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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. The Zone Transfers tab also allows you to configure ______ to secondary servers whenever a change occurs at the primary zone.
notification
1. DomainDnsZones and - 2. ForestDnsZones
Reload - Transfer From Master - Transfer New Copy Of Zone From Master
parent zone to a child zone
2. 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.
Retry Interval
To All DNS Servers In This Domain
deploying a GlobalNames zone
Reload - Transfer From Master - Transfer New Copy Of Zone From Master
3. By default - zone transfers are ______ from any zone.
stub
disabled
Enterprise Admins
NRPT
4. 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
server level and at the zone level
CNAME resource records
decreases
Notify
5. 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
The Zone Aging/Scavenging Properties
primary
Reload
6. The GlobalNames zone is compatible only with DNS servers running ______. Therefore - it cannot replicate to servers running earlier versions of Windows Server.
CNAME resource records
dnscmd servername /enlistdirectorypartition FQDN
Aging
Win Srvr 2008 and Win Srvr 2008 R2
7. ______ resource records are used to specify the location of specific services in a domain.
time stamp
GlobalNames zone
Service location (SRV)
notification
8. 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.
digitally sign
priority of dc2.lucernepublishing.com.
manually enlist
Trust anchors
9. 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.
%systemroot%System32Dns
primary
DNS zone
the cache life of a resource record
10. 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
aging
Host (A or AAAA) - Alias (CNAME) - Mail exchanger (MX) - Pointer (PTR) - Service location (SRV)
1. DomainDnsZones and - 2. ForestDnsZones
11. 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 ______.
NRPT
Aging
Create Default Application Directory Partitions
To All Domain Controllers In This Domain
12. Consequently - when aging is enabled - dynamically registered resource records can be scavenged after ___ days by default.
14
Scavenge Stale Resource Records
digitally sign
CNAME resource records
13. This operation reloads the secondary zone from the local storage.
Reload - Transfer From Master - Transfer New Copy Of Zone From Master
Reload
To All Domain Controllers In This Domain
ForestDnsZones
14. You use Group Policy to configure DNS clients to _________________.
dnscmd /ZoneExport <zone name> <zone file name>
enable zone transfers
request DNSSEC validation for specific queries
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.
15. 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: _______.
dnscmd /ZoneExport <zone name> <zone file name>
priority of dc2.lucernepublishing.com.
will not
server level and at the zone level
16. ______ zones provide a means to offload DNS query traffic in areas of the network where a zone is heavily queried and used.
request DNSSEC validation for specific queries
Transfer New Copy Of Zone From Master
The DNS server needs to be a domain controller.
Secondary
17. What are the server requirements for storing a zone in AD?
The DNS server needs to be a domain controller.
To All Domain Controllers In This Domain
parent zone to a child zone
enable zone transfers
18. The ______ service uses SRV records to locate DCs in a domain by searching the domain for the LDAP service.
AD Zone Replication Scope page
Netlogon
disabled
GlobalNames zone
19. To create a custom application directory partition - type the following command:
DNS zone
The DNS server needs to be a domain controller.
dnscmd servername /createdirectorypartition FQDN
Minimum (Default) TTL
20. To enable GlobalNames zone support - At an elevated command prompt - type the following: ______.
Reload
dnscmd . /config /enableglobalnamessupport 1
decreases
Refresh Interval
21. DNSSEC in Win Server 2008 R2 allows a ______ to validate DNS data on behalf of its Win 7 clients.
DNS server
use more than one name to point to
Expires After
primary
22. The most common resource records you need to create manually include the following:
Host (A or AAAA) - Alias (CNAME) - Mail exchanger (MX) - Pointer (PTR) - Service location (SRV)
dnscmd /ZoneExport <zone name> <zone file name>
delegate
Expires After
23. 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
14
1. A SOA record 2. At least one NS record.
Remove stale
the cache life of a resource record
24. Public key cryptography provides ______ - which means that separate keys are used to encrypt and decrypt data.
trigger zone transfers on secondary zones
Netlogon
Transfer From Master
asymmetric encryption
25. ______ refers to the process of deleting outdated resource records on which time stamps have been placed.
