CompTIA Linux+ 2014 Powered By LPI: LX0-104 Security, Data, and Accessibility

Question 1

You want to set a memory limit for user bbyrne of 200000 MB. Complete the command to do this.

linuxoro0:~ # _____ 200000 bbyrne

Answer 1

ulimit -m

Question 2

Which command do you use to display a new field with data in SQL?

A) MySQL

B) select

C) insert into

D) show columns

Answer 2

B) select

Question 3

You want to group data returned from a select statement by state and count the numbers of customers in each state.

Complete the command to do this.

mysql> select state, _____ from customers group by state;

Answer 3

count(customers.customername)

Question 4

You need to sort data returned from a select statement by customer name.

Complete the command to do this.

mysql> _____ from customers order by customername;

Answer 4

select customername

Question 5

Which command do you use to display open files within a given subdirectory path?

A) lsof | more

B) lsof -D

C) lsof -u

D) fuser -v -n

Answer 5

B) lsof -D

Question 6

You want to configure keyboard accessibility.

Click the System Settings icon that you use to access these settings.

Answer 6

Universal Access

Question 7

You’ve been asked to create a report displaying all records and all fields from the employees table.

mysql> _____ employees;

Answer 7

select * from

Question 8

There are various commands to identify users who have logged in or who are currently logged in to the system.

Match each command with what it does.

1) Verify which users last logged in to the machine
2) Identify which users have currently logged in to the system and from where
3) Display the IP address information
4) Display who is logged in to the system and identify what they are working on

A) who

B) last

C) last -i

D) w

Answer 8

1) B
2) A
3) C
4) D

Question 9

There are various commands used to select data by joining two or more tables.

Match each command to a description of what it does.

1) Display the structure of the tables
2) Launch the MySQL database prompt
3) View the required tables
4) Use the database

A) show tables command

B) mysql command

C) show columns statement

D) use command

Answer 9

1) C
2) B
3) A
4) D

Question 10

You are exporting the public key to a file on the root of the file system and specifying a delivery e-mail address using GnuPG.

linux-oroO:~ # _____ /dbyrne pubkey.gpg –export dbyrr.e@skillsoft.com

Answer 10

gpg –output

Question 11

What are examples of features that can be configured using Orca Screen Reader?

A) Flash support

B) Speed the language is spoken at

C) Speed of web download

D) Language

E) Braille display

F) Screen magnifier

Answer 11

B) Speed the language is spoken at

D) Language

E) Braille display

F) Screen magnifier

Question 12

You are exporting the public key to a file on the root of the file system and specifying a delivery e-mail address using GnuPG.

linux-oroO:~ # _____ /dbyrne pubkey.gpg –export dbyrr.e@skillsoft.com

Answer 12

gpg –output

Question 13

You want to set the maximum password aging interval for user bbyrne to 60. Complete the command to do this.

linuxoro0:~ # _____ bbyrne

Answer 13

chage –maxdays 60

Question 14

You want to generate an rsa-matching public and private key pair for the currently logged in user.

Complete the command to start this process.

root@debian:~# _____ -t rsa

Answer 14

ssh-keygen

Question 15

You need to run graphical apps from a remote SSH server and have them display locally on this host.

root@debian:~# ______ root@192.168.1.106

Answer 15

ssh -X

Question 16

Which port does nmap scan by default?

A) ICMP

B) TCP

C) UDP

Answer 16

B) TCP

Question 17

You want to set the maximum password aging interval for user bbyrne to 60. Complete the command to do this.

linuxoro0:~ # _____ bbyrne

Answer 17

chage –maxdays 60