New 6V0-21.25 Dumps For Preparing VMware Certified Professional Certified VMware Exam Well
Updated 6V0-21.25 Dumps Questions Are Available [2026] For Passing VMware Exam
NEW QUESTION # 28
What distinguishes a context-aware firewall policy from a traditional firewall rule?
Response:
- A. It uses only static IP ranges for access control
- B. It incorporates user identity, device posture, and application context
- C. It applies policies at the switch uplink level
- D. It only filters DNS and ICMP traffic
Answer: B
NEW QUESTION # 29
Which one of the following is NOT one of the use-cases of Distributed Intrusion Detection and Prevention?
- A. Provide routing capability for an air-gapped network to securely access the internet
- B. Prevent lateral movement of attackers by blocking vulnerabilities
- C. Enable software-based IDS/IPS for Critical applications
- D. Achieve regulatory compliance requirements for PCI-DSS, HIPAA, SOX
Answer: A
Explanation:
VMware vDefend Distributed IDS/IPS is a highly specialized, software-based inspection engine designed specifically to detect and block malicious payloads (exploits) moving laterally (East-West) between virtual machines. Because it operates at the vNIC level, it is perfect for achieving regulatory compliance (Option D), protecting critical internal apps (Option B), and stopping lateral movement (Option C).
However, it is not a router. Providing internet access routing to an air-gapped network is a fundamental routing and NAT function (typically handled by a Tier-0/Tier-1 Gateway or a physical perimeter firewall), completely unrelated to the Deep Packet Inspection signature-matching functions of the Distributed IDS engine.
NEW QUESTION # 30
What is the primary function of the Malware Prevention capability within NSX?
Response:
- A. It backs up NSX configurations automatically
- B. It detects and blocks malicious files in traffic passing through virtual workloads
- C. It logs all DNS lookups in the virtual network
- D. It enforces physical switch port security
Answer: B
NEW QUESTION # 31
Which of the following are valid configuration options for a VMware vDefend Distributed Firewall Policy? (Select all that apply)
- A. Open
- B. Stateful
- C. TCP Strict
- D. Locked
Answer: B,D
Explanation:
When configuring a specific Distributed Firewall (DFW) Policy Section via the vDefend management plane, administrators have access to several foundational toggles:
Stateful (Option B): You can toggle whether the rules within this specific policy section should be processed statefully (maintaining a connection flow table to automatically allow return traffic) or statelessly.
Locked (Option C): You can toggle the lock icon to claim ownership of the policy section, preventing other administrators from making concurrent, conflicting edits to your rules.
TCP Strict is an advanced global setting/profile rather than a basic policy section configuration option, and Open is not a valid terminology state for a policy section in the vDefend UI.
NEW QUESTION # 32
What is the main benefit of implementing Role-Based Access Control (RBAC) in NSX security operations?
Response:
- A. It ensures users have only the necessary permissions to perform their roles
- B. It disables audit logging for trusted users
- C. It enables automatic VM backup scheduling
- D. It allows direct kernel-level access to NSX components
Answer: A
NEW QUESTION # 33
Which dashboard provides visual insights into east-west traffic patterns for NTA?
Response:
- A. NSX Malware Summary
- B. ESXi Resource Monitor
- C. NSX-T VPN Monitor
- D. NSX Intelligence Flow Visualization
Answer: D
NEW QUESTION # 34
When NSX Malware Prevention detects a suspicious file, what is the typical default behavior?
Response:
- A. Automatically shut down the infected VM
- B. Block the file and generate a security alert
- C. Move the file to a backup location
- D. Forward the file to the tenant's email for verification
Answer: B
NEW QUESTION # 35
Which component helps reduce the time to deploy multiple virtual services with similar configurations?
Response:
- A. Analytics template
- B. VS template
- C. Virtual service snapshot
- D. Application profile
Answer: B
NEW QUESTION # 36
Which two best practices should be followed when deploying IDPS across large-scale private cloud environments?
(Choose two)
Response:
- A. Tune detection signatures based on observed traffic patterns
- B. Enable logging for every rule regardless of impact
- C. Disable NSX Manager alerts to avoid false positives
- D. Use adaptive threat profiles based on workload risk level
- E. Apply identical rules to every tenant for uniform protection
Answer: A,D
NEW QUESTION # 37
Which three actions can NDR automation take in response to detected threats?
