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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