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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.
aging
trigger zone transfers on secondary zones
A DS record
masters
2. A ______ is a data structure in AD that distinguishes data for different replication purposes.
the cache life of a resource record
dnscmd . /config /enableglobalnamessupport 1
dnscmd servername /createdirectorypartition FQDN
partition
3. ______ refers to the process of deleting outdated resource records on which time stamps have been placed.
1. DomainDnsZones and - 2. ForestDnsZones
dnscmd . /config /enableglobalnamessupport 1
Scavenging
Remove stale
4. By default - DCs include two application directory partitions reserved for DNS data: ______.
the cache life of a resource record
1. DomainDnsZones and - 2. ForestDnsZones
Reload
dnscmd . /config /enableglobalnamessupport 1
5. Increasing the refresh interval ______ zone transfer traffic.
enable zone transfers
decreases
CNAME resource records
trust anchor
6. 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.
aging
masters
dnscmd servername /enlistdirectorypartition FQDN
DNS zone
7. What is the name of the record that contains a hash of the public key in a delegated subdomain?
GlobalNames zone
A DS record
14
Transfer New Copy Of Zone From Master
8. 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
aging
the cache life of a resource record
Group Policy
use more than one name to point to
9. Win 7 clients can be configured to request DNSSEC through the Name Resolution Policy Table (NRPT) in ______.
Name Servers
Group Policy
Reload - Transfer From Master - Transfer New Copy Of Zone From Master
1. DomainDnsZones and - 2. ForestDnsZones
10. To create a custom application directory partition - type the following command:
Win Srvr 2008 and Win Srvr 2008 R2
Retry Interval
dnscmd servername /createdirectorypartition FQDN
dnscmd servername /enlistdirectorypartition FQDN
11. This operation reloads the secondary zone from the local storage.
digitally sign
will not
Scavenge Stale Resource Records
Reload
12. The ______ partition is replicated among all DCs that are also DNS servers in a particular domain
DNS zone
Expires After
DomainDnsZones
CNAME resource records
13. You can perform a delegation only from a ________________.
parent zone to a child zone
Refresh Interval
Trust anchors
To All Domain Controllers Specified In The Scope Of This Directory Partition
14. DNSSEC in Win Server 2008 R2 allows a ______ to validate DNS data on behalf of its Win 7 clients.
parent and child AD DS domains
To All DNS Servers In This Domain
disabled
DNS server
15. 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.
enable zone transfers
delegate
public key
To All DNS Servers In This Forest
16. ______ 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 In This Domain
Trust anchors
To All Domain Controllers Specified In The Scope Of This Directory Partition
Transfer From Master
17. When you create a new zone - two types of records required for the zone are automatically created: ______
primary
1. A SOA record 2. At least one NS record.
will not
deploying a GlobalNames zone
18. 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.
Create Default Application Directory Partitions
Aging
Refresh Interval
decreases
19. You must be a member of the ______ group to create an application directory partition.
manually enlist
Enterprise Admins
accepted
Aging
20. The Zone Transfers tab also allows you to configure ______ to secondary servers whenever a change occurs at the primary zone.
Win Srvr 2008 and Win Srvr 2008 R2
14
notification
Scavenge Stale Resource Records
21. ______ resource records are used to specify the location of specific services in a domain.
Enterprise Admins
Service location (SRV)
request DNSSEC validation for specific queries
stub
22. What are the server requirements for storing a zone in AD?
The DNS server needs to be a domain controller.
trust anchor
Reload - Transfer From Master - Transfer New Copy Of Zone From Master
1. A SOA record 2. At least one NS record.
23. 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
time stamp
delegate
Name Servers
24. Used to facilitate the resolution of single-label computer names in a large network.
The Zone Aging/Scavenging Properties
Scavenging
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.
