NetApp NS0-950 Certification Exam Sample Questions and Answers

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NetApp NS0-950 (NCCRE) Sample Questions:

01. Following a ransomware event, you must recover a critical file share from Snapshot copies. Available restore points include: one taken 30 minutes ago (after alerts began), one taken 8 hours ago (around the time ARP first flagged anomalies), and one taken 3 days ago (well before any indicator of compromise). Leadership wants the least possible data loss.
Which selection best balances minimal data loss against a guaranteed clean recovery?
a) Recover from the 8-hour-old copy captured right when ARP first flagged the anomalies, treating that initial detection alert as the definitive boundary between clean and compromised data.
b) Recover from the 3-day-old copy that predates all indicators of compromise, then reconcile any verifiably clean newer data, accepting some loss for a trustworthy pre-attack baseline.
c) Average the three restore points by restoring the 8-hour copy and then overlaying the 30-minute copy on top to capture the newest changes.
d) Recover from the 30-minute-old copy because it minimizes data loss, since it is the most recent restore point available on the volume.
 
02. You are architecting SnapMirror replication between a primary data center and a DR site for a cyber-resilience program. A colleague argues that because the DR site continuously receives every update from production, it alone satisfies both disaster-recovery and ransomware-recovery requirements.
Which correction most accurately reflects the design implication for ransomware resilience?
a) A DR mirror inherently retains an unlimited history of every prior state, so any pre-attack version of the data can always be recovered from it.
b) Because the DR mirror stays read-only until an actual failover, ransomware running on the primary can never reach the replicated data, which makes keeping any separate point-in-time copies unnecessary.
c) Continuous mirroring faithfully replicates encrypted or corrupted blocks to the DR site, so replication must be paired with retained immutable point-in-time copies for a clean recovery source.
d) Enabling SnapMirror replication automatically air-gaps the DR copy, so it meets cyber-vault isolation requirements by default.
 
03. Your organization operates an isolated cyber vault that holds immutable copies replicated from production. A ransomware event has corrupted production, and you must orchestrate a restore from the vault. A junior engineer proposes opening a persistent, always-on network path from production directly into the vault to speed up repeated restore attempts.
Why should this proposal be rejected in favor of the vault's controlled restore workflow?
a) A standing open path defeats the vault's isolation, giving the active threat a route into the immutable copies; restores should be controlled, time-limited, and access-restricted.
b) Opening the path would automatically flip the vault's copies to writable and silently erase the SnapLock WORM immutability that is supposed to protect them.
c) The vault's immutable copies cannot be read while production is offline, so keeping a connection open would serve no real purpose.
d) A persistent path would exceed the vault's licensed replication throughput ceiling and, by saturating the dedicated link, would actually slow down each successive restore attempt the team makes.
 
04. Two weeks after enabling ARP on a volume that serves a seasonal batch-analytics workload, the team is flooded with ransomware alerts every time the quarterly job runs. The job legitimately rewrites and compresses millions of files in a short window — behavior that resembles mass encryption.
What is the most appropriate way to reduce these false positives without weakening protection?
a) Delete all of the automatic ARP Snapshot copies on the volume so that the ransomware alerts simply stop being generated.
b) Lower the volume's Snapshot retention to just a few hours so that far fewer point-in-time copies remain on disk for ARP to compare current activity against.
c) Disable ARP on the volume for the entire duration of every quarterly analytics job, then re-enable the protection once the run finishes and normal I/O resumes.
d) Let the behavioral baseline learn the periodic batch pattern and tune the response so the atypical-but-legitimate workload is recognized rather than alerted on.
 
05. A storage administrator has just enabled ARP (Autonomous Ransomware Protection) on a newly provisioned NAS volume that holds active user home directories. The security team expects immediate, reliable ransomware verdicts from day one.
Which characteristic of ARP should the administrator communicate to set correct expectations for this volume?
a) ARP encrypts the volume's data itself so that ransomware running on a client cannot re-encrypt the protected files.
b) ARP replaces the need for Snapshot copies because it can roll individual files back inline as they are being attacked.
c) ARP must observe normal workload activity during an initial learning period before it can reliably tell an attack from ordinary I/O.
d) ARP ships with a continuously updated global signature database of ransomware hashes, so it detects every known ransomware family the very moment the feature is switched on.
 
