Unit 9 Linux, NOS 120 Study Guide Ch. 8, NOS 120 Study Guide Ch. 10, NOS 120 Study Guide Ch. 11, NOS 120 Study Guide Ch. 12, NOS 120 Study Guide Ch. 13, NOS 120 Study Guide Ch. 14

Which of the following will display the contents of the /etc/shadow file? (Choose all that apply.) Select one or more: a. getent /etc/shadow b. read /etc/shadow c. show /etc/shadow d. cat /etc/shadow

cat /etc/shadow getent /etc/shadow

Which of the following will show account aging information for a user such as the date of the last password change, when the password expires, and the number of days of warning before the password expires? Select one: a. usermod --expiry jsmith b. chage -u jsmith c. lsuser jsmith d. chage -l jsmith

chage -l jsmith

Which of the following is used on modern Linux distributions that reads YAML configuration files to add apps, modify existing configuration settings, or perform administrative tasks at boot time? Select one: a. OVF b. cloud-init c. Kickstart d. Docker Hub

cloud-init

Which of the following commands can be used to back up files in case of system failure, supports long filenames, and can also back up device files? Select one: a. bkup b. sysbackup c. cpio d. diskdup

cpio

Which of the following commands will show the current user cron jobs that have been created for the currently logged in user? cronjobs --list cron --list cron -l crontab -l

crontab -l

You have run the top command successfully, but realize that the q key on the keyboard has suddenly stopped working. What is another way that you can exit out of the top program? Select one: a. ctrl-c b. ctrl-w c. ctrl-q d. ctrl-x

ctrl-c

You have run the top command successfully, but realize that the q key on the keyboard has suddenly stopped working. What is another way that you can exit out of the top program? ctrl-c ctrl-q ctrl-w ctrl-x

ctrl-c

Which of the following commands can be used to pause a printer named Printer1? Select one: a. cupsdisable Printer1 b. cupsreject -p Printer1 c. cupsreject Printer1 d. cupsdisable -c Printer1

cupsdisable Printer1

Which command can be used at a BASH command prompt to obtain a Web page? Select one: a. ab b. webpage c. curl d. apachect1

curl

Which of the following types of CM software only requires that you specify the attributes that the inventory members must have within a configuration file, not the individual procedures that must be executed on them? Select one: a. imperative configuration b. agent-based c. agentless d. declarative configuration

declarative configuration

Which of the following commands can be used to remove a group from a Linux system? (Choose all that apply.) Select one or more: a. groupdel b. rmgroup c. rmg d. delgroup

delgroup groupdel

Emily accidentally created a new user account on the wrong server. Which of the following commands could she use to delete the account she created? (Choose all that apply.) Select one or more: a. usermod -d b. userdel c. usermod -r d. deluser

deluser userdel

Which of the following commands will list the BIOS information about a device when it cannot otherwise be detected by a Linux system? Select one: a. lsuefi b. dmidecode c. biosinfo d. hwls

dmidecode

Which of the following is the log file where Dandified YUM writes its log entries? Select one: a. dnf.log b. dyum.log c. dnf.rpm.log d. yumd.log

dnf.rpm.log

Which of the following commands can be used to modify configuration options for DPM packages after they have been installed? Select one: a. dpkg-config b. dpkg-update c. dpkg-configure d. dpkg-reconfigure

dpkg-reconfigure

Which of the following is the log file where the Debian Package Manager writes entries for actions taken and packages installed? Select one: a. packages.log b. dpackage.log c. dpkg.log d. dpm.log

dpkg.log

Which of the following commands will display detailed information for network hardware? Select one: a. hwdisp --network b. lshw --net c. lsnet d. ethtool

ethtool

After a background process has been started, what command below can be used to move it to the foreground? Select one: a. fgnd b. fgd c. b2f d. fg

fg

After a background process has been started, what command below can be used to move it to the foreground? fg fgnd fgd b2f

fg

You have started a job running in the background that you want to now bring to the front so that you can watch it execute. Which of the following commands can be used to display the job's output to the terminal? Select one: a. disp b. fg c. front d. jobs -f

