102-500 Questions Prepare with Learning Information! 2024 Regularly updated [Q19-Q43] : Exam for engine : http://blog.test4engine.com

Q19. What command can be used to generate syslog entries of any facility and priority? (supply just the command name without a path)

Q20. What is the top-level directory which contains the configuration files for CUPS? (Specify the full path to the directory.)

Q21. What information is provided by the echo $$ command?

The process ID of the current shell.

The process ID for the following command.

The process ID of the last command executed.

The process ID of the last command which has been placed in the background.

The process ID of the echo command.

Q22. Which of the following parameters are used for journalctl to limit the time frame of the output? (Choose two.)

–since=

–from=

–until=

–upto=

–date=

Q23. Suppose that the command netstat -a hangs for a long time without producing output. You might suspect:

A problem with NFS.

A problem with DNS.

A problem with NIS.

A problem with routing.

That the netstat daemon has crashed.

Q24. What output does the command seq 1 5 20 produce?

Q25. What is true about the file /etc/localtime?

It is a plain text file containing a string such as Europe/Berlin

It is created and maintained by the NTP service based on the location of the system’s IP address.

It is a symlink to /sys/device/clock/ltime and always contains the current local time.

After changing this file, newtzconfig has to be run to make the changes effective.

It is either a symlink to or a copy of a timezone information file such as /usr/share/zoneinfo/ Europe/Berlin.

Q26. When generating new authentication keys with SSH for a user, where should the private key be kept?

On any trusted system from which the user will login.

On a CD-ROM or USB stick.

Printed and kept in a secure place.

Only on the computer where the key was created.

SSH does not use private keys.

Q27. Which directory in /etc is used to keep a sample copy of files and directories for when a new user has a home directory created? (Please provide the full path)

Q28. FILL BLANK
Which option in the /etc/ntp.conf file specifies an external NTP source to be queried for time information?
(Specify only the option without any values or parameters.)

Q29. Which of the following programs can be used to determine the routing path to a given destination?

dig

netstat

ping

route

traceroute

Q30. FILL BLANK
Which command must be run after adding a new email alias to the configuration in order to make this change effective? (Specify the command without any path but including all required parameters.)

Q31. Which directory in a user’s home contains configuration files and key rings for GPG?

~/gpg.d/

~/.gpg/

~/.gnupg/

~/gnupg/

~/.gpg.d/

Q32. Which of the following fields are available in both the global /etc/crontab file as well as in user-specific crontab files? (Select TWO correct answers)

Year

Minute

Username

Command

Q33. For accessibility assistance, which of the following programs is an on-screen keyboard?

xkb

atkb

GOK

xOSK

Q34. Which of the following PPP authentication protocols never sends a password in the clear?

PAM

PAP

PGP

CHAP

Q35. What word is missing from the following SQL statement?
__________ count(*) from tablename;
(Please specify the missing word using lower-case letters only.)

Q36. Which file contains the data of the last change of a user’s password?

/etc/gshadow

/etc/passwd

/etc/pwdlog

/var/log/shadow

/etc/shadow

Q37. On a system using systemd-journald, which of the following commands add the message Howdy to the system log? (Choose two.)

append Howdy

logger Howdy

systemd-cat echo Howdy

echo Howdy > /dev/journal

journalctl add Howdy

Q38. Which of the following keywords can be used in the file /etc/resolv.conf? (Choose TWO correct answers.)

substitute

nameserver

lookup

method

Q39. Which of the following comparison operators for test work on elements in the file system?
(Choose two.)

-z

-eq

-d

-f

-it

Q40. On a regular users workstation the route command takes a long time before printing out the routing table.
Which of the following errors does that indicate?

The local routing information may be corrupted and must be re-validated using a routing protocol.

One of the routers in the routing table is not available which causes the automatic router failure detection mechanism (ARF-D) to wait for a timeout.

There may accidentally be more than one default router in which case a default router election has to be done on the network in order to choose one router as the default.

DNS resolution may not be working as route by default tries to resolve names of routers and destinations and may run into a timeout.

Q41. Which of the following are syslog facilities? (Choose two.)

local5

accounting

mail

postmaster

remote

Q42. Which of the following commands can be used to convert text files in one character encoding to another character encoding?

cat

convert

iconv

utf2utf

Q43. Which of the following commands displays all environment and shell variables?
getargs

lsenv

env

lsshell