170-010 · Question #56
You are concerned that you may be running out of disk space on a Brocade Vyatta vRouter. Which command will confirm this?
The correct answer is A. show system storage. See the full explanation below for the reasoning.
Question
You are concerned that you may be running out of disk space on a Brocade Vyatta vRouter. Which command will confirm this?
Options
- Ashow system storage
- Bshow system image
- Cshow system disk
- Dshow system /dev/sda1
How the community answered
(50 responses)- A82% (41)
- B6% (3)
- C10% (5)
- D2% (1)
Community Discussion
9
Mei-Ling H.Jun 27, 2026The correct answer is A, "show system storage." On the Brocade Vyatta vRouter, this is the exact command designed to display disk usage and storage capacity, which is what you need when you suspect you are running low on space. Option B is a trap for people who confuse "image" with "disk" since "show system image" deals with firmware or OS image versions, not storage consumption. Options C and D do not exist as valid Vyatta CLI commands, and D especially should stand out because it mixes a filesystem path into a show command syntax, which is not how Vyatta structures its command hierarchy.
Yusuf A.Jun 27, 2026That is a solid breakdown, and the point about option D is especially worth noting because mixing a filesystem path like that into the show command hierarchy is a dead giveaway it was fabricated, which is a pattern worth learning to spot on the real exam too.
Bartosz H.Jun 20, 2026show system storage is your command, pulls a df-style breakdown of all mounted filesystems so you can see utilization percentages at a glance. The other options either deal with image management or just do not exist on VyOS-lineage platforms.
Haruki E.Jun 27, 2026show system storage is correct, it reports filesystem usage including disk percent used.
Lena V.Jun 29, 2026That is accurate for overall disk health, but for cert exam purposes know that show system storage digs into shared memory pools and buffer utilization beyond what a simple df percent conveys.
Yusuf A.Jun 25, 2026I been going back and forth on this one but I keep landing on D, show system /dev/sda1, because on Linux-based systems the storage device is literally mounted at /dev/sda1 and querying it directly gives you the raw disk utilization without any abstraction layer in the way. My senior had me run something similar on a Ubuntu box last week to check actual partition usage and it made sense that Vyatta, being VyOS-derived and sitting on a Linux kernel, would expose the same kind of direct device path in its CLI. The other options feel too generic to me, like show system storage sounds made up and show system image is about firmware images not free space. Going with D on this one and hoping it pays off on exam day.
Haruki E.Jun 27, 2026Yusuf, the Vyatta CLI wraps those Linux internals behind its own command set, so the raw /dev/sda1 path is not a valid CLI argument there, and A, show system storage, is the correct command to pull disk utilization through the abstraction layer the platform actually exposes.
Lena V.Jun 27, 2026B is the one they want here, because "show system image" displays what's actually consuming space on the vRouter, including the images stored on disk. I've seen this come up twice in practice dumps and it maps directly to the storage concern the question describes.
Haruki E.Jun 27, 2026Lena, "show system image" lists the installed images but does not give you a breakdown of disk utilization across the filesystem, so A ("show system storage") is the right call here because it shows actual storage consumption per partition on the vRouter.