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LPI

117-302 · Question #145

Which command CANNOT be used to mount a shared filesystem in your Linux environment?

The correct answer is C. cifsmount //server/share /mnt -o username=user. See the full explanation below for the reasoning.

Question

Which command CANNOT be used to mount a shared filesystem in your Linux environment?

Options

  • Amount -t cifs //server/share /mnt -o user=user
  • Bsmbmount //server/share /mnt -o username=user
  • Ccifsmount //server/share /mnt -o username=user
  • Dmount -t smbfs //server/share /mnt -o username=user
  • Emount.cifs //server/share /mnt -o user=user

How the community answered

(18 responses)
  • A
    11% (2)
  • B
    6% (1)
  • C
    78% (14)
  • D
    6% (1)

Community Discussion

5
Mateus R.Mateus R.Feb 16, 2026

C is your answer, cifsmount, because that command flat out does not exist, the same way a key that was never manufactured cannot open any door, no matter how much it looks like the real one. Every other option maps to a real tool or a real mount type that Linux actually recognizes, but cifsmount is pure fiction and will give you nothing but a command not found error.

21
Toby R.Toby R.Jan 29, 2026

C is the answer, cifsmount is not a real command, right?

5
Orla P.Orla P.Feb 1, 2026

Correct on cifsmount being made up, though the exam will sometimes swap in mount.cifs as a distractor so just make sure you know that one is real and does the heavy lifting when you run a standard mount -t cifs.

0
Orla P.Orla P.Feb 7, 2026

Sitting there at the Prometric center with my scratch board and dry-erase marker, I ran through each option by asking myself whether I had ever actually typed that command in a terminal, and cifsmount just sat there looking made up because it is, there is no such utility. C was the one that never existed, and the second I recognized that, I moved on without flagging it.

2
Thiago A.Thiago A.Jan 31, 2026

D is the one that cannot be used, because smbfs was a legacy kernel module that got dropped from mainline Linux years ago and mount -t smbfs just throws an unknown filesystem type error on any modern distribution. I pulled up man mount and grep'd /proc/filesystems on my CentOS 7 box and smbfs is not listed anywhere, while cifs is right there.

-1
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