fg

You have started a job running in the background that you want to now bring to the front so that you can watch it execute. Which of the following commands can be used to display the job's output to the terminal? disp fg front jobs -f

fg

Which of the following is the keyword that should be listed after the hosts statement in the /etc/nsswitch.conf file so that the system will consult the /etc/hosts file to resolve a name to an IP address? Select one: a. etchosts b. hosts c. local d. files

files

If you suspect that you have bad blocks on a filesystem, which of the following commands can be used to try and repair the filesystem? Select one: a. chkfs b. blocks c. chkdisk d. fsck

fsck

Which of the following will display entries from the Name Service Switch libraries? Select one: a. nsslist b. getent c. nss d. dispdet

getent

Which of the following commands can a user run to display the groups that they are a member of? Select one: a. groupmod --list b. groups --list c. groupls d. groups

groups

You run the command hostname server1 and issue the reboot command. You notice that the host name has reverted back to what it was before the reboot. Which of the following commands should you have used to change the host name instead? Select one: a. hostnamectl set-hostname server1 b. set hostname="server1" c. ifconfig server1 d. host server1

hostnamectl set-hostname server1

What command can be used to view and modify the date and time within the BIOS? Select one: a. clock b. date c. clkmod d. hwclock

hwclock

Which of the following commands can be used to convert files between different character encodings? Select one: a. conv b. transform c. convert d. iconv

iconv

The system administrator has shut ethernet interface eth0 down while making some changes to the system. Which of the following commands can they use to bring the network connection back up? Select one: a. int eth0 up b. interface eth0 --status up c. ifup eth0 d. netctl eth0 up

ifup eth0

Which of the following can you use to configure firewall rules for IPv6 on a Linux system? Select one: a. fw --ipv6 b. ip6tables c. netfilter -6 d. fw6

ip6tables

Which of the following commands can be used to only show jobs that have been paused. Select one: a. jobs -r b. jobs -n c. jobs -p d. jobs -s

jobs -s

Which of the following commands can be used to only show jobs that have been paused. jobs -p jobs -s jobs -n jobs -r

jobs -s

Which of the following commands can you use to view events within the journald database? Select one: a. journal --display b. journald --list c. journalctl d. viewlogs --journald

journalctl

Which of the following log files contains information and error messages generated by the Linux kernel? Select one: a. wtmp b. secure c. dmesg d. kern.log

kern.log

Which of the following commands will send a process's resources to /dev/null to kill the process for process ID 1357? sigkill 1357 killall 1357 kill -15 1357 kill -9 1357

kill -9 1357

When connecting to a host via SSH for the first time, the user is prompted to accept the encryption fingerprint for the target computer which is stored in ___________ in the ~/.ssh/ directory.

known_hosts

Which of the following commands will list missing libraries as not found if a necessary library is not installed? Select one: a. ldso b. ldd c. ldchk d. ldconfig

ldd

Which of the following commands will show a number of environment variables that start with LC_? Select one: a. env b. localvar c. locale d. printenv

locale

Which of the following commands can be used to set the default printer for all users on a Linux system where printer1 is the name of the printer? Select one: a. lpoptions -d printer1 b. lp -d printer1 c. lpd -d printer1 d. lpq --set-default printer1

lpoptions -d printer1

Which of the following commands can you use to send a print job to printer1? (Choose all that apply.) Select one or more: a. lp -d printer1 mydocument.txt b. lp -p printer1 mydocument.txt c. lpr -d printer1 mydocument.txt d. lpr -P printer1 mydocument.txt

lpr -P printer1 mydocument.txt lp -d printer1 mydocument.txt

Which of the following commands will display the print jobs in the print queue for printer1 only? Select one: a. lpq -p printer1 b. lp -j printer1 c. lpstat -o printer1 d. lpq -d printer1

lpstat -o printer1

Which of the following commands can be used to see files that are currently being used by a specific process ID (PID)? Select one: a. psfiles b. pstatus c. lsof d. pids

lsof

Which of the following commands can be used to see files that are currently being used by a specific process ID (PID)? psfiles lsof pstatus pids

