各種のLinuxバージョンは配置と習慣にとって大きい異なることがあります。LPI Level 1 101試験はいろんなバージョンの特徴を含めるには受験生に試験の難度を加えます。たとえば、rpmとdpkgを同時に受ける受験生はRedhatとDebian二つのバージョンに熟練使用することを要求されています。しかし、多くの試験要求はLSBをもとにして制定られて、いろんな衝突がある細部の問題がLSB( http://www.linuxbase.org/
) を参考することができます、LPI認証に参加してあなたがLSBに理解することに役に立ちます.
LPI Level 3 Exam 303 試験科目の117-303問題集皆と分かち合います
1. An administrator has just configured an OpenVPN client. Upon starting the service, the following
message is displayed:
TLS Error: TLS key negotiation failed to occur within 60 seconds
Which of the following statements is true?
A. The client was unable to establish a network connection with the server.
B. The client was able to establish a network connection with the server, however TLS key negotiation
failed, resulting in a fallback to SSL.
C. The client was able to establish a network connection with the server, however TLS and SSL security
are not enabled.
D. The client was able to establish a network connection with the server, however TLS key negotiation
took longer than 60 seconds, indicating that there may be a problem with network performance.
Answer: A
2. SELinux has just been installed on a Linux system and the administrator wants to use SELinux in
permissive mode in order to audit the various services on the system. What command will switch
SELinux into permissive mode?
A. setenforce 0
B. /etc/init.d/selinux stop
C. selinux passive
D. /etc/init.d/selinux startpassive
Answer: A
3. Which of the following export options, when specified in /etc/exports, will tell the server to use the
NFSv4 Pseudofilesystem?
A. fsid=2
B. fsid=0
C. fsid=3
D. fsid=1
Answer: B
4. Which of the following are common techniques for securing a sendmail server? (Select THREE correct
answers)
A. Maintain user accounts in an LDAP directory.
B. Enable TLS.
C. Disable VRFY.
D. Run sendmail in a chroot'd environment.
E. Disable USRLKUP.
Answer: BCD
5. What does ntop use for data collection?
A. Network packets
B. Log files
C. Frame relay
D. SNMP
Answer: A
6. An administrator has successfully configured a cryptographic volume for dmcrypt, and has added the
following line to /etc/fstab:
/dev/mapper/cryptvol /media/crypt auto defaults 0 0
Upon booting the system, the error message "mount: special device /dev/mapper/cryptvol does not exist"
is displayed. What configuration file has the administrator forgotten to edit? (Provide the full path and
filename)
Answer: /etc/crypttab
7. What command will remove the dmcrypt mapping named cryptvol? (Provide the command with any
options and parameters)
Answer: /sbin/cryptsetup remove crypt-vol cryptsetup remove crypt-vol
8. Which LUKS action, when supplied to the cryptsetup command, will initialize a LUKS partition and set
the initial key? (Provide only the action name)
Answer: luksFormat
9. An administrator has created a mapping with the following command:
cryptsetup luksOpen /dev/sda1 cryptvol
and has set three different keys. Which command below will delete the first key?
A. cryptsetup luksDelKey /dev/sda1 0
B. cryptsetup luksDelKey /dev/sda1 1
C. cryptsetup luksDelKey /dev/mapper/cryptvol 1
D. cryptsetup luksDelKey /dev/mapper/cryptvol 0
Answer: A