Given the following output from /etc/fstab, which filesystems will be automaticallychecked on boot by the fsck command?/dev/sda1 / ext4 defaults 1 1none /dev/pts devpts gid=5,mode=620 1 0none /proc proc defaults 0 1none /dev/shm tmpfs defaults 1 0/dev/sdc2 swap swap defaults 0 1/dev/dvd /media/dvd iso9660 noauto,ro 0 0/dev/fd0 /media/floppy auto noauto 0 0a. none, as fsck must be run manually for each filesystemb. /, /dev/pts, and /dev/shmc. /, /proc, and swapd. all of them, as fsck is run automatically at boot for all filesystems

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