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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. In this way - digital signatures use ______ cryptography to prove that information is unspoofed and unchanged.
DomainDnsZones
Scavenge Stale Resource Records
public key
Aging
2. 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
The DNS server needs to be a domain controller.
%systemroot%System32Dns
Win Srvr 2008 and Win Srvr 2008 R2
3. The ______ partition is replicated among all DCs that are also DNS servers in a particular domain
The DNS server needs to be a domain controller.
DomainDnsZones
DNS zone
parent zone to a child zone
4. 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
stub
Refresh Interval
disabled
5. 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
1. DomainDnsZones and - 2. ForestDnsZones
time stamp
Remove stale
6. 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.
aging
dnscmd . /config /enableglobalnamessupport 1
digitally sign
NRPT
7. 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: _______.
Win Srvr 2008 and Win Srvr 2008 R2
Scavenge Stale Resource Records
dnscmd /ZoneExport <zone name> <zone file name>
public key
8. What are the server requirements for storing a zone in AD?
14
The DNS server needs to be a domain controller.
partition
parent zone to a child zone
9. 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
%systemroot%System32Dns
Name Servers
CNAME resource records
trigger zone transfers on secondary zones
10. When you create a new zone - two types of records required for the zone are automatically created: ______
1. A SOA record 2. At least one NS record.
Host (A or AAAA) - Alias (CNAME) - Mail exchanger (MX) - Pointer (PTR) - Service location (SRV)
notification
Create Default Application Directory Partitions
11. The Zone Transfers tab also allows you to configure ______ to secondary servers whenever a change occurs at the primary zone.
trigger zone transfers on secondary zones
notification
Group Policy
%systemroot%System32Dns
12. 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:
To All DNS Servers In This Domain
Reload - Transfer From Master - Transfer New Copy Of Zone From Master
dnscmd servername /createdirectorypartition FQDN
Scavenge Stale Resource Records
13. 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
server level and at the zone level
A DS record
Remove stale
14. 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.
Group Policy
primary
Scavenging
Enterprise Admins
15. 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
trust anchor
NRPT
To All DNS Servers In This Domain
Expires After
16. 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.
14
Retry Interval
parent and child AD DS domains
NS record and an associated A record
17. To ______ a zone is to create a new zone for a subdomain within a DNS namespace and relinquish authority of that new zone.
trust anchor
To All Domain Controllers In This Domain
delegate
Transfer From Master
18. When you create a new zone - two types of records required for the zone are automatically created. List them.
Transfer From Master
enable zone transfers
Remove stale
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.
19. To enable GlobalNames zone support - At an elevated command prompt - type the following: ______.
14
dnscmd . /config /enableglobalnamessupport 1
accepted
dnscmd servername /createdirectorypartition FQDN
20. A ______ is a data structure in AD that distinguishes data for different replication purposes.
partition
Refresh Interval
CNAME resource records
aging
21. To create a custom application directory partition - type the following command:
dnscmd servername /createdirectorypartition FQDN
1. DomainDnsZones and - 2. ForestDnsZones
Reload - Transfer From Master - Transfer New Copy Of Zone From Master
primary
22. Alias resource records are sometimes called canonical names (CNAME). These records allow you to ______ a single host.
will not
Minimum (Default) TTL
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.
use more than one name to point to
23. DNS delegations are automatically used to separate ______ in a single forest.
Trust anchors
parent and child AD DS domains
Minimum (Default) TTL
will not
24. 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
CNAME resource records
trust anchor
AD Zone Replication Scope page
%systemroot%System32Dns
25. By default - zone transfers are ______ from any zone.
dnscmd servername /enlistdirectorypartition FQDN
dnscmd servername /createdirectorypartition FQDN
disabled
Create Default Application Directory Partitions
26. 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.
