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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. A ______ is a database containing records that associate names with addresses for a defined portion of a DNS namespace.
DNS zone
Standard zones
deploying a GlobalNames zone
use more than one name to point to
2. ______ refers to the process of deleting outdated resource records on which time stamps have been placed.
Create Default Application Directory Partitions
dnscmd /ZoneExport <zone name> <zone file name>
Scavenging
server level and at the zone level
3. 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
AD Zone Replication Scope page
manually enlist
Transfer New Copy Of Zone From Master
4. 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.
Refresh Interval
A DS record
primary
stub
5. To add an NS record - double-click any existing NS record in DNS Manager and add the server data to the ______ tab.
Transfer From Master
disabled
Name Servers
Remove stale
6. When you create a new zone - two types of records required for the zone are automatically created. List them.
1. DomainDnsZones and - 2. ForestDnsZones
Minimum (Default) TTL
GlobalNames zone
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.
7. Scavenging can occur only when ______ is enabled.
parent zone to a child zone
aging
Netlogon
Service location (SRV)
8. 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.
notification
Expires After
NRPT
NS record and an associated A record
9. 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.
DNS zone
Transfer From Master
Netlogon
The Zone Aging/Scavenging Properties
10. Consequently - when aging is enabled - dynamically registered resource records can be scavenged after ___ days by default.
disabled
standard
time stamp
14
11. 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.
Name Servers
accepted
Service location (SRV)
CNAME resource records
12. There are three basic steps in _______________: 1. Enable GlobalNames zone support. 2. Create the GlobalNames zone. 3. Populate the GlobalNames zone.
Enterprise Admins
deploying a GlobalNames zone
The Zone Aging/Scavenging Properties
Expires After
13. 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
Aging
Retry Interval
Trust anchors
The Zone Aging/Scavenging Properties
14. 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 ______.
stub
partition
Scavenge Stale Resource Records
trust anchor
15. 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
DNS zone
parent zone to a child zone
manually enlist
Expires After
16. 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.
ForestDnsZones
DomainDnsZones
masters
%systemroot%System32Dns
17. A ______ is a data structure in AD that distinguishes data for different replication purposes.
Enterprise Admins
Reload
partition
asymmetric encryption
18. This operation reloads the secondary zone from the local storage.
Service location (SRV)
the cache life of a resource record
1. A SOA record 2. At least one NS record.
Reload
19. You must be a member of the ______ group to create an application directory partition.
decreases
Expires After
Enterprise Admins
Reload - Transfer From Master - Transfer New Copy Of Zone From Master
20. When you create a new zone - two types of records required for the zone are automatically created: ______
1. DomainDnsZones and - 2. ForestDnsZones
DomainDnsZones
1. A SOA record 2. At least one NS record.
dnscmd /ZoneExport <zone name> <zone file name>
21. 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.
stub
To All DNS Servers In This Domain
The DNS server needs to be a domain controller.
Group Policy
22. 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.
Standard zones
Minimum (Default) TTL
accepted
asymmetric encryption
23. ______ 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.
Scavenge Stale Resource Records
Trust anchors
primary
time stamp
24. What is the name of the record that contains a hash of the public key in a delegated subdomain?
A DS record
dnscmd . /config /enableglobalnamessupport 1
manually enlist
1. A SOA record 2. At least one NS record.
25. 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: _______.
use more than one name to point to
dnscmd /ZoneExport <zone name> <zone file name>
trust anchor
The DNS server needs to be a domain controller.
26. 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.
disabled
partition
1. DomainDnsZones and - 2. ForestDnsZones
enable zone transfers
27. 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.
parent and child AD DS domains
To All DNS Servers In This Domain
dnscmd /ZoneExport <zone name> <zone file name>
Scavenging
28. The ______ partition is replicated among all DCs that are also DNS servers in a particular domain
DomainDnsZones
dnscmd servername /enlistdirectorypartition FQDN
deploying a GlobalNames zone
time stamp
29. The ______ service uses SRV records to locate DCs in a domain by searching the domain for the LDAP service.
manually enlist
CNAME resource records
1. DomainDnsZones and - 2. ForestDnsZones
Netlogon
30. Win 7 clients can be configured to request DNSSEC through the Name Resolution Policy Table (NRPT) in ______.
delegate
Retry Interval
Group Policy
NS record and an associated A record
31. 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
Scavenge Stale Resource Records
1. A SOA record 2. At least one NS record.
aging
public key
32. ______ resource records are used to specify the location of specific services in a domain.
Minimum (Default) TTL
Service location (SRV)
Netlogon
Notify
33. What kind of zones do not automatically perform time stamping on dynamically created resource records?
Notify
dnscmd /ZoneExport <zone name> <zone file name>
digitally sign
Standard zones
34. For a DC to fall within the scope of such a directory partition - you must ______ that DC in the partition.
Service location (SRV)
manually enlist
Win Srvr 2008 and Win Srvr 2008 R2
Aging
35. To enlist other DNS servers in the partition - type the following command:
notification
masters
the cache life of a resource record
dnscmd servername /enlistdirectorypartition FQDN
36. To enable aging for a particular zone - you have to enable this feature both at the ______ level.
stub
server level and at the zone level
use more than one name to point to
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.
37. In this way - digital signatures use ______ cryptography to prove that information is unspoofed and unchanged.
masters
public key
Retry Interval
dnscmd servername /createdirectorypartition FQDN
38. 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.
parent and child AD DS domains
dnscmd servername /enlistdirectorypartition FQDN
Secondary
standard
39. DNSSEC in Win Server 2008 R2 allows a ______ to validate DNS data on behalf of its Win 7 clients.
DNS server
accepted
Remove stale
Enterprise Admins
40. DNSSEC enables a DNS server to ______ the resource records in its zones.
Standard zones
To All DNS Servers In This Forest
digitally sign
dnscmd . /config /enableglobalnamessupport 1
41. You can perform a delegation only from a ________________.
Create Default Application Directory Partitions
Service location (SRV)
DomainDnsZones
parent zone to a child zone
42. 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.
AD Zone Replication Scope page
time stamp
1. A SOA record 2. At least one NS record.
Win Srvr 2008 and Win Srvr 2008 R2
43. The ______ option stores the zone in the user-created application directory partition specified in the associated drop-down list box.
the cache life of a resource record
NS record and an associated A record
DNS server
To All Domain Controllers Specified In The Scope Of This Directory Partition
44. 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.
Remove stale
dnscmd /ZoneExport <zone name> <zone file name>
dnscmd servername /enlistdirectorypartition FQDN
%systemroot%System32Dns
45. The most common resource records you need to create manually include the following:
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
standard
Win Srvr 2008 and Win Srvr 2008 R2
46. ______ zones provide a means to offload DNS query traffic in areas of the network where a zone is heavily queried and used.
Secondary
trust anchor
1. DomainDnsZones and - 2. ForestDnsZones
DNS zone
47. Public key cryptography provides ______ - which means that separate keys are used to encrypt and decrypt data.
use more than one name to point to
asymmetric encryption
Enterprise Admins
primary
48. 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 ______.
accepted
Create Default Application Directory Partitions
Reload - Transfer From Master - Transfer New Copy Of Zone From Master
Remove stale
49. To enable GlobalNames zone support - At an elevated command prompt - type the following: ______.
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.
dnscmd . /config /enableglobalnamessupport 1
Scavenging
Netlogon
50. To ______ a zone is to create a new zone for a subdomain within a DNS namespace and relinquish authority of that new zone.
Scavenging
decreases
delegate
standard