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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. ______ zones provide a means to offload DNS query traffic in areas of the network where a zone is heavily queried and used.
deploying a GlobalNames zone
aging
Secondary
GlobalNames zone
2. There are three basic steps in _______________: 1. Enable GlobalNames zone support. 2. Create the GlobalNames zone. 3. Populate the GlobalNames zone.
partition
deploying a GlobalNames zone
masters
delegate
3. Increasing the refresh interval ______ zone transfer traffic.
will not
decreases
aging
The Zone Aging/Scavenging Properties
4. 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
dnscmd servername /createdirectorypartition FQDN
AD Zone Replication Scope page
Standard zones
dnscmd servername /enlistdirectorypartition FQDN
5. 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.
Secondary
enable zone transfers
The Zone Aging/Scavenging Properties
A DS record
6. Consequently - when aging is enabled - dynamically registered resource records can be scavenged after ___ days by default.
14
enable zone transfers
NS record and an associated A record
dnscmd servername /createdirectorypartition FQDN
7. The GlobalNames zone is compatible only with DNS servers running ______. Therefore - it cannot replicate to servers running earlier versions of Windows Server.
Minimum (Default) TTL
Win Srvr 2008 and Win Srvr 2008 R2
aging
server level and at the zone level
8. 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:
enable zone transfers
parent zone to a child zone
Reload - Transfer From Master - Transfer New Copy Of Zone From Master
Transfer New Copy Of Zone From Master
9. 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
Notify
trust anchor
use more than one name to point to
10. When you create a new zone - two types of records required for the zone are automatically created. List them.
A DS record
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.
enable zone transfers
11. 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.
Expires After
1. A SOA record 2. At least one NS record.
Transfer From Master
Enterprise Admins
12. ______ 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.
Host (A or AAAA) - Alias (CNAME) - Mail exchanger (MX) - Pointer (PTR) - Service location (SRV)
the cache life of a resource record
Refresh Interval
Trust anchors
13. 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 ______.
Transfer From Master
Scavenge Stale Resource Records
stub
Aging
14. To enlist other DNS servers in the partition - type the following command:
disabled
dnscmd servername /enlistdirectorypartition FQDN
dnscmd servername /createdirectorypartition FQDN
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 most common resource records you need to create manually include the following:
To All Domain Controllers In This Domain
DNS zone
Host (A or AAAA) - Alias (CNAME) - Mail exchanger (MX) - Pointer (PTR) - Service location (SRV)
%systemroot%System32Dns
16. You use Group Policy to configure DNS clients to _________________.
request DNSSEC validation for specific queries
Remove stale
stub
%systemroot%System32Dns
17. 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.
priority of dc2.lucernepublishing.com.
Secondary
Minimum (Default) TTL
primary
18. DNS delegations are automatically used to separate ______ in a single forest.
DNS zone
parent and child AD DS domains
dnscmd . /config /enableglobalnamessupport 1
aging
19. The ______ partition is replicated among all DCs that are also DNS servers in every domain in an AD forest.
ForestDnsZones
Scavenging
NRPT
Aging
20. 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
digitally sign
Transfer From Master
use more than one name to point to
21. A ______ is a data structure in AD that distinguishes data for different replication purposes.
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.
Remove stale
partition
parent and child AD DS domains
22. To create a custom application directory partition - type the following command:
dnscmd servername /enlistdirectorypartition FQDN
dnscmd servername /createdirectorypartition FQDN
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.
asymmetric encryption
23. 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.
aging
Transfer New Copy Of Zone From Master
Refresh Interval
Retry Interval
24. Scavenging can occur only when ______ is enabled.
aging
dnscmd servername /createdirectorypartition FQDN
time stamp
Enterprise Admins
25. DNSSEC enables a DNS server to ______ the resource records in its zones.
digitally sign
disabled
primary
Group Policy
26. 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.
disabled
Win Srvr 2008 and Win Srvr 2008 R2
To All DNS Servers In This Forest
public key
27. 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.