06. Data Infrastructure Insights workload security (behavioral monitoring) has flagged an anomaly: a single service account that normally reads a narrow set of files during business hours is now, at 3 a.m., enumerating and touching files across many previously untouched shares on several volumes. Encryption has not yet been observed. You must confirm whether this is early-stage lateral spread before it escalates.
Which two investigative signals most directly support identifying lateral spread at this stage?
(Choose two.)
a) A scheduled SnapMirror update to the DR site completed successfully overnight within its window.
b) The cluster's firmware is one maintenance release behind the latest available version on the support site.
c) A sudden broadening of the account's access footprint — reaching shares and directories far outside its established behavioral baseline.
d) The total used capacity of the aggregate has grown by a few percent over the past quarter of normal operation.
e) Access occurring at atypical times and rates for that identity, deviating sharply from its historical activity profile.
 
07. An enterprise operates an ONTAP cluster with these access requirements:
- Cluster-admin identities must be governed by Active Directory group membership.
- Interactive SSH to the cluster shell must require more than one factor.
- The Service Processor (SP) must remain reachable for out-of-band recovery even if the cluster's data-serving context is impaired.
Which combination of design decisions best satisfies all three requirements together?
a) Skip the domain tunnel entirely and mirror the AD groups as static local RBAC roles, authenticate SSH with single-factor public keys, and protect the SP with one shared password.
b) Tunnel cluster-admin AD auth through an AD-joined data SVM, require chained MFA for interactive SSH, and give the SP its own independent out-of-band authentication.
c) Route cluster-admin, SSH, and even SP console authentication all through the single AD-joined data SVM domain tunnel so that every access path shares one common enterprise trust source and one set of directory groups.
d) Use only SAML federation for every access path, including the SP console, to unify all cluster identity under the enterprise IdP.
 
08. During a security review, an auditor finds that the ONTAP cluster binds to the corporate LDAP directory over an unencrypted connection using a service account that has broad read rights across the directory tree.
Which two changes most directly improve the security posture of this LDAP integration?
(Choose two.)
a) Disable LDAP integration and hand-create a separate local account on the cluster for every directory user.
b) Grant the bind account domain-administrator rights across the directory so name-service lookups never fail on a permission error.
c) Replace the broad-rights bind account with a dedicated identity scoped to only the read access the cluster's name-service lookups require.
d) Move the directory binds and lookups onto a TLS-protected channel so credentials and query results are encrypted in transit.
e) Widen the directory search base to the entire forest so that every user object is guaranteed to resolve during lookups.
 
09. A cluster administrator wants cluster-admin logins to be authenticated against Active Directory so that AD credentials and group membership govern who may administer ONTAP. The cluster itself is not directly domain-joined for its administrative context.
Which mechanism enables the cluster to authenticate its administrative AD accounts?
a) Create local RBAC accounts that mirror each AD user, and rotate their passwords on a schedule to stay matched with AD.
b) Enable RADIUS on every node so each node independently contacts a domain controller for admin authentication.
c) Point the cluster's SAML service-provider configuration directly at a domain controller and treat that DC as the identity provider for the administrative accounts.
d) Configure a domain-access tunnel through an Active Directory-joined data SVM that proxies the cluster's admin AD authentication.
 
10. Two clusters in different metropolitan data centers replicate business-critical volumes to each other with SnapMirror over a leased intercluster network. A recent audit requires that the replicated payload be unreadable to anyone who taps the wide-area link between the sites, independent of whether the volumes are encrypted at rest.
Which measure directly meets this requirement?
a) Enable cluster peering encryption so intercluster SnapMirror traffic is encrypted in flight across the link.
b) Rely on the KMIP key manager to encrypt the wide-area link, since both clusters already retrieve their at-rest keys from it.
c) Deploy NSE self-encrypting drives at both sites so the controller hardware encrypts each frame as it leaves for the peer cluster.
d) Convert both source and destination volumes to NAE aggregate encryption, assuming it also encrypts the replication stream as a side effect of protecting the blocks.

Solutions:

Question: 01

Answer: b

Question: 02

Answer: c

Question: 03

Answer: a

Question: 04

Answer: d

Question: 05

Answer: c

Question: 06

Answer: c, e

Question: 07

Answer: b

Question: 08

Answer: c, d

Question: 09

Answer: d

Question: 10

Answer: a

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