Navdeep Singh Sembhi's Quiz History

Part 1: Module Part 1 Review Results for Navdeep Singh Sembhi Question 1 1 / 1 pts True or false: You can modify graphics files from the command line using Linux. True The ImageMagick suite of graphics programs is text-based; you can use it to convert file formats, add frames to images, resize images, and so on, all from the command line. Question 2 True or false: All Linux web browsers are GUI programs. False 1 / 1 pts The Lynx web browser is text-mode; you can run it in a terminal window or from a text-mode login. Question 3 1 / 1 pts Postfix is a server that implements the ______ protocol. (Provide the protocol’s acronym.) SMTP Question 4 1 / 1 pts True or false: xinetd is a super server. True The term super server refers to a server that listens for connection attempts on behalf of other servers and that launches those other servers only as needed. The two most common super servers on Linux are inetd and xinetd. Question 5 1 / 1 pts An attempt to acquire sensitive data directly from victims by posing as a trusted web site or authority is known as _______. phishing Question 6 1 / 1 pts The programming language that provides a direct one-to-one correspondence between human-understandable symbols and machineunderstandable numbers is ________ language. assembly Question 7 Which of the following two office suites are most closely related to one another? (Select two.) LibreOffice Apache OpenOffice 1 / 1 pts LibreOffice is derived from Apache OpenOffice, so options A and E are correct. LyX is a way to create and edit LaTeX documents, but is not an office suite, so option B is an incorrect choice. Calligra is an independently-created office suite for Linux, while Microsoft Office is a commercial office suite primarily for Windows and Mac OS X. Thus, options C, and D are independent of each other and of LibreOffice and OpenOffice.org. Question 8 1 / 1 pts A _______ is a GUI program in which text-mode programs can be run. terminal Question 9 1 / 1 pts Which of the following programming languages is most often implemented as a compiled language? C++ Of these languages, only C++ is commonly implemented as a compiled language, so option D is correct. The remaining options are all commonly implemented as interpreted languages. Partial Question 10 0.67 / 1 pts Which of the following programs are Linux file managers? (Select all that apply.) Thunderbird Thunar Dolphin GNOME Files Thunar is a file manager associated with Xfce, Dolphin is a file manager associated with KDE, and GNOME Files is a file manager associated with GNOME. Thus, options B, D, and E are all correct. Thunderbird is an email client, and Apache is a Web server program, so options A and C are both incorrect. Question 11 Which of the following commands is equivalent to typing apropos keyword? 1 / 1 pts man -k keyword The apropos command searches the man page system, including both the Name and Description sections. The -k option to man does the same thing, so option D is correct. The find, less, and grep commands don’t search the man page system, so options A, B, and E are all incorrect. Option C is incorrect because although whatis searches the man page system, it does a less thorough search than apropos or man -k. Question 12 How can you browse to a new node using the standard info documentation reader? Select a link using the arrow keys and then press the Enter key. 1 / 1 pts The info documentation reader provides hyperlinks between documentation pages that you can traverse using the keyboard, as described in option B. The info reader doesn’t use typed letters (option A) or numbers (option D) to traverse links, so those options are both incorrect. The info reader is a text-mode program that is not mouse-enabled, so option C is incorrect. (The GUI tkinfo program, though, works in this way.) Because option B is correct, option E cannot be correct. Question 13 1 / 1 pts To view all your recent commands in the command history, type in the command __________. history Question 14 1 / 1 pts To search all man pages’ Name sections for the keyword less, you would type ______________ less. whas Question 15 1 / 1 pts True or false: To run a GUI program in Linux, you must launch it from a desktop environment’s menus. False You can launch GUI programs in several ways, including using a desktop environment’s menus or typing the program’s filename in a terminal program. Question 16 1 / 1 pts True or false: info pages have largely replaced man pages as the most common form of documentation for Linux programs. False Although info was created to supplant man, the developer community as a whole has been slow to adopt the new format. Many programs continue to ship with man pages but without info pages. Question 17 1 / 1 pts Which of the following is a typical directory location for program documentation? /usr/share/doc/ Program documentation is often found in the /usr/share/doc/ directory (as well as the /usr/doc/ and /usr/share/doc/packages/directories). Thus, option A is correct. The /bin/ and /usr/local/bin/ directories are where programs are stored, and therefore options B and C are incorrect. Option D is a nonstandard Linux directory and is incorrect. The /sbin/ directory in option E is the location where programs for the superuser are typically stored and is therefore an incorrect choice. Question 18 What symbol do you place after a command to run the program in the background? & 1 / 1 pts An ampersand (&), placed after a command typed in Bash, causes the command to run in the background, so option A is correct. The remaining options do not accomplish this task, although option C redirects standard output and option D creates a pipe to the following command on the same line. Option B is completely meaningless, as is option E in this context, although a hash mark (#) does serve as a comment character in Bash scripts. Question 19 1 / 1 pts The ____________ command searches a limited set of directories for a designated file. whereis Question 20 The ________ command searches a database of filenames for the name or name fragment that you specify. locate 1 / 1 pts