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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. By default - zone transfers are ______ from any zone.
Refresh Interval
disabled
NS record and an associated A record
masters
2. To enlist other DNS servers in the partition - type the following command:
Notify
Refresh Interval
server level and at the zone level
dnscmd servername /enlistdirectorypartition FQDN
3. Alias resource records are sometimes called canonical names (CNAME). These records allow you to ______ a single host.
asymmetric encryption
time stamp
use more than one name to point to
dnscmd /ZoneExport <zone name> <zone file name>
4. The most common resource records you need to create manually include the following:
Host (A or AAAA) - Alias (CNAME) - Mail exchanger (MX) - Pointer (PTR) - Service location (SRV)
Win Srvr 2008 and Win Srvr 2008 R2
Remove stale
stub
5. 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
primary
decreases
the cache life of a resource record
asymmetric encryption
6. ______ 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.
Expires After
priority of dc2.lucernepublishing.com.
dnscmd . /config /enableglobalnamessupport 1
Trust anchors
7. 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
priority of dc2.lucernepublishing.com.
the cache life of a resource record
CNAME resource records
enable zone transfers
8. When you create a new zone - two types of records required for the zone are automatically created: ______
dnscmd . /config /enableglobalnamessupport 1
1. A SOA record 2. At least one NS record.
AD Zone Replication Scope page
To All Domain Controllers Specified In The Scope Of This Directory Partition
9. A secondary zone will not be recognized as a valid name server until it contains a valid copy of zone data. For the secondary zone to obtain this data - you must first ______ to that server.
server level and at the zone level
NS record and an associated A record
enable zone transfers
A DS record
10. Used to facilitate the resolution of single-label computer names in a large network.
accepted
Transfer New Copy Of Zone From Master
GlobalNames zone
standard
11. By right-clicking a secondary zone in the DNS Manager console tree - you can use the shortcut menu to perform the following secondary zone update operations:
The Zone Aging/Scavenging Properties
aging
Reload - Transfer From Master - Transfer New Copy Of Zone From Master
Aging
12. 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.
Scavenging
delegate
primary
DomainDnsZones
13. What is the name of the record that contains a hash of the public key in a delegated subdomain?
Name Servers
Transfer From Master
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.
A DS record
14. 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
DNS server
Aging
The Zone Aging/Scavenging Properties
15. To create a custom application directory partition - type the following command:
DNS zone
dnscmd servername /createdirectorypartition FQDN
To All DNS Servers In This Forest
manually enlist
16. 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: _______.
dnscmd servername /enlistdirectorypartition FQDN
asymmetric encryption
%systemroot%System32Dns
dnscmd /ZoneExport <zone name> <zone file name>
17. 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
The DNS server needs to be a domain controller.
Netlogon
dnscmd servername /enlistdirectorypartition FQDN
18. A ______ is a database containing records that associate names with addresses for a defined portion of a DNS namespace.
DNS zone
The DNS server needs to be a domain controller.
the cache life of a resource record
Enterprise Admins
19. The GlobalNames zone is compatible only with DNS servers running ______. Therefore - it cannot replicate to servers running earlier versions of Windows Server.
Notify
Win Srvr 2008 and Win Srvr 2008 R2
accepted
stub
20. DNSSEC enables a DNS server to ______ the resource records in its zones.
Transfer From Master
digitally sign
DNS zone
%systemroot%System32Dns
21. 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 ______.
Create Default Application Directory Partitions
1. A SOA record 2. At least one NS record.
To All Domain Controllers In This Domain
accepted
22. Increasing the refresh interval ______ zone transfer traffic.
Transfer New Copy Of Zone From Master
decreases
partition
will not
23. ______ resource records are used to specify the location of specific services in a domain.
DNS zone
To All Domain Controllers In This Domain
The DNS server needs to be a domain controller.
Service location (SRV)
24. 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.
