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