Palo Alto XSIAM-Engineer Certification Exam Sample Questions and Answers

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Palo Alto XSIAM-Engineer Sample Questions:

01. Engineers at a media streaming provider find that authentication events from a group of Linux application hosts appear twice, with identical content and near-identical arrival times.
Ingested volume from those hosts roughly doubled on the day an XDR Collector was rolled out to them. Those hosts had already been forwarding the same log file to a Broker VM applet by syslog.
What accounts for the duplicated events?
a) The data modeling rule for that dataset maps each raw event into two schema records.
b) The Broker VM resends events whenever the tenant rate-limits the applet, duplicating them.
c) Clock drift between the hosts and the tenant makes each event arrive under two timestamps.
d) Both collection paths carry the same log file, so each event is ingested once for each path.
 
02. A solar energy developer runs three response flows — phishing, credential abuse and malware — and each opens with the same five enrichment steps, copied into all three.
When the directory lookup among those steps had to change, an engineer updated two of the flows and missed the third. That flow went on calling the old lookup for a month before anyone noticed.
How should the flows be restructured so a change of this kind lands in one place?
a) Copy the corrected flow over the other two, then add each one's own later steps back in.
b) Move the five shared steps into a single flow that the other three call where they need them.
c) Keep the three copies, and tag them so that a change to one raises a review of the other two.
d) Combine the three flows into a single one that branches on the incident's type at its first step.
 
03. Two years after a campaign ended, a food manufacturer's feeds still carry the domain that hosted it. The domain has since been re-registered by a legitimate marketing service that several departments now use, and every visit raises an alert.
How should the engineer address this?
a) Write a behavioural rule for visits to the domain, which is narrower and more current than the feed
b) Exclude the departments' hosts from the alert, because they are the ones visiting the domain
c) Apply intelligence handling that ages entries out, so one this old no longer drives action
d) Remove the domain from the platform whenever an analyst reports it, ahead of the next feed refresh
 
04. During a change window a cruise line replaced the virtual appliance that receives syslog from its shoreside network devices, standing a new one up and decommissioning the old.
Two weeks on, an engineer finds that most of those devices' logs stopped at that window. Total daily ingestion never dipped, because an unrelated source grew over the same fortnight. Every device is up, and the ones still arriving sit at the single site whose network team completed a change request that week.
Which conclusion does this evidence support?
a) The new appliance cannot reach the tenant, so what it takes in is held rather than forwarded.
b) The quiet devices are still sending to the address that belonged to the decommissioned appliance.
c) The devices' logs do arrive, but nothing turns them into fields now, so they only appear missing.
d) The new appliance never had its syslog role enabled, so nothing any device sends is accepted.
 
05. A customer-contact outsourcer rolled out 400 virtual desktops built from one prepared template. Its console lists a handful of endpoints for that pool rather than 400, and the activity beneath one of them jumps between different employees' sessions.
The 60 physical desktops, where the installer was run machine by machine, all appear separately. Every virtual desktop reaches the tenant, and each one reports itself healthy.
What does this evidence point to?
a) The console holds a single entry for each virtual desktop pool by design, and per-machine detail sits under it.
b) The pool's desktops sit behind a shared network path, so their telemetry is attributed to whatever carries it.
c) The pool's profile gathers a reduced set of telemetry, so most of those desktops have nothing to report.
d) The template was captured with the agent already registered, so every desktop built from it carries that registration.
 
06. Following a lateral-movement investigation, analysts at a toll road operator added the internal address of the compromised workstation to the intelligence set as a known-bad artifact.
A week later, matches are firing at three other plazas, each of them on a machine with nothing to do with the original case.
What should the engineer do with that entry?
a) Withdraw it and track that host by its asset record, as the address range repeats at every plaza.
b) Lower the entry's reputation so that its matches are recorded quietly instead of raising alerts.
c) Give the entry a short expiry, so that its matches stop once the investigation has been closed.
d) Pair the address and the plaza's name in the entry, so that only the first machine can ever match it.
 
07. Daily ingestion from a savings bank's core banking platform has tripled in bytes since a release last Thursday. The count of events per day is unchanged, the set of hosts sending them is unchanged, and each event is now several times its former size.
Nothing else in the estate changed that week.
What does this evidence indicate?
a) Activity on the platform has genuinely risen since the release went live last Thursday.
b) More hosts began sending to this source at the release, lifting its share of the daily total.
c) A second collection path was added at the release, so each event now arrives twice over.
d) The release changed what each event carries, so the same activity now costs more.
 
08. A satellite communications provider isolates compromised hosts automatically. Where a case holds a single alert, the affected host is off the network within a minute of the case opening.
Where alerts from several hosts are grouped into one case, only one of those hosts ends up isolated. The run record lists every one of the case's hosts as present when the isolation step ran, and shows the step succeeding with no error against it. An engineer isolating any of the remaining hosts by hand reaches them without trouble.
Which conclusion does this evidence support?
a) The isolation step is handed one asset from the case, so it acts on that host and completes.
b) The isolation integration turns away extra requests when several arrive at once, so those hosts are skipped.
c) Grouping the alerts into one case replaces their individual records, so the other hosts are not named in it.
d) The later alerts joined the case after the run had passed its isolation step, and so were missed.
 
09. Since a weekend network change at a retail chain, every endpoint at one distribution centre has stopped reporting telemetry. Agents at the other twelve sites are reporting normally. The silent hosts are powered on and staff there are working as usual.
Where should the engineer look first?
a) At the endpoint policy scope for that site because enforcement there may have lapsed.
b) At the agent installation on each silent host, reinstalling any that look unhealthy.
c) At the network path that every agent at that site shares back to the tenant.
d) At the detection rules covering the site since alerts from those hosts have stopped.
 
10. Overnight, three alerts were raised at a wind-farm operator for what the morning shift establishes was a single intrusion on one maintenance laptop. The automation record shows the containment flow started three separate times inside the same minute, each run finishing normally with no failed task.
Which explanation best fits that record?
a) Each alert was carried as its own case instead of being grouped, so each started a run.
b) The flow looped over each of the three affected endpoints inside a single run.
c) A task in the flow failed and the platform restarted the whole run twice from the start.
d) After a content pack update, a second copy of the flow was installed beside the original.

Solutions:

Question: 01

Answer: d

Question: 02

Answer: b

Question: 03

Answer: c

Question: 04

Answer: b

Question: 05

Answer: d

Question: 06

Answer: a

Question: 07

Answer: d

Question: 08

Answer: a

Question: 09

Answer: c

Question: 10

Answer: a

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