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1 | | Which of the following are needed for e-mail clients to find their e-mail servers, FTP clients to find their file servers, and Web browsers to find Web servers? |
| | A) | DHCP servers |
| | B) | DNS servers |
| | C) | E-mail servers |
| | D) | WINS servers |
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2 | | What do DNS servers use to help resolve IP addresses to DNS names? |
| | A) | Authentication |
| | B) | Authorization |
| | C) | Backward lookup zones |
| | D) | Reverse lookup zones |
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3 | | What do DNS servers use to help resolve DNS names to IP addresses? |
| | A) | Accounting |
| | B) | Administration |
| | C) | Backward lookup zones |
| | D) | Forward lookup zones |
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4 | | 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? |
| | A) | Cache-only servers |
| | B) | Primary servers |
| | C) | Secondary servers |
| | D) | WINS servers |
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5 | | What single command gives you the IP address and the name of your system’s default DNS server? |
| | A) | nbtstat |
| | B) | nslookup |
| | C) | ping |
| | D) | winword |
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6 | | What file can be replaced when a network has a WINS server? |
| | A) | HOSTS |
| | B) | LMHOSTS |
| | C) | SAM |
| | D) | WINS |
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7 | | What file can be replaced when a network has a DNS server? |
| | A) | HOSTS |
| | B) | LMHOSTS |
| | C) | SAM |
| | D) | WINS |
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8 | | What will adding a WINS proxy agent enable you to accomplish on your network? |
| | A) | Cross a hub |
| | B) | Cross a server |
| | C) | Cross a switch |
| | D) | Cross a router |
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9 | | Folders with subfolders on a system, like domain names with subdomains, are said to have a structure resembling what? |
| | A) | Branch |
| | B) | Forest |
| | C) | Root |
| | D) | Tree |
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10 | | Which of the following commands clears the local cache of DNS entries? |
| | A) | ipconfig /clear |
| | B) | ipconfig /cls |
| | C) | ipconfig /flushdns |
| | D) | ipconfig /renew |
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11 | | Which variation of the NBTSTAT command will check the current NetBIOS name cache? |
| | A) | nbtstat |
| | B) | nbtstat –c |
| | C) | nbtstat /checkupgradeonly |
| | D) | nbtstat /status |
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12 | | Which of these terms are frequently used interchangeably? |
| | A) | Domain |
| | B) | Folder |
| | C) | Subdomain |
| | D) | Zone |
| | E) | Answer A, D |
| | F) | Answer A, C |
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13 | | Which of the following are valid DNS record entry types? |
| | A) | A |
| | B) | M |
| | C) | NS |
| | D) | SOA |
| | E) | Answers B, C, D |
| | F) | Answers A, C, D |
| | G) | Answers A, B, C |
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14 | | Which of the following is an example of a top-level domain? |
| | A) | .com |
| | B) | totalsem.com |
| | C) | support.totalsem.com |
| | D) | houston.support.totalsem.com |
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15 | | How do authoritative DNS servers and cache-only DNS servers differ? |
| | A) | Authoritative DNS servers contain forward lookup zones while cache-only DNS servers contain only reverse lookup zones. |
| | B) | 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. |
| | C) | Authoritative DNS servers service requests for top-level domains while cache-only DNS servers service requests for down-level domains. |
| | D) | Authoritative DNS servers are found only in Windows Active Directory networks while cache-only DNS servers are found universally throughout the Internet. |
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