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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. 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.
dnscmd servername /createdirectorypartition FQDN
standard
digitally sign
2. 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
Secondary
dnscmd /ZoneExport <zone name> <zone file name>
server level and at the zone level
3. What is the name of the record that contains a hash of the public key in a delegated subdomain?
A DS record
ForestDnsZones
Host (A or AAAA) - Alias (CNAME) - Mail exchanger (MX) - Pointer (PTR) - Service location (SRV)
parent zone to a child zone
4. The ______ service uses SRV records to locate DCs in a domain by searching the domain for the LDAP service.
Remove stale
Netlogon
aging
parent and child AD DS domains
5. You must be a member of the ______ group to create an application directory partition.
Create Default Application Directory Partitions
Group Policy
notification
Enterprise Admins
6. There are three basic steps in _______________: 1. Enable GlobalNames zone support. 2. Create the GlobalNames zone. 3. Populate the GlobalNames zone.
Reload - Transfer From Master - Transfer New Copy Of Zone From Master
The Zone Aging/Scavenging Properties
digitally sign
deploying a GlobalNames zone
7. 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.
Enterprise Admins
enable zone transfers
deploying a GlobalNames zone
primary
8. To configure notifications - click ______ on the Zone Transfers tab when zone transfers are enabled.
14
dnscmd /ZoneExport <zone name> <zone file name>
Expires After
Notify
9. DNSSEC enables a DNS server to ______ the resource records in its zones.
notification
Secondary
digitally sign
14
10. To add an NS record - double-click any existing NS record in DNS Manager and add the server data to the ______ tab.
Enterprise Admins
Name Servers
To All Domain Controllers In This Domain
Service location (SRV)
11. 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
AD Zone Replication Scope page
use more than one name to point to
Reload - Transfer From Master - Transfer New Copy Of Zone From Master
Expires After
12. 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
notification
14
trust anchor
13. To enlist other DNS servers in the partition - type the following command:
CNAME resource records
Aging
Transfer New Copy Of Zone From Master
dnscmd servername /enlistdirectorypartition FQDN
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
GlobalNames zone
Aging
time stamp
15. 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.
NS record and an associated A record
Create Default Application Directory Partitions
dnscmd servername /enlistdirectorypartition FQDN
Transfer From Master
16. The ______ partition is replicated among all DCs that are also DNS servers in a particular domain
DomainDnsZones
accepted
disabled
Transfer New Copy Of Zone From Master
17. What are the server requirements for storing a zone in AD?
A DS record
decreases
1. DomainDnsZones and - 2. ForestDnsZones
The DNS server needs to be a domain controller.
18. 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 anchor
request DNSSEC validation for specific queries
DomainDnsZones
The Zone Aging/Scavenging Properties
19. DNSSEC in Win Server 2008 R2 allows a ______ to validate DNS data on behalf of its Win 7 clients.
Host (A or AAAA) - Alias (CNAME) - Mail exchanger (MX) - Pointer (PTR) - Service location (SRV)
To All DNS Servers In This Domain
DNS server
Transfer From Master
20. To create a custom application directory partition - type the following command:
Host (A or AAAA) - Alias (CNAME) - Mail exchanger (MX) - Pointer (PTR) - Service location (SRV)
dnscmd . /config /enableglobalnamessupport 1
server level and at the zone level
dnscmd servername /createdirectorypartition FQDN
21. Used to facilitate the resolution of single-label computer names in a large network.
1. A SOA record 2. At least one NS record.
Enterprise Admins
GlobalNames zone
trigger zone transfers on secondary zones
22. By default - zone transfers are ______ from any zone.
14
disabled
DNS zone
Trust anchors
23. A ______ is a database containing records that associate names with addresses for a defined portion of a DNS namespace.
DNS zone
primary
server level and at the zone level
disabled
24. To enable GlobalNames zone support - At an elevated command prompt - type the following: ______.
The DNS server needs to be a domain controller.
dnscmd . /config /enableglobalnamessupport 1
Minimum (Default) TTL
use more than one name to point to
25. 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.
