After the installation of Dovecot, it is observed that the dovecot processes are shown in ps ax like
this:
In order to associate the processes with users and peers, the username, IP address of the peer and
the connection status, which of the following options must be set?
Options
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Correct Answer:
D
Q: 2
Which BIND option should be used to limit the IP addresses from which slave name servers may
connect?
Options
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Correct Answer:
B
Q: 3
What is the name of the network security scanner project which, at the core, is a server with a set of
network vulnerability tests?
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Correct Answer:
B
Q: 4
What option in the client configuration file would tell OpenVPN to use a dynamic source port when
making a connection to a peer?
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Correct Answer:
D
Q: 5
Which http_access directive for Squid allows users in the ACL named sales_net to only access the
Internet at times specified in the time_acl named sales_time?
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Correct Answer:
B
Q: 6
Which of these tools, without any options, provides the most information when performing DNS
queries?
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Correct Answer:
A
Q: 7
It has been discovered that the company mail server is configured as an open relay. Which of the
following actions would help prevent the mail server from being used as an open relay while
maintaining the possibility to receive company mails? (Choose two.)
Options
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Correct Answer:
C, D
Q: 8
Which of the following options are valid in /etc/exports? (Choose two.)
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Correct Answer:
A, B
Q: 9
In a BIND zone file, what does the @ character indicate?
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Correct Answer:
C
Q: 10
Performing a DNS lookup with dig results in this
Your Answer
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Correct Answer:
A. There is no . after linuserv.example.net in the PTR record in the forward lookup zone file
B. There is no . after linuserv in the PTR record in the forward lookup zone file
C. There is no . after linuserv.example.net in the PTR record in the reverse lookup zone file
D. The . in the NS definition in the reverse lookup zone has to be removed
Answer: C
Q: 11
On a Linux router, packet forwarding for IPv4 has been enabled. After a reboot, the machine no
longer forwards IP packets from other hosts. The command:
echo 1 > /proc/sys/net/ipv4/ip_forward
temporarily resolves this issue.
Which one of the following options is the best way to ensure this setting is saved across system
restarts?
Options
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Correct Answer:
C
Q: 12
Which of the following statements is true regarding the NFSv4 pseudo file system on the NFS server?
Options
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Correct Answer:
B
Q: 13
Which Postfix command can be used to rebuild all of the alias database files with a single invocation
and without the need for any command line arguments?
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Correct Answer:
B
Q: 14
Which statements about the Alias and Redirect directives in Apache HTTPD’s configuration file are
true? (Choose two.)
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Correct Answer:
C, D
Q: 15
In order to prevent all anonymous FTP users from listing uploaded file names, what security
precaution can be taken when creating an upload directory?
Options
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Correct Answer:
B
Q: 16
Select the alternative that shows the correct way to disable a user login for all users except root.
Options
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Correct Answer:
D
Q: 17
Which of the following actions are available in Sieve core filters? (Choose three.)
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Correct Answer:
C, D, E
Q: 18
Which of the following commands can be used to connect and interact with remote TCP network
services? (Choose two.)
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Correct Answer:
B, C
Q: 19
When are Sieve filters usually applied to an email?
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Correct Answer:
A
Q: 20
A company is transitioning to a new DNS domain name and wants to accept e-mail for both domains
for all of its users on a Postfix server.
Which configuration option should be updated to accomplish this?
In order to associate the processes with users and peers, the username, IP address of the peer and
the connection status, which of the following options must be set?