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