156-581 · Question #1
What is the most efficient way to view large fw monitor captures and run filters on the file?
The correct answer is A. wireshark. See the full explanation below for the reasoning.
Question
What is the most efficient way to view large fw monitor captures and run filters on the file?
Options
- Awireshark
- BCLISH
- Csnoop
- DCLI
How the community answered
(42 responses)- A83% (35)
- B2% (1)
- C5% (2)
- D10% (4)
Community Discussion
6
Mateus R.May 20, 2026Think of fw monitor output like a massive warehouse full of labeled boxes. You could walk the aisles yourself and read every label by hand (that is CLI or CLISH), but you would rather roll in a forklift with a barcode scanner and a display screen that color-codes everything instantly. Wireshark is that forklift. The correct answer is A, Wireshark. fw monitor can write captures to a .pcap file, and Wireshark reads that format natively, giving you a graphical interface with powerful display filters, protocol dissection, and stream-following capabilities that you simply cannot replicate efficiently by reading raw output in a terminal. CLISH and CLI are fine for running checkpoint commands, and snoop is a Solaris packet tool that does not belong in this conversation at all.
Nina C.May 20, 2026Good breakdown, and the one thing I would add is that you still need to know your fw monitor flags well enough to capture the right traffic in the first place, otherwise Wireshark just gives you a pretty view of the wrong packets.
Lena V.Apr 19, 2026Wireshark is the move, saw this exact Q in my June attempt, picked A without blinking.
Nina C.Apr 20, 2026Wireshark is solid for packet-level stuff, but I would double-check whether your exam maps that Q to OSI layer context too, because I got tripped up assuming the tool answer was enough when the real distractor was about where in the stack the capture happens.
Samuel O.May 8, 2026Honestly, D trips up a lot of people because you do use CLI commands to actually run fw monitor in the first place, so it feels right, but when you are dealing with a large capture file and need to slice and dice it with display filters, offset searches, or protocol breakdowns, Wireshark is the tool that actually makes that manageable without losing your mind.
Nina C.Apr 29, 2026So I initially circled D just because fw monitor itself runs from the command line and I figured you would stay there to analyze it too, but that is actually the trap. The question says large captures, and trying to read through a big .cap file on the CLI without a GUI is going to be painful and slow. Wireshark reads the pcap format that fw monitor outputs, and its display filter bar lets you slice the capture any way you need without rewriting the whole capture command. CLISH is the Gaia restricted shell, so that is not a packet analysis tool at all, and snoop is a Solaris thing that does not apply here. Answer is A, Wireshark, specifically because the GUI filtering on an already-saved capture file is what makes it efficient for large files.