Best Preparations of 102-500 Exam 2021 LPIC Level1 Unlimited 195 Questions
Focus on 102-500 All-in-One Exam Guide For Quick Preparation.
LPIC-1 Linux Administrator, 102-500 Certified Professional salary
The average salary of an LPIC-1 Linux Administrator in
- United State - 55,123 USD
- Europe - 42,347 EURO
- England - 40,432 POUND
- India - 10,42,327 INR
NEW QUESTION 32
What is true about the file /etc/localtime?
- A. It is either a symlink to or a copy of a timezone information file such as
/usr/share/zoneinfo/Europe/Berlin. - B. It is a plain text file containing a string such as Europe/Berlin
- C. It is a symlink to /sys/device/clock/ltime and always contains the current local time.
- D. After changing this file, newtzconfig has to be run to make the changes effective.
- E. It is created and maintained by the NTP service based on the location of the system's IP address.
Answer: A
NEW QUESTION 33
What is true about the Hop Limit field in the IPv6 header?
- A. For multicast packages, the field's value is always 1.
- B. Each router forwarding the packet decreases the field's value.
- C. The field is not changed during the transport of a package.
- D. Each router forwarding the packet increases the field's value.
- E. The field is transmitted within a hop-by-hop extension header.
Answer: B
NEW QUESTION 34
An administrator wants to determine the geometry of a particular window in X, so she issues the __________
-metric command and then clicks on the window.
Answer:
Explanation:
/usr/bin/xwininfo, xwininfo
NEW QUESTION 35
How can a specific user be prevented from scheduling tasks with at?
- A. By adding the specific user to the /etc/at.deny file.
- B. By adding the specific user to the [deny] section in the /etc/atd.conf file.
- C. By adding the specific user to the /etc/at.allow file.
- D. By executing the atd --deny [user] command.
- E. By adding the specific user to the nojobs group.
Answer: A
NEW QUESTION 36
What is true about the following command?
nmcli device wifi connect WIFIoI
- A. NetworkManager returns an error because WIFIoI is an invalid wifi device.
- B. NetworkManager creates a new wifi connection WIFIoI and activates it.
- C. NetworkManager opens a new public hotspot with the SSID WIFIoI.
- D. NetworkManager returns an error in case the connection WIFIoI does not exist.
- E. NetworkManager creates an unconfigured new virtual network interface named WIFIoI.
Answer: B
NEW QUESTION 37
Which of the following commands displays all environment and shell variables?
- A. lsshell
- B. lsenv
- C. getargs
- D. env
- E. ls
Answer: D
NEW QUESTION 38
To prevent a specific user from scheduling tasks with at, what should the administrator do?
- A. Run the following: atd --deny [user].
- B. Add the specific user to /etc/at.deny file.
- C. Add the specific user to [deny] section in the /etc/atd.conf file.
- D. Add the specific user to nojobs group.
- E. Add the specific user to /etc/at.allow file.
Answer: B
NEW QUESTION 39
Which of the following comparison operators for testwork on elements in the file system? (Choose two.)
- A. -lt
- B. -z
- C. -eq
- D. -
- E. -f
Answer: D,E
NEW QUESTION 40
FILL BLANK
When using X11 forwarding in SSH, what environment variable is automatically set in the remote shell in order to help applications to connect to the correct X11 server? (Specify only the environment variable without any additional commands or values.)
Answer:
Explanation:
DISPLAY
NEW QUESTION 41
Which of the following keywords can be used in the file /etc/resolv/conf? (Choose two.)
- A. substitute
- B. lookup
- C. method
- D. nameserver
- E. search
Answer: D,E
NEW QUESTION 42
What output will the following command produce?
seq 1 5 20
- A. 5
10
15
20 - B. 1
5
10
15 - C. 1
2
3
4 - D. 2
3
4
5 - E. 1
6
1
1
1
6
Answer: E
NEW QUESTION 43
Which of the following tools used for DNS debugging, reports not only the response from the name server but also details about the query?
- A. dig
- B. dnslookup
- C. zoneinfo
- D. hostname
- E. dnsq
Answer: A
NEW QUESTION 44
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 eth0.
- B. It would be passed to the default router 192.168.178.1 on wlan0.
- C. It would be passed to the default router 255.255.255.0 on eth0.
- D. It would be passed to the router 192.168.1.1 on eth0.
- E. It would be directly transmitted on the device wlan0.
Answer: D
NEW QUESTION 45
The presence of what file will temporarily prevent all users except root from logging into the system? (Specify the full name of the file, including path.)
Answer:
Explanation:
/etc/nologin
NEW QUESTION 46
Given the following excerpt of the sudoconfiguration:
jane ANY=NOPASSWD: /bin/kill, /bin/id, PASSWD: /sbin/fdisk
Which of the following statements are true? (Choose three.)
- A. Jane can run /bin/killwithout specifying a password.
- B. Jane can run /bin/idwithout specifying her password.
- C. Jane can run /bin/idonly after specifying her password.
- D. Jane can run /sbin/fdisk after specifying root's password.
- E. Jane can run /sbin/fdiskafter specifying her password.
Answer: A,B,E
NEW QUESTION 47
With X11 forwarding in ssh, what environment variable is automatically set in the remote host shell that is not set when X11 forwarding is not enabled? (Specify only the environment variable without any additional commands or values.)
Answer:
Explanation:
DISPLAY, $DISPLAY
NEW QUESTION 48
What information related to a user account is modified using the chage command?
- A. Default ownership for new files
- B. Group membership
- C. Default permissions for new files
- D. Password expiry information
- E. Set of commands available to the user
Answer: D
NEW QUESTION 49
What information is shown by the echo $? command?
- A. The exit value of the command executed immediately before echo.
- B. The process ID of the current shell.
- C. The process ID of the echo command.
- D. The exit value of the echo command.
- E. The process ID which will be used for the next command.
Answer: A
NEW QUESTION 50
X is running okay but you're concerned that you may not have the right color depth set. What single command will show you the running color depth while in X?
- A. xwininfo
- B. xcdepth
- C. xcolordepth
- D. xcd
- E. cat /etc/X11
Answer: A
NEW QUESTION 51
Which of the following may occur as a consequence of using the command ifconfig? (Choose THREE correct answers.)
- A. The routing table may change.
- B. New name servers may be added to the resolver configuration.
- C. The system's host name may change.
- D. Network interfaces may become active or inactive.
- E. IP addresses may change.
Answer: A,D,E
NEW QUESTION 52
Which of the following is true about IPv6?
- A. IPv6 no longer supports multicast addresses.
- B. IPv6 no longer supports broadcast addresses.
- C. IPv4 addresses can be used without any change with IPv6.
- D. With IPv6, the TCP port numbers of most services have changed.
- E. For IPv6, UDP and TCP have been replaced by the Rapid Transmission Protocol RTP.
Answer: B
NEW QUESTION 53
What output will the command seq 10 produce?
- A. The numbers 1 through 10 with one number per line.
- B. The numbers 0 through 9 with one number per line.
- C. A continuous stream of numbers increasing in increments of 10 until stopped.
- D. The number 10 to standard output.
Answer: A
NEW QUESTION 54
When trying to unmount a device it is reported as being busy. Which of the following commands could be used to determine which process is causing this?
- A. strace
- B. nessus
- C. traceroute
- D. lsof
- E. debug
Answer: D
NEW QUESTION 55
What command displays all aliases defined in the current shell? (Specify the command without any path information)
Answer:
Explanation:
alias, alias -p
NEW QUESTION 56
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