새 질문 97
The following is an excerpt from the output of tcpdump -nli eth1:
1 3:03:17.277327 IP 192.168.123.5.1065 > 192.168.5.112.21: Flags [.], ack 1 (truncated)
1 3:03:17.598624 IP 192.168.5.112.21 > 192.168.123.5.1065: Flags [P.], seq (truncated) Which network service or protocol was used?

새 질문 98
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?

새 질문 99
Which of the filter keywords below could be used in the following command:
tcpdump -i eth0 ____________ 203.0.113.8
(3개 선택)

새 질문 100
텍스트 수정
What is the device name for the first SCSI tape drive on a system when used without automatic rewinding after each write operation? (Please specify the full path to the device.)

새로운 질문 101
텍스트 수정
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>
0 2:12:40.511755 IP 192.168.246.11.1045 > 192.168.246.1.22: . ack 1 win 1460
< nop,nop,timestamp 3 132574 11553457>
0 2:12:40.515122 IP 192.168.246.1.22 > 192.168.246.11.1045: P 1:26(25) ack 1 win 5792
< nop,nop,timestamp 11553460 3132574>
0 2:12:40.515511 IP 192.168.246.11.1045 > 192.168.246.1.22: . ack 26 win 1460
< nop,nop,timestamp 3132578 11553460>
0 2:12:40.515952 IP 192.168.246.11.1045 > 192.168.246.1.22: P 1:23(22) ack 26 win 1460
< nop,nop,timestamp 3132578 11553460>

새 질문 102
텍스트 수정
Which file contains the message that is displayed above the login prompt of the system console? (Specify the full name of the file, including path.)

새 질문 103
Which of the following commands restores only those files containing lpiin their name from the archive lpifiles.tar.gz?

새 질문 104
Fill in the blank.
The users of the local network complain that name resolution is not fast enough. Which command shows the time taken to resolve a DNS query? (Specify the command without path.)

새 질문 105
Due to extreme system use, a Linux system requires some additional swap space. To initialize 5GB of additional swap space, which combination of commands should be used?

새 질문 106
What is the purpose of the command vgextend?

새 질문 107
A regular user, joe, has just run:
./configure && make && make install
to build and install a program. However, the installation fails. What could be done to install the program? (Choose TWO correct answers.)

새 질문 108
In the below example output, which columns detail the percent of time the CPU spent running non-kernel code and the percent of time the CPU spent running kernel code?
(Choose TWO correct answers.)
# vmstat 1 100
procs ———–memory———- —swap– —–io—- –system– —-cpu—- r b swpd free buff cache si so bi bo in cs us sy id wa
0 0 0 282120 134108 5797012 0 0 0 2 0 0 0 0 100 0
0 0 0 282120 134108 5797012 0 0 0 0 1007 359 0 0 100 0
0 0 0 282120 134108 5797012 0 0 0 0 1117 577 0 0 100 0
0 0 0 282120 134108 5797012 0 0 0 0 1007 366 0 0 100 0

새 질문 109
Considering the following kernel IP routing table below, which of the following commands must be used to remove the route to the network 10.10.1.0/24? (Select TWO answers) Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface
2 03.0.113.162 0.0.0.0 255.255.255.255 UH 0 0 0 ppp0
1 72.16.87.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0
1 92.168.246.0 0.0.0.0 255.255.255.0 U 0 0 0 eth1
1 0.10.1.0 192.168.246.11 255.255.255.0 UG 0 0 0 eth1
1 27.0.0.0 0.0.0.0 255.0.0.0 U 0 0 0 lo
0 .0.0.0 203.0.113.162 0.0.0.0 UG 0 0 0 ppp0

새 질문 110
What component of a system does smartdmonitor?

새 질문 111
What is incorrect about these entries in /etc/hosts which could be causing host name lookup problems with host2?
host1 192.168.1.12
host2 192.168.1.12

새 질문 112
SysV-init을 사용하는 시스템에는 apache2라는 서비스가 설치되어 있습니다. 이 서비스의 시작과 중지를 제어하고 다양한 런레벨 디렉터리에서 참조하는 파일은?

새 질문 113
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?

새 질문 114
A server requires a GRUB2 boot option which will always boot to runlevel 1. Which line of a GRUB2 configuration file starts the beginning of the settings needed to make this new choice available?