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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. Scavenging can occur only when ______ is enabled.
aging
enable zone transfers
NRPT
Reload
2. ______ resource records are used to specify the location of specific services in a domain.
Expires After
Service location (SRV)
AD Zone Replication Scope page
Remove stale
3. 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
Scavenging
AD Zone Replication Scope page
CNAME resource records
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.
4. A ______ is a data structure in AD that distinguishes data for different replication purposes.
partition
primary
DNS zone
dnscmd servername /createdirectorypartition FQDN
5. 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 ______.
delegate
Reload
Scavenge Stale Resource Records
masters
6. You use Group Policy to configure DNS clients to _________________.
digitally sign
standard
ForestDnsZones
request DNSSEC validation for specific queries
7. 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.
aging
time stamp
Win Srvr 2008 and Win Srvr 2008 R2
dnscmd servername /enlistdirectorypartition FQDN
8. To add an NS record - double-click any existing NS record in DNS Manager and add the server data to the ______ tab.
trigger zone transfers on secondary zones
time stamp
Name Servers
Secondary
9. What kind of zones do not automatically perform time stamping on dynamically created resource records?
will not
Standard zones
Remove stale
trigger zone transfers on secondary zones
10. ______ zones provide a means to offload DNS query traffic in areas of the network where a zone is heavily queried and used.
Secondary
To All Domain Controllers In This Domain
Scavenge Stale Resource Records
request DNSSEC validation for specific queries
11. The ______ partition is replicated among all DCs that are also DNS servers in a particular domain
Refresh Interval
Reload - Transfer From Master - Transfer New Copy Of Zone From Master
DomainDnsZones
public key
12. ______ refers to the process of deleting outdated resource records on which time stamps have been placed.
Aging
primary
To All DNS Servers In This Domain
Scavenging
13. To configure notifications - click ______ on the Zone Transfers tab when zone transfers are enabled.
Notify
parent and child AD DS domains
Transfer New Copy Of Zone From Master
dnscmd servername /createdirectorypartition FQDN
14. The most common resource records you need to create manually include the following:
stub
time stamp
Host (A or AAAA) - Alias (CNAME) - Mail exchanger (MX) - Pointer (PTR) - Service location (SRV)
To All DNS Servers In This Domain
15. 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
Remove stale
The DNS server needs to be a domain controller.
Notify
16. For a DC to fall within the scope of such a directory partition - you must ______ that DC in the partition.
Transfer New Copy Of Zone From Master
priority of dc2.lucernepublishing.com.
manually enlist
Create Default Application Directory Partitions
17. 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 ______.
parent zone to a child zone
Create Default Application Directory Partitions
enable zone transfers
trust anchor
18. 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.
The DNS server needs to be a domain controller.
dnscmd /ZoneExport <zone name> <zone file name>
delegate
stub
19. To enlist other DNS servers in the partition - type the following command:
The DNS server needs to be a domain controller.
DNS zone
dnscmd servername /enlistdirectorypartition FQDN
parent zone to a child zone
20. A ______ is a public key for a remote DNS server that is trusted and able to provide DNSSEC responses.
will not
Host (A or AAAA) - Alias (CNAME) - Mail exchanger (MX) - Pointer (PTR) - Service location (SRV)
trust anchor
DomainDnsZones
21. 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.
notification
aging
use more than one name to point to
enable zone transfers
22. 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
Scavenge Stale Resource Records
trigger zone transfers on secondary zones
asymmetric encryption
Remove stale
23. 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.
Remove stale
To All DNS Servers In This Forest
Minimum (Default) TTL
Aging
24. 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
dnscmd . /config /enableglobalnamessupport 1
Transfer From Master
ForestDnsZones
25. DNSSEC in Win Server 2008 R2 allows a ______ to validate DNS data on behalf of its Win 7 clients.
Scavenge Stale Resource Records
DNS server
Expires After
dnscmd /ZoneExport <zone name> <zone file name>
26. 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.