lsof

Which of the following commands can be used to display any email messages awaiting delivery alongside the reason that they were not delivered? Select one: a. mail -q b. mail --queue c. mailq d. mailqueue

mailq

What command looks for a Makefile and uses the information within it to compile the source code into binary programs using the appropriate compiler program for the local hardware architecture? Select one: a. make b. make install c. install d. configure

make

After compiling source code, which command still needs to be run in order to copy the newly compiled binaries into a directory listed in the PATH variable as well as copy supporting files (such as man pages) to the correct location on the filesystem? Select one: a. make clean b. make image c. make d. make install

make install

Which of the following commands will generate a new initramfs? Select one or more: a. dracut b. mkinit c. mkinitrd d. cutram

mkinitrd, dracut

What ftp command uploads the filename from the current directory on the local computer to the current directory on the remote computer and allows the use of wildcard metacharacters to specify the filename? Select one: a. upload filename b. put filename c. get filename d. mput filename

mput filename

Which of the following are valid statements in the /etc/resolv.conf file? (Choose two.) Select one or more: a. 10.1.15.60 server10 b. domain comptia.org c. nameserver 10.1.1.4 d. order hosts, bind

nameserver 10.1.1.4 domain comptia.org

Which of the following commands will show active UDP connections on a Linux system? (Choose all that apply.) Select one or more: a. netstat -t udp b. netstat -u c. netstat udp d. netstat --udp

netstat -u

After modifying the /etc/aliases file, what command must be run in order to rebuild the aliases database? Select one: a. newaliases b. sendmail c. mail d. alias

newaliases

On a system running NetworkManager, which of the following commands can be used to view or modify connection information? Select one: a. netctonf b. nmcli c. nm d. netman

nmcli

Which of the following can be used preceding a command to prevent a process from terminating when the parent process terminates? bg runat & nohup

nohup

Which of the following permissions should a standard user have on the /etc/shadow file? Select one: a. read b. read, write, and execute c. read and write d. none of the above

none of the above

What PostgreSQL command-line utility backs up PostgreSQL database settings? Select one: a. pg_backup b. pg_dumpall c. pg_dump d. pg_restore

pg_dump

Which of the following commands can be used to determine the round trip time that a packet takes to traverse a network connection? Select one: a. ethstat b. ping c. finger d. transit

ping

Which of the following commands will send 4 ICMP echo requests to a remote host named server1 to determine the round trip time it takes a packet to travel? Select one: a. ping -4 server1 b. ping -n 4 server1 c. ping server1 d. ping -c 4 server1

ping -c 4 server1

Which of the following commands can be used to terminate a process by the process name? kill pkill stop pskill

pkill

Which of the following commands will show a list of process names along with their process ID (PID)? (Choose two.) Select one or more: a. top b. jobs c. ps d. proc

ps top

Which of the following commands will show a list of process names along with their process ID (PID)? (Choose two.) ps proc top jobs

ps top

What command is used to display the lineage of a process by tracing its PPIDs until the init daemon? psbranch pstree psparent pshead

pstree

Which of the following characters, when pressed while the top program is running, will allow you to change the niceness of a process? Select one: a. d b. p c. r d. n

r

Which of the following characters, when pressed while the top program is running, will allow you to change the niceness of a process? n p r d

r

While the top command is running, what key can be pressed to change the nice value of a process? Select one: a. n b. v c. r d. p

r

While the top command is running, what key can be pressed to change the nice value of a process? n r p v

r

Which of the following commands will install an RPM package while ignoring any other packages that it may be dependent upon for proper operation? Select one: a. rpm -in package.rpm b. rpm -i --ignoredeps package.rpm c. rpm -ivh --nodeps package.rpm d. rpm -ivhn package.rpm

rpm -ivh --nodeps package.rpm

Which of the following commands will install a package using the Red Hat Package Manager, showing all information, while printing pound signs to show the progress of installation? Select one: a. rpm -iap packagename.rpm b. rpm -iah packagename.rpm c. rpm -ivh packagename.rpm d. rpm -ivp packagename.rpm

