Linux 1

What man page sections shows a list of options available for a Linux command and explains what the options do?

DESCRIPTION

f you are viewing the contents of a man page, which key can you press to get back to the beginning of the page?

Home

Users are complaining that the clocks for their operating systems do not match the current time for the location in which they live. What fixes this.

NTP

Resolves (or maps) the fully qualified domain names (FQDNs) to IP Addresses

Name server

A protocol used to securely log on to remote systems using encryption.

SSH

Which of the following is the primary role of a mail transfer agent (MTA)

Store messages so they can be downloaded or send email to a destination MTA.

A type of network that uses encryption to allow IP traffic to travel securely over the TCP/IP network.

VPN

Which of the following commands should a Linux user enter to see a list of all the commands the user recently ran at the command prompt?

history

You are working on a Linux System and need more information about the uname command. What you enter at the command prompt to learn about the uname command syntax and options?

man uname

A program responsible for accepting HTTP (Hypertext Transfer Protocol) requests from clients.

web server

A technician had been given a work order to install the Apache webserver on a system configured with a YUM repository. Which of the following commands will install the webserver?

yum install httpd

A Linux user has an executable file named ni that can save a snapshot of network information with the date and time in a log file. The executable ni file is in the /root directory, and /root is the current working directory. Which of the following commands would run the executable file?

/root/ni and ./ni

What is displayed when the uname -a command is run?

All system information

Tim, a system administrator, wants to simplify the provisioning and disabling of user accounts. What server roles should Tim install and configure?

Authentication server

Which of the following is the standard shell for MOST Linux computers?

Bourne-again shell(bash)

Your company recently setup a VPN and wants to use a digital certificate for authentication instead of a pre-shared key. What server roles would allow the company to provide this functionality internally instead of using an external provider?

Certificate Authority

Your company is running a critical business application. The executive team wants to endure the server is available at all times, even in the event of a server failure. What server roles would be used to provide a failover server in the event of a system failure?

Clustering

Your company develops applications to run on Linux systems. You currently have four teams working on a different aspect of the same application. what would you use to test all the code.

Containers

Users are complaining that they are unable to connect to any servers or the internet. Based on the symptoms they describe, you suspect that the users are not being assigned the correct IP addresses. What fixes this.

DHCP

Manages intelligent devices, such as automation and control equipment.

Embedded Linux

Alex, a webmaster, is implementing an order processing system on the company's website. What server roles should be used to provide a central location for users of both operating systems to share files?

File servers

Infrastructure as a Service

Linux and Cloud Computing

Used by Google on many of the physical products it sells

Linux on mobile devices

Running Linux and Windows on the same physical computer.

Linux virtualization

Increases response time to back-end servers by distributing the workload across the available servers

Load balancer

Capturing a timeline of events that have taken place on the computer in the form of a file.

Logging

Your company has been expanding the number of servers in the company's data center, and there is an increased need to gather metrics, watch process states, work with logs, watch services states and file system usage. Which of the following server roles should be installed to provide this functionality?

Monitoring

Which of the following server roles would you implement to provide services offered by CUPS and IPP?

Print server

A computer that provides indirect internet access to the computers in your network.

Proxy

a protocol used to communicate with and monitor network devices and servers.

SNMP

What would you enter at the command prompt to start a new Bourne-again shell (bash) session?

bash

As a Linux user, you have access to an executable file named myapp. It's found in the current directory, but not in the command path. What would you enter at the command prompt to start the myapp file and replace the shell with myapp process?

exec ./myapp

What commands searches man pages for a specific keyword

man -k and apropos and whatis

What would you enter at the command prompt to display the current working directory?

pwd