LPIC-1
In TCP/IP over Ethernet networks, the term "host" refers to any device that has _____. Selected Answer: all of the above Answers:
All of the above (a hardware address, an IP address, a routing table)
Which of the following commands will switch you from command to insert mode?
All of the above. (a,i,o)
Which of the following devices would normally be assigned to a Small Computer Systems Interface (SCSI) hard drive, although it could also be assigned to a Serial Advanced Technology Attachment (SATA) hard drive?
/dev/sda1
A _____ contains the names of other files and/or directories.
Directory
All users of a Linux system must use the same shell.
False
Which of the following is true of redirection?
It can redirect standard input, standard output, and standard error to the same file.
Every unique file on a Unix partition has a unique inode.
True
Grep searches for files that contain a specific string, and returns the name of the file, and if the file is a text file, a line of context for the string.
True
In a UNIX system, everything is a file; if something is not a file, it is a process.
True
In practice, the X configuration file (xorg.conf for Fedora) is configured automatically at launch time and doesn't need to be manually re-configured.
True
In vi, each key most likely has two meanings: it can represent a command when vi is in command mode or a character when vi is in insert mode.
True
The "updated" (update database) command is used to update the locate database so that it contains the most current information on the location of files and directories.
True
The /etc/fstab contains static information that can be used to mount devices to the Linux filesystem during the boot process.
True
The Third Extended File System (ext3) is basically the same as the Second Extended File System (ext2) with a journal added that permits it to recover from power outages and system crashes more quickly.
True
The X Display Manager Control Protocol (XDMCP) server handles both local and remote logins for X-Windows.
True
The chmod (Change Mode) command is used to set or alter the read, write, and execute permissions for a user, group, or others that are associated with a file or directory, or a group of files or directories.
True
The command Is-al will give you a long list of the contents of the current working directory that includes hidden files and the attributes for each file and directory.
True
The command lsusb will list all usb devices detected by Linux.
True
The execute permission on a script file must be enabled before the script will run.
True
The insmod command is used to install modules in the Linux kernel, and the rmmod command is used to unload them.
True
The netstat command can be used to look for network activity or open ports on a computer.
True
The purpose of an IP routing table is to obtain the IP address of the next link from a destination IP address.
True
What sequence of keystrokes will stop a job running in the foreground?
<Ctrl> z
The dd utility can make a low level copy of a filesystem.
True
What command would be used to check the gpg signature on a downloaded source file?
gpg
Which of the following should not be used as passwords?
All of the above (Pets, books, a dictionary word)
Which of the following commands can be used to shut down Linux?
Any one of the three sets of commands will shut down Linux. (sync, halt, poweroff)
The work of Project ____ was eventually called the X Window System.
Athena
Linux is case insensitive (it behaves the same way whether commands are entered as upper or lower case characters).
False
Maintaining system security on Linux is neither difficult nor time consuming.
False
One of the advantages of shadow passwords is that they support password aging and account expiration features.
True
What is the result of executing the following vi command while editing a text file? 20 dd
You will delete 20 lines starting from the current cursor position.
In Linux, ________ is a standard feature that allows you to plug in new devices and use them immediately
hotplugging
The command used to rename a file in Linux is ____.
mv
Undelivered remote mail would be stored in the ____ directory.
/var/spool/mqueue
Which of the following terms refers to a unique 48 bit binary address, expressed in hexadecimal, that is assigned to each Network Interface Card during its manufacturing process?
All of the above refer to the same address. (Physical Address, Hardware Address, Media Access Control (MAC) Address)
By default, the desktop configuration is saved between logins.
False
Commands in the vi editor can be entered from the keyboard, or by using the mouse.
False
Copy of Commands in the vi editor can be entered from the keyboard, or by using the mouse.
False
In Linux, Direct Access Memory (DMA) allows a maximum of 1024 bytes of memory to be allocated per direction (input/output) per device.
False
In Linux, the ipconfig command is used to examine current IP address settings.
False
In an enterprise network, a "best practice" is to assign static IP addresses to all pcs
False
Passwords should be easy to guess and hard to remember.
