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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. 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
ForestDnsZones
Create Default Application Directory Partitions
trigger zone transfers on secondary zones
the cache life of a resource record
2. By default - zone transfers are ______ from any zone.
notification
disabled
Win Srvr 2008 and Win Srvr 2008 R2
Trust anchors
3. 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
deploying a GlobalNames zone
accepted
aging
DNS server
4. 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
trigger zone transfers on secondary zones
Secondary
public key
To All Domain Controllers In This Domain
5. 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 ______.
aging
Host (A or AAAA) - Alias (CNAME) - Mail exchanger (MX) - Pointer (PTR) - Service location (SRV)
Create Default Application Directory Partitions
Refresh Interval
6. 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.
The Zone Aging/Scavenging Properties
trust anchor
NS record and an associated A record
Expires After
7. 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.
the cache life of a resource record
CNAME resource records
Minimum (Default) TTL
public key
8. DNS delegations are automatically used to separate ______ in a single forest.
parent and child AD DS domains
DomainDnsZones
Trust anchors
Transfer New Copy Of Zone From Master
9. 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
Reload - Transfer From Master - Transfer New Copy Of Zone From Master
14
dnscmd /ZoneExport <zone name> <zone file name>
AD Zone Replication Scope page
10. To ______ a zone is to create a new zone for a subdomain within a DNS namespace and relinquish authority of that new zone.
1. DomainDnsZones and - 2. ForestDnsZones
aging
delegate
Create Default Application Directory Partitions
11. 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
partition
masters
trust anchor
12. Used to facilitate the resolution of single-label computer names in a large network.
DNS zone
the cache life of a resource record
GlobalNames zone
standard
13. You can perform a delegation only from a ________________.
Expires After
dnscmd servername /enlistdirectorypartition FQDN
parent zone to a child zone
use more than one name to point to
14. What is the name of the record that contains a hash of the public key in a delegated subdomain?
A DS record
Refresh Interval
CNAME resource records
deploying a GlobalNames zone
15. What kind of zones do not automatically perform time stamping on dynamically created resource records?
Standard zones
standard
To All DNS Servers In This Domain
%systemroot%System32Dns
16. A ______ is a data structure in AD that distinguishes data for different replication purposes.
Scavenging
To All DNS Servers In This Domain
partition
dnscmd servername /enlistdirectorypartition FQDN
17. ______ zones provide a means to offload DNS query traffic in areas of the network where a zone is heavily queried and used.
Secondary
asymmetric encryption
Create Default Application Directory Partitions
Remove stale
18. 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: _______.
AD Zone Replication Scope page
dnscmd /ZoneExport <zone name> <zone file name>
DNS server
parent zone to a child zone
19. To create a custom application directory partition - type the following command:
Minimum (Default) TTL
priority of dc2.lucernepublishing.com.
dnscmd servername /createdirectorypartition FQDN
To All DNS Servers In This Forest
20. 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.
Secondary
delegate
standard
To All Domain Controllers In This Domain
21. 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.
digitally sign
parent zone to a child zone
enable zone transfers
request DNSSEC validation for specific queries
22. 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.
To All Domain Controllers In This Domain
enable zone transfers
primary
1. DomainDnsZones and - 2. ForestDnsZones
23. DNSSEC in Win Server 2008 R2 allows a ______ to validate DNS data on behalf of its Win 7 clients.
DNS server
disabled
Scavenging
NS record and an associated A record
24. The ______ partition is replicated among all DCs that are also DNS servers in a particular domain
masters
notification
DomainDnsZones
To All DNS Servers In This Forest
25. 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.
disabled
time stamp
notification
deploying a GlobalNames zone
26. A ______ is a public key for a remote DNS server that is trusted and able to provide DNSSEC responses.
server level and at the zone level
Retry Interval
trust anchor
asymmetric encryption
27. 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.
disabled
Group Policy
Retry Interval
request DNSSEC validation for specific queries
28. 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
decreases
trigger zone transfers on secondary zones
Remove stale
29. Public key cryptography provides ______ - which means that separate keys are used to encrypt and decrypt data.
1. A SOA record 2. At least one NS record.
To All DNS Servers In This Forest
asymmetric encryption
dnscmd . /config /enableglobalnamessupport 1
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.
masters
server level and at the zone level
GlobalNames zone
priority of dc2.lucernepublishing.com.
31. 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.
To All Domain Controllers In This Domain
Group Policy
aging
partition
32. Consequently - when aging is enabled - dynamically registered resource records can be scavenged after ___ days by default.
decreases
14
Reload - Transfer From Master - Transfer New Copy Of Zone From Master
A DS record
33. The ______ option stores the new zone in the Domain-DnsZones partition. Every DC in the local domain and on which the DNS Server role is installed will receive a copy of the zone.
DNS zone
stub
14
To All DNS Servers In This Domain
34. To enable aging for a particular zone - you have to enable this feature both at the ______ level.
Minimum (Default) TTL
server level and at the zone level
Group Policy
Enterprise Admins
35. 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
priority of dc2.lucernepublishing.com.
ForestDnsZones
stub
36. You use Group Policy to configure DNS clients to _________________.
DNS zone
dnscmd servername /createdirectorypartition FQDN
Secondary
request DNSSEC validation for specific queries
37. 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)
public key
Netlogon
will not
38. The ______ service uses SRV records to locate DCs in a domain by searching the domain for the LDAP service.
DNS server
Netlogon
asymmetric encryption
Standard zones
39. Increasing the refresh interval ______ zone transfer traffic.
request DNSSEC validation for specific queries
Transfer From Master
server level and at the zone level
decreases
40. Scavenging can occur only when ______ is enabled.
aging
To All Domain Controllers In This Domain
asymmetric encryption
server level and at the zone level
41. There are three basic steps in _______________: 1. Enable GlobalNames zone support. 2. Create the GlobalNames zone. 3. Populate the GlobalNames zone.
deploying a GlobalNames zone
Retry Interval
masters
To All Domain Controllers In This Domain
42. ______ refers to the process of deleting outdated resource records on which time stamps have been placed.
Scavenging
parent and child AD DS domains
The DNS server needs to be a domain controller.
time stamp
43. 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
Create Default Application Directory Partitions
decreases
priority of dc2.lucernepublishing.com.
CNAME resource records
44. 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.
Remove stale
Enterprise Admins
The Zone Aging/Scavenging Properties
stub
45. When you create a new zone - two types of records required for the zone are automatically created. List them.
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.
CNAME resource records
NRPT
46. This operation reloads the secondary zone from the local storage.
Reload
dnscmd servername /createdirectorypartition FQDN
standard
trust anchor
47. 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
enable zone transfers
NS record and an associated A record
The Zone Aging/Scavenging Properties
priority of dc2.lucernepublishing.com.
48. For a DC to fall within the scope of such a directory partition - you must ______ that DC in the partition.
Expires After
Standard zones
manually enlist
AD Zone Replication Scope page
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.
accepted
deploying a GlobalNames zone
use more than one name to point to
1. A SOA record 2. At least one NS record.
50. The most common resource records you need to create manually include the following:
DNS server
Host (A or AAAA) - Alias (CNAME) - Mail exchanger (MX) - Pointer (PTR) - Service location (SRV)
Standard zones
Reload