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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. The Zone Transfers tab also allows you to configure ______ to secondary servers whenever a change occurs at the primary zone.
NRPT
Transfer New Copy Of Zone From Master
notification
parent and child AD DS domains
2. 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.
Remove stale
Refresh Interval
Create Default Application Directory Partitions
To All DNS Servers In This Domain
3. What kind of zones do not automatically perform time stamping on dynamically created resource records?
Standard zones
time stamp
Trust anchors
The DNS server needs to be a domain controller.
4. 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 ______.
request DNSSEC validation for specific queries
Scavenge Stale Resource Records
Service location (SRV)
Scavenging
5. The GlobalNames zone is compatible only with DNS servers running ______. Therefore - it cannot replicate to servers running earlier versions of Windows Server.
time stamp
asymmetric encryption
Win Srvr 2008 and Win Srvr 2008 R2
stub
6. 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.
Retry Interval
Create Default Application Directory Partitions
standard
aging
7. What is the name of the record that contains a hash of the public key in a delegated subdomain?
A DS record
asymmetric encryption
use more than one name to point to
Create Default Application Directory Partitions
8. ______ 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.
Scavenge Stale Resource Records
Trust anchors
dnscmd servername /createdirectorypartition FQDN
Remove stale
9. When the zone is stored in a file instead of AD - by default the primary zone file is named zone_name.dns - and this file is located in the ______ folder on the server.
DomainDnsZones
Host (A or AAAA) - Alias (CNAME) - Mail exchanger (MX) - Pointer (PTR) - Service location (SRV)
%systemroot%System32Dns
Group Policy
10. Scavenging can occur only when ______ is enabled.
asymmetric encryption
aging
public key
To All Domain Controllers In This Domain
11. A ______ is a data structure in AD that distinguishes data for different replication purposes.
trigger zone transfers on secondary zones
partition
aging
AD Zone Replication Scope page
12. To configure notifications - click ______ on the Zone Transfers tab when zone transfers are enabled.
1. DomainDnsZones and - 2. ForestDnsZones
The Zone Aging/Scavenging Properties
Notify
To All DNS Servers In This Forest
13. 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
Win Srvr 2008 and Win Srvr 2008 R2
Create Default Application Directory Partitions
To All DNS Servers In This Domain
Expires After
14. 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.
Transfer From Master
dnscmd /ZoneExport <zone name> <zone file name>
NS record and an associated A record
To All Domain Controllers In This Domain
15. 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.
masters
dnscmd servername /createdirectorypartition FQDN
the cache life of a resource record
standard
16. 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.
dnscmd /ZoneExport <zone name> <zone file name>
Minimum (Default) TTL
standard
ForestDnsZones
17. Alias resource records are sometimes called canonical names (CNAME). These records allow you to ______ a single host.
use more than one name to point to
DomainDnsZones
Win Srvr 2008 and Win Srvr 2008 R2
Group Policy
18. For a DC to fall within the scope of such a directory partition - you must ______ that DC in the partition.
ForestDnsZones
1. DomainDnsZones and - 2. ForestDnsZones
manually enlist
server level and at the zone level
19. What does the 10 refer to in the following example: _ldap._tcp SRV 0 0 389 dc1.lucernepublishing.com.SRV 10 0 389 dc2.lucernepublishing.com.
Aging
priority of dc2.lucernepublishing.com.
The Zone Aging/Scavenging Properties
To All Domain Controllers Specified In The Scope Of This Directory Partition
20. The ___________________ dialog box enables you to modify two key settings related to aging and scavenging: 1. the no-refresh interval 2. and the refresh interval
The Zone Aging/Scavenging Properties
Trust anchors
asymmetric encryption
primary
21. To enlist other DNS servers in the partition - type the following command:
priority of dc2.lucernepublishing.com.
Notify
dnscmd servername /enlistdirectorypartition FQDN
standard
22. 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.
stub
priority of dc2.lucernepublishing.com.
NS record and an associated A record
Secondary
23. To enable GlobalNames zone support - At an elevated command prompt - type the following: ______.
Remove stale
Win Srvr 2008 and Win Srvr 2008 R2
decreases
dnscmd . /config /enableglobalnamessupport 1
24. ______ resource records are used to specify the location of specific services in a domain.
standard
Service location (SRV)
digitally sign
manually enlist
25. DNS delegations are automatically used to separate ______ in a single forest.
disabled
NS record and an associated A record
parent and child AD DS domains
masters
26. There are three basic steps in _______________: 1. Enable GlobalNames zone support. 2. Create the GlobalNames zone. 3. Populate the GlobalNames zone.
deploying a GlobalNames zone
dnscmd servername /enlistdirectorypartition FQDN
trigger zone transfers on secondary zones
Enterprise Admins
27. By default - zone transfers are ______ from any zone.
disabled
DNS zone
To All DNS Servers In This Forest
deploying a GlobalNames zone
28. 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.