rpm -ivh packagename.rpm

Which of the following hashing algorithm commands reduces the chances of collisions due to the bit length of the message digest? Select one: a. md4sum b. sha256sum c. md5sum d. sha1sum

sha256sum

Which of the following commands will shut down a Linux system? (Choose all that apply.) Select one or more: a. telinit 0 b. poweroff c. runlevel 0 d. shutdown -h now

shutdown -h now poweroff telinit 0

Which of the following commands can be used to display socket information out to the terminal screen? Select one: a. woolsocks b. opensocks c. ss d. sstat

ss

Which of the following commands allows a standard user to execute a single command as root without actually switching to the root account? Select one: a. su b. sudo c. doas d. sudoer

sudo

Which of the following commands will display a list of Systemd units sorted by the time they took to load? Select one: a. systemd --listload b. systemctl --listload c. systemd-analyze blame d. systemctl-analyze --blame

systemd-analyze blame

Which of the following two commands can be used to add custom log file entries to the journald database? (Choose two.) Select one or more: a. systemd-make b. logger c. mklog d. systemd-cat e. logentry

systemd-cat logger

Which of the following options for the tar command will create an archive that is also gzipped while displaying all of the work in progress to the terminal screen? Select one: a. tar -cfza b. tar -ngac c. tar -czvf d. tar -nzaf

tar -czvf

If a system appears to be having issues with performance for read and write operations to a hard disk, which of the following is not a valid scheduling method that you could try to improve performance? Select one: a. noop b. cfq c. deadline d. testwr

testwr

When experiencing a network issue, you want to determine where the source of the problem is. Which of the three following commands can be used to determine whether there is an issue with a router in the normal route that the packets are attempting to take? Select one or more: a. mtr b. tracert c. traceroute d. tracepath

tracepath traceroute mtr

Which of the following commands can be used to trace an IPv6 route? (Choose two.) Select one or more: a. traceroute6 b. trace6 c. tracepath6 d. tracert6

tracepath6 traceroute6

Which of the following commands can be used for the command line version of a popular GUI-based program that is used to examine network traffic passing to and from a network interface? Select one: a. wshark b. nshark c. ushark d. tshark

tshark

Which of the following commands will prompt you to answer a series of questions to help determine which time zone file you should use? Select one: a. tzselect b. timezones c. zoneselect d. zones

tzselect

Which of the following commands can be used to force udev to reload new rules from the /etc/udev/rules directory? (Choose all that apply.) Select one or more: a. udevadm --reload b. udevadm control --reload c. udevadm control -R d. udevadm control -r

udevadm control -R udevadm control --reload

Which of the following commands can be used to delete a user account? Select one: a. deluser b. rmuser c. expireuser d. userdel

userdel

Which of the following commands can be used to set the number of days until user account jsmith with an expired password is disabled? Select one: a. usermod -f 15 jsmith b. usermod -e 15 jsmith c. usermod -x 15 jsmith d. usermod -d 15 jsmith

usermod -f 15 jsmith

Which of the following is the first field of the /etc/passwd file? Select one: a. username b. GID c. GECOS d. UID

username

Which of the following commands can be used to schedule very frequent recurring tasks, such as running once every minute? run watch do while

watch

Which of the following can be used at the command line to download a file using the HTTP protocol? (Choose two.) Select one or more: a. curl b. wwwretr c. wget d. GET

wget curl

Which of the following is a special group that provides its members with the ability to run the su and sudo commands? Select one: a. sys b. adm c. sudoers d. wheel

wheel

What command can be used to display the contents of a file that was compressed with the compress utility? Select one: a. cat b. acat c. ccat d. zcat

zcat

Which of the following states describe a process that is waiting for a parent process to release its PID? Select one: a. dead b. wait c. suspended d. zombie

zombie

Which of the following states describe a process that is waiting for a parent process to release its PID? wait suspended zombie dead

zombie

The SUSE and openSUSE Linux distributions use an alternative to yum but that provides the same functionality. What is the name of the command they use? Select one: a. zypper b. apt c. dnf d. rpm

zypper

If incompatible X Windows settings are configured, where will the errors that are generated be written to? Select one: a. /var/log/xwindows.error b. ~/.xerror c. ~/.xwin-error d. ~/.xsession-errors

