| 1. | Which of the following devices translates hostnames into IP addresses? |
| a. | DNS Server |
| b. | Hub |
| c. | DHCP Server |
| d. | Firewall |
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Answer: (a).DNS Server
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| 2. | The ____ translates internet domain and host names to IP address. |
| a. | domain name system |
| b. | routing information protocol |
| c. | network time protocol |
| d. | internet relay chat |
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Answer: (a).domain name system
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| 3. | What does a DNS client called? |
| a. | DNS handler |
| b. | DNS resolver |
| c. | DNS updater |
| d. | None of the above |
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Answer: (b).DNS resolver
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| 4. | The entire hostname has a maximum of |
| a. | 255 characters |
| b. | 127 characters |
| c. | 63 characters |
| d. | 31 characters |
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Answer: (a).255 characters
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| 5. | Servers handle requests for other domains |
| a. | directly |
| b. | by contacting remote DNS server |
| c. | it is not possible |
| d. | none of the mentioned |
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Answer: (b).by contacting remote DNS server
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| 6. | DNS database contains |
| a. | name server records |
| b. | hostname-to-address records |
| c. | hostname aliases |
| d. | all of the mentioned |
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Answer: (d).all of the mentioned
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| 7. | If a server has no clue about where to find the address for a hostname then |
| a. | server asks to the root server |
| b. | server asks to its adjcent server |
| c. | request is not processed |
| d. | none of the mentioned |
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Answer: (a).server asks to the root server
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| 8. | Which one of the following allows client to update their DNS entry as their IP address change? |
| a. | dynamic DNS |
| b. | mail transfer agent |
| c. | authoritative name server |
| d. | none of the mentioned |
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Answer: (a).dynamic DNS
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| 9. | Wildcard domain names start with label |
| a. | @ |
| b. | * |
| c. | & |
| d. | # |
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Answer: (b).*
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| 10. | The right to use a domain name is delegated by domain name registers which are accredited by |
| a. | internet architecture board |
| b. | internet society |
| c. | internet research task force |
| d. | internet corporation for assigned names and numbers |
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Answer: (d).internet corporation for assigned names and numbers
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