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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. You use Group Policy to configure DNS clients to _________________.
request DNSSEC validation for specific queries
parent and child AD DS domains
masters
public key
2. 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.
use more than one name to point to
NS record and an associated A record
Expires After
dnscmd . /config /enableglobalnamessupport 1
3. The ______ option stores the zone in the user-created application directory partition specified in the associated drop-down list box.
time stamp
To All Domain Controllers Specified In The Scope Of This Directory Partition
Refresh Interval
Transfer New Copy Of Zone From Master
4. Alias resource records are sometimes called canonical names (CNAME). These records allow you to ______ a single host.
Remove stale
primary
use more than one name to point to
will not
5. 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:
digitally sign
Minimum (Default) TTL
AD Zone Replication Scope page
Reload - Transfer From Master - Transfer New Copy Of Zone From Master
6. ______ resource records are used to specify the location of specific services in a domain.
Service location (SRV)
%systemroot%System32Dns
Transfer From Master
Group Policy
7. DNSSEC enables a DNS server to ______ the resource records in its zones.
trigger zone transfers on secondary zones
digitally sign
Transfer New Copy Of Zone From Master
trust anchor
8. Increasing the refresh interval ______ zone transfer traffic.
To All Domain Controllers In This Domain
Notify
decreases
parent and child AD DS domains
9. 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.
masters
To All Domain Controllers In This Domain
time stamp
Service location (SRV)
10. A ______ is a data structure in AD that distinguishes data for different replication purposes.
dnscmd . /config /enableglobalnamessupport 1
1. A SOA record 2. At least one NS record.
partition
To All DNS Servers In This Domain
11. 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.
DNS server
time stamp
Scavenge Stale Resource Records
To All DNS Servers In This Domain
12. 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
DNS server
the cache life of a resource record
Secondary
Host (A or AAAA) - Alias (CNAME) - Mail exchanger (MX) - Pointer (PTR) - Service location (SRV)
13. The GlobalNames zone is compatible only with DNS servers running ______. Therefore - it cannot replicate to servers running earlier versions of Windows Server.
Minimum (Default) TTL
Win Srvr 2008 and Win Srvr 2008 R2
priority of dc2.lucernepublishing.com.
Trust anchors
14. You must be a member of the ______ group to create an application directory partition.
CNAME resource records
Netlogon
To All DNS Servers In This Forest
Enterprise Admins
15. By default - DCs include two application directory partitions reserved for DNS data: ______.
1. DomainDnsZones and - 2. ForestDnsZones
To All DNS Servers In This Domain
To All Domain Controllers Specified In The Scope Of This Directory Partition
Transfer From Master
16. 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
Host (A or AAAA) - Alias (CNAME) - Mail exchanger (MX) - Pointer (PTR) - Service location (SRV)
Create Default Application Directory Partitions
To All Domain Controllers In This Domain
17. What is the name of the record that contains a hash of the public key in a delegated subdomain?
NS record and an associated A record
A DS record
dnscmd . /config /enableglobalnamessupport 1
deploying a GlobalNames zone
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.
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.
Transfer New Copy Of Zone From Master
NS record and an associated A record
NRPT
19. In this way - digital signatures use ______ cryptography to prove that information is unspoofed and unchanged.
aging
public key
Name Servers
asymmetric encryption
20. 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
Win Srvr 2008 and Win Srvr 2008 R2
decreases
GlobalNames zone
AD Zone Replication Scope page
21. ______ in DNS refers to the process of using time stamps to track the age of dynamically registered resource records.
Aging
CNAME resource records
use more than one name to point to
Transfer From Master
22. 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
digitally sign
The Zone Aging/Scavenging Properties
Minimum (Default) TTL
Netlogon
23. Consequently - when aging is enabled - dynamically registered resource records can be scavenged after ___ days by default.
14
enable zone transfers
asymmetric encryption
ForestDnsZones
24. 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 ______.
Netlogon
Name Servers
will not
Scavenge Stale Resource Records
25. 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.