~/.xsession-errors

Which of the following RPM options will update a software package to the newest version, or install the package if it does not already exist on a system? Select one: a. -U b. -F c. -i d. -u

-U

Which of the following options can be used with the usermod command to change the description of the user account that is stored in the GECOS field? Select one: a. -g b. -c c. -s d. -d

-c

What option can be used with the ps command to display an entire list of processes across all Terminals, including daemons? -a -f -e -l

-e

What option can be used with thepscommand to display an entire list of processes across all Terminals, including daemons? Select one: a. -e b. -f c. -a d. -l

-e

When using the compress command to archive a set of files into a single file, which of the following options will display the compression ratio of the individual files making up the new compressed file? Select one: a. -a b. -v c. -s d. -c

-v

Which of the following file extensions are used by the Debian Package Manager? Select one: a. .dpkg b. .d c. .dpm d. .deb

.deb

Which of the following is not a valid compression file extension for the Linux operating system? Select one: a. .bz2 b. .vz c. .xz d. .gz

.vz

Upon running the ifconfig command, the IP address is listed along with the subnet mask in dotted decimal notation listed as 255.255.255.224. You have installed a remote access software that has an address field that requires the address to be configured in CIDR notation. Which of the following is the equivalent CIDR notation for the subnet mask listed? Select one: a. /24 b. /28 c. /27 d. /23

/27

The System Log Daemon, rsyslogd, creates a socket for other system processes to write to. What is the path to this socket? Select one: a. /etc/rsyslog.socket b. /var/log.sock c. /tmp/log d. /dev/log

/dev/log

Which of the following is the full path and file name where the Debian Package Manager repositories can be configured? Select one: a. /etc/dpm/repositories.conf b. /etc/apt.source.conf c. /etc/apt/sources.list d. /etc/dpm.conf

/etc/apt/sources.list

A system administrator wants to allow most users to be able to run cron jobs, but wants to specifically prevent a couple of users from doing so. Which of the following files could the administrator edit to disallow these users from creating cron jobs? /etc/cron.deny /etc/cron.d/cron.deny /etc/cron.allow /etc/cron.d/cron.allow

/etc/cron.deny

A system administrator wants to allow most users to be able to run cron jobs, but wants to specifically prevent a couple of users from doing so. Which of the following files could the administrator edit to disallow these users from creating cron jobs? Select one: a. /etc/cron.allow b. /etc/cron.deny c. /etc/cron.d/cron.deny d. /etc/cron.d/cron.allow

/etc/cron.deny

In which directory would a system administrator store scripts that should be run monthly by the cron daemon? /var/cron/monthly /etc/crontab/monthly /var/crontab/monthly /etc/cron.monthly

/etc/cron.monthly

In which directory would a system administrator store scripts that should be run monthly by the cron daemon? Select one: a. /etc/crontab/monthly b. /var/cron/monthly c. /var/crontab/monthly d. /etc/cron.monthly

/etc/cron.monthly

Which of the following files does the hostnamectl command modify to set the hostname on a machine? Select one: a. /etc/hostname.conf b. /etc/host.conf c. /etc/hosts.conf d. /etc/hostname

/etc/hostname

On a system running SysV init, which of the following files can you edit to disable the ability to reboot by using the Ctrl+Alt+Delete key combination? Select one: a. /etc/cmd.conf b. /etc/init.conf c. /etc/keys.conf d. /etc/inittab

/etc/inittab

Which of the following files contains the list of shared libraries? Select one: a. /etc/ld.so.cache b. /lib/shared.conf c. /etc/ld.so.conf d. /lib/ld.so.conf

/etc/ld.so.cache

If someone tries to log into a system using a daemon account, but the daemon account does not have a valid shell assigned to it, they would normally see a standard warning. If you want to customize the error, which of the following files can you put a message in that will display upon an attempted login? Select one: a. /etc/banner.conf b. /etc/nologin.txt c. /etc/deny.login d. /etc/warning.txt

