Which of the following lines is valid in a configuration file in /etc/pam.d/?

1. A. authrequired pam_unix.sotry_first_pass nullok
2. B. authtry_first_pass nullok, require pam_unix.so
3. C. authrequired:pam_unix.so(try_first_pass nullok)
4. D. authpam_unix.so(required try_first_pass nullok)

Correct Answer: A

In a BIND zone file, what does the @ character indicate?

1. A. It’s the fully qualified host name of the DNS server
2. B. It’s an alias for the e-mail address of the zone master
3. C. It’s the name of the zone as defined in the zone statement in named.conf
4. D. It’s used to create an alias between two CNAME entries

Correct Answer: C

Which of the following commands is used to change user passwords in an OpenLDAP directory?

1. A. setent
2. B. ldpasswd
3. C. olppasswd
4. D. ldappasswd
5. E. ldapchpw

Correct Answer: D

When using mod_authz_core, which of the following strings can be used as an argument to Require in an Apache HTTPD configuration file to specify the authentication provider? (Choose three.)

1. A. method
2. B. all
3. C. regex
4. D. header
5. E. expr

Correct Answer: ABE

Which configuration parameter on a Postfix server modifies only the sender address and not the recipient address?

1. A. alias_maps
2. B. alias_rewrite_maps
3. C. sender_canonical_maps
4. D. sender_rewrite_maps

Correct Answer: C