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Test your basic knowledge |
MCTS: Configuring A DNS Zone Infrastructure
Subjects
:
certifications
,
mcts
,
it-skills
Instructions:
Answer
50
questions in
20 minutes
.
1 minute extra for reading the instructions.
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. Alias resource records are sometimes called canonical names (CNAME). These records allow you to ______ a single host.
manually enlist
masters
use more than one name to point to
the cache life of a resource record
2. 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
disabled
aging
DomainDnsZones
Standard zones
3. 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.
request DNSSEC validation for specific queries
Retry Interval
partition
Group Policy
4. 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.
To All DNS Servers In This Domain
deploying a GlobalNames zone
accepted
Reload
5. 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
Reload
aging
AD Zone Replication Scope page
1. A SOA record 2. At least one NS record.
6. DNSSEC in Win Server 2008 R2 allows a ______ to validate DNS data on behalf of its Win 7 clients.
DNS server
partition
Transfer From Master
the cache life of a resource record
7. Used to facilitate the resolution of single-label computer names in a large network.
AD Zone Replication Scope page
standard
delegate
GlobalNames zone
8. This operation reloads the secondary zone from the local storage.
Reload
dnscmd . /config /enableglobalnamessupport 1
standard
public key
9. 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.
parent zone to a child zone
primary
aging
enable zone transfers
10. Scavenging can occur only when ______ is enabled.
delegate
aging
will not
Enterprise Admins
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:
Service location (SRV)
Name Servers
Reload - Transfer From Master - Transfer New Copy Of Zone From Master
1. A SOA record 2. At least one NS record.
12. Consequently - when aging is enabled - dynamically registered resource records can be scavenged after ___ days by default.
Name Servers
NRPT
14
Scavenging
13. 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
digitally sign
Standard zones
Netlogon
14. ______ in DNS refers to the process of using time stamps to track the age of dynamically registered resource records.
Aging
delegate
%systemroot%System32Dns
enable zone transfers
15. 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.
will not
Refresh Interval
Netlogon
delegate
16. 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.
Create Default Application Directory Partitions
1. DomainDnsZones and - 2. ForestDnsZones
Aging
NS record and an associated A record
17. What kind of zones do not automatically perform time stamping on dynamically created resource records?
trigger zone transfers on secondary zones
deploying a GlobalNames zone
standard
Standard zones
18. 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.
dnscmd . /config /enableglobalnamessupport 1
accepted
GlobalNames zone
stub
19. The most common resource records you need to create manually include the following:
A DS record
stub
deploying a GlobalNames zone
Host (A or AAAA) - Alias (CNAME) - Mail exchanger (MX) - Pointer (PTR) - Service location (SRV)
20. A ______ is a public key for a remote DNS server that is trusted and able to provide DNSSEC responses.
dnscmd /ZoneExport <zone name> <zone file name>
parent zone to a child zone
A DS record
trust anchor
21. 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
dnscmd servername /enlistdirectorypartition FQDN
ForestDnsZones
trigger zone transfers on secondary zones
The Zone Aging/Scavenging Properties
22. 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
digitally sign
deploying a GlobalNames zone
ForestDnsZones
23. 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
decreases
aging
CNAME resource records
Group Policy
24. 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: _______.
Minimum (Default) TTL
priority of dc2.lucernepublishing.com.
Netlogon
dnscmd /ZoneExport <zone name> <zone file name>
25. 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
parent zone to a child zone
parent and child AD DS domains
The Zone Aging/Scavenging Properties
dnscmd . /config /enableglobalnamessupport 1
26. Manually created resource records for all zone types are assigned a time stamp of 0; this value indicates that they ______ be aged.
trigger zone transfers on secondary zones
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.
will not
use more than one name to point to
27. The ______ partition is replicated among all DCs that are also DNS servers in every domain in an AD forest.
Host (A or AAAA) - Alias (CNAME) - Mail exchanger (MX) - Pointer (PTR) - Service location (SRV)
ForestDnsZones
Transfer From Master
Expires After
28. 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.
Reload
The Zone Aging/Scavenging Properties
partition
standard
29. 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.
manually enlist
Group Policy
time stamp
Notify
30. In this way - digital signatures use ______ cryptography to prove that information is unspoofed and unchanged.
public key
standard
Reload - Transfer From Master - Transfer New Copy Of Zone From Master
stub
31. The ______ service uses SRV records to locate DCs in a domain by searching the domain for the LDAP service.
dnscmd servername /createdirectorypartition FQDN
Create Default Application Directory Partitions
Notify
Netlogon
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.
notification
Trust anchors
Transfer New Copy Of Zone From Master
deploying a GlobalNames zone
33. 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.
deploying a GlobalNames zone
public key
dnscmd . /config /enableglobalnamessupport 1
To All DNS Servers In This Forest
34. 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.
Reload - Transfer From Master - Transfer New Copy Of Zone From Master
time stamp
%systemroot%System32Dns
35. ______ resource records are used to specify the location of specific services in a domain.
A DS record
14
Service location (SRV)
deploying a GlobalNames zone
36. 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
Netlogon
Standard zones
Trust anchors
37. To add an NS record - double-click any existing NS record in DNS Manager and add the server data to the ______ tab.
Name Servers
parent and child AD DS domains
Win Srvr 2008 and Win Srvr 2008 R2
priority of dc2.lucernepublishing.com.
38. 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.
To All Domain Controllers In This Domain
digitally sign
public key
deploying a GlobalNames zone
39. The Zone Transfers tab also allows you to configure ______ to secondary servers whenever a change occurs at the primary zone.
NS record and an associated A record
Transfer New Copy Of Zone From Master
time stamp
notification
40. The GlobalNames zone is compatible only with DNS servers running ______. Therefore - it cannot replicate to servers running earlier versions of Windows Server.
Retry Interval
Win Srvr 2008 and Win Srvr 2008 R2
GlobalNames zone
parent zone to a child zone
41. DNS delegations are automatically used to separate ______ in a single forest.
Aging
parent and child AD DS domains
14
standard
42. A ______ is a data structure in AD that distinguishes data for different replication purposes.
Transfer New Copy Of Zone From Master
Minimum (Default) TTL
partition
Secondary
43. You can perform a delegation only from a ________________.
Scavenge Stale Resource Records
Trust anchors
parent zone to a child zone
manually enlist
44. To create a custom application directory partition - type the following command:
dnscmd servername /createdirectorypartition FQDN
delegate
AD Zone Replication Scope page
trigger zone transfers on secondary zones
45. To configure notifications - click ______ on the Zone Transfers tab when zone transfers are enabled.
delegate
Notify
NS record and an associated A record
dnscmd servername /createdirectorypartition FQDN
46. 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 ______.
To All DNS Servers In This Forest
Scavenge Stale Resource Records
Group Policy
The Zone Aging/Scavenging Properties
47. You must be a member of the ______ group to create an application directory partition.
the cache life of a resource record
aging
The Zone Aging/Scavenging Properties
Enterprise Admins
48. To enable aging for a particular zone - you have to enable this feature both at the ______ level.
Name Servers
server level and at the zone level
the cache life of a resource record
Minimum (Default) TTL
49. ______ 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.
trigger zone transfers on secondary zones
Minimum (Default) TTL
notification
Trust anchors
50. What is the name of the record that contains a hash of the public key in a delegated subdomain?
To All DNS Servers In This Forest
Create Default Application Directory Partitions
DNS zone
A DS record