/etc/nologin.txt

You currently have a Linux system configured to check the /etc/hosts file before trying to contact a DNS server to resolve host names. You want to reverse the configuration so that it checks with a DNS server before falling back to the /etc/hosts file. Which of the following files should you modify to make this possible? Select one: a. /etc/resolv.conf b. /etc/nsswitch.conf c. /etc/named.conf d. /etc/hosts

/etc/nsswitch.conf

Which of the following files contain the path and filename where DNS servers should be configured? Select one: a. /etc/hosts b. /etc/resolv.conf c. /etc/named.conf d. /etc/nsswitch.conf

/etc/resolv.conf

In which file can you configure rules for logging on a Linux system? Select one: a. /etc/syslog.rules b. /etc/syslog.rules.conf c. /etc/syslogd.conf d. /etc/rsyslog.conf

/etc/rsyslog.conf

What is the complete path and filename of the file where ports and their associated protocols are defined?

/etc/services

Which of the following files contains the encrypted passwords for users on a modern Linux system by default? Select one: a. /etc/passwd b. /etc/shadow c. /etc/psh d. /etc/pwenc

/etc/shadow

In which of the following directories can you place files that will be copied to new user directories when new users are created? Select one: a. /usr/local/useradd b. /etc/skel c. /usr/local/template d. /etc/rc.d

/etc/skel

Where does the sudo command check to determine a user's privileges when they attempt to run the sudo command? Select one: a. /etc/sudoers b. /etc/rc.d/sudoers.conf c. /etc/sudo.conf d. /etc/su.conf

/etc/sudoers

What is the path to where the journald.conf file is located? Select one: a. /etc/systemd/journald.conf b. /etc/journald/journald.conf c. /etc/rsyslog/journald.conf d. /etc/rsyslogd/journald.conf

/etc/systemd/journald.conf

Which of the following files stores information about failed logins on a Linux system? Select one: a. /var/log/nolo b. /var/log/failed c. /var/log/wtmp d. /var/log/btmp

/var/log/btmp

What zone configuration file contains a PTR record used to identify the loopback adapter? Select one: a. /var/named/named.local b. /etc/named.loop c. /etc/named.conf d. /var/named/named.ca

/var/named/named.local

Where are scheduled commands stored on Ubuntu Linux systems? /var/spool/cron/atjobs /etc/at/ /tmp/at /var/spool/at

/var/spool/cron/atjobs

Where is the default document root directory for the Apache Web server? Select one: a. /usr/share/local/html b. /var/html c. /var/www/html d. /usr/local/html

/var/www/html

Which of the following is a valid APIPA address? Select one: a. 169.254.38.101 b. 192.168.1.17 c. 127.0.0.1 d. 10.11.12.13

169.254.38.101

Which of the following is the highest value that can be set for the nice value which would result in a greater chance of a lower priority? 20 19 10 0

19

Which of the following is the highest value that can be set for the nice value which would result in a greater chance of a lower priority? Select one: a. 20 b. 10 c. 0 d. 19

19

The output of the ifconfig shows a HWaddr expressed in hexadecimal. How many bits is the hardware address shown made up of? Select one: a. 128 b. 32 c. 8 d. 48

48

Which of the following ports would be used to resolve a domain name to an IP address? Select one: a. 23 b. 443 c. 53 d. 69

53

If no level of compression is specified, thegzipcommand assumes what compression level? Select one: a. 7 b. 6 c. 5 d. 4

6

Violet wants to configure an encrypted partition to mount when her workstation boots up. Which of the following should she do? Select one: a. Configure /etc/fstab to mount the partition. b. Configure /etc/crypttab to open the volume and then /etc/mtab to mount it. c. Configure /etc/crypttab to open the volume and then /etc/fstab to mount it. d. Configure /etc/crypttab to mount the partition.

Configure /etc/crypttab to open the volume and then /etc/fstab to mount it.

