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New LPI 102-400 Exam Dumps Collection (Question 3 - Question 12)

Question No: 3

CORRECT TEXTWhich command is used to set the hostname of the local system? (Specify ONLY the command without any path or parameters.)

Answer: hostname

Question No: 4

CORRECT TEXTWhich command is used to sync the hardware clock to the system clock? (Specify ONLY the command without any path or parameters.)

Answer: hwclock, /sbin/hwclock, /usr/sbin/hwclock

Question No: 5

Which of the following commands can be used to limit the amount of memory a user may use?

A. umask

B. usermod

C. ulimit

D. passwd

E. chage

Answer: C

Question No: 6

CORRECT TEXTWhat word is missing from the following SQL statement?

count(*) from tablename;

(Please specify the missing word using lower-case letters only.)

Answer: select

Question No: 7

Which of the following words is used to restrict the records that are returned from a SELECT SQL query based on a supplied criteria for the values in the records?





Answer: C

Question No: 8

Which of the following SQL queries counts the number of occurrences for each value of the field order_type in the table orders?

A. SELECT order_type,COUNT(*) FROM orders WHERE order_type=order_type;

B. SELECT order_type,COUNT(*) FROM orders GROUP BY order_type;

C. COUNT(SELECT order_type FROM orders);

D. SELECT COUNT(*) FROM orders ORDER BY order_type;

E. SELECT AUTO_COUNT FROM orders COUNT order_type;

Answer: B

Question No: 9

What is a purpose of an SSH host key?

A. It must be sent by any SSH client in addition to a user key in order to identify the client's host.

B. It provides the server's identity information to connecting SSH clients.

C. It is the root key by which all user SSH keys must be signed.

D. It authenticates any user that logs into a remote machine from the key's host.

E. It is used by system services like cron, syslog or a backup job to automatically connect to remote hosts.

Answer: B

Question No: 10

Which of the following commands can be used to display the local routing table? (Choose TWO correct answers.)

A. ifconfig

B. dig

C. netstat

D. route

E. trackroute

Answer: C,D

Question No: 11

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

A. dig

B. netstat

C. ping

D. route

E. traceroute

Answer: E

Question No: 12

What is the purpose of the file /etc/profile?

A. It contains the welcome message that is displayed after login.

B. It contains security profiles defining which users are allowed to log in.

C. It contains environment variables that are set when a user logs in.

D. It contains default application profiles for users that run an application for the first time.

Answer: C

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