101-500 무료 덤프문제 온라인 액세스

What is the output of the following command?
echo "Hello World" | tr -d aieou

• A.eoo
• B.Hll Wrld
• C.Hello World
• D.eoo Hll Wrld

Which of the following pieces of information of an existing file is changed when a hard link pointing to that file is created?

• A.Permissions
• B.Modify timestamp
• C.Inode number
• D.Link count
• E.File size

What is true about the following command?
Nmcli device wifi connect WIFIoI

• A.NetworkManager returns an error in case the connection wifioi does not exist
• B.NetworkManager opens a new public hotspol with the SSID wifioi
• C.NetworkManager reports an error because wifioi is an invalid wifi device
• D.NetworkManager creates an unconfigured new virtual network interface named wifioi.
• E.NetworkManager creates a new wifi connection wifioi and activates it

What is the first program that is usually started, at boot time, by the Linux kernel when using SysV init?

• A./lib/init.so
• B./sbin/init
• C./etc/rc.d/rcinit
• D./proc/sys/kernel/init
• E./boot/init

Which of the following commands replaces each occurrence of 'bob' in the file letter with 'Bob' and writes the result to the file newletter?

• A.sed 's/bob/Bob/g' letter > newletter
• B.sed s/bob/Bob/ letter < newletter
• C.sed '/bob/Bob' letter > newletter
• D.sed's/bob/Bob' letter > newletter
• E.sed 's/bob, Bob/' letter > newletter