If a process state is currently showing as uninterruptible sleep, which letter will show in the output of the ps command? S U N D

D

In which of the following zones might a system administrator put the web server hosting the company's publicly accessible website? Select one: a. public b. DMZ c. trusted d. internal

DMZ

What kind of servers resolve fully qualified domain names to IP addresses for a certain namespace on the Internet? Select one: a. NTP b. DHCP c. DNS d. NIS

DNS

Which of the following SQL statements can be used to delete a table from a database? Select one: a. DROP FROM database TABLE table_name; b. ALTER DATABASE database DROP TABLE table_name; c. DROP TABLE table_name; d. DELETE TABLE table_name;

DROP TABLE table_name;

Which of the following does the -r option for the gpg command specify? Select one: a. Encrypt for the user id given. b. Remote key server to query. c. Retrieve keys for given key ID. d. Revoke keys from the key server.

Encrypt for the user id given.

Which of the following statements should be used at the end of a SQL statement where an aggregate function such as SUM or COUNT is used? Select one: a. JOIN b. GROUP BY c. HAVING d. ORDER BY

GROUP BY

When working with Sendmail, what command can be used to test SMTP support? Select one: a. HELO b. EHLO c. smtp d. telnet

HELO

Which of the following types of joins will return a record from two intersecting tables only if there is a match on the joining field from both tables? Select one: a. RIGHT JOIN b. INNER JOIN c. LEFT JOIN d. FULL OUTER JOIN

INNER JOIN

Which of the following is a valid SQL statement for adding a new row of data to a SQL database table? Select one: a. UPDATE users SET firstname = 'George', lastname = 'Washington'; b. INSERT ('George', 'Washington') INTO users (firstname, lastname); c. ALTER TABLE users SET firstname = 'George', lastname = 'Washington'; d. INSERT INTO users (firstname, lastname) values ('George', 'Washington');

INSERT INTO users (firstname, lastname) values ('George', 'Washington');

Which of the following packages should be installed in order to integrate certain authentication functions with Microsoft's Active Directory? Select one: a. Syslog b. Kerberos c. TFTP d. Telnet

Kerberos

What DNS resource record type is used to provide the IP address for the e-mail server for a zone? Select one: a. NS b. MX c. CNAME d. SOA

MX

Which of the following types of DNS records need to be configured to facilitate email delivery? Select one: a. PTR b. CNAME c. IMAP d. MX

MX

When logging into a system, you are prompted to type in a code from a small token that you carry around with you. The code on this token constantly changes. What type of technology has been implemented? Select one: a. CUPS b. Kerberos c. OTP d. Finger

OTP

Which of the following environment variables can you change the value of to set the default printer on a Linux system? (Choose two.) Select one or more: a. LPDEST b. PRINT c. PRINTER d. LPDEFAULT

PRINTER LPDEST

Which of the following are examples of multifactor authentication? Select one: a. Password and PIN b. Password and fingerprint reader c. Thumbprint reader and facial recognition d. A USB token and a Common Access Card

Password and fingerprint reader

Which kill signal terminates a process by taking the process information in memory and saving it to a file called core on the hard disk in the current working directory? SIGINT SIGKILL SIGQUIT SIGTERM

SIGQUIT

Which kill signal terminates a process by taking the process information in memory and saving it to a file called core on the hard disk in the current working directory? Select one: a. SIGQUIT b. SIGINT c. SIGKILL d. SIGTERM

SIGQUIT

Which of the following does Click Assist do? Select one: a. Simulates a left click by holding down the left shift key or a right click by holding down the right shift key. b. Simulates a right click by holding down the left mouse button. c. Simulates a right click by holding down the Ctrl key on the keyboard. d. Reads the text for buttons on the screen so the user knows what they may be clicking on.

Simulates a right click by holding down the left mouse button.

