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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 ___________________ dialog box enables you to modify two key settings related to aging and scavenging: 1. the no-refresh interval 2. and the refresh interval
Minimum (Default) TTL
Notify
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 Zone Aging/Scavenging Properties
2. You use Group Policy to configure DNS clients to _________________.
Aging
will not
To All DNS Servers In This Forest
request DNSSEC validation for specific queries
3. 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.
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.
NS record and an associated A record
primary
4. Consequently - when aging is enabled - dynamically registered resource records can be scavenged after ___ days by default.
Secondary
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.
public key
14
5. 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:
Scavenge Stale Resource Records
Enterprise Admins
NS record and an associated A record
Reload - Transfer From Master - Transfer New Copy Of Zone From Master
6. ______ zones provide a means to offload DNS query traffic in areas of the network where a zone is heavily queried and used.
DNS server
Secondary
To All Domain Controllers Specified In The Scope Of This Directory Partition
manually enlist
7. 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.
Refresh Interval
server level and at the zone level
stub
1. A SOA record 2. At least one NS record.
8. 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.
Group Policy
dnscmd servername /enlistdirectorypartition FQDN
To All Domain Controllers In This Domain
manually enlist
9. What kind of zones do not automatically perform time stamping on dynamically created resource records?
Secondary
Standard zones
Aging
dnscmd servername /enlistdirectorypartition FQDN
10. In this way - digital signatures use ______ cryptography to prove that information is unspoofed and unchanged.
public key
A DS record
1. A SOA record 2. At least one NS record.
server level and at the zone level
11. 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.
Win Srvr 2008 and Win Srvr 2008 R2
Retry Interval
NS record and an associated A record
accepted
12. 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
NRPT
dnscmd servername /enlistdirectorypartition FQDN
time stamp
the cache life of a resource record
13. Public key cryptography provides ______ - which means that separate keys are used to encrypt and decrypt data.
Notify
asymmetric encryption
manually enlist
AD Zone Replication Scope page
14. DNSSEC in Win Server 2008 R2 allows a ______ to validate DNS data on behalf of its Win 7 clients.
To All DNS Servers In This Forest
14
Secondary
DNS server
15. The ______ service uses SRV records to locate DCs in a domain by searching the domain for the LDAP service.
parent and child AD DS domains
Netlogon
dnscmd . /config /enableglobalnamessupport 1
To All DNS Servers In This Forest
16. By default - zone transfers are ______ from any zone.
Secondary
The Zone Aging/Scavenging Properties
Transfer New Copy Of Zone From Master
disabled
17. 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.
Retry Interval
time stamp
stub
%systemroot%System32Dns
18. 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
Create Default Application Directory Partitions
To All Domain Controllers Specified In The Scope Of This Directory Partition
To All Domain Controllers In This Domain
19. To configure notifications - click ______ on the Zone Transfers tab when zone transfers are enabled.
14
Notify
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.
time stamp
20. ______ resource records are used to specify the location of specific services in a domain.
NS record and an associated A record
aging
Service location (SRV)
dnscmd servername /createdirectorypartition FQDN
21. 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 ______.
priority of dc2.lucernepublishing.com.
Create Default Application Directory Partitions
Group Policy
request DNSSEC validation for specific queries
22. Scavenging can occur only when ______ is enabled.
Netlogon
aging
Name Servers
parent zone to a child zone
23. Win 7 clients can be configured to request DNSSEC through the Name Resolution Policy Table (NRPT) in ______.
Group Policy
parent and child AD DS domains
public key
DNS zone
24. ______ in DNS refers to the process of using time stamps to track the age of dynamically registered resource records.
parent zone to a child zone
Service location (SRV)
Create Default Application Directory Partitions
Aging
25. You must be a member of the ______ group to create an application directory partition.
primary
Enterprise Admins
Create Default Application Directory Partitions
disabled
26. A ______ is a public key for a remote DNS server that is trusted and able to provide DNSSEC responses.
trust anchor
asymmetric encryption
Netlogon
Name Servers
27. ______ refers to the process of deleting outdated resource records on which time stamps have been placed.
Scavenging
Trust anchors
The Zone Aging/Scavenging Properties
Name Servers
28. 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
CNAME resource records
Aging
will not
29. 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
GlobalNames zone
1. A SOA record 2. At least one NS record.
disabled
30. 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.
Group Policy
Host (A or AAAA) - Alias (CNAME) - Mail exchanger (MX) - Pointer (PTR) - Service location (SRV)
NRPT
Reload - Transfer From Master - Transfer New Copy Of Zone From Master
31. The most common resource records you need to create manually include the following:
CNAME resource records
notification
Host (A or AAAA) - Alias (CNAME) - Mail exchanger (MX) - Pointer (PTR) - Service location (SRV)
Win Srvr 2008 and Win Srvr 2008 R2
32. 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.
To All DNS Servers In This Forest
Retry Interval
trust anchor
disabled
33. When you create a new zone - two types of records required for the zone are automatically created: ______
Refresh Interval
public key
use more than one name to point to
1. A SOA record 2. At least one NS record.
34. DNS delegations are automatically used to separate ______ in a single forest.
Aging
parent and child AD DS domains
Standard zones
dnscmd . /config /enableglobalnamessupport 1
35. 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
public key
parent zone to a child zone
Notify
36. 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.
primary
NS record and an associated A record
To All DNS Servers In This Domain
A DS record
37. The ______ partition is replicated among all DCs that are also DNS servers in a particular domain
DomainDnsZones
standard
use more than one name to point to
The Zone Aging/Scavenging Properties
38. 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
standard
AD Zone Replication Scope page
CNAME resource records
To All DNS Servers In This Domain
39. Used to facilitate the resolution of single-label computer names in a large network.
A DS record
GlobalNames zone
Retry Interval
request DNSSEC validation for specific queries
40. Alias resource records are sometimes called canonical names (CNAME). These records allow you to ______ a single host.
aging
The DNS server needs to be a domain controller.
parent and child AD DS domains
use more than one name to point to
41. 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
AD Zone Replication Scope page
Reload - Transfer From Master - Transfer New Copy Of Zone From Master
masters
42. 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
ForestDnsZones
Remove stale
Expires After
notification
43. Increasing the refresh interval ______ zone transfer traffic.
Transfer From Master
decreases
request DNSSEC validation for specific queries
use more than one name to point to
44. To create a custom application directory partition - type the following command:
time stamp
manually enlist
dnscmd servername /createdirectorypartition FQDN
NS record and an associated A record
45. ______ 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.
%systemroot%System32Dns
Refresh Interval
manually enlist
Trust anchors
46. For a DC to fall within the scope of such a directory partition - you must ______ that DC in the partition.
CNAME resource records
manually enlist
stub
Refresh Interval
47. 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.
Retry Interval
To All DNS Servers In This Forest
NS record and an associated A record
standard
48. A ______ is a database containing records that associate names with addresses for a defined portion of a DNS namespace.
digitally sign
DNS zone
Notify
Aging
49. 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
parent and child AD DS domains
public key
notification
50. To enable GlobalNames zone support - At an elevated command prompt - type the following: ______.
Reload - Transfer From Master - Transfer New Copy Of Zone From Master
dnscmd . /config /enableglobalnamessupport 1
A DS record
the cache life of a resource record