Host (A or AAAA) - Alias (CNAME) - Mail exchanger (MX) - Pointer (PTR) - Service location (SRV)
Remove stale
primary
parent zone to a child zone
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
dnscmd /ZoneExport <zone name> <zone file name>
deploying a GlobalNames zone
the cache life of a resource record
public key
27. 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.
14
dnscmd servername /enlistdirectorypartition FQDN
deploying a GlobalNames zone
stub
28. The ______ partition is replicated among all DCs that are also DNS servers in every domain in an AD forest.
NRPT
DNS server
The Zone Aging/Scavenging Properties
ForestDnsZones
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.
stub
time stamp
accepted
Scavenging
30. 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
To All DNS Servers In This Forest
parent zone to a child zone
dnscmd /ZoneExport <zone name> <zone file name>
31. What kind of zones do not automatically perform time stamping on dynamically created resource records?
aging
will not
Standard zones
decreases
32. For a DC to fall within the scope of such a directory partition - you must ______ that DC in the partition.
manually enlist
Scavenge Stale Resource Records
aging
Remove stale
33. 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.
use more than one name to point to
Trust anchors
time stamp
Secondary
34. The ______ option stores the zone in the user-created application directory partition specified in the associated drop-down list box.
will not
digitally sign
Secondary
To All Domain Controllers Specified In The Scope Of This Directory Partition
35. 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.
1. DomainDnsZones and - 2. ForestDnsZones
Reload
NRPT
aging
36. 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.
GlobalNames zone
Enterprise Admins
Retry Interval
To All DNS Servers In This Forest
37. ______ refers to the process of deleting outdated resource records on which time stamps have been placed.
AD Zone Replication Scope page
Scavenging
primary
Minimum (Default) TTL
38. 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
disabled
Refresh Interval
dnscmd . /config /enableglobalnamessupport 1
39. ______ resource records are used to specify the location of specific services in a domain.
parent and child AD DS domains
The DNS server needs to be a domain controller.
AD Zone Replication Scope page
Service location (SRV)
40. By default - DCs include two application directory partitions reserved for DNS data: ______.
ForestDnsZones
aging
1. DomainDnsZones and - 2. ForestDnsZones
request DNSSEC validation for specific queries
41. The most common resource records you need to create manually include the following:
Win Srvr 2008 and Win Srvr 2008 R2
time stamp
partition
Host (A or AAAA) - Alias (CNAME) - Mail exchanger (MX) - Pointer (PTR) - Service location (SRV)
42. Consequently - when aging is enabled - dynamically registered resource records can be scavenged after ___ days by default.
1. A SOA record 2. At least one NS record.
Expires After
dnscmd /ZoneExport <zone name> <zone file name>
14
43. 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
Notify
To All Domain Controllers Specified In The Scope Of This Directory Partition
aging
Minimum (Default) TTL
44. Scavenging can occur only when ______ is enabled.
dnscmd /ZoneExport <zone name> <zone file name>
1. DomainDnsZones and - 2. ForestDnsZones
aging
CNAME resource records
45. 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.
time stamp
Transfer From Master
Retry Interval
enable zone transfers
46. The Zone Transfers tab also allows you to configure ______ to secondary servers whenever a change occurs at the primary zone.
trigger zone transfers on secondary zones
Transfer From Master
notification
DomainDnsZones
47. 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 ______.
Scavenge Stale Resource Records
Reload - Transfer From Master - Transfer New Copy Of Zone From Master
Group Policy
Netlogon
48. You use Group Policy to configure DNS clients to _________________.
dnscmd . /config /enableglobalnamessupport 1
request DNSSEC validation for specific queries
asymmetric encryption
partition
49. 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
DomainDnsZones
AD Zone Replication Scope page
ForestDnsZones
50. 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.
Expires After
enable zone transfers
Transfer From Master
%systemroot%System32Dns