Minimum (Default) TTL
standard
accepted
NRPT
25. The ______ partition is replicated among all DCs that are also DNS servers in a particular domain
To All DNS Servers In This Forest
NS record and an associated A record
delegate
DomainDnsZones
26. You use Group Policy to configure DNS clients to _________________.
request DNSSEC validation for specific queries
The Zone Aging/Scavenging Properties
server level and at the zone level
Remove stale
27. Win 7 clients can be configured to request DNSSEC through the Name Resolution Policy Table (NRPT) in ______.
Notify
Name Servers
Group Policy
Retry Interval
28. Scavenging can occur only when ______ is enabled.
Host (A or AAAA) - Alias (CNAME) - Mail exchanger (MX) - Pointer (PTR) - Service location (SRV)
14
aging
Win Srvr 2008 and Win Srvr 2008 R2
29. The Zone Transfers tab also allows you to configure ______ to secondary servers whenever a change occurs at the primary zone.
notification
priority of dc2.lucernepublishing.com.
Reload
Expires After
30. 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.
the cache life of a resource record
dnscmd servername /enlistdirectorypartition FQDN
time stamp
To All DNS Servers In This Forest
31. ______ in DNS refers to the process of using time stamps to track the age of dynamically registered resource records.
will not
Scavenge Stale Resource Records
Aging
parent and child AD DS domains
32. 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.
priority of dc2.lucernepublishing.com.
NS record and an associated A record
A DS record
Transfer New Copy Of Zone From Master
33. 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.
partition
Retry Interval
trust anchor
manually enlist
34. In this way - digital signatures use ______ cryptography to prove that information is unspoofed and unchanged.
public key
Reload
Notify
%systemroot%System32Dns
35. To add an NS record - double-click any existing NS record in DNS Manager and add the server data to the ______ tab.
Retry Interval
NRPT
public key
Name Servers
36. During this operation - the server hosting the local secondary zone determines whether the serial number in the secondary zone's SOA resource record has expired and then pulls a zone transfer from the master server.
Trust anchors
Transfer From Master
stub
partition
37. 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
Aging
Win Srvr 2008 and Win Srvr 2008 R2
Scavenging
The Zone Aging/Scavenging Properties
38. Public key cryptography provides ______ - which means that separate keys are used to encrypt and decrypt data.
A DS record
asymmetric encryption
disabled
priority of dc2.lucernepublishing.com.
39. 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 ______.
asymmetric encryption
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.
Scavenge Stale Resource Records
Trust anchors
40. The ______ option stores the zone in the user-created application directory partition specified in the associated drop-down list box.
14
dnscmd servername /createdirectorypartition FQDN
To All Domain Controllers Specified In The Scope Of This Directory Partition
Win Srvr 2008 and Win Srvr 2008 R2
41. 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.
stub
accepted
use more than one name to point to
CNAME resource records
42. A ______ is a data structure in AD that distinguishes data for different replication purposes.
Service location (SRV)
dnscmd servername /createdirectorypartition FQDN
partition
aging
43. DNSSEC in Win Server 2008 R2 allows a ______ to validate DNS data on behalf of its Win 7 clients.
DNS server
Win Srvr 2008 and Win Srvr 2008 R2
use more than one name to point to
Create Default Application Directory Partitions
44. 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.
Reload - Transfer From Master - Transfer New Copy Of Zone From Master
Expires After
Remove stale
To All Domain Controllers Specified In The Scope Of This Directory Partition
45. To enable GlobalNames zone support - At an elevated command prompt - type the following: ______.
Transfer New Copy Of Zone From Master
Aging
dnscmd . /config /enableglobalnamessupport 1
1. A SOA record 2. At least one NS record.
46. 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.
CNAME resource records
Expires After
Reload - Transfer From Master - Transfer New Copy Of Zone From Master
To All Domain Controllers In This Domain
47. By default - DCs include two application directory partitions reserved for DNS data: ______.
masters
The DNS server needs to be a domain controller.
stub
1. DomainDnsZones and - 2. ForestDnsZones
48. DNS delegations are automatically used to separate ______ in a single forest.
%systemroot%System32Dns
1. DomainDnsZones and - 2. ForestDnsZones
the cache life of a resource record
parent and child AD DS domains
49. A ______ is a public key for a remote DNS server that is trusted and able to provide DNSSEC responses.
notification
trust anchor
NRPT
1. DomainDnsZones and - 2. ForestDnsZones
50. ______ zones provide a means to offload DNS query traffic in areas of the network where a zone is heavily queried and used.
AD Zone Replication Scope page
Secondary
Retry Interval
enable zone transfers