(Choose three)
Response:
- A. Reallocate memory to the affected VM
- B. Generate alerts and forward to SIEM
- C. Update firewall rules dynamically
- D. Delete the VM snapshot to free up space
- E. Quarantine the affected workload
Answer: B,C,E
NEW QUESTION # 38
Which of the following NTA (Network Traffic Analysis) detector does NOT require Learning mode?
- A. Horizontal Port Scan
- B. LLMNR/NBT-NS Poisoning and Relay
- C. Destination IP Profiler
- D. Unusual Network Traffic Pattern
Answer: B
Explanation:
VMware vDefend Network Traffic Analysis (NTA) uses different types of detectors. Some detectors require a "Learning Mode" to establish a baseline of what normal traffic looks like in your specific environment (e.g., Destination IP Profiler, Unusual Network Traffic Patterns) before they can flag anomalies. However, LLMNR/NBT-NS Poisoning and Relay is a well-known, specific attacker technique (often executed using tools like Responder to steal credentials). Because this is an inherently malicious and predictable protocol abuse, the NTA detector does not need to learn your environment's baseline to identify it; it can detect it out-of-the-box using predefined behavioral logic.
NEW QUESTION # 39
Which component plays a key role in enforcing distributed firewall policies across hypervisors in a private cloud environment?
Response:
- A. vCenter High Availability
- B. vSphere Lifecycle Manager
- C. NSX Policy Manager
- D. vSAN Data Plane
Answer: C
NEW QUESTION # 40
What is the primary function of vDefend Security Intelligence in planning application segmentation?
Response:
- A. Visualizes traffic flows and recommends segmentation policies
- B. Creates backup policies for NSX Manager logs
- C. Monitors compliance scores across ESXi hosts
- D. Automatically provisions firewall rules to external DNS servers
Answer: A
NEW QUESTION # 41
If you want to run Gateway IDS/IPS, what is the minimum Edge Form Factor size supported to run this feature?
- A. Large
- B. X-Large
- C. Medium
- D. Small
Answer: A
Explanation:
Gateway IDS/IPS is an incredibly resource-intensive service. Unlike basic stateful firewall rules that just check IP headers and ports, Gateway IDS/IPS performs complex Deep Packet Inspection (DPI) against thousands of threat signatures for heavy North-South perimeter traffic. Furthermore, it often handles TLS Inspection (Decryption), which requires massive CPU and memory allocations.
Because of these heavy computational requirements, VMware restricts the deployment of Gateway IDS/IPS to Edge Nodes deployed with a minimum form factor size of Large. Deploying this service on Small or Medium Edge nodes is unsupported, as they lack the compute resources and would immediately bottleneck data center traffic.
NEW QUESTION # 42
Which of the following are valid logon detection methods for IDFW? (Select all that apply)
- A. Single Sign On (SSO)
- B. Identity Access Management
- C. Guest Introspection
- D. Event Log Scrapping
Answer: C,D
Explanation:
The VMware vDefend Identity Firewall (IDFW) allows administrators to create distributed firewall rules based on Active Directory user identities rather than just IP addresses. To do this, vDefend must accurately map a user's login to a specific VM's IP address. It achieves this mapping through two primary supported logon detection methods:
Guest Introspection: An agent-based method utilizing VMware Tools installed on the guest OS to detect logons locally.
Event Log Scraping: An agentless method where vDefend integrates directly with Active Directory to scrape security event logs and track authentication events across the network.
NEW QUESTION # 43
Which of the following API actions are not valid?
- A. UPDATE
- B. DELETE
- C. GET
- D. POST
Answer: A
Explanation:
The VMware vDefend REST API strictly adheres to standard HTTP protocols and syntax. When interacting with an API endpoint to manipulate a security object, you must use standard HTTP verbs (methods).
Valid HTTP verbs include GET (to retrieve or read data), POST (to create new data), PUT (to replace data), PATCH (to partially modify data), and DELETE (to remove data).
While "Update" is a concept (represented by the letter 'U' in CRUD), UPDATE is NOT a valid HTTP verb or API action. If you attempt to send an HTTP request with the method UPDATE to the vDefend Manager, the API gateway will reject it with an error (typically a 405 Method Not Allowed or 400 Bad Request).
NEW QUESTION # 44
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