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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. ______ resource records are used to specify the location of specific services in a domain.
enable zone transfers
Service location (SRV)
notification
public key
2. ______ 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.
Reload
Trust anchors
dnscmd /ZoneExport <zone name> <zone file name>
decreases
3. Win 7 clients can be configured to request DNSSEC through the Name Resolution Policy Table (NRPT) in ______.
Group Policy
deploying a GlobalNames zone
server level and at the zone level
DNS server
4. There are three basic steps in _______________: 1. Enable GlobalNames zone support. 2. Create the GlobalNames zone. 3. Populate the GlobalNames zone.
deploying a GlobalNames zone
dnscmd . /config /enableglobalnamessupport 1
To All DNS Servers In This Forest
Remove stale
5. 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: _______.
1. DomainDnsZones and - 2. ForestDnsZones
digitally sign
Minimum (Default) TTL
dnscmd /ZoneExport <zone name> <zone file name>
6. 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.
Secondary
standard
use more than one name to point to
Reload
7. 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.
trigger zone transfers on secondary zones
parent zone to a child zone
enable zone transfers
time stamp
8. What is the name of the record that contains a hash of the public key in a delegated subdomain?
Retry Interval
DNS server
A DS record
CNAME resource records
9. 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.
14
masters
Scavenge Stale Resource Records
Transfer New Copy Of Zone From Master
10. DNS delegations are automatically used to separate ______ in a single forest.
DomainDnsZones
parent and child AD DS domains
To All DNS Servers In This Forest
Group Policy
11. 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
parent and child AD DS domains
Scavenge Stale Resource Records
trigger zone transfers on secondary zones
stub
12. 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 ______.
CNAME resource records
decreases
DNS zone
Scavenge Stale Resource Records
13. ______ zones provide a means to offload DNS query traffic in areas of the network where a zone is heavily queried and used.
A DS record
Secondary
Aging
To All DNS Servers In This Domain
14. Increasing the refresh interval ______ zone transfer traffic.
decreases
Group Policy
delegate
Aging
15. 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
enable zone transfers
delegate
primary
aging
16. 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.
Scavenging
accepted
stub
A DS record
17. 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
time stamp
Aging
Minimum (Default) TTL
AD Zone Replication Scope page
18. 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
14
Enterprise Admins
Transfer From Master
19. In this way - digital signatures use ______ cryptography to prove that information is unspoofed and unchanged.
Minimum (Default) TTL
partition
DNS zone
public key
20. For a delegation to be implemented - the parent zone must contain a _____ and an _____ (called a glue record) pointing to each authoritative server of the delegated domain.
standard
aging
NS record and an associated A record
AD Zone Replication Scope page
21. ______ refers to the process of deleting outdated resource records on which time stamps have been placed.
Refresh Interval
Scavenging
deploying a GlobalNames zone
aging
22. 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.
server level and at the zone level
To All DNS Servers In This Forest
masters
Transfer From Master
23. The ______ partition is replicated among all DCs that are also DNS servers in a particular domain
DomainDnsZones
time stamp
partition
enable zone transfers
24. By default - DCs include two application directory partitions reserved for DNS data: ______.
1. DomainDnsZones and - 2. ForestDnsZones
stub
Enterprise Admins
Standard zones
25. When you create a new zone - two types of records required for the zone are automatically created: ______
1. A SOA record 2. At least one NS record.
Expires After
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.
manually enlist
26. By default - zone transfers are ______ from any zone.
14
stub
To All Domain Controllers Specified In The Scope Of This Directory Partition
disabled
27. 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
Scavenge Stale Resource Records
A DS record
Expires After
Standard zones
28. To configure notifications - click ______ on the Zone Transfers tab when zone transfers are enabled.
Notify
Transfer From Master
NS record and an associated A record
trust anchor
29. A ______ is a data structure in AD that distinguishes data for different replication purposes.
DNS zone
partition
will not
parent zone to a child zone
30. 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 Domain Controllers In This Domain
Name Servers
stub
Reload
31. The GlobalNames zone is compatible only with DNS servers running ______. Therefore - it cannot replicate to servers running earlier versions of Windows Server.
parent and child AD DS domains
Scavenge Stale Resource Records
dnscmd . /config /enableglobalnamessupport 1
Win Srvr 2008 and Win Srvr 2008 R2
32. 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.
accepted
enable zone transfers
the cache life of a resource record
Transfer New Copy Of Zone From Master
33. 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
Remove stale
Retry Interval
ForestDnsZones
the cache life of a resource record
34. 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.
Create Default Application Directory Partitions
1. A SOA record 2. At least one NS record.
primary
A DS record
35. The Zone Transfers tab also allows you to configure ______ to secondary servers whenever a change occurs at the primary zone.
accepted
notification
standard
Host (A or AAAA) - Alias (CNAME) - Mail exchanger (MX) - Pointer (PTR) - Service location (SRV)
36. 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.
masters
DNS zone
Retry Interval
trust anchor
37. To ______ a zone is to create a new zone for a subdomain within a DNS namespace and relinquish authority of that new zone.
delegate
enable zone transfers
The Zone Aging/Scavenging Properties
The DNS server needs to be a domain controller.
38. When you create a new zone - two types of records required for the zone are automatically created. List them.
dnscmd servername /enlistdirectorypartition FQDN
accepted
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.
Notify
39. 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.
Reload
Minimum (Default) TTL
dnscmd . /config /enableglobalnamessupport 1
masters
40. 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
trust anchor
DNS zone
Name Servers
41. 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 ______.
partition
Create Default Application Directory Partitions
public key
%systemroot%System32Dns
42. 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.
1. A SOA record 2. At least one NS record.
aging
Remove stale
dnscmd servername /enlistdirectorypartition FQDN
43. 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
Reload - Transfer From Master - Transfer New Copy Of Zone From Master
trust anchor
1. DomainDnsZones and - 2. ForestDnsZones
44. The ______ option stores the zone in the user-created application directory partition specified in the associated drop-down list box.
To All Domain Controllers Specified In The Scope Of This Directory Partition
A DS record
To All DNS Servers In This Forest
Reload
45. The ______ partition is replicated among all DCs that are also DNS servers in every domain in an AD forest.
notification
DomainDnsZones
Name Servers
ForestDnsZones
46. What are the server requirements for storing a zone in AD?
The DNS server needs to be a domain controller.
dnscmd /ZoneExport <zone name> <zone file name>
digitally sign
NS record and an associated A record
47. This operation reloads the secondary zone from the local storage.
Reload
To All Domain Controllers Specified In The Scope Of This Directory Partition
aging
Secondary
48. Used to facilitate the resolution of single-label computer names in a large network.
DomainDnsZones
GlobalNames zone
dnscmd servername /createdirectorypartition FQDN
trust anchor
49. 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>
will not
manually enlist
digitally sign
50. 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.
aging
priority of dc2.lucernepublishing.com.
digitally sign
accepted