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14 Cards in this Set
- Front
- Back
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Which of the following are needed for e-mail clients to find there e-mail servers, FTP clients to find their file servers, and Web browsers to find Web servers? |
DNS servers |
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What do DNS servers use to help resolve IP addresses to DNS names? |
reverse lookup zones |
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What type of DNS servers do not have any forward lookup zones and will resolve names of systems on the Internet for a network but are not responsible for telling other DNS servers the names of any clients? |
cache-only servers |
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What command gives you the IP address and the name of your system's default DNS servers? |
nslookup |
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What file can override your DNS server? |
HOSTS |
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Which of the following ports are used by Windows to support pre-DNS naming protocols? |
TCP port 137 |
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What does adding a caching-only DNS server enable you to accomplish on your network? |
Replaces your DHCP server |
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Folders with subfolders on a system, like domain names with subdomains, are said to have a structure resembling what? |
tree |
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Which of the following commands clears the local cache of DNS entries? |
ipconfig /flushdns |
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Which UDP and TCP port does DNS use? |
53 |
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Which of these terms are frequently used interchangeably? |
Domain and Subdomain |
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Which of the following are valid DNS record entry types? |
A, NS and SOA |
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Which of the following is an examples of a top-level domain? |
.com |
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How do authoritative DNS servers and cache-only DNS servers differ? |
Authoritative DNS servers store IP addresses and FQDNs of systems for a particular domain or domains while cache-only DNS servers do not store any FQDNs because they are only used to talk to other DNS servers to resolve IP addresses. |
