LFCS Actual Questions Answers PDF 100% Cover Real Exam Questions
LFCS Exam questions and answers
Linux Foundation LFCS Exam Syllabus Topics:
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The LFCS certification exam is an industry-recognized credential that demonstrates a candidate's proficiency in managing system resources, configuring networking, and securing Linux-based systems. It is an excellent way for IT professionals to showcase their expertise and stand out in a competitive job market.
How much LFCS Exam cost
The price of the FCS exam is $300
NEW QUESTION # 136
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?
- A. 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.
- B. The local routing information may be corrupted and must be re-validated using a routing protocol.
- C. 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.
- D. DNS resolution may not be working as route by default tries to resolve names of routers and destinations and may run into a timeout.
Answer: D
NEW QUESTION # 137
Which of the following commands determines the type of a file by using a definition database file which contains information about all common file types?
- A. file
- B. pmagic
- C. type
- D. magic
- E. hash
Answer: A
NEW QUESTION # 138
Which of the following IPv4 networks are reserved by IANA for private address assignment and private routing? (Choose THREE correct answers.)
- A. 127.0.0.0/8
- B. 172.16.0.0/12
- C. 192.168.0.0/16
- D. 10.0.0.0/8
- E. 169.255.0.0/16
Answer: B,C,D
NEW QUESTION # 139
Which of the following commands set the sticky bit for the directory /tmp? (Choose TWO correct answers.)
- A. chmod 4775 /tmp
- B. chmod +s /tmp
- C. chmod +t /tmp
- D. chmod 2775 /tmp
- E. chmod 1775 /tmp
Answer: C,E
Explanation:
Explanation/Reference:
NEW QUESTION # 140
Which of the following statements is correct regarding the command foo 1> bar?
- A. The command foo receives its stdin from the stdout of the command bar.
- B. The stdout from the command foo is appended to the file bar.
- C. The stderr from the command foo is saved to the file bar.
- D. The command foo receives its stdin from the file bar.
- E. The stdout from the command foo overwrites the file bar.
Answer: E
NEW QUESTION # 141
Which of the following commands will create an archive file, named backup.tar, containing all the files from the directory /home?
- A. tar /home backup.tar
- B. tar -xf /home backup.tar
- C. tar -xf backup.tar /home
- D. tar -cf backup.tar /home
- E. tar -cf /home backup.tar
Answer: D
NEW QUESTION # 142
Given the following routing table:
How would an outgoing packet to the destination 192.168.2.150 be handled?
- A. It would be passed to the default router 192.168.178.1 on wlan0.
- B. It would be directly transmitted on the device wlan0.
- C. It would be directly transmitted on the device eth0.
- D. It would be passed to the default router 255.255.255.0 on eth0.
- E. It would be passed to the router 192.168.1.1 on eth0.
Answer: E
NEW QUESTION # 143
What is the purpose of the nsswitch.conf file?
- A. It is used to configure which network services will be turned on during the next system boot.
- B. It is used to configure network protocol port numbers such as for HTTP or SMTP.
- C. It is used to configure where the C library looks for system information such as host names and user passwords.
- D. It is used to configure LDAP authentication services for the local system.
Answer: C
NEW QUESTION # 144
Regarding the command:
nice -5 /usr/bin/prog
Which of the following statements is correct?
- A. /usr/bin/prog is executed with a priority of -5.
- B. /usr/bin/prog is executed with a nice level of -5.
- C. /usr/bin/prog is executed with a priority of 5.
- D. /usr/bin/prog is executed with a nice level of 5.
Answer: D
Explanation:
Explanation
NEW QUESTION # 145
Which grep command will print only the lines that do not end with a / in the file foo?
- A. grep -v '/#' foo
- B. grep -v '/$' foo
- C. grep '/#' foo
- D. grep '/$' foo
Answer: B
NEW QUESTION # 146
Which of the following commands shows the current color depth of the X Server?
- A. cat /etc/X11
- B. xcdepth
- C. xwininfo
- D. xcolordepth
- E. xcd
Answer: C
NEW QUESTION # 147
SIMULATION
Which file specifies the user accounts that can NOT submit jobs via at or batch? (Provide the full path and filename)
Answer:
Explanation:
/etc/at.deny
NEW QUESTION # 148
Which of the following pieces of information of an existing file is changed when a hard link pointing to that file is created?
- A. Modify timestamp
- B. Permissions
- C. File size
- D. Inode number
- E. Link count
Answer: E
NEW QUESTION # 149
Which of the following is a valid IPv6 address?
- A. 2001::db8:4581::1
- B. 2001:db8:0g41::1
- C. 2001%db8%9990%%1
- D. 2001.db8.819f..1
- E. 2001:db8:3241::1
Answer: E
NEW QUESTION # 150
Which of the following environment variables overrides or extends the list of directories holding shared libraries?
- A. LD_LIBRARY_PATH
- B. LD_LOAD_PATH
- C. LD_LIB_PATH
- D. LD_SHARE_PATH
- E. LD_RUN_PATH
Answer: A
Explanation:
Explanation
NEW QUESTION # 151
What is the output of the following command?
for token in a b c; do
echo -n ${token};
done
- A. abc
- B. a b c
- C. $token$token$token
- D. {a}{b}{c}
- E. anbncn
Answer: A
NEW QUESTION # 152
Which of the following commands should be added to /etc/bash_profile in order to change the language of messages for an internationalized program to Portuguese (pt)?
- A. export ALL_MESSAGES="pt"
- B. export MESSAGE="pt"
- C. export LC_MESSAGES="pt"
- D. export UI_MESSAGES="pt"
- E. export LANGUAGE="pt"
Answer: C
NEW QUESTION # 153
Which of the following environment variables overrides or extends the list of directories holding shared libraries?
- A. LD_LIBRARY_PATH
- B. LD_LOAD_PATH
- C. LD_LIB_PATH
- D. LD_SHARE_PATH
- E. LD_RUN_PATH
Answer: A
NEW QUESTION # 154
CORRECT TEXT
Which world-writable directory should be placed on a separate partition inorder to prevent users from being able to fill up the / filesystem? (Specify the full path to the directory.)
Answer:
Explanation:
/tmp, tmp, /var/tmp, /tmp/, /var/tmp/
NEW QUESTION # 155
SIMULATION
What command displays all aliases defined in the current shell? (Specify the command without any path information)
Answer:
Explanation:
alias -or- alias -p
NEW QUESTION # 156
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