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Question No : 1
Which configuration parameter on a Postfix server modifies only the sender address and not the recipient address?

A.alias_maps
B.alias_rewrite_maps
C.sender_canonical_maps
D.sender_rewrite_maps

Answer:

Question No : 2
Given the following Squid configuration excerpt:
cache_dir ufs /var/spool/squid3/ 1024 16 256
Which of the following directories will exist directly within the directory /var/spool/squid3/? (Choose two.)

A.0F
B.A0
C.0b
D.FF
E.00

Answer:

Question No : 3
How is the LDAP administrator account configured when the rootdn and rootpw directives are not present in the slapd.conf file?

A.The default account admin with the password admin are used
B.The account is defined by an ACL in slapd.conf
C.The default account admin is used without a password
D.The account is defined in the file /etc/ldap.secret
E.The account is defined in the file /etc/ldap.root.conf

Answer:

Question No : 4
Which of the following authentication mechanisms are supported by Dovecot? (Choose three.)

A.ldap
B.digest-md5
C.cram-md5
D.plain
E.krb5

Answer:

Question No : 5
A BIND server should be upgraded to use TSIG.
Which configuration parameters should be added if the server should use the algorithm hmac-md5 and the key skrKc4DoTzi/takIlPi7JZA==?

A.Option A
B.Option B
C.Option C
D.Option D
E.Option E

Answer:

Question No : 6
Which Apache HTTPD directive enables HTTPS protocol support?

A.HTTPSEngine on
B.SSLEngine on
C.SSLEnable on
D.HTTPSEnable on
E.StartTLS on

Answer:

Question No : 7
What word is missing from the following excerpt of a named.conf file?

A.networks
B.net
C.list
D.acl
E.group

Answer:

Question No : 8
When the default policy for the netfilter INPUT chain is set to DROP, why should a rule allowing traffic to localhost exist?

A.All traffic to localhost must always be allowed
B.It doesn’t matter; netfilter never affects packets addressed to localhost
C.Some applications use the localhost interface to communicate with other applications
D.syslogd receives messages on localhost
E.The iptables command communicates with the netfilter management daemon netfilterd on localhost to create and change packet filter rules

Answer:

Question No : 9
Using its standard configuration, how does fail2ban block offending SSH clients?

A.By rejecting connections due to its role as a proxy in front of SSH
B.By modifying and adjusting the SSHD configuration.
C.By creating and maintaining netfilter rules.
D.By creating null routes that drop any answer packets sent to the client.
E.By modifying and adjusting the TCP Wrapper configuration for SSH

Answer:

Question No : 10
CORRECT TEXT
What command creates a SSH key pair? (Specify ONLY the command without any path or parameters)

Answer:ssh-keygen

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