Notify
Remove stale
Scavenging
1. DomainDnsZones and - 2. ForestDnsZones
26. To ______ a zone is to create a new zone for a subdomain within a DNS namespace and relinquish authority of that new zone.
Service location (SRV)
parent and child AD DS domains
accepted
delegate
27. A ______ is a data structure in AD that distinguishes data for different replication purposes.
NS record and an associated A record
parent zone to a child zone
the cache life of a resource record
partition
28. 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
server level and at the zone level
ForestDnsZones
the cache life of a resource record
29. Alias resource records are sometimes called canonical names (CNAME). These records allow you to ______ a single host.
1. A SOA record 2. At least one NS record.
stub
Scavenging
use more than one name to point to
30. 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
NS record and an associated A record
DNS zone
CNAME resource records
Expires After
31. ______ 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.
Trust anchors
request DNSSEC validation for specific queries
Reload - Transfer From Master - Transfer New Copy Of Zone From Master
asymmetric encryption
32. DNSSEC enables a DNS server to ______ the resource records in its zones.
parent zone to a child zone
To All Domain Controllers Specified In The Scope Of This Directory Partition
digitally sign
masters
33. The ______ partition is replicated among all DCs that are also DNS servers in every domain in an AD forest.
Create Default Application Directory Partitions
request DNSSEC validation for specific queries
Trust anchors
ForestDnsZones
34. 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.
time stamp
standard
dnscmd servername /enlistdirectorypartition FQDN
will not
35. The ______ partition is replicated among all DCs that are also DNS servers in a particular domain
Remove stale
Netlogon
digitally sign
DomainDnsZones
36. When you create a new zone - two types of records required for the zone are automatically created: ______
aging
1. A SOA record 2. At least one NS record.
public key
Service location (SRV)
37. 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
primary
server level and at the zone level
Refresh Interval
The Zone Aging/Scavenging Properties
38. The ______ option stores the zone in the user-created application directory partition specified in the associated drop-down list box.
Win Srvr 2008 and Win Srvr 2008 R2
stub
manually enlist
To All Domain Controllers Specified In The Scope Of This Directory Partition
39. 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
priority of dc2.lucernepublishing.com.
Retry Interval
NRPT
40. 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
masters
Transfer From Master
decreases
41. For a DC to fall within the scope of such a directory partition - you must ______ that DC in the partition.
dnscmd servername /enlistdirectorypartition FQDN
manually enlist
To All DNS Servers In This Forest
AD Zone Replication Scope page
42. A ______ is a public key for a remote DNS server that is trusted and able to provide DNSSEC responses.
Trust anchors
Host (A or AAAA) - Alias (CNAME) - Mail exchanger (MX) - Pointer (PTR) - Service location (SRV)
Standard zones
trust anchor
43. When you create a new zone - two types of records required for the zone are automatically created. List them.
disabled
the cache life of a resource record
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.
44. 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
standard
Win Srvr 2008 and Win Srvr 2008 R2
Enterprise Admins
45. What is the name of the record that contains a hash of the public key in a delegated subdomain?
Scavenge Stale Resource Records
1. A SOA record 2. At least one NS record.
parent and child AD DS domains
A DS record
46. 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
aging
The Zone Aging/Scavenging Properties
the cache life of a resource record
Retry Interval
47. 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.
dnscmd servername /createdirectorypartition FQDN
NRPT
manually enlist
%systemroot%System32Dns
48. In this way - digital signatures use ______ cryptography to prove that information is unspoofed and unchanged.
Host (A or AAAA) - Alias (CNAME) - Mail exchanger (MX) - Pointer (PTR) - Service location (SRV)
public key
Notify
Minimum (Default) TTL
49. 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.
server level and at the zone level
parent and child AD DS domains
public key
Remove stale
50. 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
request DNSSEC validation for specific queries
server level and at the zone level
notification