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