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 ______ refers to the process of deleting outdated resource records on which time stamps have been placed.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