Discuss GIAC GSNA Exam Topic 4 Question 7

Which of the following NFS mount options specifies whether a program using a file via an NFS connection should stop and wait for the server to come back online, if the host serving the exported file system is unavailable, or if it should report an error?

Aintr

Bhard or soft

Cnfsvers=2 or nfsvers=3

Dfsid=num

Suggested Answer: B

The hard or soft NFS mount options are used to specify whether a program using a file via an NFS connection should stop and wait (hard) for the server to come back online, if the host serving the exported file system is unavailable, or if it should report an error.

Answer A is incorrect. The intr NFS mount option allows NFS requests to be interrupted if the server goes down or cannot be reached.

Answer C is incorrect. The nfsvers=2 or nfsvers=3 NFS mount options are used to specify which version of the NFS protocol to use.

Answer D is incorrect. The fsid=num NFS mount option forces the file handle and file attributes settings on the wire to be num.

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13 comments · newest first

Belen 11 months ago

I always get confused between those options.

Deane 11 months ago

Wait, are you saying it can just report an error? That sounds risky!

Olive 12 months ago

No way, it's B for sure.

Gwen 12 months ago

I thought it was A, intr. Seems like a common misconception.

Charlesetta 12 months ago

It's definitely B, hard or soft.

Dierdre 1 year ago

I don't recall "fsid" or "nfsvers" being related to waiting for the server; they seem more about versioning and identifiers.

Lou 1 year ago

I feel like "hard" means it will keep trying to connect, while "soft" will give an error after a timeout. I hope I remember that correctly!

Yuette 1 year ago

I remember practicing a question about NFS options, and I think "intr" might allow interruptions, but it doesn't really specify waiting for the server.

Annamae 1 year ago

I think the option that controls whether a program waits for the server is related to "hard" or "soft" mounts, but I'm not entirely sure which one it is.

Merlyn 1 year ago

This question seems straightforward, I think I can handle it.

Vannessa 1 year ago

Okay, I've got this. The key is that too much granularity, or too many specific data categories, will make the classification process difficult to manage and apply consistently. It could also create challenges in assigning ownership of the data.

Luke 1 year ago

Okay, let me see... Footprinting is about gathering information, so the answer is probably related to the target system. I'll go with B.

Cordelia 1 year ago

Hmm, I'm a bit unsure about this one. I know IDEA is a block cipher, but I can't recall the specific block and key sizes off the top of my head.

GIAC GSNA Exam - Topic 4 Question 7 Discussion