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