Linux - Chapter 1 and 2 Study Guid

Chapter 1 & 2 Study Guide 1. Which of the following types of servers can be used to cache requested Internet resources so that they can be more quickly de livered to users requesting the same resource while at the same time reducing the burden on the external network connection to the Internet for an organization? - Proxy server 2. What two Linux distributions utilize the Debian package manager by default? - Linux Mint - Ubuntu Linux 3. A calendar for the current month can be shown on the command line by issuing which command? - cal 4. The Linux kernel exists as a file named: - vmlinuz 5. What software type is distributed free of charge, but the source code is not available? - Freeware 6. What directory under / contains the log files and spools for a Linux system? - /var 7. The mutt software is an example of what type of mail service software on Linux? - Mail user agent 8. What metacharacter can be used to issue two commands to be run in consecutive order, without piping or redirecting output? - ; 9. Which of the following types of cloud platforms would a webmail service offered to the general public be considered? - Saas 10. After a shell is no longer needed, what command can be given to exit the shell? - Exit 11. Which of the following server roles does Apache perform? - Web server 12. The iptables software on Linux is an example of what kind of software? - Firewall 13. Dustin runs a command at the command line trying to find out what kernel version the system is running. However, it doesn’t g ive him the information he needs. He knows there is an option that can be used to display the kernel version. How can he find out which option to use? - man uname 14. Which of the following is the greatest expense for companies using Linux? - Hiring people to maintain the Linux system 15. What piece of software tells the operating system how to use a specific hardware device? - Device driver 16. What Linux distribution is the most commonly used distribution within organizations today? - Red hat 17. When viewing the version number for a Linux kernel, what number indicates the stability of the kernel? - Minor number 18. Which of the following can be used to synchronize the time between a number of Linux servers and workstations on a network wi th a time clock source on the Internet? - NTP 19. Which of the following types of encryption uses a pair of keys known as a public and private? - Asymmetric encryption 20. When using command-line terminal, specific letters that start with a dash ("-") and appear after command names are considered to be: - Options 21. Select the utility below that will start and perform a thorough check of RAM for hardware errors when run. - memtest86 22. Which of the following terms describes a type of useful and legitimate software that is distributed by a developer where they do not charge for the software but also do not distribute the source code along with it? - Freeware 23. What metacharacter indicates background command execution? - & 24. Wayne is using the command line and is in his home directory. Which of the following will display a list of all files and the ir sizes from his home directory? (Choose two.) - ls -al /home/wayne - ls -al ~ 25. Proxy servers keep track of the information passed to each client by maintaining what type of table? - NAT 26. Open Source Software (OSS) is freely developed and continuously improved by a large community of software developers. - True 27. What stipulates that the source code of any software published under its license must be freely available? - GNU Public License 28. What year was the source code for Linux kernel released? - 1991 29. In Linux, the core component of the GUI is known as? - X Windows 30. An archive of files that usually contain scripts that install the software contents to the correct location on the system is referred to as a: - Tarball 31. What service provides a method for the efficient transfer of files over the internet? - FTP 32. What computer system was the first to run the UNIX operating system? - DEC PDP-7 33. Which type of open source license ensures that the source code of a program is freely available while also allowing the origi nal author of the source code some control over the changes made to it? - Artistic 34. The GNU General Public License (GPL) was developed by which organization? - Free Software Foundation (FSF) 35. The QT toolkit is utilized by which GUI environment? - KDE 36. A program loaded into memory and running on the processor performing a specific task. - Process 37. Software whose source code is not freely available from the original author. - Closed Source Software 38. Internet protocol service accessed via an application program called a newsreader. - Newgroup 39. A popular and widespread method of clustering computers together to perform useful tasks using Linux: - Beowulf clustering 40. Because Linux has the ability to manage thousands of tasks at the same time, including allowing multiple users to access the system simultaneously, it is referred to as an operating system that is: - Multitasking - Multiuser 41. What two options below are examples of common UNIX flavors? - Macintosh OS X HP-UX 42. The two different implementations of X Windows are called: - XFree86 - X.org 43. The two main competing GUI environments available in Linux are: - GNU Network Object Model Environment (GNOME) - K Desktop Environment (KDE) 44. After logging into a terminal, a user will receive an interface known as which option? - Shell 45. The apropos list command produces the same results as which command below? - man -k list