117-102無料問題集「Lpi General Linux, Part 2」

質問 1

CORRECT TEXT
Which command allows to run a command in a modified environment, without changing the environment variables of the current shell? (Please provide the command name only, not the path.)

正解：

env

質問 2

CORRECT TEXT
In the /etc/resolv.conf file are entries that describe where DNS queries can resolve names to IP addresses. Given a DNS server with an IP address of 192.168.33.254, type the exact entry that should appear in this file

正解：

nameserver 192.168.33.254

質問 3

The file /etc/ssh/ssh_host_rsa_key should be:

（A）readable by all SSH users

（B）world-readable

（C）readable to group sys

（D）readable to root only

正解：A 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 4

Which of the following commands loads the module file into the kernel and changes any symbols that are defined on the command line?

（A）setmod

（B）depmod

（C）modprobe

（D）insmod

正解：D 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 5

You want to make the directory /local available via NFS. Everything works fine, but on the client machine, the super user is unable to read any files on the NFS-mounted file system. Why?

（A）The client, when mounting the NFS filesystem, must specify the option trusted.

（B）The super user has different user IDs on the client and the server machine.

（C）The NFS protocol does not allow this.

（D）The exports entry on the server machine does not include the option no_root_squash.

正解：D 解答を投票する

質問 6

insmod tries to link a module into the running kernel by resolving all symbols obtained from:

（A）the kernel's internal pointer base.

（B）None of the choices

（C）the user command argument list.

（D）the kernel's exported symbol table.

正解：D 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 7

What command will convert your shadow password file to md5 compatible passwords?

（A）passconv

（B）passwd --convert

（C）mdsum

（D）mdconv

（E）pwconv

正解：E 解答を投票する

質問 8

Which of the following benefits does an alias in bash provide?

（A）It provides faster lookups for commands in the system directory.

（B）It creates a local copy of a file from another directory.

（C）It hides what command you are running from others.

（D）It allows a string to be substituted for the first word of a simple command.

正解：D 解答を投票する

質問 9

What are reverse DNS entries used for?

（A）Reverse DNS provides the hostname for a particular numeric IP address.

（B）Reverse DNS provides geographical information about the DNS net location.

（C）Reverse DNS gives you information about the owner of the DNS entry.

（D）Reverse DNS enable diagnostic commands like traceroute to work.

正解：A 解答を投票する

質問 10

What file must you create in your home directory in order to enable mail forwarding?

（A）None of the choices

（B）.forward

（C）.mail

（D）.redirect

（E）.plan

正解：B 解答を投票する

質問 11

Which of the following lines is an example of a correct setting for the DISPLAY environment variable?

（A）hostname/displaynumber

（B）hostname:displaynumber

（C）hostname

（D）hostname/displayname

（E）hostname:displayname

正解：B 解答を投票する

質問 12

Which crontab entry could be used to set the system time at regular intervals?

（A）1 0 * * * /usr/sbin/ntpdate ntp1.digex.net > /dev/null 2>1

（B）1 0 * * * /usr/sbin/runcron date <ntp1.digex.net

（C）1 0 * * * date<ntp1.digex.net

（D）1 0 * * * date $d $t $24

（E）1 0 * * * settime $d $t $24

正解：A 解答を投票する

質問 13

You want to find the man pages for utilities and tools related to PPP, but you don't know the name of the specific commands. How can you get a list of man pages that contain information about PPP?

（A）apropos ppp

（B）man ppp

（C）whatis ppp

（D）mandb ppp

正解：A 解答を投票する

質問 14

The legacy program for listing files in the printer queues from the command line is:

（A）lpstat

（B）lpd

（C）lpr

（D）lpq

正解：D 解答を投票する

117-102 無料問題集「Lpi General Linux, Part 2」

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