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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. You use Group Policy to configure DNS clients to _________________.
Retry Interval
To All DNS Servers In This Domain
request DNSSEC validation for specific queries
use more than one name to point to
2. In this way - digital signatures use ______ cryptography to prove that information is unspoofed and unchanged.
standard
public key
DomainDnsZones
The Zone Aging/Scavenging Properties
3. 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 ______.
The DNS server needs to be a domain controller.
Aging
accepted
Scavenge Stale Resource Records
4. By default - zone transfers are ______ from any zone.
parent zone to a child zone
dnscmd servername /enlistdirectorypartition FQDN
CNAME resource records
disabled
5. 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
manually enlist
deploying a GlobalNames zone
The Zone Aging/Scavenging Properties
Enterprise Admins
6. Used to facilitate the resolution of single-label computer names in a large network.
the cache life of a resource record
Refresh Interval
To All DNS Servers In This Domain
GlobalNames zone
7. 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
manually enlist
Remove stale
DomainDnsZones
aging
8. 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
dnscmd /ZoneExport <zone name> <zone file name>
NRPT
14
9. The most common resource records you need to create manually include the following:
partition
Host (A or AAAA) - Alias (CNAME) - Mail exchanger (MX) - Pointer (PTR) - Service location (SRV)
trigger zone transfers on secondary zones
priority of dc2.lucernepublishing.com.
10. To enlist other DNS servers in the partition - type the following command:
parent zone to a child zone
Notify
dnscmd servername /enlistdirectorypartition FQDN
Enterprise Admins
11. 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.
time stamp
Expires After
Transfer From Master
DNS server
12. What does the 10 refer to in the following example: _ldap._tcp SRV 0 0 389 dc1.lucernepublishing.com.SRV 10 0 389 dc2.lucernepublishing.com.
priority of dc2.lucernepublishing.com.
Service location (SRV)
the cache life of a resource record
Name Servers
13. Manually created resource records for all zone types are assigned a time stamp of 0; this value indicates that they ______ be aged.
manually enlist
use more than one name to point to
ForestDnsZones
will not
14. You can perform a delegation only from a ________________.
parent zone to a child zone
DNS server
1. DomainDnsZones and - 2. ForestDnsZones
Service location (SRV)
15. 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
parent and child AD DS domains
disabled
Standard zones
trigger zone transfers on secondary zones
16. 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.
Transfer New Copy Of Zone From Master
delegate
To All Domain Controllers Specified In The Scope Of This Directory Partition
stub
17. 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 Domain
A DS record
Reload
enable zone transfers
18. To enable aging for a particular zone - you have to enable this feature both at the ______ level.
server level and at the zone level
trust anchor
aging
notification
19. A ______ is a data structure in AD that distinguishes data for different replication purposes.
partition
Service location (SRV)
Scavenging
The DNS server needs to be a domain controller.
20. Win 7 clients can be configured to request DNSSEC through the Name Resolution Policy Table (NRPT) in ______.
partition
Group Policy
primary
To All Domain Controllers In This Domain
21. A ______ is a database containing records that associate names with addresses for a defined portion of a DNS namespace.
DNS server
trigger zone transfers on secondary zones
DNS zone
To All Domain Controllers Specified In The Scope Of This Directory Partition
22. To configure notifications - click ______ on the Zone Transfers tab when zone transfers are enabled.
primary
Notify
DNS server
AD Zone Replication Scope page
23. There are three basic steps in _______________: 1. Enable GlobalNames zone support. 2. Create the GlobalNames zone. 3. Populate the GlobalNames zone.
aging
The Zone Aging/Scavenging Properties
deploying a GlobalNames zone
CNAME resource records
24. 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.
Retry Interval
Group Policy
Name Servers
Secondary
25. What kind of zones do not automatically perform time stamping on dynamically created 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.
AD Zone Replication Scope page
Standard zones
use more than one name to point to
26. For a DC to fall within the scope of such a directory partition - you must ______ that DC in the partition.
manually enlist
time stamp
aging
trust anchor
27. 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.
public key
primary
accepted
request DNSSEC validation for specific queries
28. ______ in DNS refers to the process of using time stamps to track the age of dynamically registered resource records.
Minimum (Default) TTL
Aging
stub
trust anchor
29. 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
time stamp
Host (A or AAAA) - Alias (CNAME) - Mail exchanger (MX) - Pointer (PTR) - Service location (SRV)
30. 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.
asymmetric encryption
Refresh Interval
To All Domain Controllers In This Domain
Aging
31. 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.
%systemroot%System32Dns
dnscmd servername /enlistdirectorypartition FQDN
Transfer From Master
DNS zone
32. 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
disabled
time stamp
The Zone Aging/Scavenging Properties
AD Zone Replication Scope page
33. 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.
dnscmd servername /enlistdirectorypartition FQDN
To All DNS Servers In This Domain
Enterprise Admins
primary
34. 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.
deploying a GlobalNames zone
CNAME resource records
To All DNS Servers In This Domain
DomainDnsZones
35. ______ refers to the process of deleting outdated resource records on which time stamps have been placed.
Host (A or AAAA) - Alias (CNAME) - Mail exchanger (MX) - Pointer (PTR) - Service location (SRV)
To All DNS Servers In This Forest
Scavenging
Refresh Interval
36. To add an NS record - double-click any existing NS record in DNS Manager and add the server data to the ______ tab.
Name Servers
Enterprise Admins
will not
To All DNS Servers In This Domain
37. ______ resource records are used to specify the location of specific services in a domain.
aging
Retry Interval
Service location (SRV)
Standard zones
38. DNSSEC in Win Server 2008 R2 allows a ______ to validate DNS data on behalf of its Win 7 clients.
priority of dc2.lucernepublishing.com.
1. DomainDnsZones and - 2. ForestDnsZones
DNS server
Scavenging
39. DNS delegations are automatically used to separate ______ in a single forest.
1. A SOA record 2. At least one NS record.
parent and child AD DS domains
Notify
The Zone Aging/Scavenging Properties
40. 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
dnscmd . /config /enableglobalnamessupport 1
Service location (SRV)
stub
41. A ______ is a public key for a remote DNS server that is trusted and able to provide DNSSEC responses.
stub
A DS record
NRPT
trust anchor
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.
To All Domain Controllers Specified In The Scope Of This Directory Partition
Trust anchors
A DS record
enable zone transfers
43. 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.
the cache life of a resource record
CNAME resource records
NRPT
server level and at the zone level
44. Increasing the refresh interval ______ zone transfer traffic.
decreases
Secondary
To All Domain Controllers In This Domain
Reload - Transfer From Master - Transfer New Copy Of Zone From Master
45. To ______ a zone is to create a new zone for a subdomain within a DNS namespace and relinquish authority of that new zone.
14
Expires After
delegate
ForestDnsZones
46. To enable GlobalNames zone support - At an elevated command prompt - type the following: ______.
dnscmd . /config /enableglobalnamessupport 1
partition
masters
The Zone Aging/Scavenging Properties
47. 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
A DS record
Aging
The Zone Aging/Scavenging Properties
48. This operation reloads the secondary zone from the local storage.
Reload
DNS zone
notification
Win Srvr 2008 and Win Srvr 2008 R2
49. 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.
server level and at the zone level
priority of dc2.lucernepublishing.com.
manually enlist
stub
50. Consequently - when aging is enabled - dynamically registered resource records can be scavenged after ___ days by default.
Remove stale
To All DNS Servers In This Domain
14
decreases