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Test your basic knowledge |
MCTS: Configuring Name Resolution
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Study First
Subjects
:
certifications
,
mcts
,
it-skills
Instructions:
Answer 49 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. Finally - if the default and suffix search queries are also unsuccessful - the DNS Client service by default then performs what is called DNS ______. First - it adds the parent suffix of the primary DNS suffix. If there are more parent suffixes - tho
start /w ocsetup DNS-Server-Core-Role /uninstall
A computer first checks the resolver cache to answer a query.
devolution
primary DNS suffix
2. If a computer needs to resolve a DNS name - what is the first method it attempts to use?
A computer first checks the resolver cache to answer a query.
authoritative
ipconfig /displaydns
domain suffix search list
3. Cached records stay alive in the server cache until they exceed their ______ value - until the DNS Server service is restarted - or until the cache is cleared manually.
authoritative
TTL
resolver
Lmhosts
4. 1. Install the DNS server role on the server.2. Do not create any zones. 3. Verify that root hints are configured or updated correctly.
Point-to-point (p-node)
secure dynamic updates
socket pooling
installinh a caching-only DNS server
5. As a name resolution mechanism - LLMNR offers a few important advantages.
Group Policy
1. it requires no configuration 2. it is compatible with IPv6 3. it uses multicasting instead of broadcasting 4. it is a much smaller service than NetBIOS
1. Broadcast (b-node) 2. Point-to-point (p-node) 3. Mixed (m-node) 4. Hybrid (h-node)
Iteration
6. You can adjust the size of the pool of ports from which a random source port is chosen. To do so - type ______ at an elevated command prompt - where <value> is a number up to 10000 indicating the pool size.
dnscmd /Config /SocketPoolSize <value>
devolution
Mixed (m-node)
disable LLMNR
7. If you want to remove the DNS server role from a stand-alone or member server running a Server Core installation of Win Srvr 2008 or Win Srvr 2008 R2 - type the following command:
start /w ocsetup DNS-Server-Core-Role /uninstall
recursion
015 DNS
Recursion
8. From a DHCP server - the connection-specific suffix is assigned through the ______ Domain Name option.
socket pooling
015 DNS
secure dynamic updates
ipconfig /displaydns
9. You can ___________ for many computers at a time by using Group Policy.
domain suffix search list
start /w ocsetup DNS-Server-Core-Role
disable LLMNR
Hybrid (h-node)
10. When a DNS server receives a query - how does it first attempt to resolve the name?
Network Discovery
Lmhosts
Resource records
A DNS server first attempts to resolve a query by using resource records stored in a locally configured zone.
11. Deploying DNS servers on DCs enables the zone to benefit from additional features - such as _____ and AD replication among multiple DNS servers.
ipconfig /flushdns
secure dynamic updates
Ipconfig /registerdns
installinh a caching-only DNS server
12. The mechanism or mechanisms that NetBIOS uses to resolve computer names depends on the NetBIOS node type that is configured for the computer. Four node types exist:
dnscmd /Config /SocketPoolSize <value>
devolution level
Point-to-point (p-node)
1. Broadcast (b-node) 2. Point-to-point (p-node) 3. Mixed (m-node) 4. Hybrid (h-node)
13. _____ refers to the process of making repeated queries to different DNS servers to resolve a name.
015 DNS
Iteration
Caching-only
answer
14. ______ in DNS refers to the process of a DNS server querying other DNS servers on behalf of an original querying client.
start /w ocsetup DNS-Server-Core-Role
Recursion
Iteration
A computer first checks the resolver cache to answer a query.
15. You can attempt to force a registration in DNS of PTR records for a statically addressed client by typing ______ at an elevated command prompt on the client.
Ipconfig /registerdns
push-pull
1. it requires no configuration 2. it is compatible with IPv6 3. it uses multicasting instead of broadcasting 4. it is a much smaller service than NetBIOS
recursion
16. DNS ______ is another new feature in Win Server 2008 R2 that helps prevent DNS server spoofing and cache poisoning by locking the TTL value so records cannot be overwritten.
cache locking
Hosts
Ipconfig /registerdns
dnscmd /Config /SocketPoolSize <value>
17. ______ are DNS database entries that are used to answer DNS client queries.
ipconfig /flushdns
Resource records
006 DNS
cache locking
18. To clear the DNS client cache - you can type ______ at the command prompt.
Network Discovery
ipconfig /flushdns
start /w ocsetup DNS-Server-Core-Role
Iteration
19. For DNS clients - you can configure a DNS ______ that extends or revises their DNS search capabilities. This list allows searches for single-tag - unqualified computer names in more than one specified DNS domain.
A DNS server first attempts to resolve a query by using resource records stored in a locally configured zone.
domain suffix search list
Point-to-point (p-node)
Hosts - Lmhosts
20. If a DNS server cannot resolve a query by using the first method - which method will it use next?
If a DNS server cannot resolve a query by using zone data - it attempts to answer the query by using cached information.
DNS - Link Local Multicast Name Resolution (LLMNR) - and NetBIOS
devolution
start /w ocsetup DNS-Server-Core-Role
21. By default - a client with a domain name assigned by DHCP (and not Active Directory membership) cannot ____________.
ipconfig /flushdns
LLMNR
register its address in DNS
socket pooling
22. A DNS ______ is a contiguous portion of a namespace for which a server is authoritative.
zone
register its address in DNS
1. it requires no configuration 2. it is compatible with IPv6 3. it uses multicasting instead of broadcasting 4. it is a much smaller service than NetBIOS
secure dynamic updates
23. For all host records - you can attempt to force a registration in DNS by typing the command ______ at an elevated command prompt.
Hybrid (h-node)
Ipconfig /registerdns
A DNS server first attempts to resolve a query by using resource records stored in a locally configured zone.