False
Structured Query Language (SQL) can be interpreted and executed by several different Linux shells.
False
The /etc/fstab file contains settings that tell the init process how to handle each runlevel.
False
The job command and the ps command both return the same information.
False
The nohup command can only be used with processes that take a short time to complete and must be executed at a very high priority.
False
The priority or importance of a job is defined by its nice number. The higher the nice number is, the more important a job is and the more resources it will take without sharing them.
False
The yellowdog updater, modified (yum), Red Hat package manager (rpm), and apt-get are package managers. By default, all three are included with all current distributions of Linux.
False
To keep things simple, Linux only provides a single method to solve a given problem.
False
The procedure used to create a process is called _____.
Forking
Using the default Fedora shell, which of the following commands would display the path to your home directory?
None of the above. (echo $PATH, echo $Home, echo $SHELL)
When running the Bourne Again SHell (BASH), the _____ environment variable contains the path information for the current session.
PATH
The kill command is used to ______.
Send a signal to a process to terminate that process
What is the best way to prevent a single user from consuming all available disk space on a Linux filesystem?
Set a size limit of 100 GBytes on the total amount of storage that can be used by a single user. Warn users when they are approaching the limit, and prevent them from saving additional files if they exceed it.
Which of the following commands will display the last ten lines of a file by default?
Tail
In the following directory listing, which attribute contains the access permissions for owner, group, and others?
The first field (-rwxr- - r- -)
Which of the following steps comes first in the boot process?
The hardware completes a Power On Self-Test (POST).
A Daemon is a server process that usually is initialized at startup and runs continuously in the background.
True
A Variable is a placeholder in a script for a value that will be determined when the script runs
True
A shell is a command interpreter.
True
A super server is a program that listens for network connections on behalf of another program. When a connection is initiated, it hands off control of that connection to the intended server.
True
An IPv4 subnet mask is a 32 bit binary number, commonly expressed as decimal, that is used to differentiate the network part from the host part of an IP address.
True
The while loop ends with the done command.
True
Transmission Control Protocol (TCP) Port 80 is used as a listener for HyperText Transport Protocol (HTTP) traffic.
True
When working in a shell, you can interact with any file that you have permission to access, you can start any program on the system, and you can use special features of the shell.
True
When you are in insert mode in vi, pressing the Esc key will switch you back to command mode.
True
Which of the following SQL commands could update an existing record in a table?
UPDATE mytable SET STREET_ADDRESS='404 Error Message Lane', CITY='Internet City' WHERE LastName='Hacker' AND FirstName='Ima';
How would you enable routing in a Linux system?
You would edit the appropriate configuration file to enable IP forwarding.
When adding a new font to X's font path that you want to take precedence over other fonts in the existing path that have the same name, you would ____.
add the new font path to the top of the Files list in the SF86Config or xorg.conf file
The /proc/bus/usb/devices devices file contains ______.
detailed information about each connected USB device
Which of the following commands can be used to non-destructively test a hard drive for bad blocks?
e2fsck
The ___ editor is the original text editor on Unix machines. It is line-oriented and used to create, display, modify and otherwise manipulate text files.
ed
The command used to start a suspended job in the foreground is _____.
fg
A process by which a fully qualified domain name is resolved to an IP address using the Domain Name System (DNS) is known as ____.
forward lookup
Which command can be used to stop Linux?
halt
In shell scripting, the ___ command uses conditional expressions to take one of two actions.
if
A(n) ____ is like a version of a printer definition with particular options set
instance
When the ____ option is selected, the user must enter his or her password to clear the screensaver, once it starts.
lock
Which of the following would be the most likely tool to use when searching for unnecessary active network connections?
netstat -ap, because it would display all of the open ports on the system, as well as their associated process IDs.
It can redirect standard input, standard output, and standard error to the same file.
redirection
A process by which an IP address is resolved to a fully qualified domain name using the Domain Name System (DNS) is known as ____.
reverse lookup
How would you enable routing in a Linux system?
route add
Which of the following commands can be used to manage dynamic devices on Linux?
udev
The ____ tool allows you to produce an X-windows configuration file when no X server is running.
xorg with the -configure option