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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. Win 7 clients can be configured to request DNSSEC through the Name Resolution Policy Table (NRPT) in ______.
server level and at the zone level
masters
Transfer New Copy Of Zone From Master
Group Policy
2. By default - zone transfers are ______ from any zone.
Group Policy
Reload
disabled
masters
3. You use Group Policy to configure DNS clients to _________________.
request DNSSEC validation for specific queries
Transfer New Copy Of Zone From Master
Enterprise Admins
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.
4. Public key cryptography provides ______ - which means that separate keys are used to encrypt and decrypt data.
aging
Refresh Interval
asymmetric encryption
decreases
5. 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.
Win Srvr 2008 and Win Srvr 2008 R2
Remove stale
GlobalNames zone
masters
6. 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.
Scavenge Stale Resource Records
stub
accepted
enable zone transfers
7. ______ 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.
dnscmd servername /enlistdirectorypartition FQDN
The DNS server needs to be a domain controller.
DomainDnsZones
Trust anchors
8. To ______ a zone is to create a new zone for a subdomain within a DNS namespace and relinquish authority of that new zone.
DNS server
delegate
dnscmd /ZoneExport <zone name> <zone file name>
Netlogon
9. 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 ______.
14
Scavenge Stale Resource Records
aging
The Zone Aging/Scavenging Properties
10. Consequently - when aging is enabled - dynamically registered resource records can be scavenged after ___ days by default.
DomainDnsZones
Netlogon
aging
14
11. A ______ is a data structure in AD that distinguishes data for different replication purposes.
partition
A DS record
deploying a GlobalNames zone
GlobalNames zone
12. 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
standard
time stamp
decreases
13. To enlist other DNS servers in the partition - type the following command:
A DS record
Trust anchors
Refresh Interval
dnscmd servername /enlistdirectorypartition FQDN
14. 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.
To All Domain Controllers Specified In The Scope Of This Directory Partition
parent zone to a child zone
%systemroot%System32Dns
delegate
15. 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
Standard zones
Secondary
16. A ______ is a database containing records that associate names with addresses for a defined portion of a DNS namespace.
dnscmd /ZoneExport <zone name> <zone file name>
the cache life of a resource record
manually enlist
DNS zone
17. Alias resource records are sometimes called canonical names (CNAME). These records allow you to ______ a single host.
To All DNS Servers In This Domain
priority of dc2.lucernepublishing.com.
DomainDnsZones
use more than one name to point to
18. ______ resource records are used to specify the location of specific services in a domain.
standard
Service location (SRV)
time stamp
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. What kind of zones do not automatically perform time stamping on dynamically created resource records?
priority of dc2.lucernepublishing.com.
The DNS server needs to be a domain controller.
Standard zones
dnscmd /ZoneExport <zone name> <zone file name>
20. The ______ service uses SRV records to locate DCs in a domain by searching the domain for the LDAP service.
Netlogon
To All Domain Controllers Specified In The Scope Of This Directory Partition
Minimum (Default) TTL
Reload - Transfer From Master - Transfer New Copy Of Zone From Master
21. 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.
DomainDnsZones
The DNS server needs to be a domain controller.
standard
%systemroot%System32Dns
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 ______.
14
CNAME resource records
Create Default Application Directory Partitions
partition
23. The ______ partition is replicated among all DCs that are also DNS servers in a particular domain
The Zone Aging/Scavenging Properties
masters
Scavenging
DomainDnsZones
24. For a DC to fall within the scope of such a directory partition - you must ______ that DC in the partition.
Minimum (Default) TTL
Remove stale
manually enlist
will not
25. Increasing the refresh interval ______ zone transfer traffic.
DNS zone
decreases
public key
Notify
26. The ______ partition is replicated among all DCs that are also DNS servers in every domain in an AD forest.
ForestDnsZones
Enterprise Admins
NRPT
dnscmd . /config /enableglobalnamessupport 1
27. To enable aging for a particular zone - you have to enable this feature both at the ______ level.
Service location (SRV)
%systemroot%System32Dns
CNAME resource records
server level and at the zone level
28. 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.
