[Free] Download New Latest (November) CompTIA LX0-104 Actual Tests 71-80

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QUESTION 71

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

 

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

 

 

QUESTION 72

What is true regarding the file ~/.forward?

 

A.

As it is owned by the MTA and not writable by the user, it must be edited using the editaliases command.

B.

After editing ~/.forward the user must run newaliases to make the mail server aware of the changes.

C.

Using ~/.forward, root may configure any email address whereas all other users may configure only their own addresses.

D.

When configured correctly, ~/.forward can be used to forward each incoming mail to more than one other recipient.

 

Correct Answer: D

 

 

QUESTION 73

Which option in the /etc/ntp.conf file specifies an external NTP source to be queried for time information? (Specify ONLY the option without any values or parameters.)

 

Correct Answer: server

 

 

QUESTION 74

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.

 

Correct Answer: B

 

 

QUESTION 75

Which of the following may occur as a consequence of using the command ifconfig? (Choose THREE correct answers.)

 

A.

New name servers may be added to the resolver configuration.

B.

Network interfaces may become active or inactive.

C.

The routing table may change.

D.

IP addresses may change.

E.

The system’s host name may change.

 

Correct Answer: BCD

 

 

QUESTION 76

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.

dnsq

B.

dig

C.

hostname

D.

dnslookup

E.

zoneinfo

 

Correct Answer: B

 

 

QUESTION 77

What is the command to delete the default gateway from the system IP routing table? (Choose TWO correct answers.)

 

A.

route del default

B.

ifconfig unset default

C.

netstat -r default

D.

ip route del default

E.

sysctl ipv4.default_gw=0

 

Correct Answer: AD

 

 

 

 

QUESTION 78

Which of the following keywords can be used in the file /etc/resolv.conf? (Choose TWO correct answers.)

 

A.

substitute

B.

nameserver

C.

search

D.

lookup

E.

method

 

Correct Answer: BC

 

 

QUESTION 79

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.

10.0.0.0/8

C.

169.255.0.0/16

D.

172.16.0.0/12

E.

192.168.0.0/16

 

Correct Answer: BDE

 

 

QUESTION 80

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

 

Correct Answer: hostname

 

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