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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. This operation reloads the secondary zone from the local storage.
Reload
public key
digitally sign
Notify
2. ______ resource records are used to specify the location of specific services in a domain.
Service location (SRV)
trust anchor
ForestDnsZones
%systemroot%System32Dns
3. 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
priority of dc2.lucernepublishing.com.
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.
Host (A or AAAA) - Alias (CNAME) - Mail exchanger (MX) - Pointer (PTR) - Service location (SRV)
4. 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 ______.
Create Default Application Directory Partitions
notification
NS record and an associated A record
Refresh Interval
5. A ______ is a data structure in AD that distinguishes data for different replication purposes.
The DNS server needs to be a domain controller.
Standard zones
Transfer From Master
partition
6. To enable aging for a particular zone - you have to enable this feature both at the ______ level.
digitally sign
Trust anchors
Name Servers
server level and at the zone level
7. 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.
DNS zone
Standard zones
DNS server
To All DNS Servers In This Domain
8. 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.
trust anchor
Enterprise Admins
To All Domain Controllers In This Domain
public key
9. 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.
deploying a GlobalNames zone
The DNS server needs to be a domain controller.
To All DNS Servers In This Forest
dnscmd . /config /enableglobalnamessupport 1
10. 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
Service location (SRV)
AD Zone Replication Scope page
Scavenging
To All Domain Controllers In This Domain
11. Consequently - when aging is enabled - dynamically registered resource records can be scavenged after ___ days by default.
14
1. A SOA record 2. At least one NS record.
dnscmd servername /enlistdirectorypartition FQDN
parent zone to a child zone
12. You use Group Policy to configure DNS clients to _________________.
Scavenging
Refresh Interval
request DNSSEC validation for specific queries
DNS zone
13. 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.
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.
Transfer New Copy Of Zone From Master
Transfer From Master
Standard zones
14. 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.
Retry Interval
priority of dc2.lucernepublishing.com.
To All Domain Controllers In This Domain
trust anchor
15. DNSSEC enables a DNS server to ______ the resource records in its zones.
Transfer From Master
time stamp
Reload - Transfer From Master - Transfer New Copy Of Zone From Master
digitally sign
16. DNSSEC in Win Server 2008 R2 allows a ______ to validate DNS data on behalf of its Win 7 clients.
Aging
DNS server
notification
Transfer New Copy Of Zone From Master
17. 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>
Standard zones
Aging
dnscmd servername /enlistdirectorypartition FQDN
18. The ______ partition is replicated among all DCs that are also DNS servers in every domain in an AD forest.
ForestDnsZones
primary
decreases
1. A SOA record 2. At least one NS record.
19. Increasing the refresh interval ______ zone transfer traffic.
decreases
parent and child AD DS domains
Enterprise Admins
A DS record
20. 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.
Scavenge Stale Resource Records
Expires After
accepted
Refresh Interval
21. A ______ is a public key for a remote DNS server that is trusted and able to provide DNSSEC responses.
priority of dc2.lucernepublishing.com.
trust anchor
Retry Interval
Aging
22. What are the server requirements for storing a zone in AD?
The DNS server needs to be a domain controller.
Minimum (Default) TTL
CNAME resource records
Secondary
23. 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
DNS server
Secondary
Service location (SRV)
24. 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.
stub
%systemroot%System32Dns
NRPT
Netlogon
25. 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
dnscmd servername /createdirectorypartition FQDN
use more than one name to point to
will not
aging
26. 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:
Enterprise Admins
will not
14
Reload - Transfer From Master - Transfer New Copy Of Zone From Master
27. 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.
manually enlist
enable zone transfers
Remove stale
aging
28. Manually created resource records for all zone types are assigned a time stamp of 0; this value indicates that they ______ be aged.
will not
Scavenging
parent zone to a child zone
Group Policy
29. 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.
primary
notification
stub
accepted
30. To create a custom application directory partition - type the following command:
A DS record
dnscmd servername /createdirectorypartition FQDN
To All Domain Controllers In This Domain
Refresh Interval
31. Scavenging can occur only when ______ is enabled.
primary
To All Domain Controllers Specified In The Scope Of This Directory Partition
aging
parent and child AD DS domains
32. The most common resource records you need to create manually include the following:
1. DomainDnsZones and - 2. ForestDnsZones
To All DNS Servers In This Domain
NS record and an associated A record
Host (A or AAAA) - Alias (CNAME) - Mail exchanger (MX) - Pointer (PTR) - Service location (SRV)
33. To add an NS record - double-click any existing NS record in DNS Manager and add the server data to the ______ tab.
Standard zones
notification
standard
Name Servers
34. ______ in DNS refers to the process of using time stamps to track the age of dynamically registered resource records.
To All DNS Servers In This Forest
enable zone transfers
Minimum (Default) TTL
Aging
35. 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.
NRPT
Win Srvr 2008 and Win Srvr 2008 R2
stub
dnscmd . /config /enableglobalnamessupport 1
36. The ______ service uses SRV records to locate DCs in a domain by searching the domain for the LDAP service.
Group Policy
Netlogon
To All DNS Servers In This Forest
will not
37. ______ refers to the process of deleting outdated resource records on which time stamps have been placed.
priority of dc2.lucernepublishing.com.
%systemroot%System32Dns
Scavenging
GlobalNames zone
38. 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
Expires After
dnscmd servername /enlistdirectorypartition FQDN
stub
Remove stale
39. What kind of zones do not automatically perform time stamping on dynamically created resource records?
AD Zone Replication Scope page
masters
Standard zones
aging
40. ______ 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.
accepted
1. A SOA record 2. At least one NS record.
Trust anchors
Transfer New Copy Of Zone From Master
41. 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.
ForestDnsZones
deploying a GlobalNames zone
A DS record
42. To enlist other DNS servers in the partition - type the following command:
dnscmd servername /enlistdirectorypartition FQDN
DNS zone
Reload - Transfer From Master - Transfer New Copy Of Zone From Master
Standard zones
43. ______ zones provide a means to offload DNS query traffic in areas of the network where a zone is heavily queried and used.
1. A SOA record 2. At least one NS record.
ForestDnsZones
parent zone to a child zone
Secondary
44. 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
Scavenging
The Zone Aging/Scavenging Properties
14
enable zone transfers
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
DNS zone
Host (A or AAAA) - Alias (CNAME) - Mail exchanger (MX) - Pointer (PTR) - Service location (SRV)
CNAME resource records
The Zone Aging/Scavenging Properties
46. Public key cryptography provides ______ - which means that separate keys are used to encrypt and decrypt data.
GlobalNames zone
A DS record
asymmetric encryption
Aging
47. There are three basic steps in _______________: 1. Enable GlobalNames zone support. 2. Create the GlobalNames zone. 3. Populate the GlobalNames zone.
Transfer New Copy Of Zone From Master
deploying a GlobalNames zone
Secondary
time stamp
48. In this way - digital signatures use ______ cryptography to prove that information is unspoofed and unchanged.
stub
deploying a GlobalNames zone
decreases
public key
49. Win 7 clients can be configured to request DNSSEC through the Name Resolution Policy Table (NRPT) in ______.
Group Policy
request DNSSEC validation for specific queries
Trust anchors
Aging
50. 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 cache life of a resource record
masters
delegate
manually enlist