Win Srvr 2008 and Win Srvr 2008 R2
To All DNS Servers In This Forest
1. A SOA record 2. At least one NS record.
Trust anchors
29. To create a custom application directory partition - type the following command:
dnscmd servername /createdirectorypartition FQDN
disabled
Transfer From Master
notification
30. This operation reloads the secondary zone from the local storage.
use more than one name to point to
Host (A or AAAA) - Alias (CNAME) - Mail exchanger (MX) - Pointer (PTR) - Service location (SRV)
Reload
server level and at the zone level
31. ______ zones provide a means to offload DNS query traffic in areas of the network where a zone is heavily queried and used.
Host (A or AAAA) - Alias (CNAME) - Mail exchanger (MX) - Pointer (PTR) - Service location (SRV)
accepted
will not
Secondary
32. DNSSEC in Win Server 2008 R2 allows a ______ to validate DNS data on behalf of its Win 7 clients.
request DNSSEC validation for specific queries
DNS server
Scavenging
Name Servers
33. 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
Minimum (Default) TTL
Retry Interval
The Zone Aging/Scavenging Properties
34. To enable GlobalNames zone support - At an elevated command prompt - type the following: ______.
AD Zone Replication Scope page
dnscmd . /config /enableglobalnamessupport 1
Create Default Application Directory Partitions
deploying a GlobalNames zone
35. Manually created resource records for all zone types are assigned a time stamp of 0; this value indicates that they ______ be aged.
Enterprise Admins
public key
Expires After
will not
36. 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
request DNSSEC validation for specific queries
the cache life of a resource record
Win Srvr 2008 and Win Srvr 2008 R2
The Zone Aging/Scavenging Properties
37. 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.
notification
Remove stale
Reload - Transfer From Master - Transfer New Copy Of Zone From Master
accepted
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.
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.
Expires After
To All Domain Controllers In This Domain
The Zone Aging/Scavenging Properties
39. In this way - digital signatures use ______ cryptography to prove that information is unspoofed and unchanged.
public key
will not
The Zone Aging/Scavenging Properties
Notify
40. Used to facilitate the resolution of single-label computer names in a large network.
Scavenging
GlobalNames zone
Netlogon
Service location (SRV)
41. 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>
dnscmd . /config /enableglobalnamessupport 1
dnscmd servername /enlistdirectorypartition FQDN
AD Zone Replication Scope page
42. 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.
%systemroot%System32Dns
Transfer New Copy Of Zone From Master
aging
To All Domain Controllers In This Domain
43. 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.
NRPT
Transfer From Master
Retry Interval
request DNSSEC validation for specific queries
44. 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.
trigger zone transfers on secondary zones
priority of dc2.lucernepublishing.com.
masters
dnscmd servername /createdirectorypartition FQDN
45. 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.
server level and at the zone level
accepted
partition
Retry Interval
46. What are the server requirements for storing a zone in AD?
The DNS server needs to be a domain controller.
Host (A or AAAA) - Alias (CNAME) - Mail exchanger (MX) - Pointer (PTR) - Service location (SRV)
Scavenge Stale Resource Records
parent zone to a child zone
47. 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.
Service location (SRV)
To All DNS Servers In This Domain
%systemroot%System32Dns
masters
48. ______ in DNS refers to the process of using time stamps to track the age of dynamically registered resource records.
Aging
public key
1. DomainDnsZones and - 2. ForestDnsZones
server level and at the zone level
49. To configure notifications - click ______ on the Zone Transfers tab when zone transfers are enabled.
time stamp
Scavenge Stale Resource Records
Notify
enable zone transfers
50. There are three basic steps in _______________: 1. Enable GlobalNames zone support. 2. Create the GlobalNames zone. 3. Populate the GlobalNames zone.
1. A SOA record 2. At least one NS record.
dnscmd servername /createdirectorypartition FQDN
deploying a GlobalNames zone
primary