The _____ command displays information about the linux kernel:

Question 1.1. (TCO 1) _____ is a type of license for software for which the source code is released along with the actual software, enabling the knowledgeable user to modify the software. (Points : 6)

        Source code Closed source Shareware Open source

Question 2.2. (TCO 2) _____ consists of the physical components inside a computer that are electrical in nature. (Points : 6)

        Hardware Firmware Software Linux kernel

Question 3.3. (TCO 2) _____ divides a hard disk into adjacent sections, each of which can contain a separate file system used to store data. (Points : 6)

        Slicing Swapping Partitioning Selecting

Question 4.4. (TCO 3) After a user logs in to a terminal, he or she receives a user interface called _____. (Points : 6)

        shell user profile user env interpreter

Question 5.5. (TCO 3) The _____ command displays the last five lines of a text file. (Points : 6)

        end -5 head -5 stop -5 tail -5

Question 6.6. (TCO 3) The Linux command that is used to display the contents of one or more text files (similar to the MSDOS Type command) is _____. (Points : 6)

        ls cat lpr show cc

Question 7.7. (TCO 3) In UNIX, runlevel _____ is also known as multiuser mode. (Points : 6)

        3 4 5 6 0

Question 8.8. (TCO 3) The Linux wildcard "P?G" will select which of the following files? (Points : 6)

        PIGS Peg PuG PinG

Question 9.9. (TCO 3) A user interface that can also interpret commands is called _____. (Points : 6)

        shell user profile user env interpreter

Question 1.1. (TCO 6) Host name resolution is performed by which service? (Points : 6)

        DNS DHCP FTP nslookup

Question 2.2. (TCO 6) Name a protocol listed below that is connection oriented. (Points : 6)

        UDP IP TCP Ping

Question 3.3. (TCO 6) After connecting to an FTP site, the _____ command will upload multiple files. (Points : 6)

        mget get mput put read

Question 4.4. (TCO 5) The utility program _____ can be used to verify all well-known ports that might be inadvertently left open when not in use. (Points : 6)

        nmap snort netstat ping

Question 5.5. (TCO 5) What is the name of the stable and reliable firewall daemon that is freely available in every version of Linux? (Points : 6)

        ipfirewall ipnat ipchains iptables

Question 6.6. (TCO 5) Which secure shell command allows one network host to securely copy a file to another network host without requiring a user login? (Points : 6)

        ftp scp sftp tftp

Question 7.7. (TCO 5) Select the correct shell command line below that will set up a secure shell (ssh) connection between user jonesj and server 10.0.1.10. (Points : 6)

        ssh -l jonesj 10.0.1.10 ssh -s jonesj 10.0.1.10 ssh -c 10.0.1.10 jonesj ssh -i 10.0.1.10 jonesj

Question 8.8. (TCO 4) For security reasons, _____ is the name of the file that holds each user’s actual encrypted password. (Points : 6)

        /etc/passwd /etc/group /etc/sysconfig /etc/shadow

Question 9.9. (TCO 4) Given the permissions -rwxrwxr-x, the _____ will not be able to delete the specified file. (Points : 6)

        current owner or creator root user owner or creator's primary group unspecified (other) users and groups

Question 10.10. (TCO 4) After the user is created, the content of the _____ directory is copied to the new users' home directory. (Points : 6)

        /usr directory /etc/skel /home /root

Question 11.11. (TCO 4) The chgrp command takes _____ argument(s) at minimum. (Points : 6)

        one two three four

Question 1.1. (TCO 7) What TCP/IP protocol can be configured to automatically manage and assign static IP addresses to network hosts? (Points : 6)

        Dynamic hub configuration protocol Dynamic interface configuration protocol Dynamic host configuration protocol Dynamic configured host protocol

Question 2.2. (TCO 7) In the Linux sudoers configuration file, which of the following lines will give all of the users in the group students the right to execute the service command? (Points : 6)

        %students ALL=/sbin/service $students ALL=/sbin/service students -g ALL=/sbin/service group students ALL=/sbin/service

Question 3.3. (TCO 8) Which X component controls the position and manipulation of the windows in a GUI? (Points : 6)

        Graphical library Window manager X client X server

Short answer

Question 4.4. (TCO 7) What is the path and filename for the file that allows standard users or groups to execute specific commands normally reserved for the root user (superuser)? (Points : 16)

Question 5.5. (TCO 6) What is the name of the TCP/IP protocol that is used to view web pages, and what is the well-known TCP port number for this protocol? (Points : 16)

Question 6.6. (TCO 5) What is the command required to create a set of public and private keys that can be used by SSH (secure shell)? (Points : 16)

Question 7.7. (TCO 4) What is the command that will create a new user named johnsmith? (Points : 16)

Question 8.8. (TCO 3) What is the single command that will display all files in the /bin directory that begin with the letters a, b, or c, assuming /root is the current directory? (Points : 16)

Question 9.9. (TCO 2) What is the documentation that specifies which computer manufacturers and models Linux has been successfully installed on? (Points : 16)

Question 10.10. (TCO 1) For companies that are using Linux, what is the greatest expense that may be incurred? (Points : 16)

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