To All DNS Servers In This Forest
Host (A or AAAA) - Alias (CNAME) - Mail exchanger (MX) - Pointer (PTR) - Service location (SRV)
Refresh Interval
dnscmd servername /createdirectorypartition FQDN
26. Used to facilitate the resolution of single-label computer names in a large network.
priority of dc2.lucernepublishing.com.
GlobalNames zone
aging
AD Zone Replication Scope page
27. Win 7 clients can be configured to request DNSSEC through the Name Resolution Policy Table (NRPT) in ______.
Aging
enable zone transfers
Group Policy
digitally sign
28. 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.
asymmetric encryption
time stamp
dnscmd servername /enlistdirectorypartition FQDN
Remove stale
29. 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: _______.
NS record and an associated A record
dnscmd /ZoneExport <zone name> <zone file name>
CNAME resource records
The Zone Aging/Scavenging Properties
30. 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.
aging
Enterprise Admins
parent zone to a child zone
masters
31. 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.
partition
A DS record
Minimum (Default) TTL
Name Servers
32. To enable aging for a particular zone - you have to enable this feature both at the ______ level.
Retry Interval
enable zone transfers
server level and at the zone level
parent and child AD DS domains
33. ______ 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.
aging
Trust anchors
To All Domain Controllers Specified In The Scope Of This Directory Partition
CNAME resource records
34. 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.
Expires After
Transfer From Master
the cache life of a resource record
digitally sign
35. DNS delegations are automatically used to separate ______ in a single forest.
parent and child AD DS domains
Win Srvr 2008 and Win Srvr 2008 R2
decreases
1. A SOA record 2. At least one NS record.
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
delegate
Remove stale
aging
Transfer New Copy Of Zone From Master
37. To add an NS record - double-click any existing NS record in DNS Manager and add the server data to the ______ tab.
Service location (SRV)
Name Servers
Remove stale
Enterprise Admins
38. 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
To All Domain Controllers Specified In The Scope Of This Directory Partition
trigger zone transfers on secondary zones
time stamp
disabled
39. A ______ is a public key for a remote DNS server that is trusted and able to provide DNSSEC responses.
dnscmd . /config /enableglobalnamessupport 1
NS record and an associated A record
Transfer From Master
trust anchor
40. The most common resource records you need to create manually include the following:
stub
Host (A or AAAA) - Alias (CNAME) - Mail exchanger (MX) - Pointer (PTR) - Service location (SRV)
Trust anchors
To All DNS Servers In This Forest
41. 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.
stub
Service location (SRV)
primary
The Zone Aging/Scavenging Properties
42. 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 ______.
server level and at the zone level
enable zone transfers
The DNS server needs to be a domain controller.
Create Default Application Directory Partitions
43. To enable GlobalNames zone support - At an elevated command prompt - type the following: ______.
Aging
server level and at the zone level
dnscmd . /config /enableglobalnamessupport 1
Reload - Transfer From Master - Transfer New Copy Of Zone From Master
44. A ______ is a database containing records that associate names with addresses for a defined portion of a DNS namespace.
NRPT
A DS record
DNS zone
Name Servers
45. What kind of zones do not automatically perform time stamping on dynamically created resource records?
NS record and an associated A record
enable zone transfers
Standard zones
Transfer New Copy Of Zone From Master
46. By default - zone transfers are ______ from any zone.
1. A SOA record 2. At least one NS record.
Enterprise Admins
accepted
disabled
47. DNSSEC in Win Server 2008 R2 allows a ______ to validate DNS data on behalf of its Win 7 clients.
ForestDnsZones
trigger zone transfers on secondary zones
DNS server
priority of dc2.lucernepublishing.com.
48. The ______ partition is replicated among all DCs that are also DNS servers in every domain in an AD forest.
standard
stub
Trust anchors
ForestDnsZones
49. The ______ partition is replicated among all DCs that are also DNS servers in a particular domain
enable zone transfers
disabled
GlobalNames zone
DomainDnsZones
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.
Refresh Interval
trigger zone transfers on secondary zones
%systemroot%System32Dns
Minimum (Default) TTL