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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 ______ 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
To All DNS Servers In This Domain
AD Zone Replication Scope page
1. A SOA record 2. At least one NS record.
2. When you create a new zone - two types of records required for the zone are automatically created. List them.
To All Domain Controllers In This Domain
deploying a GlobalNames 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.
aging
3. To enlist other DNS servers in the partition - type the following command:
dnscmd servername /enlistdirectorypartition FQDN
Minimum (Default) TTL
deploying a GlobalNames zone
priority of dc2.lucernepublishing.com.
4. To ______ a zone is to create a new zone for a subdomain within a DNS namespace and relinquish authority of that new zone.
Notify
Refresh Interval
Host (A or AAAA) - Alias (CNAME) - Mail exchanger (MX) - Pointer (PTR) - Service location (SRV)
delegate
5. 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.
DNS server
Win Srvr 2008 and Win Srvr 2008 R2
Transfer New Copy Of Zone From Master
manually enlist
6. The GlobalNames zone is compatible only with DNS servers running ______. Therefore - it cannot replicate to servers running earlier versions of Windows Server.
Aging
asymmetric encryption
Win Srvr 2008 and Win Srvr 2008 R2
the cache life of a resource record
7. You must be a member of the ______ group to create an application directory partition.
CNAME resource records
Enterprise Admins
aging
dnscmd servername /createdirectorypartition FQDN
8. Used to facilitate the resolution of single-label computer names in a large network.
Host (A or AAAA) - Alias (CNAME) - Mail exchanger (MX) - Pointer (PTR) - Service location (SRV)
GlobalNames zone
Win Srvr 2008 and Win Srvr 2008 R2
Create Default Application Directory Partitions
9. DNS delegations are automatically used to separate ______ in a single forest.
Retry Interval
parent and child AD DS domains
use more than one name to point to
decreases
10. 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
Scavenging
AD Zone Replication Scope page
Minimum (Default) TTL
Group Policy
11. 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: _______.
Service location (SRV)
stub
dnscmd /ZoneExport <zone name> <zone file name>
the cache life of a resource record
12. To add an NS record - double-click any existing NS record in DNS Manager and add the server data to the ______ tab.
Name Servers
masters
decreases
time stamp
13. The Zone Transfers tab also allows you to configure ______ to secondary servers whenever a change occurs at the primary zone.
notification
CNAME resource records
GlobalNames zone
NS record and an associated A record
14. You can perform a delegation only from a ________________.
Notify
parent zone to a child zone
GlobalNames zone
Name Servers
15. 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.
notification
Aging
Retry Interval
Group Policy
16. Consequently - when aging is enabled - dynamically registered resource records can be scavenged after ___ days by default.
the cache life of a resource record
Scavenge Stale Resource Records
14
primary
17. 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
Trust anchors
Expires After
stub
trust anchor
18. DNSSEC in Win Server 2008 R2 allows a ______ to validate DNS data on behalf of its Win 7 clients.
request DNSSEC validation for specific queries
The Zone Aging/Scavenging Properties
DNS server
trigger zone transfers on secondary zones
19. What is the name of the record that contains a hash of the public key in a delegated subdomain?
dnscmd . /config /enableglobalnamessupport 1
Scavenge Stale Resource Records
Remove stale
A DS record
20. 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
Expires After
Netlogon
trigger zone transfers on secondary zones
Enterprise Admins
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.
The Zone Aging/Scavenging Properties
masters
enable zone transfers
Minimum (Default) TTL
22. 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.
Scavenging
priority of dc2.lucernepublishing.com.
aging
To All Domain Controllers In This Domain
23. Win 7 clients can be configured to request DNSSEC through the Name Resolution Policy Table (NRPT) in ______.
Group Policy
will not
Host (A or AAAA) - Alias (CNAME) - Mail exchanger (MX) - Pointer (PTR) - Service location (SRV)
primary
24. 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.
