chapter 13 quiz linux

What zone configuration file contains a PTR record used to identify the loopback adapter?

/var/named/named.local

What kind of servers resolve fully qualified domain names to IP addresses for a certain namespace on the Internet?

DNS

When working with Sendmail, what command can be used to test SMTP support?

HELO

Which of the following types of joins will return a record from two intersecting tables only if there is a match on the joining field from both tables?

INNER JOIN

Which of the following is a valid SQL statement for adding a new row of data to a SQL database table?

INSERT INTO users (firstname, lastname) values ('George', 'Washington');

Which type of CM software can connect to inventory members via SSH to perform configuration management activities?

agentless

Which of the following is used on modern Linux distributions that reads YAML configuration files to add apps, modify existing configuration settings, or perform administrative tasks at boot time?

cloud-init

Which command can be used at a BASH command prompt to obtain a Web page?

curl

Which of the following types of CM software only requires that you specify the attributes that the inventory members must have within a configuration file, not the individual procedures that must be executed on them?

declarative configuration

What PostgreSQL command-line utility backs up PostgreSQL database settings?

pg_dump