Which of the following accessibility features simulates simultaneous key presses when two keys are pressed in sequence? Select one: a. Slow Keys b. Repeat Keys c. Sticky Keys d. Bounce Keys

Sticky Keys

Which of the following can you use to start network daemons in order to limit which computers are allowed to connect to the network service? Select one: a. ufw b. netfilter c. iptables d. TCP Wrapper

TCP Wrapper

What is the most commonly used LAN protocol? Select one: a. IPX/SPX b. DLC c. UDP/IP d. TCP/IP

TCP/IP

You have set up a TFTP server to support PXE booting of several workstations. Which of the following protocols would this setup make use of? Select one: a. TCP b. ICMP c. IGMP d. UDP

UDP

When looking at the password-auth file on a Fedora system, you notice part of the syntax that says dcredit=3. What is the significance of this part of the configuration? Select one: a. There must be at least 3 characters that are different from their previous password. b. Users cannot re-use their last 3 passwords. c. The minimum password length has to be at least 3 characters long. d. Users must use at least 3 characters as numbers in their passwords.

Users must use at least 3 characters as numbers in their passwords.

Which of the following can be used to graphically remotely administer a Linux machine? Select one: a. VNC b. Telnet c. RDP d. FTP

VNC

Which of the following types of technologies will create a tunneled encrypted connection from a remote location into a corporate network to be able to access resources as if the user was physically connected to the LAN? Select one: a. VLAN b. VPN c. NTP d. ADSL

VPN

What is contained in the DISPLAY variable on a Linux system running the X window system? Select one: a. Which X server the client is supposed to connect to by default. b. How many monitors are connected to a Linux system. c. The display manager that should be used. d. The resolution of the monitor connected to the Linux system.

Which X server the client is supposed to connect to by default.

Which of the following is a tool that can be used to search Internet software repositories for RPM packages that map to your system's architecture, and automatically install or upgrade those packages on your system? Select one: a. YUM b. APT c. wget d. tar

YUM

Which of the following package managers are used to install RPM packages on the SUSE or openSUSE distributions by default? Select one: a. DPM b. APT c. Zypper d. DNF

Zypper

Which type of CM software can connect to inventory members via SSH to perform configuration management activities? Select one: a. Agent-based b. Kickstart c. BLOB d. agentless

agentless

Which of the following commands can you use to search available repository information? (Choose two.) Select one or more: a. apt-query b. apt-cache c. apt query d. apt

apt apt-cache

Which of the following commands can be used to install the latest versions of all packages currently installed on the system from the sources configured in sources.list? Select one: a. apt update b. apt upgrade c. apt upgrade all d. apt-upgrade

apt upgrade

Which of the following Debian Package Management commands will install the newest versions of all packages that are currently installed on a system? Select one: a. apt-get upgrade b. apt-get update c. apt-get upgrade all d. apt-get update-all

apt-get upgrade

A system administrator wants to schedule a task to run at 11 pm, but knows that she will not be in the office at that time. Which of the following commands can she use to schedule this task to run that night while she is at home? exec run at atq

at

Which of the following commands will display a list of the pending jobs to be run? (Choose all that apply.) at -l atq at -q at -d

at -l atq at -q

Which of the following commands will display a list of the pending jobs to be run? (Choose all that apply.) Select one or more: a. at -q b. atq c. at -d d. at -l

at -l atq at -q

Which of the following command can be used to remove a job from the list of pending jobs? (Choose all that apply.) at --remove atrm at -r at -d

atrm at -r at -d

Which of the following entries could be added to the rsyslog.conf configuration file to have all syslog messages displayed to console 10? Select one: a. rsyslog tty10 b. *.* /dev/tty10 c. /var/log/* tty10 d. all /dev/tty10

b. *.* /dev/tty10

If a Linux system is running as a virtual machine, it may be using a bridge for the virtual network adapter within the virtual machine to the physical network adapter. Which of the following commands can be used to view or modify the bridge configuration used by the Linux kernel for your network adapter? Select one: a. brstat b. ip bridge c. netbr d. brctl

brctl

What option can be added to the dpkg command to remove a specified package from the system, including any configuration files used by the package? Select one: a. -r b. -D c. -P d. -d

-P

What FTP command runs a shell on the local computer? Select one: a. ! b. * c. ~ d. #

!

Which of the following options for the gpg command will specify the key that should be retrieved? Select one: a. --request b. --recv-keys c. --get-key d. --get

--recv-keys

Which of the following options for the iptables command will delete all rules for all chains? Select one: a. -R b. -D c. -F d. -C

-F