Remove stale
Transfer New Copy Of Zone From Master
stub
accepted
29. 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.
1. DomainDnsZones and - 2. ForestDnsZones
primary
Reload
NS record and an associated A record
30. When you create a new zone - two types of records required for the zone are automatically created. List them.
A DS record
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.
Group Policy
CNAME resource records
31. To ______ a zone is to create a new zone for a subdomain within a DNS namespace and relinquish authority of that new zone.
delegate
Refresh Interval
aging
standard
32. Used to facilitate the resolution of single-label computer names in a large network.
decreases
notification
Netlogon
GlobalNames zone
33. DNSSEC enables a DNS server to ______ the resource records in its zones.
digitally sign
dnscmd servername /enlistdirectorypartition FQDN
DNS server
DomainDnsZones
34. If either of the default application directory partitions is deleted or damaged - you can re-create them in DNS Manager by right-clicking the server node and choosing ______.
A DS record
Secondary
Create Default Application Directory Partitions
NS record and an associated A record
35. Manually created resource records for all zone types are assigned a time stamp of 0; this value indicates that they ______ be aged.
will not
primary
dnscmd . /config /enableglobalnamessupport 1
masters
36. The no-refresh interval is the period after a time stamp during which a zone or server rejects a ______ refresh. The default no-refresh interval is 7 days.
Minimum (Default) TTL
Win Srvr 2008 and Win Srvr 2008 R2
time stamp
14
37. 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: _______.
GlobalNames zone
Transfer New Copy Of Zone From Master
dnscmd /ZoneExport <zone name> <zone file name>
dnscmd . /config /enableglobalnamessupport 1
38. The value you configure in the ______ text box determines the default Time to Live (TTL) that is applied to all resource records in the zone. The default value is one hour.
NRPT
primary
Minimum (Default) TTL
DNS server
39. To create a custom application directory partition - type the following command:
aging
dnscmd servername /createdirectorypartition FQDN
Retry Interval
deploying a GlobalNames zone
40. Increasing the refresh interval ______ zone transfer traffic.
enable zone transfers
dnscmd . /config /enableglobalnamessupport 1
decreases
Refresh Interval
41. Win 7 clients can be configured to request DNSSEC through the Name Resolution Policy Table (NRPT) in ______.
Notify
partition
Group Policy
time stamp
42. The ______ option stores the zone in the user-created application directory partition specified in the associated drop-down list box.
To All Domain Controllers Specified In The Scope Of This Directory Partition
To All DNS Servers In This Forest
disabled
Notify
43. A ______ is a database containing records that associate names with addresses for a defined portion of a DNS namespace.
Refresh Interval
Service location (SRV)
1. A SOA record 2. At least one NS record.
DNS zone
44. DNSSEC in Win Server 2008 R2 allows a ______ to validate DNS data on behalf of its Win 7 clients.
DNS server
request DNSSEC validation for specific queries
decreases
1. A SOA record 2. At least one NS record.
45. 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
CNAME resource records
Retry Interval
public key
DNS server
46. The ______ service uses SRV records to locate DCs in a domain by searching the domain for the LDAP service.
Retry Interval
Remove stale
Netlogon
will not
47. What are the server requirements for storing a zone in AD?
dnscmd /ZoneExport <zone name> <zone file name>
1. A SOA record 2. At least one NS record.
The DNS server needs to be a domain controller.
1. DomainDnsZones and - 2. ForestDnsZones
48. The refresh interval is the time after the no-refresh interval during which time stamp refreshes are ______ and resource records are not scavenged. The default refresh interval is 7 days.
accepted
Create Default Application Directory Partitions
Reload
Scavenge Stale Resource Records
49. A ______ is a public key for a remote DNS server that is trusted and able to provide DNSSEC responses.
trust anchor
Scavenge Stale Resource Records
To All DNS Servers In This Forest
NS record and an associated A record
50. The ______ option stores the new zone in the ForestDnsZones partition. Every DC in the entire forest and on which the DNS Server role is installed will receive a copy of the zone.
To All DNS Servers In This Forest
AD Zone Replication Scope page
time stamp
Retry Interval