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