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 ______ refers to the process of deleting outdated resource records on which time stamps have been placed.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