NS record and an associated A record
stub
1. DomainDnsZones and - 2. ForestDnsZones
Minimum (Default) TTL
28. To add an NS record - double-click any existing NS record in DNS Manager and add the server data to the ______ tab.
Create Default Application Directory Partitions
AD Zone Replication Scope page
Name Servers
dnscmd servername /createdirectorypartition FQDN
29. For a DC to fall within the scope of such a directory partition - you must ______ that DC in the partition.
dnscmd /ZoneExport <zone name> <zone file name>
manually enlist
trigger zone transfers on secondary zones
the cache life of a resource record
30. 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.
dnscmd servername /enlistdirectorypartition FQDN
Retry Interval
To All DNS Servers In This Domain
The Zone Aging/Scavenging Properties
31. The ______ service uses SRV records to locate DCs in a domain by searching the domain for the LDAP service.
14
1. DomainDnsZones and - 2. ForestDnsZones
Remove stale
Netlogon
32. 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.
To All Domain Controllers Specified In The Scope Of This Directory Partition
DNS zone
To All DNS Servers In This Domain
priority of dc2.lucernepublishing.com.
33. 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
time stamp
deploying a GlobalNames zone
The Zone Aging/Scavenging Properties
Retry Interval
34. Win 7 clients can be configured to request DNSSEC through the Name Resolution Policy Table (NRPT) in ______.
A DS record
Host (A or AAAA) - Alias (CNAME) - Mail exchanger (MX) - Pointer (PTR) - Service location (SRV)
Group Policy
manually enlist
35. ______ in DNS refers to the process of using time stamps to track the age of dynamically registered resource records.
enable zone transfers
DomainDnsZones
To All DNS Servers In This Domain
Aging
36. 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.
Minimum (Default) TTL
GlobalNames zone
time stamp
%systemroot%System32Dns
37. 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 ______.
Expires After
Reload
delegate
Create Default Application Directory Partitions
38. What kind of zones do not automatically perform time stamping on dynamically created resource records?
To All DNS Servers In This Domain
14
disabled
Standard zones
39. A ______ is a database containing records that associate names with addresses for a defined portion of a DNS namespace.
DNS zone
accepted
will not
Netlogon
40. By default - zone transfers are ______ from any zone.
Netlogon
disabled
Notify
To All Domain Controllers Specified In The Scope Of This Directory Partition
41. ______ refers to the process of deleting outdated resource records on which time stamps have been placed.
%systemroot%System32Dns
Reload - Transfer From Master - Transfer New Copy Of Zone From Master
decreases
Scavenging
42. 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.
stub
Remove stale
enable zone transfers
To All DNS Servers In This Domain
43. 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
manually enlist
parent zone to a child zone
Retry Interval
trigger zone transfers on secondary zones
44. What is the name of the record that contains a hash of the public key in a delegated subdomain?
Expires After
A DS record
server level and at the zone level
dnscmd servername /createdirectorypartition FQDN
45. 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: _______.
stub
dnscmd /ZoneExport <zone name> <zone file name>
Notify
dnscmd servername /createdirectorypartition FQDN
46. DNSSEC in Win Server 2008 R2 allows a ______ to validate DNS data on behalf of its Win 7 clients.
1. A SOA record 2. At least one NS record.
accepted
Notify
DNS server
47. Used to facilitate the resolution of single-label computer names in a large network.
Service location (SRV)
AD Zone Replication Scope page
Retry Interval
GlobalNames zone
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
The Zone Aging/Scavenging Properties
request DNSSEC validation for specific queries
notification
49. When you create a new zone - two types of records required for the zone are automatically created: ______
Aging
GlobalNames zone
1. A SOA record 2. At least one NS record.
Secondary
50. 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.
Transfer New Copy Of Zone From Master
The Zone Aging/Scavenging Properties
DNS server
dnscmd . /config /enableglobalnamessupport 1