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