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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 you create a new zone - two types of records required for the zone are automatically created: ______
trigger zone transfers on secondary zones
1. A SOA record 2. At least one NS record.
Service location (SRV)
parent zone to a child zone
2. Manually created resource records for all zone types are assigned a time stamp of 0; this value indicates that they ______ be aged.
delegate
public key
will not
The DNS server needs to be a domain controller.
3. ______ refers to the process of deleting outdated resource records on which time stamps have been placed.
Aging
Expires After
Scavenging
1. A SOA record 2. At least one NS record.
4. 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:
Reload - Transfer From Master - Transfer New Copy Of Zone From Master
ForestDnsZones
delegate
Service location (SRV)
5. Increasing the refresh interval ______ zone transfer traffic.
decreases
Remove stale
AD Zone Replication Scope page
Reload
6. What is the name of the record that contains a hash of the public key in a delegated subdomain?
To All Domain Controllers Specified In The Scope Of This Directory Partition
Scavenging
Expires After
A DS record
7. You can perform a delegation only from a ________________.
parent zone to a child zone
disabled
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.
Transfer From Master
8. 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.
parent zone to a child zone
%systemroot%System32Dns
Retry Interval
Netlogon
9. This operation reloads the secondary zone from the local storage.
NS record and an associated A record
enable zone transfers
Reload
trigger zone transfers on secondary zones
10. 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
use more than one name to point to
Netlogon
1. A SOA record 2. At least one NS record.
AD Zone Replication Scope page
11. DNS delegations are automatically used to separate ______ in a single forest.
To All Domain Controllers Specified In The Scope Of This Directory Partition
parent and child AD DS domains
DomainDnsZones
CNAME resource records
12. In this way - digital signatures use ______ cryptography to prove that information is unspoofed and unchanged.
public key
14
dnscmd servername /createdirectorypartition FQDN
masters
13. ______ in DNS refers to the process of using time stamps to track the age of dynamically registered resource records.
Aging
enable 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.
server level and at the zone level
14. By default - zone transfers are ______ from any zone.
disabled
NRPT
time stamp
Retry Interval
15. To create a custom application directory partition - type the following command:
DNS zone
dnscmd servername /createdirectorypartition FQDN
Name Servers
priority of dc2.lucernepublishing.com.
16. 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
disabled
1. DomainDnsZones and - 2. ForestDnsZones
delegate
The Zone Aging/Scavenging Properties
17. When you create a new zone - two types of records required for the zone are automatically created. List them.
ForestDnsZones
Reload
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.
Remove stale
18. 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.
Enterprise Admins
deploying a GlobalNames zone
Secondary
masters
19. 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
Create Default Application Directory Partitions
aging
DNS zone
Reload - Transfer From Master - Transfer New Copy Of Zone From Master
20. The ______ partition is replicated among all DCs that are also DNS servers in every domain in an AD forest.
use more than one name to point to
enable zone transfers
ForestDnsZones
%systemroot%System32Dns
21. Alias resource records are sometimes called canonical names (CNAME). These records allow you to ______ a single host.
dnscmd . /config /enableglobalnamessupport 1
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
use more than one name to point to
22. 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.
Retry Interval
standard
%systemroot%System32Dns
Aging
23. 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
Service location (SRV)
decreases
enable zone transfers
24. The most common resource records you need to create manually include the following:
To All DNS Servers In This Forest
Netlogon
trigger zone transfers on secondary zones
Host (A or AAAA) - Alias (CNAME) - Mail exchanger (MX) - Pointer (PTR) - Service location (SRV)
25. 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
decreases
deploying a GlobalNames zone
Minimum (Default) TTL
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.
Scavenging
NRPT
enable zone transfers
Refresh Interval
27. 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.
Netlogon
To All Domain Controllers In This Domain
Reload - Transfer From Master - Transfer New Copy Of Zone From Master
DNS server
28. 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.
Reload - Transfer From Master - Transfer New Copy Of Zone From Master
accepted
Enterprise Admins
digitally sign
29. 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.
deploying a GlobalNames zone
14
enable zone transfers
priority of dc2.lucernepublishing.com.
30. 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.
primary
Expires After
Transfer From Master
asymmetric encryption
31. 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.
priority of dc2.lucernepublishing.com.
Retry Interval
AD Zone Replication Scope page
time stamp
32. By default - DCs include two application directory partitions reserved for DNS data: ______.
Netlogon
1. DomainDnsZones and - 2. ForestDnsZones
manually enlist
time stamp
33. The Zone Transfers tab also allows you to configure ______ to secondary servers whenever a change occurs at the primary zone.
To All DNS Servers In This Domain
notification
time stamp
delegate
34. DNSSEC in Win Server 2008 R2 allows a ______ to validate DNS data on behalf of its Win 7 clients.
aging
DNS server
The Zone Aging/Scavenging Properties
trust anchor
35. To ______ a zone is to create a new zone for a subdomain within a DNS namespace and relinquish authority of that new zone.
To All DNS Servers In This Domain
dnscmd /ZoneExport <zone name> <zone file name>
DomainDnsZones
delegate
36. 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
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
1. DomainDnsZones and - 2. ForestDnsZones
37. Public key cryptography provides ______ - which means that separate keys are used to encrypt and decrypt data.
standard
Trust anchors
DNS zone
asymmetric encryption
38. DNSSEC enables a DNS server to ______ the resource records in its zones.
aging
digitally sign
delegate
accepted
39. A ______ is a data structure in AD that distinguishes data for different replication purposes.
dnscmd servername /createdirectorypartition FQDN
dnscmd /ZoneExport <zone name> <zone file name>
partition
DomainDnsZones
40. The ______ service uses SRV records to locate DCs in a domain by searching the domain for the LDAP service.
aging
Netlogon
will not
Reload
41. For a DC to fall within the scope of such a directory partition - you must ______ that DC in the partition.
manually enlist
dnscmd servername /enlistdirectorypartition FQDN
use more than one name to point to
CNAME resource records
42. ______ 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.
parent zone to a child zone
Trust anchors
DNS zone
use more than one name to point to
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
DomainDnsZones
Netlogon
To All DNS Servers In This Forest
44. Consequently - when aging is enabled - dynamically registered resource records can be scavenged after ___ days by default.
14
DomainDnsZones
stub
accepted
45. Scavenging can occur only when ______ is enabled.
1. DomainDnsZones and - 2. ForestDnsZones
AD Zone Replication Scope page
enable zone transfers
aging
46. 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: _______.
primary
dnscmd servername /enlistdirectorypartition FQDN
dnscmd . /config /enableglobalnamessupport 1
dnscmd /ZoneExport <zone name> <zone file name>
47. 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.
NRPT
To All Domain Controllers Specified In The Scope Of This Directory Partition
Scavenging
use more than one name to point to
48. To add an NS record - double-click any existing NS record in DNS Manager and add the server data to the ______ tab.
Name Servers
aging
aging
NS record and an associated A record
49. Win 7 clients can be configured to request DNSSEC through the Name Resolution Policy Table (NRPT) in ______.
stub
Group Policy
NS record and an associated A record
Standard zones
50. ______ resource records are used to specify the location of specific services in a domain.
decreases
parent zone to a child zone
Service location (SRV)
standard