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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. To configure notifications - click ______ on the Zone Transfers tab when zone transfers are enabled.
Name Servers
Notify
Service location (SRV)
standard
2. 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
dnscmd servername /enlistdirectorypartition FQDN
The DNS server needs to be a domain controller.
3. Public key cryptography provides ______ - which means that separate keys are used to encrypt and decrypt data.
aging
asymmetric encryption
dnscmd servername /createdirectorypartition FQDN
will not
4. What are the server requirements for storing a zone in AD?
Name Servers
delegate
The DNS server needs to be a domain controller.
Aging
5. Increasing the refresh interval ______ zone transfer traffic.
enable zone transfers
parent and child AD DS domains
To All DNS Servers In This Forest
decreases
6. 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 ______.
Host (A or AAAA) - Alias (CNAME) - Mail exchanger (MX) - Pointer (PTR) - Service location (SRV)
Create Default Application Directory Partitions
aging
priority of dc2.lucernepublishing.com.
7. To add an NS record - double-click any existing NS record in DNS Manager and add the server data to the ______ tab.
To All Domain Controllers In This Domain
Netlogon
Name Servers
standard
8. You use Group Policy to configure DNS clients to _________________.
NS record and an associated A record
GlobalNames zone
request DNSSEC validation for specific queries
To All Domain Controllers Specified In The Scope Of This Directory Partition
9. 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
NS record and an associated A record
AD Zone Replication Scope page
digitally sign
Remove stale
10. 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.
server level and at the zone level
Notify
To All DNS Servers In This Forest
AD Zone Replication Scope page
11. To enable aging for a particular zone - you have to enable this feature both at the ______ level.
Minimum (Default) TTL
Create Default Application Directory Partitions
server level and at the zone level
parent zone to a child zone
12. 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
To All Domain Controllers In This Domain
A DS record
notification
13. A ______ is a public key for a remote DNS server that is trusted and able to provide DNSSEC responses.
deploying a GlobalNames zone
primary
disabled
trust anchor
14. ______ zones provide a means to offload DNS query traffic in areas of the network where a zone is heavily queried and used.
trust anchor
Scavenging
Secondary
the cache life of a resource record
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: _______.
Win Srvr 2008 and Win Srvr 2008 R2
dnscmd /ZoneExport <zone name> <zone file name>
dnscmd servername /enlistdirectorypartition FQDN
Create Default Application Directory Partitions
16. 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.
Remove stale
stub
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.
17. 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.
DNS zone
standard
Notify
dnscmd servername /enlistdirectorypartition FQDN
18. 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:
trigger zone transfers on secondary zones
Reload - Transfer From Master - Transfer New Copy Of Zone From Master
Host (A or AAAA) - Alias (CNAME) - Mail exchanger (MX) - Pointer (PTR) - Service location (SRV)
To All Domain Controllers Specified In The Scope Of This Directory Partition
19. 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
%systemroot%System32Dns
masters
the cache life of a resource 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.
20. 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
aging
public key
Expires After
A DS record
21. This operation reloads the secondary zone from the local storage.
Notify
DNS server
Reload
To All Domain Controllers In This Domain
22. 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.
To All DNS Servers In This Domain
Reload - Transfer From Master - Transfer New Copy Of Zone From Master
1. A SOA record 2. At least one NS record.
trust anchor
23. Scavenging can occur only when ______ is enabled.
aging
GlobalNames zone
A DS record
asymmetric encryption
24. ______ in DNS refers to the process of using time stamps to track the age of dynamically registered resource records.
Aging
parent and child AD DS domains
To All Domain Controllers In This Domain
Service location (SRV)
25. 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.
request DNSSEC validation for specific queries
time stamp
To All Domain Controllers 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.
26. ______ 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
aging
To All Domain Controllers In This Domain
trust anchor
27. DNS delegations are automatically used to separate ______ in a single forest.
A DS record
Transfer From Master
parent and child AD DS domains
Enterprise Admins
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.
Group Policy
%systemroot%System32Dns
trigger zone transfers on secondary zones
manually enlist
29. 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.
1. A SOA record 2. At least one NS record.
Transfer From Master
Minimum (Default) TTL
stub
30. The ______ partition is replicated among all DCs that are also DNS servers in a particular domain
aging
DomainDnsZones
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.
To All DNS Servers In This Forest
31. 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
1. A SOA record 2. At least one NS record.
GlobalNames zone
AD Zone Replication Scope page
32. The ______ partition is replicated among all DCs that are also DNS servers in every domain in an AD forest.
Name Servers
ForestDnsZones
time stamp
A DS record
33. 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.
The DNS server needs to be a domain controller.
primary
Service location (SRV)
Refresh Interval
34. You can perform a delegation only from a ________________.
ForestDnsZones
parent zone to a child zone
Aging
public key
35. Used to facilitate the resolution of single-label computer names in a large network.
Remove stale
standard
1. DomainDnsZones and - 2. ForestDnsZones
GlobalNames zone
36. 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
server level and at the zone level
%systemroot%System32Dns
To All DNS Servers In This Forest
37. 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.
disabled
Scavenge Stale Resource Records
Service location (SRV)
NRPT
38. The Zone Transfers tab also allows you to configure ______ to secondary servers whenever a change occurs at the primary zone.
Win Srvr 2008 and Win Srvr 2008 R2
notification
Remove stale
DomainDnsZones
39. In this way - digital signatures use ______ cryptography to prove that information is unspoofed and unchanged.
DomainDnsZones
public key
enable zone transfers
DNS zone
40. The ______ service uses SRV records to locate DCs in a domain by searching the domain for the LDAP service.
Notify
public key
server level and at the zone level
Netlogon
41. 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.
14
priority of dc2.lucernepublishing.com.
delegate
Scavenge Stale Resource Records
42. When you create a new zone - two types of records required for the zone are automatically created: ______
Transfer From Master
To All DNS Servers In This Forest
1. A SOA record 2. At least one NS record.
primary
43. Win 7 clients can be configured to request DNSSEC through the Name Resolution Policy Table (NRPT) in ______.
server level and at the zone level
digitally sign
NS record and an associated A record
Group Policy
44. By default - zone transfers are ______ from any zone.
dnscmd servername /createdirectorypartition FQDN
request DNSSEC validation for specific queries
Group Policy
disabled
45. Consequently - when aging is enabled - dynamically registered resource records can be scavenged after ___ days by default.
14
1. DomainDnsZones and - 2. ForestDnsZones
1. A SOA record 2. At least one NS record.
primary
46. 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
Win Srvr 2008 and Win Srvr 2008 R2
A DS record
delegate
47. Manually created resource records for all zone types are assigned a time stamp of 0; this value indicates that they ______ be aged.
priority of dc2.lucernepublishing.com.
The DNS server needs to be a domain controller.
will not
accepted
48. 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
notification
Name Servers
Transfer From Master
49. The source zones from which secondary zones acquire their info are called ______ - and the data copy procedures through which this info is regularly updated are called zone transfers.
trust anchor
AD Zone Replication Scope page
masters
use more than one name to point to
50. Alias resource records are sometimes called canonical names (CNAME). These records allow you to ______ a single host.
Remove stale
Netlogon
stub
use more than one name to point to