 Linux+ Certification Bible
ISBN: 978-0-7645-4881-9
Hardcover
700 pages
January 2002
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| Chapter | Page | Details | Date | Print Run |
|---|---|---|---|---|
| CD ID#5 | CD Question ID#5 Question: Which of the following commands will cause a system to crash when used while logged in as a superuser (such as root)? Answer 1: rm -rf /home/username/tmp Answer 2: rm /*.rpm Answer 3: rm -r f /tmp Answer 4: rm -rf /home/username/temp Explanation: The extra space after the leading backslash (/)in Answer A causes the rm command to delete all files in the root directory, wiping out the whole system. Errata: Answer A is correct, however, it should read "rm -rf / home/username/tmp" |
9/16/02 | ||
| CD ID#29 | CD Question ID#29 Question: Which of the following FTP clients was built from the ground up to solve problems with the FTP daemon? Answer 1: WS_FTP Answer 2: LinFTP Answer 3: TFTP Answer 4: ProFTPD Explanation: ProFTPD was built to remedy some of the weaknesses of the FTP daemon. Errata: The question should have read "FTP Servers", not "clients". ProFTPD is a daemon that was built to replace a daemon. |
6/20/03 | ||
| CD ID#34 | CD Question ID#34 Question: Which of the following is a part of TCP/IP? Answer 1: FTP Answer 2: ProFTPD Answer 3: Netfilter Answer 4: NAT Explanation: TCP/IP is built on FTP. Errata: The question should have been "...is a part of FTP?" and answer A should have been TCP/IP. FTP is built on TCP/IP not the other way around as stated. |
1/28/03 | ||
| CD ID#44 | CD Question ID#44 Question: If you want to output the file contains to the monitor, which command should you to use? Answer 1: cat |
10/19/02 | ||
| CD ID#45 | CD Question ID#45 Question: If you enter the cat /dev/tty filename command, what will be the result? Answer 1: The content of filename will be output to the monitor. Answer 2: The contents of /dev/tty will be saved in the filename. Answer 3: The X Window System will be started in another system console. Answer 4: All symbols input from the keyboard will be saved in the filename. Explanation: You should use the cat /dev/tty filename command when you want to see all the symbols input from the keyboard in the file filename. Errata: The question and explanation are missing the ">" symbol. It should be "cat /dev/tty > filename" for answer D to be correct. |
9/9/02 | ||
| CD ID#107 | CD Question ID#107 Question: inittab is Which of the following is the name of the process that begins all other processes after LILO boots the system? Answer 1: init Answer 2: inittab Answer 3: initcontrol Answer 4: initctrl Explanation: init is the process that begins all other processes. Errata: Correct answer is A init, but the test has B as the correct answer. |
7/26/02 | ||
| CD ID#159 | CD Question ID#159 Question: The source code of the Linux kernel is in: Answer 1: /usr/kernel ~~>B/etc/rc.d Answer 2: Answer 3: /bin Answer 4: /usr/src/linux Explanation: The directory /usr/src/linux is the directory is the directory where the source code of the kernel is. Errata: Answer A has Answer B appended to it. Answer B should be "/etc/rc.d" Answer D is correct. |
11/12/02 | ||
| CD ID#162 | CD Question ID#162 Question: If you want to reconfigure the kernel of your system, which command you should be used? ~~>Aconfig linux Answer 1: Answer 2: make config Answer 3: config kernel Answer 4: make linux Explanation: The command make config is the command to reconfigure the kernel of your system. Errata: Answer A was appended to the end of the question. Answer A should be "config linux". Answer B is correct. |
11/12/02 | ||
| CD ID#176 | CD Question ID#176 Question: Which of following directories is root directory? Answer 1: / Answer 2: /etc ~~>C/var Answer 3: Answer 4: /root Explanation: / is the root directory Errata: Answer C was appended to Answer B. Answer C should be "/var". The correct Answer is A. |
12/3/03 | ||
| CD ID#177 | CD Question ID#177 Question: If you want to change the runlevel of your system, which file should you edit? Answer 1: /etc/lilo.conf Answer 2: /etc/fstab Answer 3: /etc/hosts Answer 4: /etc/inittab Explanation: You should edit the string id:3:initdefault in the file /etc/inittab. Runlevel 3 typically starts without GUI. Errata: The correct answer is marked as C, but should be D /etc/inittab. |
