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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. 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
Refresh Interval
aging
2. 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:
1. DomainDnsZones and - 2. ForestDnsZones
masters
dnscmd servername /enlistdirectorypartition FQDN
Reload - Transfer From Master - Transfer New Copy Of Zone From Master
3. 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.
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.
partition
public key
masters
4. 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
AD Zone Replication Scope page
partition
Trust anchors
A DS record
5. 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.
1. DomainDnsZones and - 2. ForestDnsZones
parent and child AD DS domains
The DNS server needs to be a domain controller.
%systemroot%System32Dns
6. 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
accepted
Reload
GlobalNames zone
The Zone Aging/Scavenging Properties
7. 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.
Enterprise Admins
Remove stale
NRPT
accepted
8. 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.
Standard zones
14
enable zone transfers
accepted
9. You can perform a delegation only from a ________________.
decreases
parent zone to a child zone
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.
aging
10. 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.
Transfer From Master
dnscmd . /config /enableglobalnamessupport 1
ForestDnsZones
notification
11. A ______ is a public key for a remote DNS server that is trusted and able to provide DNSSEC responses.
trust anchor
manually enlist
Retry Interval
Aging
12. For a DC to fall within the scope of such a directory partition - you must ______ that DC in the partition.
manually enlist
server level and at the zone level
NS record and an associated A record
parent and child AD DS domains
13. DNSSEC enables a DNS server to ______ the resource records in its zones.
1. DomainDnsZones and - 2. ForestDnsZones
Create Default Application Directory Partitions
primary
digitally sign
14. There are three basic steps in _______________: 1. Enable GlobalNames zone support. 2. Create the GlobalNames zone. 3. Populate the GlobalNames zone.
dnscmd servername /enlistdirectorypartition FQDN
trigger zone transfers on secondary zones
Reload - Transfer From Master - Transfer New Copy Of Zone From Master
deploying a GlobalNames zone
15. 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.
primary
Scavenging
parent and child AD DS domains
masters
16. In this way - digital signatures use ______ cryptography to prove that information is unspoofed and unchanged.
masters
GlobalNames zone
public key
Scavenging
17. 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
aging
partition
deploying a GlobalNames zone
the cache life of a resource record
18. To create a custom application directory partition - type the following command:
enable zone transfers
dnscmd servername /createdirectorypartition FQDN
DomainDnsZones
The DNS server needs to be a domain controller.
19. 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
Retry Interval
CNAME resource records
trust anchor
20. This operation reloads the secondary zone from the local storage.
Reload
Host (A or AAAA) - Alias (CNAME) - Mail exchanger (MX) - Pointer (PTR) - Service location (SRV)
Expires After
Transfer New Copy Of Zone From Master
21. By default - zone transfers are ______ from any zone.
Reload - Transfer From Master - Transfer New Copy Of Zone From Master
disabled
GlobalNames zone
Group Policy
22. 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.
parent and child AD DS domains
decreases
Minimum (Default) TTL
To All Domain Controllers In This Domain
23. 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
will not
Reload
Expires After
disabled
24. ______ 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.
Trust anchors
Netlogon
Transfer From Master
Host (A or AAAA) - Alias (CNAME) - Mail exchanger (MX) - Pointer (PTR) - Service location (SRV)
25. DNS delegations are automatically used to separate ______ in a single forest.
CNAME resource records
parent and child AD DS domains
Standard zones
Group Policy
26. 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 /ZoneExport <zone name> <zone file name>
Netlogon
A DS record
Reload
27. The GlobalNames zone is compatible only with DNS servers running ______. Therefore - it cannot replicate to servers running earlier versions of Windows Server.
delegate
A DS record
Win Srvr 2008 and Win Srvr 2008 R2
1. A SOA record 2. At least one NS record.
28. 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
Standard zones
Refresh Interval
Name Servers
29. 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
Scavenge Stale Resource Records
14
CNAME resource records
To All DNS Servers In This Domain
30. 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.
the cache life of a resource record
Retry Interval
Expires After
To All DNS Servers In This Domain
31. You must be a member of the ______ group to create an application directory partition.
The Zone Aging/Scavenging Properties
NS record and an associated A record
disabled
Enterprise Admins
32. 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.
AD Zone Replication Scope page
Retry Interval
dnscmd servername /createdirectorypartition FQDN
To All Domain Controllers In This Domain
33. Alias resource records are sometimes called canonical names (CNAME). These records allow you to ______ a single host.
A DS record
trust anchor
will not
use more than one name to point to
34. 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.
disabled
parent zone to a child zone
Refresh Interval
trust anchor
35. The ______ option stores the zone in the user-created application directory partition specified in the associated drop-down list box.
trigger zone transfers on secondary zones
To All Domain Controllers Specified In The Scope Of This Directory Partition
dnscmd servername /createdirectorypartition FQDN
asymmetric encryption
36. What kind of zones do not automatically perform time stamping on dynamically created resource records?
Transfer New Copy Of Zone From Master
server level and at the zone level
14
Standard zones
37. To enable aging for a particular zone - you have to enable this feature both at the ______ level.
DNS server
server level and at the zone level
public key
manually enlist
38. Win 7 clients can be configured to request DNSSEC through the Name Resolution Policy Table (NRPT) in ______.
Group Policy
Minimum (Default) TTL
Reload - Transfer From Master - Transfer New Copy Of Zone From Master
decreases
39. The ______ partition is replicated among all DCs that are also DNS servers in every domain in an AD forest.
The Zone Aging/Scavenging Properties
Secondary
ForestDnsZones
Reload - Transfer From Master - Transfer New Copy Of Zone From Master
40. 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
Retry Interval
trust anchor
dnscmd . /config /enableglobalnamessupport 1
41. 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
stub
Enterprise Admins
the cache life of a resource record
Notify
42. A ______ is a data structure in AD that distinguishes data for different replication purposes.
Trust anchors
partition
deploying a GlobalNames zone
1. A SOA record 2. At least one NS record.
43. 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
14
Reload
CNAME resource records
44. ______ resource records are used to specify the location of specific services in a domain.
Service location (SRV)
trust anchor
Netlogon
Expires After
45. 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
14
Trust anchors
parent zone to a child zone
46. To configure notifications - click ______ on the Zone Transfers tab when zone transfers are enabled.
Host (A or AAAA) - Alias (CNAME) - Mail exchanger (MX) - Pointer (PTR) - Service location (SRV)
time stamp
dnscmd . /config /enableglobalnamessupport 1
Notify
47. The Zone Transfers tab also allows you to configure ______ to secondary servers whenever a change occurs at the primary zone.
To All Domain Controllers In This Domain
will not
Reload - Transfer From Master - Transfer New Copy Of Zone From Master
notification
48. Increasing the refresh interval ______ zone transfer traffic.
decreases
Win Srvr 2008 and Win Srvr 2008 R2
dnscmd servername /createdirectorypartition FQDN
DNS server
49. Public key cryptography provides ______ - which means that separate keys are used to encrypt and decrypt data.
aging
enable zone transfers
asymmetric encryption
Host (A or AAAA) - Alias (CNAME) - Mail exchanger (MX) - Pointer (PTR) - Service location (SRV)
50. 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.
AD Zone Replication Scope page
Netlogon
enable zone transfers
Group Policy