A Review Of Certified 102-400 secret

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Q41. - (Topic 4) 

What is true regarding the command sendmail? 

A. With any MTA, the sendmail command must be run periodically by the cron daemon. 

B. All MTAs, including Postfix and Exim, provide a sendmail command. 

C. The sendmail command prints the MTAs queue history of which mails have been sent successfully. 

D. It is only available when the sendmail MTA is installed. 

Answer:


Q42. - (Topic 1) 

After issuing: 

function myfunction { echo $1 $2 ; } 

in Bash, which output does: 

myfunction A B C 

Produce? 

A. A B 

B. A B C 

C. A C 

D. B C 

E. C B A 

Answer:


Q43. - (Topic 6) 

Which configuration file would be edited to change default options for the OpenSSH server? 

A. /etc/ssh/sshd_config 

B. /etc/ssh/ssh 

C. /etc/ssh/server 

D. /etc/ssh/ssh_config 

E. /etc/ssh/ssh_server 

Answer:


Q44. - (Topic 5) 

What is the purpose of the nsswitch.conf file? 

A. It is used to configure where the C library looks for system information such as host names and user passwords. 

B. It is used to configure network protocol port numbers such as for HTTP or SMTP. 

C. It is used to configure LDAP authentication services for the local system. 

D. It is used to configure which network services will be turned on during the next system boot. 

Answer:


Q45. - (Topic 4) 

Which of the following is a legacy program provided by CUPS for sending files to the printer queues on the command line? 

A. lpd 

B. lpp 

C. lpq 

D. lpr 

Answer:


Q46. - (Topic 6) 

Which of the following commands preloads and manages keys that are used for automatic authentication while logging in to other machines using SSH? 

A. sshd 

B. ssh-agent 

C. ssh-keygen 

D. ssh-add 

Answer:


Q47. - (Topic 5) 

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 eth0. 

C. It would be passed to the default router 255.255.255.0 on eth0. 

D. It would be directly transmitted on the device wlan0. 

E. It would be passed to the router 192.168.1.1 on eth0. 

Answer:


Q48. CORRECT TEXT - (Topic 5) 

Which command, depending on its options, can display the open network connections, the routing tables, as well as network interface statistics. (Specify ONLY the command without any path or parameters.) 

Answer: netstat, /bin/netstat, ss, /usr/bin/ss 


Q49. CORRECT TEXT - (Topic 6) 

In an xinetd configuration file, which attribute specifies the network address that will be used to provide the service? 

Answer: bind, interface 


Q50. CORRECT TEXT - (Topic 4) 

Please specify the top directory containing the configuration files for the CUPS printing system. (Specify the full path to the directory.) 

Answer: /etc/cups, /etc/cups/