Recursion
24. To view the DNS client cache - type ______ at a command prompt.
answer
devolution level
ipconfig /displaydns
secure dynamic updates
25. You can use ______ to force computers on a network to register connection-specific DNS names.
Point-to-point (p-node)
Resource records
LLMNR
Group Policy
26. The ______ file helps resolve host names to IP addresses - and the ______ file helps resolve NetBIOS names to IP addresses.
Hosts - Lmhosts
start /w ocsetup DNS-Server-Core-Role
TTL
Mixed (m-node)
27. This NetBIOS node type uses WINS queries first (p-node) and then uses broadcasts (b-node) as a fallback mechanism if no WINS server is configured - if a configured WINS server is unavailable - or if the queried-for name is not found in the WINS datab
Hosts - Lmhosts
Hybrid (h-node)
Group Policy
1. Broadcast (b-node) 2. Point-to-point (p-node) 3. Mixed (m-node) 4. Hybrid (h-node)
28. The ______________ serves two specific functions: First - it enables a client to automatically register its own host record in the corresponding DNS zone. Second - the DNS client automatically adds the primary DNS suffix to DNS queries that do not al
LLMNR
006 DNS
resolver
primary DNS suffix
29. Using ______ - a DNS server can query other DNS servers on behalf of the requesting client in order to resolve an FQDN.
register its address in DNS
start /w ocsetup DNS-Server-Core-Role /uninstall
recursion
015 DNS
30. If you want to install a DNS server on a stand-alone or member server running a Server Core installation of Win Srvr 2008 or Win Srvr 2008 R2 - type the following command:
Hybrid (h-node)
start /w ocsetup DNS-Server-Core-Role
register its address in DNS
LLMNR
31. You can create a Dcpromo _____ file by running Dcpromo on another computer that is running a full installation of Win Server 2008 or Win Server 2008 R2.
answer
Group Policy
push-pull
domain suffix search list
32. When you have multiple WINS servers in a large organization - you must configure replication among them so that each WINS database remains up to date. In most cases - you want to configure ______ replication among all WINS servers so that they can ef
dnscmd /Config /CacheLockingPercent <percent>
Hosts - Lmhosts
Iteration
push-pull
33. This NetBIOS node type uses point-to-point communications with a WINS server to resolve names.
locally hosted database
Lmhosts
Point-to-point (p-node)
devolution level
34. With DHCP - you can configure clients with a DNS server list by using the ______ Server option and then configuring the clients to obtain a DNS server address automatically in the TCP/IPv4 Properties dialog box.
Ipconfig /registerdns
LLMNR
006 DNS
zone
35. This NetBIOS node type uses broadcasts first (b-node) and then uses WINS queries (p-node) if broadcasts are not successful.
ipconfig /displaydns
Mixed (m-node)
cache locking
Ipconfig /registerdns
36. A DNS ______ is a service that uses the DNS protocol to query for information from DNS servers.
Hosts
Caching-only
resolver
1. Broadcast (b-node) 2. Point-to-point (p-node) 3. Mixed (m-node) 4. Hybrid (h-node)
37. In Win Vista and Win Server 2008 - LLMNR is enabled only when ______ is enabled. However - in Win 7 and Win Server 2008 R2 - LLMNR is enabled by default without this.
Network Discovery
Iteration
Resource records
Caching-only
38. A ______ is the number of tags left in a domain name to serve as a limit or stopping point for parent domain searching.
devolution level
domain suffix search list
1. it requires no configuration 2. it is compatible with IPv6 3. it uses multicasting instead of broadcasting 4. it is a much smaller service than NetBIOS
Group Policy
39. To configure DNS cache locking - type the following command at an elevated command prompt on a DNS server running Win Server 2008 R2:
dnscmd /Config /CacheLockingPercent <percent>
cache locking
Iteration
TTL
40. ______ servers do not host any zones and are not authoritative for any particular domain.
A DNS server first attempts to resolve a query by using resource records stored in a locally configured zone.
TTL
Caching-only
socket pooling
41. Zone files contain the data for the zones for which a server is ______.
domain suffix search list
Ipconfig /registerdns
push-pull
authoritative
42. A ______ suffix is useful if a computer has two network adapters and you want to distinguish the two routes to that computer by name.
start /w ocsetup DNS-Server-Core-Role
connection-specific
answer
secure dynamic updates
43. When enabled - ______ is always used to resolve computer names on the local subnet for the Network Map feature and for network browsing through Network on the Start menu.
LLMNR
1. Broadcast (b-node) 2. Point-to-point (p-node) 3. Mixed (m-node) 4. Hybrid (h-node)
recursion
Resource records
44. Win Server 2008 R2 networks include no fewer than three name resolution systems: ______.
connection-specific
DNS - Link Local Multicast Name Resolution (LLMNR) - and NetBIOS
hybrid
cache locking
45. By default - Windows clients are configured as ______ nodes.
resolver
TTL
hybrid
Group Policy
46. DNS ______ is a new feature in Win Server 2008 R2 that randomizes the source port from which DNS servers perform queries.
primary DNS suffix
socket pooling
TTL
Iteration
47. A server is authoritative for a domain when that server relies on ______ data to answer queries about hosts within a given domain.
devolution
ipconfig /flushdns
LLMNR
locally hosted database
48. Whenever you add an entry to the ______ file - that entry is immediately loaded into the DNS resolver cache.
Ipconfig /registerdns
Network Discovery
Hosts
dnscmd /Config /SocketPoolSize <value>
49. The ______ file is a static - local database file that is stored in the directory %SystemRoot%System32DriversEtc and that maps specific NetBIOS names to IP addresses.
TTL
resolver
devolution level
Lmhosts