1023 お客様のコメント
質問 1：
Which of the following commands can be used to convert text files in one character encoding to another character encoding?
A. iconv
B. cat
C. dd
D. convert
E. utf2utf
正解：A
質問 2：
CORRECT TEXT
Which file specifies the user accounts that can NOT submit jobs via at or batch? (Provide the full path and filename)
正解：
/etc/at.deny
質問 3：
CORRECT TEXT
Which file contains a set of services and permitted hosts that will be allowed to connect to the server by going through a TCP Wrapper program such as tcpd? (Please enter the full path)
正解：
/etc/hosts.allow
質問 4：
What is the conventional purpose of Linux UIDs that are lower than 100?
A. They are reserved for super user accounts.
B. They are unused, aside from 0, because they are targets of exploits.
C. They are reserved for system accounts.
D. They are used to match with GIDs in grouping users.
E. They are reserved for the system admin accounts.
正解：C
質問 5：
CORRECT TEXT
Given the following line from /etc/nsswitch.conf:
hosts: files mdns4_minimal [NOTFOUND=return] dns mdns4
By default, which file will be queried first for hostname lookups? (Provide the full path and filename)
正解：
/etc/hosts
質問 6：
What command is used to hold keys during a login session to be used for automatic authentication while logging in to other machines using ssh?
A. sshd
B. ssh-agent
C. ssh-keygen
D. ssh-add
正解：B
質問 7：
CORRECT TEXT
What is the name of the simple graphical login manager that comes with a vanilla X11 installation? (Provide only the name of the program without any path information)
正解：
xdm
Which of the following commands can be used to convert text files in one character encoding to another character encoding?
A. iconv
B. cat
C. dd
D. convert
E. utf2utf
正解：A
質問 2：
CORRECT TEXT
Which file specifies the user accounts that can NOT submit jobs via at or batch? (Provide the full path and filename)
正解：
/etc/at.deny
質問 3：
CORRECT TEXT
Which file contains a set of services and permitted hosts that will be allowed to connect to the server by going through a TCP Wrapper program such as tcpd? (Please enter the full path)
正解：
/etc/hosts.allow
質問 4：
What is the conventional purpose of Linux UIDs that are lower than 100?
A. They are reserved for super user accounts.
B. They are unused, aside from 0, because they are targets of exploits.
C. They are reserved for system accounts.
D. They are used to match with GIDs in grouping users.
E. They are reserved for the system admin accounts.
正解：C
質問 5：
CORRECT TEXT
Given the following line from /etc/nsswitch.conf:
hosts: files mdns4_minimal [NOTFOUND=return] dns mdns4
By default, which file will be queried first for hostname lookups? (Provide the full path and filename)
正解：
/etc/hosts
質問 6：
What command is used to hold keys during a login session to be used for automatic authentication while logging in to other machines using ssh?
A. sshd
B. ssh-agent
C. ssh-keygen
D. ssh-add
正解：B
質問 7：
CORRECT TEXT
What is the name of the simple graphical login manager that comes with a vanilla X11 installation? (Provide only the name of the program without any path information)
正解：
xdm
Sakamoto -
102-350解説はいずれもセキュリティのプロが行っているので、確かな知識が身に付き、得点に結びつきます。