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  3. Which protocol automates all of the following functions for hosts on a network: IP configuration, IP addresses, subnet masks, de

Which protocol automates all of the following functions for hosts on a network: IP configuration, IP addresses, subnet masks, de

admin2009-05-19  59
问题 Which protocol automates all of the following functions for hosts on a network: IP configuration, IP addresses, subnet masks, default gateways, and DNS server information?
A. CDP
B. SNMP
C. DHCP
D. ARP
E. DNS
F. None of the above
选项
答案C
解析 Explanation:
DHCP uses the concept of the client making a request and the server supplying the IP address to the client, plus other information such as the default gateway, subnet mask, DNS IP address, and other information.

Incorrect Answers:
A. CDP is the Cisco Discovery Protocol. It is used by Cisco devices at the data link layer to obtain information about their directly connected neighbors.

B. SNMP is the Simple Network Management Protocol. This is used for the maintenance, management, and monitoring of network devices.

D. ARP is the Address Resolution Protocol, which is used to resolve layer 2 MAC addresses to layer 3 IP addresses.

E. DNS is the Domain Name Service. It is used to resolve domain names (for example, www.ezonexam.com) to IP addresses. The IP address location of primary and secondary DNS resolver servers can be obtained for hosts using DHCP.
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