Name Servers
enable zone transfers
To All DNS Servers In This Domain
To All DNS Servers In This Forest
27. To enlist other DNS servers in the partition - type the following command:
Win Srvr 2008 and Win Srvr 2008 R2
NRPT
dnscmd servername /enlistdirectorypartition FQDN
masters
28. Scavenging can occur only when ______ is enabled.
NRPT
disabled
Service location (SRV)
aging
29. Public key cryptography provides ______ - which means that separate keys are used to encrypt and decrypt data.
NRPT
asymmetric encryption
dnscmd servername /enlistdirectorypartition FQDN
Win Srvr 2008 and Win Srvr 2008 R2
30. The ______ option stores the zone in the user-created application directory partition specified in the associated drop-down list box.
Scavenge Stale Resource Records
aging
To All Domain Controllers Specified In The Scope Of This Directory Partition
To All DNS Servers In This Forest
31. 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
dnscmd servername /createdirectorypartition FQDN
Transfer New Copy Of Zone From Master
The DNS server needs to be a domain controller.
32. 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
Reload
Scavenge Stale Resource Records
aging
will not
33. 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.
Transfer New Copy Of Zone From Master
To All DNS Servers In This Forest
%systemroot%System32Dns
dnscmd servername /createdirectorypartition FQDN
34. The GlobalNames zone is compatible only with DNS servers running ______. Therefore - it cannot replicate to servers running earlier versions of Windows Server.
masters
decreases
Win Srvr 2008 and Win Srvr 2008 R2
NRPT
35. 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 ______.
Scavenge Stale Resource Records
asymmetric encryption
1. A SOA record 2. At least one NS record.
manually enlist
36. What is the name of the record that contains a hash of the public key in a delegated subdomain?
14
A DS record
Retry Interval
Enterprise Admins
37. The most common resource records you need to create manually include the following:
Aging
dnscmd servername /createdirectorypartition FQDN
standard
Host (A or AAAA) - Alias (CNAME) - Mail exchanger (MX) - Pointer (PTR) - Service location (SRV)
38. The ______ option stores the new zone in the Domain-DnsZones partition. Every DC in the local domain and on which the DNS Server role is installed will receive a copy of the zone.
Standard zones
NS record and an associated A record
To All DNS Servers In This Domain
time stamp
39. Consequently - when aging is enabled - dynamically registered resource records can be scavenged after ___ days by default.
aging
DNS zone
14
To All Domain Controllers Specified In The Scope Of This Directory Partition
40. ______ refers to the process of deleting outdated resource records on which time stamps have been placed.
Scavenging
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.
1. A SOA record 2. At least one NS record.
To All Domain Controllers In This Domain
41. 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.
disabled
time stamp
trust anchor
Name Servers
42. Used to facilitate the resolution of single-label computer names in a large network.
Secondary
GlobalNames zone
CNAME resource records
Scavenging
43. 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 cache life of a resource record
Transfer New Copy Of Zone From Master
accepted
The Zone Aging/Scavenging Properties
44. ______ zones provide a means to offload DNS query traffic in areas of the network where a zone is heavily queried and used.
use more than one name to point to
Secondary
decreases
Refresh Interval
45. To enable aging for a particular zone - you have to enable this feature both at the ______ level.
Service location (SRV)
server level and at the zone level
Expires After
Trust anchors
46. ______ resource records are used to specify the location of specific services in a domain.
aging
the cache life of a resource record
CNAME resource records
Service location (SRV)
47. You can perform a delegation only from a ________________.
disabled
Win Srvr 2008 and Win Srvr 2008 R2
parent zone to a child zone
stub
48. 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.
parent and child AD DS domains
Scavenging
masters
CNAME resource records
49. Win 7 clients can be configured to request DNSSEC through the Name Resolution Policy Table (NRPT) in ______.
Notify
dnscmd . /config /enableglobalnamessupport 1
Group Policy
dnscmd servername /enlistdirectorypartition FQDN
50. For a DC to fall within the scope of such a directory partition - you must ______ that DC in the partition.
manually enlist
parent and child AD DS domains
Enterprise Admins
DNS zone