way - digital signatures use ______ cryptography to prove that information is unspoofed and unchanged.
ForestDnsZones
public key
the cache life of a resource record
%systemroot%System32Dns
35. DNSSEC enables a DNS server to ______ the resource records in its zones.
digitally sign
DomainDnsZones
AD Zone Replication Scope page
%systemroot%System32Dns
36. The Zone Transfers tab also allows you to configure ______ to secondary servers whenever a change occurs at the primary zone.
notification
partition
trigger zone transfers on secondary zones
asymmetric encryption
37. What are the server requirements for storing a zone in AD?
The DNS server needs to be a domain controller.
dnscmd servername /createdirectorypartition FQDN
Create Default Application Directory Partitions
DNS zone
38. A ______ zone provides original read-write source data that allows the local DNS server to answer DNS queries authoritatively about a portion of a DNS namespace.
Notify
Service location (SRV)
primary
Expires After
39. The value you configure in the ______ text box determines the length of time that a secondary server - without any contact with its master server - continues to answer queries from DNS clients. After this time elapses - the data is considered unrelia
The Zone Aging/Scavenging Properties
aging
Expires After
To All Domain Controllers In This Domain
40. A ______ is a database containing records that associate names with addresses for a defined portion of a DNS namespace.
Retry Interval
DNS zone
CNAME resource records
aging
41. The ______ partition is replicated among all DCs that are also DNS servers in a particular domain
To All Domain Controllers In This Domain
dnscmd servername /enlistdirectorypartition FQDN
DomainDnsZones
parent zone to a child zone
42. By default - DCs include two application directory partitions reserved for DNS data: ______.
DNS zone
To All DNS Servers In This Forest
The Zone Aging/Scavenging Properties
1. DomainDnsZones and - 2. ForestDnsZones
43. The value you configure in the ______ text box determines how long a secondary server waits before retrying a failed zone transfer. Normally - this time is less than the refresh interval. The default value is 10 minutes.
masters
Retry Interval
dnscmd servername /enlistdirectorypartition FQDN
Minimum (Default) TTL
44. This operation reloads the secondary zone from the local storage.
asymmetric encryption
Reload
1. A SOA record 2. At least one NS record.
trust anchor
45. There are three basic steps in _______________: 1. Enable GlobalNames zone support. 2. Create the GlobalNames zone. 3. Populate the GlobalNames zone.
Create Default Application Directory Partitions
deploying a GlobalNames zone
will not
ForestDnsZones
46. To enlist other DNS servers in the partition - type the following command:
deploying a GlobalNames zone
trust anchor
dnscmd servername /enlistdirectorypartition FQDN
masters
47. The most common resource records you need to create manually include the following:
The DNS server needs to be a domain controller.
time stamp
Host (A or AAAA) - Alias (CNAME) - Mail exchanger (MX) - Pointer (PTR) - Service location (SRV)
priority of dc2.lucernepublishing.com.
48. To configure notifications - click ______ on the Zone Transfers tab when zone transfers are enabled.
Notify
Transfer From Master
To All DNS Servers In This Domain
dnscmd /ZoneExport <zone name> <zone file name>
49. For a DC to fall within the scope of such a directory partition - you must ______ that DC in the partition.
Netlogon
manually enlist
DNS server
parent and child AD DS domains
50. The four options presented on the _____________________ are the following: 1. To All DNS Servers In This Forest 2. To All DNS Servers In This Domain 3. To All DCs In This Domain 4. To All DCs Specified In The Scope Of This Directory Partition
Expires After
trigger zone transfers on secondary zones
AD Zone Replication Scope page
dnscmd servername /createdirectorypartition FQDN