The /etc/hosts file can be best described as______.

The correct answer is E. a local database of host names and their associated IP addresses. As your machine gets started, it will need to know the mapping of some hostnames to IP addresses before DNS can be referenced. This mapping is kept in the /etc/hosts file. In the absence of a name server, any network program on your system consults this file to determine the IP…

Configuring and Administering Networks

Question

Options

Aa local database of host names for rlogin, rsh, and rep
Bthe configuration file for the host name of the system
Ca local database of information for the uname command
Dthe configuration file for the Domain Name Service (DNS)
Ea local database of host names and their associated IP addresses

How the community answered

(28 responses)

A
4% (1)
B
4% (1)
D
14% (4)
E
79% (22)

Explanation

As your machine gets started, it will need to know the mapping of some hostnames to IP addresses before DNS can be referenced. This mapping is kept in the /etc/hosts file. In the absence of a name server, any network program on your system consults this file to determine the IP address that corresponds to a host name.

Topics

#hosts file#hostname mapping#DNS resolution#networking basics

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