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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. Scavenging can occur only when ______ is enabled.
Host (A or AAAA) - Alias (CNAME) - Mail exchanger (MX) - Pointer (PTR) - Service location (SRV)
Reload - Transfer From Master - Transfer New Copy Of Zone From Master
Retry Interval
aging
2. To enable aging for a particular zone - you have to enable this feature both at the ______ level.
server level and at the zone level
Aging
Scavenging
trigger zone transfers on secondary zones
3. To enlist other DNS servers in the partition - type the following command:
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.
To All DNS Servers In This Domain
dnscmd servername /enlistdirectorypartition FQDN
14
4. 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.
Create Default Application Directory Partitions
Remove stale
time stamp
trust anchor
5. 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
GlobalNames zone
parent zone to a child zone
6. Manually created resource records for all zone types are assigned a time stamp of 0; this value indicates that they ______ be aged.
accepted
Scavenge Stale Resource Records
A DS record
will not
7. For a DC to fall within the scope of such a directory partition - you must ______ that DC in the partition.
dnscmd /ZoneExport <zone name> <zone file name>
aging
will not
manually enlist
8. 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.
public key
Name Servers
aging
Retry Interval
9. To create a custom application directory partition - type the following command:
decreases
the cache life of a resource record
Expires After
dnscmd servername /createdirectorypartition FQDN
10. To configure notifications - click ______ on the Zone Transfers tab when zone transfers are enabled.
DNS zone
Notify
digitally sign
DNS server
11. 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
CNAME resource records
asymmetric encryption
%systemroot%System32Dns
aging
12. You can perform a delegation only from a ________________.
Name Servers
time stamp
notification
parent zone to a child zone
13. 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
Host (A or AAAA) - Alias (CNAME) - Mail exchanger (MX) - Pointer (PTR) - Service location (SRV)
time stamp
partition
14. 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.
A DS record
trigger zone transfers on secondary zones
Refresh Interval
parent and child AD DS domains
15. Public key cryptography provides ______ - which means that separate keys are used to encrypt and decrypt data.
Remove stale
Create Default Application Directory Partitions
asymmetric encryption
The Zone Aging/Scavenging Properties
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.
Reload - Transfer From Master - Transfer New Copy Of Zone From Master
Transfer New Copy Of Zone From Master
Host (A or AAAA) - Alias (CNAME) - Mail exchanger (MX) - Pointer (PTR) - Service location (SRV)
DNS server
17. 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.
A DS record
partition
dnscmd . /config /enableglobalnamessupport 1
Remove stale
18. 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>
AD Zone Replication Scope page
NS record and an associated A record
stub
19. There are three basic steps in _______________: 1. Enable GlobalNames zone support. 2. Create the GlobalNames zone. 3. Populate the GlobalNames zone.
use more than one name to point to
deploying a GlobalNames zone
Name Servers
priority of dc2.lucernepublishing.com.
20. 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.
enable zone transfers
Host (A or AAAA) - Alias (CNAME) - Mail exchanger (MX) - Pointer (PTR) - Service location (SRV)
server level and at the zone level
stub
21. To add an NS record - double-click any existing NS record in DNS Manager and add the server data to the ______ tab.
Scavenging
Minimum (Default) TTL
Remove stale
Name Servers
22. 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
GlobalNames zone
To All DNS Servers In This Forest
Enterprise Admins
23. Win 7 clients can be configured to request DNSSEC through the Name Resolution Policy Table (NRPT) in ______.
A DS record
Group Policy
time stamp
accepted
24. The GlobalNames zone is compatible only with DNS servers running ______. Therefore - it cannot replicate to servers running earlier versions of Windows Server.
asymmetric encryption
Enterprise Admins
Win Srvr 2008 and Win Srvr 2008 R2
disabled
25. The ______ service uses SRV records to locate DCs in a domain by searching the domain for the LDAP service.
14
To All DNS Servers In This Domain
Netlogon
GlobalNames zone
26. By default - zone transfers are ______ from any zone.
disabled
Minimum (Default) TTL
use more than one name to point to
A DS record
27. 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
AD Zone Replication Scope page
server level and at the zone level
DNS zone
28. 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
Transfer From Master
trigger zone transfers on secondary zones
Group Policy
29. ______ 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 anchors
trigger zone transfers on secondary zones
standard
primary
30. 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 ______.
%systemroot%System32Dns
Scavenge Stale Resource Records
To All Domain Controllers In This Domain
Reload
31. 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.
Refresh Interval
Service location (SRV)
Transfer New Copy Of Zone From Master
To All Domain Controllers In This Domain
32. The Zone Transfers tab also allows you to configure ______ to secondary servers whenever a change occurs at the primary zone.
public key
To All DNS Servers In This Forest
notification
Trust anchors
33. 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.
%systemroot%System32Dns
standard
A DS record
14
34. What are the server requirements for storing a zone in AD?
public key
trigger zone transfers on secondary zones
The DNS server needs to be a domain controller.
digitally sign
35. The ______ option stores the zone in the user-created application directory partition specified in the associated drop-down list box.
enable zone transfers
14
To All Domain Controllers Specified In The Scope Of This Directory Partition
Transfer New Copy Of Zone From Master
36. 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
14
DomainDnsZones
manually enlist
trigger zone transfers on secondary zones
37. This operation reloads the secondary zone from the local storage.
Retry Interval
Reload
14
AD Zone Replication Scope page
38. 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
Create Default Application Directory Partitions
delegate
aging
39. What kind of zones do not automatically perform time stamping on dynamically created resource records?
Name Servers
Standard zones
Notify
digitally sign
40. 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.
Notify
Trust anchors
stub
trigger zone transfers on secondary zones
41. Alias resource records are sometimes called canonical names (CNAME). These records allow you to ______ a single host.
use more than one name to point to
public key
Scavenge Stale Resource Records
request DNSSEC validation for specific queries
42. To enable GlobalNames zone support - At an elevated command prompt - type the following: ______.
will not
dnscmd . /config /enableglobalnamessupport 1
NRPT
Transfer From Master
43. Increasing the refresh interval ______ zone transfer traffic.
time stamp
Trust anchors
decreases
dnscmd servername /createdirectorypartition FQDN
44. The ______ partition is replicated among all DCs that are also DNS servers in every domain in an AD forest.
primary
will not
1. A SOA record 2. At least one NS record.
ForestDnsZones
45. 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
the cache life of a resource record
The DNS server needs to be a domain controller.
Retry Interval
46. ______ resource records are used to specify the location of specific services in a domain.
use more than one name to point to
The Zone Aging/Scavenging Properties
Service location (SRV)
time stamp
47. DNS delegations are automatically used to separate ______ in a single forest.
aging
masters
To All DNS Servers In This Forest
parent and child AD DS domains
48. 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
public key
time stamp
The Zone Aging/Scavenging Properties
Service location (SRV)
49. ______ refers to the process of deleting outdated resource records on which time stamps have been placed.
Scavenging
1. DomainDnsZones and - 2. ForestDnsZones
asymmetric encryption
aging
50. You must be a member of the ______ group to create an application directory partition.
The DNS server needs to be a domain controller.
use more than one name to point to
server level and at the zone level
Enterprise Admins