To All DNS Servers In This Forest
dnscmd servername /createdirectorypartition FQDN
NS record and an associated A record
primary
25. 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.
Reload
Reload - Transfer From Master - Transfer New Copy Of Zone From Master
standard
Remove stale
26. 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.
time stamp
Retry Interval
Remove stale
decreases
27. When you create a new zone - two types of records required for the zone are automatically created: ______
The DNS server needs to be a domain controller.
A DS record
masters
1. A SOA record 2. At least one NS record.
28. 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
Name Servers
dnscmd servername /enlistdirectorypartition FQDN
Transfer New Copy Of Zone From Master
29. ______ 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
Standard zones
stub
The Zone Aging/Scavenging Properties
30. To enable GlobalNames zone support - At an elevated command prompt - type the following: ______.
To All DNS Servers In This Domain
trigger zone transfers on secondary zones
aging
dnscmd . /config /enableglobalnamessupport 1
31. 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.
public key
The DNS server needs to be a domain controller.
priority of dc2.lucernepublishing.com.
server level and at the zone level
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.
Group Policy
parent and child AD DS domains
primary
1. A SOA record 2. At least one NS record.
33. ______ resource records are used to specify the location of specific services in a domain.
Service location (SRV)
aging
use more than one name to point to
Scavenge Stale Resource Records
34. To create a custom application directory partition - type the following command:
Refresh Interval
Trust anchors
1. A SOA record 2. At least one NS record.
dnscmd servername /createdirectorypartition FQDN
35. 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
1. A SOA record 2. At least one NS record.
aging
CNAME resource records
asymmetric encryption
36. ______ refers to the process of deleting outdated resource records on which time stamps have been placed.
Notify
masters
Minimum (Default) TTL
Scavenging
37. 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.
Refresh Interval
Transfer From Master
Retry Interval
NS record and an associated A record
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 ______.
NS record and an associated A record
ForestDnsZones
will not
Scavenge Stale Resource Records
39. 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.
Host (A or AAAA) - Alias (CNAME) - Mail exchanger (MX) - Pointer (PTR) - Service location (SRV)
A DS record
Minimum (Default) TTL
disabled
40. In this way - digital signatures use ______ cryptography to prove that information is unspoofed and unchanged.
public key
A DS record
the cache life of a resource record
DNS zone
41. By default - DCs include two application directory partitions reserved for DNS data: ______.
1. DomainDnsZones and - 2. ForestDnsZones
Expires After
Notify
deploying a GlobalNames zone
42. The ______ partition is replicated among all DCs that are also DNS servers in a particular domain
CNAME resource records
Enterprise Admins
Minimum (Default) TTL
DomainDnsZones
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
Transfer New Copy Of Zone From Master
CNAME resource records
Retry Interval
masters
44. What kind of zones do not automatically perform time stamping on dynamically created resource records?
1. DomainDnsZones and - 2. ForestDnsZones
trigger zone transfers on secondary zones
Standard zones
To All DNS Servers In This Domain
45. 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. A SOA record 2. At least one NS record.
Host (A or AAAA) - Alias (CNAME) - Mail exchanger (MX) - Pointer (PTR) - Service location (SRV)
masters
46. 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.
Expires After
time stamp
1. DomainDnsZones and - 2. ForestDnsZones
partition
47. The ______ option stores the zone in the user-created application directory partition specified in the associated drop-down list box.
use more than one name to point to
public key
To All Domain Controllers Specified In The Scope Of This Directory Partition
NS record and an associated A record
48. For a DC to fall within the scope of such a directory partition - you must ______ that DC in the partition.
Win Srvr 2008 and Win Srvr 2008 R2
14
trigger zone transfers on secondary zones
manually enlist
49. 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.
public key
aging
stub
masters
50. 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
the cache life of a resource record
Standard zones
AD Zone Replication Scope page
To All DNS Servers In This Forest