cist 2431 final study guide gtc

What option, What used with the mount command, enables loopback mode so that an iso image can be mounted onto a directory?

--loop

What sar command option is used to display statistics for the processor queue?

--q

What switch below can be added to the ls command to show a list of files and their type?

-F

When used with the uncompress command, what option displays the contents of the compress file to Standard Output?

-c

What used with the compress command, what option below can be used to compress symbolic links?

-f

What using the compress utility, each file specified for compression is renamed with what extension?

.Z

Which device file below represents the first primary partition on the second PATA hard disk drive?

/dev/hdb1

Where is the skeleton directory located on most Linux systems?

/etc/skel

Where are the log files for the Samba daemon located?

/var/log/samba

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

/var/named/named.local

What number represents the stdin file descriptor?

0

What term describes the physical hardware and the underlying operating system upon which a virtual machine runs?

Virtual host

What is the term for a ZFS managed filesystem that is created from ZFS pools?

ZFS volume

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

HELO

What of the following is the greatest expense for companies using Linux?

Hiring people to maintain the Linux system

What viewing the version number for a Linux kernel, what number indicates the stability of the kernel?

Minor number

When using command-line terminal, specific letters that start with a dash ("-") and appear after command names are considered to be:

Options

What kill signal terminates a process by taking the process information in memory and saving it to a file called core on the hard disk in the current working directory?

SIGQUIT

What tool below was designed as a secure remote access utility that encrypts information that passes across the network?

Secure Shell (SSH)

What of the following is not one of the three main types of Linux commands?

device calls

Which command below provides the easiest method for monitoring free space on mounted filesystems?

df

What file under the proc directory contains information regarding what modules are currently loaded into the Linux kernel?

modules

What command can be used to see what network services are running on your network?

nmap

What permission grants a user the ability to open, read, and edit the contents of a file?

write

What character(s) below represent extended regular expression metacharacter(s)?

{}

What well-known TCP port is utilized by the SMTP service?

25

What using the chmod command, the mode rwx can be represented by which number?

7

What of the following key combinations, commonly used in the vi editor command mode, displays current line statistics?

Ctrl+g

What stage of the GRUB boot loader typically resides on the MBR / GPT?

Stage 1

What type of open source license ensures that the source code of a program is freely available while also allowing the original author of the source code some control over the changes made to it?

artistic

What command below can be used at a BASH command prompt to obtain a web page?

curl

What priority used by the System Log Daemon indicates a very serious system condition that would normally be broadcast to all users?

emerg or panic

(T or F) Pressing the Esc key at the prompt while using the more command displays a help screen

false

(T or F) To prevent a file from being cleared by the BASH shell and append output to the existing output, you can specify three > metacharacters alongside the file descriptor.

false

When viewing the output of the ps ax command, what does a < symbol in the STAT column indicate for a process?

high priority

What utility in the sysstat package measures the flow of information to and from disk devices?

iostat

What command should be used to restrict access to printers?

lpadmin

What keyword tells the Linux kernel to avoid printing errors to the screen during system startup?

quiet

What permissions are required to execute a shell script in a manner similar to any other executable program on the system?

read and execute

Which command below can be used to start, stop, or restart any daemons in the /etc/init.d directory?

service

What section of a filesystem contains information about the filesystem in general?

superblock

(T or F) By default, Fedora 20 allows the root user to log into the GNOME desktop

true

(T or F) Most daemon scripts accept the arguments start, stop, and restart.

true

(T or F) Open Source Software (OSS) is freely developed and continuously improved by a large community of software developers

true

(T or F) SCSI devices that act as a gateway are associated with a unique Logical Unit Number (LUN)

true

(T or F) The SGID allows regular users to execute a binary compiled program and become a member of the group that is attached to the file.

true

(T or F) The more filesystems that are used on a system, the less likely a corrupted filesystem will interfere with normal system operations, right.

true

What command can be used to count the number lines, words, and characters in a file?

wc

What Linux command can be utilized to display your current login name?

whoami

You are troubleshooting an issue that occurs on a Linux system during the boot process. What file can be viewed on most Linux systems to see processes that started successfully or unsuccessfully specifically during the boot process?

​/var/log/boot.log