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