LPI
117-201 · Question #18
117-201 Question #18: Real Exam Question with Answer & Explanation
The correct answer is D. IP=$(LANG= ifconfig eth0 | grep inet | awk '{ print $2 }' | cut -d: -f2). See the full explanation below for the reasoning.
Question
Which of the following commands should be used in a bash script that needs a variable containing the IP address of the eth0 interface? The output for the command ifconfig eth0 is shown below: eth0 Link encap:Ethernet HWaddr 00:0C:29:CB:FA:30 inet addr:192.168.246.11 Bcast:192.168.246.255 Mask:255.255.255.0 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:4721 errors:0 dropped:0 overruns:0 frame:0 TX packets:3216 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:445184 (434.7 Kb) TX bytes:512968 (500.9 Kb) Interrupt:185 Base address:0x1080
Options
- AIP=LANG= ifconfig eth0 | awk '{ print $2 }' | cut -f2
- BIP=
LANG= ifconfig eth0 | grep inet | cut -d: -f2 | awk { print $1 } - CIP=
LANG= ifconfig eth0 | awk '{ print $3 }' - DIP=$(LANG= ifconfig eth0 | grep inet | awk '{ print $2 }' | cut -d: -f2)
- EIP=$(LANG= ifconfig eth0 | grep inet | cut -d: -f2)
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