Minimum (Default) TTL
%systemroot%System32Dns
Remove stale
dnscmd servername /enlistdirectorypartition FQDN
27. 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.
will not
NRPT
accepted
Reload - Transfer From Master - Transfer New Copy Of Zone From Master
28. 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
the cache life of a resource record
Enterprise Admins
DNS zone
public key
29. You can perform a delegation only from a ________________.
dnscmd servername /enlistdirectorypartition FQDN
Name Servers
deploying a GlobalNames zone
parent zone to a child zone
30. 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 /createdirectorypartition FQDN
Reload - Transfer From Master - Transfer New Copy Of Zone From Master
DNS zone
31. A ______ is a database containing records that associate names with addresses for a defined portion of a DNS namespace.
DNS zone
use more than one name to point to
decreases
trigger zone transfers on secondary zones
32. The Zone Transfers tab also allows you to configure ______ to secondary servers whenever a change occurs at the primary zone.
server level and at the zone level
delegate
Create Default Application Directory Partitions
notification
33. Win 7 clients can be configured to request DNSSEC through the Name Resolution Policy Table (NRPT) in ______.
To All Domain Controllers Specified In The Scope Of This Directory Partition
Group Policy
stub
time stamp
34. 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.
NS record and an associated A record
Refresh Interval
standard
Enterprise Admins
35. Used to facilitate the resolution of single-label computer names in a large network.
primary
request DNSSEC validation for specific queries
disabled
GlobalNames zone
36. 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
aging
The Zone Aging/Scavenging Properties
trigger zone transfers on secondary zones
Transfer From Master
37. Manually created resource records for all zone types are assigned a time stamp of 0; this value indicates that they ______ be aged.
Group Policy
decreases
will not
trust anchor
38. The GlobalNames zone is compatible only with DNS servers running ______. Therefore - it cannot replicate to servers running earlier versions of Windows Server.
Win Srvr 2008 and Win Srvr 2008 R2
A DS record
decreases
dnscmd servername /enlistdirectorypartition FQDN
39. In this way - digital signatures use ______ cryptography to prove that information is unspoofed and unchanged.
priority of dc2.lucernepublishing.com.
public key
To All DNS Servers In This Forest
Trust anchors
40. 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.
trigger zone transfers on secondary zones
enable zone transfers
masters
Retry Interval
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
priority of dc2.lucernepublishing.com.
Retry Interval
To All DNS Servers In This Forest
42. ______ in DNS refers to the process of using time stamps to track the age of dynamically registered resource records.
Notify
Aging
Minimum (Default) TTL
Trust anchors
43. What is the name of the record that contains a hash of the public key in a delegated subdomain?
manually enlist
A DS record
deploying a GlobalNames zone
Secondary
44. To ______ a zone is to create a new zone for a subdomain within a DNS namespace and relinquish authority of that new zone.
trigger zone transfers on secondary zones
Scavenge Stale Resource Records
GlobalNames zone
delegate
45. When you create a new zone - two types of records required for the zone are automatically created: ______
Name Servers
The Zone Aging/Scavenging Properties
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. A SOA record 2. At least one NS record.
46. Increasing the refresh interval ______ zone transfer traffic.
decreases
Reload - Transfer From Master - Transfer New Copy Of Zone From Master
Minimum (Default) TTL
aging
47. By default - DCs include two application directory partitions reserved for DNS data: ______.
Transfer New Copy Of Zone From Master
1. A SOA record 2. At least one NS record.
delegate
1. DomainDnsZones and - 2. ForestDnsZones
48. To create a custom application directory partition - type the following command:
enable zone transfers
Minimum (Default) TTL
Notify
dnscmd servername /createdirectorypartition FQDN
49. DNS delegations are automatically used to separate ______ in a single forest.
Service location (SRV)
parent and child AD DS domains
server level and at the zone level
priority of dc2.lucernepublishing.com.
50. You must be a member of the ______ group to create an application directory partition.
Enterprise Admins
14
Transfer New Copy Of Zone From Master
Name Servers