37900330
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Karteikarten von Rick Schoenman, aktualisiert more than 1 year ago
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Erstellt von Rick Schoenman
vor fast 3 Jahre
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| Frage | Antworten |
| What is DNS? | DNS is an industry standard name resolution service, that primarily resolves hostnames to IP addresses. |
| If a DNS server can not resolve a query, what does it then do? | - forward to another dns server - use the root hints to resolve it |
| What do domain-joined windows clients use DNS for when the want to contact a domain controller? | The use the DNS server to locate the domain controller. |
| The naming structure that DNS uses is hierarchical, what does this mean? | It means that a DNS namespace starts with a root domain and can have any number of subdomains |
| What is the difference between public and private domain names? | Private: you can decide how to call the namespace. Public: you must register the domain name with ICANN or another registrar to register your domain name. |
| Where does a DNS server retrieves it's response from? | First, from a local database. Else, it forwards it to another DNS server. The DNS server caches previously requested information from other DNS servers. |
| Which is a common Windows Server role that DNS is installed alongside? | Active Directory Domain Services |
| How do you make an DNS server responsible for resolving requests for a specific namespace? | You create a zone on the DNS server that corresponds to the namespace |
| What is the DNS resolver cache on a client? | After a Windows client has received an answer from a DNS server, it stores this in the resolver cache. |
| Which commands can you use to view the DNS resolver cache on a Windows client? | - ipconfig /displaydns - Get-DnsClientCache |
| Which commands can you use to clear the DNS resolver cache? | - ipconfig /flushdns - Clear-DnsClientCache |
| Besides DNS, what other name resolution methods can a Windows 10 client use? | - Check it's DNS resolver cache - Check the hosts file - Broadcast a NetBIOS name query - Check LMHOSTS file - Use a NetBIOS name resolution service like WINS |
| Describe a hostname | - User friendly name that is associated with a host's IP address and identifies it as as TCP/IP host. - Max. 255 characters - is an alias or an FQDN - Applications use the structured FQDN in the internet. |
| Describe a NetBIOS name | - nonhierarchical name - Max 16 chars, of which the last char is used to identify a service. - Represents a single computer or a group of computers |
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