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NEW QUESTION 97
Which file lists which users can execute commands using sudo? (Specify the full name of the file, including path.)
Answer:
Explanation:
/etc/sudoers
NEW QUESTION 98
Which command, available with all MTAs, is used to list the contents of the MTA's mail queue? (Specify ONLY the command without any path or parameters.)
Answer:
Explanation:
mailq, /usr/bin/mailq, sendmail -bp, /usr/sbin/sendmail -bp, /usr/lib/sendmail -bp, sendmail, /usr/sbin/sendmail, /usr/lib/sendmail
NEW QUESTION 99
Given the following user's crontab entry:
15 14 * * 1-5 /usr/local/bin/example.sh
When will the script /usr/local/bin/example.sh be executed?
- A. At 14:15 local time, 1st to 5th day of month.
- B. At 14:15 local time, January till May.
- C. At 14:15 local time, February till June.
- D. At 15:14 local time, 1st to 5th day of month.
- E. At 14:15 local time, Monday to Friday
Answer: E
NEW QUESTION 100
Which character in the password field of /etc/passwd is used to indicate that the encrypted password is stored in /etc/shadow?
- A. x
- B. #
- C. -
- D. s
- E. *
Answer: A
NEW QUESTION 101
Given the following routing table:
How would an outgoing packet to the destination 192.168.2.150 be handled?
- A. It would be directly transmitted on the device wlan0.
- B. It would be passed to the router 192.168.1.1 on eth0.
- C. It would be directly transmitted on the device eth0.
- D. It would be passed to the default router 192.168.178.1 on wlan0.
- E. It would be passed to the default router 255.255.255.0 on eth0.
Answer: B
NEW QUESTION 102
What output will the following command produce?
seq 1 5 20
- A. 2
3
4
5 - B. 1
2
3
4 - C. 5
10
15
20 - D. 1
6
1
1
1
6 - E. 1
5
10
15
Answer: D
NEW QUESTION 103
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 --update ls ls='ls -l'
- B. set ls='ls -l'
- C. alias ls='ls -l'
- D. alias --force ls='ls -l'
- E. realias ls='ls -l'
Answer: C
NEW QUESTION 104
On a system running the KDE Display Manager, when is the /etc/kde4/kdm/Xreset script automatically executed?
- A. When X crashes
- B. When KDM starts
- C. When a user's X session exits
- D. When KDM crashes
- E. When X is restarted
Answer: C
NEW QUESTION 105
Which of the following protocols is related to the term open relay?
- A. SMTP
- B. NTP
- C. LDAP
- D. POP3
- E. IMAP
Answer: A
NEW QUESTION 106
Which command included in NetworkManager is a curses application which provides easy acces to the NetworkManager on the command line? (Specify only the command without any path or parameters.)
Answer:
Explanation:
nmtui
NEW QUESTION 107
Which of the following parameters are used for journalctl to limit the time frame of the output? (Choose two.)
- A. --upto=
- B. --date=
- C. --from=
- D. --until=
- E. --since=
Answer: D,E
NEW QUESTION 108
What is true about the file /etc/localtime?
- A. It is a symlink to /sys/device/clock/ltime and always contains the current local time.
- B. After changing this file, newtzconfig has to be run to make the changes effective.
- C. It is either a symlink to or a copy of a timezone information file such as
/usr/share/zoneinfo/Europe/Berlin. - D. It is created and maintained by the NTP service based on the location of the system's IP address.
- E. It is a plain text file containing a string such as Europe/Berlin
Answer: C
NEW QUESTION 109
What information related to a user account is modified using the chage command?
- A. Default permissions for new files
- B. Default ownership for new files
- C. Set of commands available to the user
- D. Password expiry information
- E. Group membership
Answer: D
NEW QUESTION 110
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 111
FILL BLANK
Which command is used to set the hostname of the local system? (Specify only the command without any path or parameters.)
Answer:
Explanation:
hostname
NEW QUESTION 112
FILL BLANK
Which command included in NetworkManager is a curses application which provides easy acces to the NetworkManager on the command line? (Specify only the command without any path or parameters.)
Answer:
Explanation:
nmtui
NEW QUESTION 113
Which keyword must be listed in the hosts option of the Name Service Switch configuration file in order to make host lookups consult the /etc/hosts file?
Answer:
Explanation:
files
NEW QUESTION 114
What is true regarding public and private SSH keys? (Choose two.)
- A. To maintain the private key's confidentiality, the SSH key pair must be created by its owner.
- B. The private key must never be revealed to anyone.
- C. For each user account, there is exactly one key pair that can be used to log into that account.
- D. To allow remote logins, the user's private key must be copied to the remote server.
- E. Several different public keys may be generated for the same private key.
Answer: A,B
Explanation:
Explanation/Reference:
NEW QUESTION 115
In case neither cron.allow nor cron.deny exist in /etc/, which of the following is true?
- A. The cron daemon will refuse to start and report missing files in the system's logfile.
- B. Without additional configuration, no users may have user specific crontabs.
- C. Without additional configuration, all users may have user specific crontabs.
- D. When a user creates a user specific crontab the system administrator must approve it explicitly.
Answer: B
NEW QUESTION 116
Which of the following keywords can be used in the file /etc/resolv.conf? (Choose TWO correct answers.)
- A. method
- B. nameserver
- C. search
- D. lookup
- E. substitute
Answer: B,C
NEW QUESTION 117
Which command can be used to investigate the properties for a particular window in X by clicking that window? (Specify ONLY the command without any path or parameters.)
Answer:
Explanation:
/usr/bin/xwininfo, xwininfo
NEW QUESTION 118
What command displays all aliases defined in the current shell? (Specify the command without any path information)
Answer:
Explanation:
alias, alias -p
NEW QUESTION 119
......
Topic 6: Security
- Setup host security – The individuals should be able to set up a basic level of host security;
- Perform tasks connected to security administration – You should have some knowledge of how to review system configuration to make sure that host security is in line with the right local security policies;
- Secure data with encryption – The test takers should know how to secure communication and data by using public key techniques.
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