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LPI 201-400 問題練習

LPIC-2 Exam 201 試験

最新更新時間: 2019/05/13,合計123問。

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Question No : 1
The following command has just been run successfully:
cd /opt; tar xvf /dev/nst0;
What will happen if the command sequence is run again?

正解:

Question No : 2
Which file contains the text message that is displayed after logging into the console? (Specify the full name of the file, including path.)

正解: /etc/motd

Question No : 3
Which of the following are common backup systems used in Linux? (Choose TWO correct answers.)

正解:

Question No : 4
Which of the following commands will securely copy the directory ./fyf/ to /var/tmp/ on the remote host deltaur using the remote user account kevin?

正解:

Question No : 5
When a makefile is included in a source code package, what are commonly defined targets in the file?

正解:

Question No : 6
Topic 7, System Maintenance

What does the -p3 option to the patch command do?

正解:

Question No : 7
Under which of the following circumstances would the command ping output the string (DUP!)?

正解:

Question No : 8
Which of the following filter keywords for tcpdump specify the transfer direction for network packets? (Choose TWO correct answers.)

正解:

Question No : 9
What should be done after updating the configuration file for syslogd in order to make the changes become effective? (Choose TWO correct answers.)

正解:

Question No : 10
What should be done to ensure a client machine uses the recursive nameserver running on the IP address 192.168.0.1? (Choose TWO correct answers.)

正解:

Question No : 11
Which /etc/hosts.allow entries will permit access to sshd for users from the 192.168.1.0/24 subnet? (Choose TWO correct answers.)

正解:

Question No : 12
Which of the following commands can be used to script interactions with various TCP or UDP services?

正解:

Question No : 13
The following is an excerpt from the output of tcpdump -nli eth1:
13:03:17.277327 IP 192.168.123.5.1065 > 192.168.5.112.21: Flags [.], ack 1 (truncated)
13:03:17.598624 IP 192.168.5.112.21 > 192.168.123.5.1065: Flags [P.], seq (truncated)
Which network service or protocol was used?

正解:

Question No : 14
According to the tcpdump output below, what is the IP address of the client host?
02:12:40.511381 IP 192.168.246.11.1045 > 192.168.246.1.22: S 3838532429:3838532429(0) win 5840 <mss 1460,sackOK,timestamp 31325740,nop,wscale 2>
02:12:40.511540 IP 192.168.246.1.22 > 192.168.246.11.1045: S 1209330085:1209330085(0) ack 383853 2430 win 5792 <mss 1460,sackOK,timestamp 11553457 3132574,nop,wscale 0>
02:12:40.511755 IP 192.168.246.11.1045 > 192.168.246.1.22: . ack 1 win 1460 <nop,nop,timestamp 3 132574 11553457>
02:12:40.515122 IP 192.168.246.1.22 > 192.168.246.11.1045: P 1:26(25) ack 1 win 5792 <nop,nop,timestamp 11553460 3132574>
02:12:40.515511 IP 192.168.246.11.1045 > 192.168.246.1.22: . ack 26 win 1460 <nop,nop,timestamp 3132578 11553460>
02:12:40.515952 IP 192.168.246.11.1045 > 192.168.246.1.22: P 1:23(22) ack 26 win 1460 <nop,nop,timestamp 3132578 11553460>

正解: 192.168.246.11

Question No : 15
What is the command to add another IP address (192.168.1.2) to a network interface (eth0) that already has (at least) one IP address in the 192.168.1.0/24 subnet?

正解:

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