GlobalNames zone
25. To configure notifications - click ______ on the Zone Transfers tab when zone transfers are enabled.
AD Zone Replication Scope page
trust anchor
Notify
time stamp
26. Public key cryptography provides ______ - which means that separate keys are used to encrypt and decrypt data.
Scavenging
asymmetric encryption
Notify
use more than one name to point to
27. 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
Secondary
1. A SOA record 2. At least one NS record.
Service location (SRV)
28. 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 servername /createdirectorypartition FQDN
stub
server level and at the zone level
Win Srvr 2008 and Win Srvr 2008 R2
29. 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.
Retry Interval
Scavenging
DNS zone
Transfer New Copy Of Zone From Master
30. 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
notification
stub
aging
accepted
31. Manually created resource records for all zone types are assigned a time stamp of 0; this value indicates that they ______ be aged.
dnscmd servername /createdirectorypartition FQDN
digitally sign
Transfer From Master
will not
32. Alias resource records are sometimes called canonical names (CNAME). These records allow you to ______ a single host.
NRPT
To All Domain Controllers Specified In The Scope Of This Directory Partition
Reload - Transfer From Master - Transfer New Copy Of Zone From Master
use more than one name to point to
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.
digitally sign
stub
standard
the cache life of a resource record
34. The ______ partition is replicated among all DCs that are also DNS servers in every domain in an AD forest.
Win Srvr 2008 and Win Srvr 2008 R2
The DNS server needs to be a domain controller.
ForestDnsZones
digitally sign
35. When you create a new zone - two types of records required for the zone are automatically created. List them.
Group Policy
Transfer New Copy Of Zone From Master
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.
GlobalNames zone
36. DNSSEC enables a DNS server to ______ the resource records in its zones.
digitally sign
Retry Interval
Transfer From Master
Enterprise Admins
37. The value you configure in the ______ text box determines the length of time that a secondary server - without any contact with its master server - continues to answer queries from DNS clients. After this time elapses - the data is considered unrelia
Secondary
Expires After
delegate
The Zone Aging/Scavenging Properties
38. 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 ______.
Host (A or AAAA) - Alias (CNAME) - Mail exchanger (MX) - Pointer (PTR) - Service location (SRV)
Scavenge Stale Resource Records
Retry Interval
Service location (SRV)
39. 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.
DNS zone
trust anchor
Remove stale
time stamp
40. 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.
Secondary
%systemroot%System32Dns
time stamp
A DS record
41. 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.
server level and at the zone level
disabled
priority of dc2.lucernepublishing.com.
The DNS server needs to be a domain controller.
42. The ______ service uses SRV records to locate DCs in a domain by searching the domain for the LDAP service.
DNS server
Netlogon
Group Policy
priority of dc2.lucernepublishing.com.
43. To enable aging for a particular zone - you have to enable this feature both at the ______ level.
masters
server level and at the zone level
DomainDnsZones
aging
44. To enlist other DNS servers in the partition - type the following command:
dnscmd servername /enlistdirectorypartition FQDN
accepted
Remove stale
Win Srvr 2008 and Win Srvr 2008 R2
45. 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>
time stamp
primary
Reload
46. A ______ is a database containing records that associate names with addresses for a defined portion of a DNS namespace.
CNAME resource records
DNS zone
public key
dnscmd /ZoneExport <zone name> <zone file name>
47. 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:
Aging
Create Default Application Directory Partitions
1. DomainDnsZones and - 2. ForestDnsZones
Reload - Transfer From Master - Transfer New Copy Of Zone From Master
48. To ______ a zone is to create a new zone for a subdomain within a DNS namespace and relinquish authority of that new zone.
Host (A or AAAA) - Alias (CNAME) - Mail exchanger (MX) - Pointer (PTR) - Service location (SRV)
delegate
time stamp
To All Domain Controllers In This Domain
49. For a DC to fall within the scope of such a directory partition - you must ______ that DC in the partition.
DNS zone
To All Domain Controllers In This Domain
manually enlist
%systemroot%System32Dns
50. You use Group Policy to configure DNS clients to _________________.
enable zone transfers
request DNSSEC validation for specific queries
A DS record
Transfer New Copy Of Zone From Master