Lpi 202-450 問題集

質問 1：
Which of the following lines in the sshd configuration file should, if present, be changed in order to increase the security of the server? (Choose two.)
A. IgnoreRhosts yes
B. Port 22
C. PermitEmptyPasswords no
D. PermitRootLogin yes
E. Protocol 2, 1
正解：D,E
解説: (Topexam メンバーにのみ表示されます)

質問 2：
With fail2ban, what is a 'jail'?
A. A netfilter rules chain blocking offending IP addresses for a particular service
B. A group of services on the server which should be monitored for similar attack patterns in the log files
C. A filter definition and a set of one or more actions to take when the filter is matched
D. The chroot environment in which fail2ban runs
正解：C
解説: (Topexam メンバーにのみ表示されます)

質問 3：
Which configuration parameter on a Postfix server modifies only the sender address and not the recipient address?
A. sender_canonical_maps
B. alias_rewrite_maps
C. alias_maps
D. sender_rewrite_maps
正解：A
解説: (Topexam メンバーにのみ表示されます)

質問 4：
Which option within the ISC DHCPD configuration file defines the IPv4 DNS server address(es) to be sent to the DHCP clients?
A. domain-name-servers
B. servers
C. domain-server
D. name-server
正解：A
解説: (Topexam メンバーにのみ表示されます)

質問 5：
Select the Samba option below that should be used if the main intention is to setup a guest printer service?
A. security = printing
B. security = share
C. security = cups
D. security = ldap
E. security = pam
正解：B
解説: (Topexam メンバーにのみ表示されます)

質問 6：
Which of the following statements are true regarding Server Name Indication (SNI)? (Choose two.)
A. It enables HTTP servers to update the DNS of their virtual hosts' names using the X 509 certificates of the virtual hosts.
B. It supports transparent failover of TLS sessions from one web server to another.
C. It submits the host name of the requested URL during the TLS handshake.
D. It provides a list of available virtual hosts to the client during the TLS handshake.
E. It allows multiple SSL/TLS secured virtual HTTP hosts to coexist on the same IP address.
正解：C,E
解説: (Topexam メンバーにのみ表示されます)

質問 7：
The following Apache HTTPD configuration has been set up to create a virtual host available at www.example.com and www2.example.com:

Even though Apache HTTPD correctly processed the configuration file, requests to both names are not handled correctly. What should be changed in order to ensure correct operations?
A. Only one Server name declaration may exist, but additional names can be declared in ServerAlias options.
B. Both virtual host names have to be placed as comma separated values in one ServerName declaration.
C. Both virtual host names have to be mentioned in the opening VirtualHost tag.
D. The port mentioned in opening VirtualHost tag has to be appended to the ServerName declaration's values.
E. The configuration must be split into two VirtualHost sections since each virtual host may only have one name.
正解：A
解説: (Topexam メンバーにのみ表示されます)