7/25/02 | ||
| CD ID#179 | CD Question ID#179 Question: The filetypes existing in Linux and POSIX are: Answer 1: rpmModem Answer 2: dllHDD Answer 3: batConsole Answer 4: comPrinter Explanation: Types dll, com and bat are filetypes in Windows. The device presenting in block-oriented devices file is:Consoles, printers and modem manage the information with bytes, and HDD with blocks. Errata: The Question should be "The filetypes used in Linux and POSIX are:". The answers and explanation have text errors. Answer A should be rpm, Answer B: dll, Answer C: bat, Answer D: com. The correct answer should be A and the first sentence of the explanation is correct. The rest of the explanation is a text error and should have been deleted. |
10/26/02 | ||
| CD ID#182 | CD Question ID#182 Question: Which of the following functions are realized by hard link? Answer 1: Creates new ID Answer 2: Links to the directories Answer 3: Links to the files in other filesystems Answer 4: Do not create new ID Explanation: The hard links cannot create a new ID, cannot link files from another directory, do not show last version of a file and can be destroyed. Errata: Answer is D. Answer B should have been "Links files from another directory". Answer C should have been "Show last version of a file and can be destroyed". Both of which are in the Explanation. |
11/12/02 | ||
| CD ID#183 | CD Question ID#183 Question: What system variable can be used to determine terminal type? Answer 1: TERM Answer 2: PATH Answer 3: PS1 ~~>DHOME Answer 4: Explanation: TERM shows the type of the terminal. Errata: Answer D was appended to Answer C. Answer D should be "Home". The correct answer is A: TERM. |
11/12/02 | ||
| CD ID#190 | CD Question ID#190 Question: What is the symbol limit for Linux passwords? Answer 1: 8 symbols Answer 2: 16 symbols Answer 3: 4 symbols Answer 4: 256 symbols Explanation: Using module MD5, Linux passwords can be up to 256 symbols. Errata: The correct answer should be D, 256 symbols. |
10/26/02 | ||
| CD ID#197 | CD Question ID#197 Question: How do you identify what version of the kernel is used on your computer? Answer 1: ls -lCheck the file for corruption Answer 2: uname -rCheck that the filename hasn't been changed Answer 3: fdisk -lCheck that the file hasn't been moved Answer 4: fsck -t Check the file's permissions Explanation: The command uname -r identifies the kernal version. ~~>QIf a user is having problems accessing a file or directory, what's the first thing you should check?If a user can't access a file, check the file's permissions first to make sure that the user has permission to access it. Errata: The Answers & Explanation contains text from another question. Here is the correct display: Answer 1: ls -l Answer 2: uname -r Answer 3: fdisk -l Answer 4: fsck -t Explanation: The correct Answer is B, the command uname -r identifies the kernal version. |
10/26/02 | ||
| CD ID#277 | CD Question ID#277 Question: What does the following line indicate to the cron daemon? 25 6 1 * * $HOME/bin/monthly Answer 1: Run the script on 6/25/01 Answer 2: Run the script on the 25th day of each month after 6:00 p.m. Answer 3: Run the script 25 minutes after 6:00 p.m. on the first day of the month Answer 4: Run the script at 1:00 p.m. on the 25th of June Explanation: With the given line, cron will run the script 25 minutes after 6:00 p.m. on the first day of every month. Errata: Answer C is correct but should be a.m. not p.m. Same issue exists in the explanation. |
10/26/02 | ||
| CD ID#286 | CD Question ID#286 Question: Complete the sentence: The key -r is used in the command umount to: __:~~>APrint help message and exit Answer 1: Answer 2: Get verbose mode Answer 3: Try to remount read-only, in case unmounting fails Answer 4: Unmount without writing in /etc/mtab Explanation: The result of the command umount -r will be to remount read-only, if unmounting fails. Errata: Answer A is appended to the end of the question, so appears to be blank. Answer A should be "Print help message and exit." The correct answer is C. |
11/12/02 |
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