A Linux Administrator Tries to Ping a Hostname in a Network

question 127

Multiple Choice

A Linux administrator tries to ping a hostname in a network but receives the message: hostname not found . The administrator is sure the name exists on the network and wants to verify if the DNS server is correctly configured on the client. Which of the following files should the administrator use to verify this information?

• A) /etc/named.conf
• B) /etc/resolv.conf
• C) /etc/nsswitch.conf
• D) /etc/network

Understand the significance of A/C system maintenance, including leak detection and component replacement.

Understand the types of fuel used in truck supplemental coolant heaters.

Comprehend how electronically controlled A/C systems in trucks are integrated with vehicle data buses.

Identify causes of abnormal A/C system pressure readings.

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Definitions:

Ladder Logic

A graphical programming language used in programmable logic controllers (PLCs) to represent electrical circuits, characterized by rungs resembling a ladder.

Branch

A parallel logic path within a rung.

PLC Manufacturers

PLC manufacturers are companies that design, produce, and distribute programmable logic controllers (PLCs), which are industrial computer control systems used to automate a wide range of manufacturing and process control applications.