2022 Best 102-500 Exam Preparation Material with New Dumps Questions
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NEW QUESTION 108
On a machine running several X servers, how do programs identify the different instances of the X11 server?
- A. By a unique IPv6 address from the fe80::/64subnet.
- B. By a device name like /dev/X11/xservers/1.
- C. By a fixed UUID that is defined in the X11 configuration file.
- D. By a display name like: 1.
- E. By the name of the user that runs the X server like x11:bob.
Answer: D
Explanation:
Explanation
NEW QUESTION 109
What output does the command seq 10 produce?
- A. The numbers 1 through 10 with one number per line.
- B. It creates no output because a second parameter is missing.
- C. The number 10 to standard output.
- D. A continuous stream of numbers increasing in increments of 10 until the command is stopped.
- E. The number 0 through 9 with one number per line.
Answer: A
NEW QUESTION 110
If an alias ls exists, which of the following commands updates the alias to point to the command ls -l instead of the alias's current target?
- A. alias ls='ls -l'
- B. set ls='ls -l'
- C. alias --force ls='ls -l'
- D. realias ls='ls -l'
- E. alias --update ls ls='ls -l'
Answer: A
NEW QUESTION 111
Which file contains the data of the last change of a user's password?
- A. /etc/gshadow
- B. /etc/passwd
- C. /etc/pwdlog
- D. /etc/shadow
- E. /var/log/shadow
Answer: D
NEW QUESTION 112
What output is produced by the following command sequence?
echo '1 2 3 4 5 6' | while read a b c; do
echo result $c $b $a;
done
- A. result: 6 5 4 3 2 1
- B. result: 3 4 5 6 2 1
- C. result: 3 2 1
- D. result: 1 2 3 4 5 6
- E. result: 6 5 4
Answer: B
Explanation:
Explanation/Reference:
NEW QUESTION 113
Which of the following changes may occur as a consequence of using the command ip? (Choose three.)
- A. IP addresses may change.
- B. The system's host name may change.
- C. The routing table may change.
- D. Network interfaces may become active or inactive.
- E. New name servers may be added to the resolver configuration.
Answer: A,C,D
NEW QUESTION 114
Which of the commands below might have produced the following output?
- A. dig -t soa www.example.org
- B. dig -t a www.example.org
- C. dig www.example.org
- D. dig -t mx www.example.org
- E. dig -t ns www.example.org
Answer: C
NEW QUESTION 115
Which of the following commands configure network interfaces based on the system's existing distributionspecific configuration files? (Choose two.)
- A. ifconf
- B. ifstart
- C. ifdown
- D. ifpause
- E. ifup
Answer: C,E
NEW QUESTION 116
In case neither cron.allow nor cron.deny exist in /etc/, which of the following is true?
- A. Without additional configuration, all users may have user specific crontabs.
- B. When a user creates a user specific crontab the system administrator must approve it explicitly.
- C. The cron daemon will refuse to start and report missing files in the system's logfile.
- D. Without additional configuration, no users may have user specific crontabs.
Answer: D
NEW QUESTION 117
Which of the following statements about systemd-journald are true? (Choose three.)
- A. It is incompatible with syslog and cannot be installed on a system using regular syslog.
- B. It can pass log messages to syslog for further processing.
- C. It supports syslog facilities such as kern, user, and auth.
- D. It maintains metadata such as _UID or _PID for each message.
- E. It only processes messages of systemd and not messages of any other tools.
Answer: B,C,D
NEW QUESTION 118
Which of the following features are provided by SPICE? (Choose two.)
- A. Replacing Xorg as local X11 server.
- B. Connecting local USB devices to remote applications.
- C. Downloading and locally installing applications from a remote machine.
- D. Accessing graphical applications on a remote host.
- E. Uploading and running a binary program on a remote machine.
Answer: B,C
NEW QUESTION 119
FILL BLANK
Which parameter is missing in the command
ip link set ____ dev eth0
to activate the previously inactive network interface eth0? (Specify the parameter only without any command, path or additional options.)
Answer:
Explanation:
up
NEW QUESTION 120
Which of the following statements is true if the UID of a regular user is identical to the GID of a group?
- A. The user as well as the group are not available to avoid ambiguity due to the ID conflict.
- B. The user is the only member of the group, even if the group configuration contains other members.
- C. UID have precedence over GIDs, therefore the user is available while the group doesn't.
- D. UIDs and GIDs are independent of each other, therefore the user as well as the group are still available.
- E. GIDs have precedence over UIDs, therefore the group is available while the user isn't.
Answer: D
NEW QUESTION 121
How can the existing environment variable FOOBAR be suppressed for the execution of the script./myscript only?
- A. unset -v FOOBAR;./myscript
- B. env -i FOOBAR./myscript
- C. set -a FOOBAR="";./myscript
- D. env -u FOOBAR./myscript
Answer: D
NEW QUESTION 122
Which of the following comparison operators for test work on elements in the file system? (Choose two.)
- A. -lt
- B. -eq
- C. -z
- D. -f
- E. -d
Answer: D,E
NEW QUESTION 123
Which of the following are syslog facilities? (Choose two.)
- A. mail
- B. accounting
- C. postmaster
- D. remote
- E. local5
Answer: A,E
NEW QUESTION 124
What is true about the file /etc/localtime?
- A. It is created and maintained by the NTP service based on the location of the system's IP address.
- B. It is a symlink to /sys/device/clock/ltime and always contains the current local time.
- C. It is either a symlink to or a copy of a timezone information file such as /usr/share/zoneinfo/ Europe/Berlin.
- D. After changing this file, newtzconfig has to be run to make the changes effective.
- E. It is a plain text file containing a string such as Europe/Berlin
Answer: C
NEW QUESTION 125
If neither cron.allow nor cron.deny exist in /etc/, which of the following is true?
- A. Without additional configuration, only root may create user specific crontabs.
- B. Without additional configuration, all users may create user specific crontabs.
- C. When a user creates a user specific crontab the system administrator must approve it explicitly.
- D. The cron daemon will refuse to start and report missing files in the system's logfile.
- E. The default settings of /etc/crond.conf define whether or not user specific crontabs are generally allowed or not.
Answer: E
NEW QUESTION 126
By default, the contents of which directory will be copied to a new user's home directory when the account is created by passing the -m option to the useradd command? (Specify the full path to the directory.)
Answer:
Explanation:
/etc/skel
NEW QUESTION 127
FILL BLANK
Which command included in systemd supports selecting messages from the systemd journal by criteria such as time or unit name? (Specify only the command without any path or parameters.)
Answer:
Explanation:
journalctl
NEW QUESTION 128
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