[Feb 16, 2026] Pass4guide 6V0-21.25 dumps & VMware Certified Professional sure practice dumps
VMware 6V0-21.25 Actual Questions and Braindumps
NEW QUESTION # 54
Which three best practices should be followed when planning application segmentation using vDefend Security Intelligence?
(Choose three)
Response:
- A. Monitor workload behavior through Security Intelligence dashboards
- B. Validate segmentation changes in a staging environment first
- C. Apply broad firewall policies immediately after initial scan
- D. Disable logging to reduce overhead during planning phase
- E. Observe east-west traffic for several days before applying policies
Answer: A,B,E
NEW QUESTION # 55
How does the zero-trust security model apply to private cloud data centers?
Response:
- A. By using a perimeter firewall to secure the virtual environment
- B. By automatically allowing all north-south traffic
- C. By enforcing verification and least-privilege access at every level
- D. By eliminating the need for firewall policies altogether
Answer: C
NEW QUESTION # 56
Which two practices should be followed to ensure efficient rule processing in the vDefend firewall rulebase?
(Choose three)
Response:
- A. Disable all rule logging
- B. Place frequently hit rules at the bottom
- C. Group rules with common sources into one section
- D. Place deny rules above allow rules when appropriate
- E. Keep all rules in a single large section
Answer: C,D
NEW QUESTION # 57
Which two factors are typically used to create distributed firewall policies that protect lateral workload communication?
(Choose two)
Response:
- A. Storage policy affinity
- B. VM Tag or Security Group membership
- C. MAC address of the source VM
- D. Disk capacity of the destination VM
- E. Disk capacity of the destination VM
Answer: B,D
NEW QUESTION # 58
Which three types of traffic can be inspected and controlled by vDefend firewall policies in a distributed architecture?
(Choose three)
Response:
- A. Management traffic from vCenter
- B. vMotion traffic between hosts
- C. Internal application tier traffic
- D. North-south traffic to/from external clients
- E. East-west inter-VM traffic
Answer: C,D,E
NEW QUESTION # 59
Which two methods can be used to monitor the hit count for vDefend firewall rules?
(Choose two)
Response:
- A. NSX API
- B. vCenter High Availability panel
- C. vSphere Client Network tab
- D. NSX Manager UI
- E. Log Insight dashboards
Answer: A,D
NEW QUESTION # 60
Which feature of NTA/NDR assists with reducing false positives during threat detection?
Response:
- A. Disabling distributed firewall rules
- B. Randomly sampling port scans across clusters
- C. Using contextual data such as application behavior and workload metadata
- D. Applying uniform logging across all workloads
Answer: C
NEW QUESTION # 61
What is the primary function of the Malware Prevention capability within NSX?
Response:
- A. It logs all DNS lookups in the virtual network
- B. It detects and blocks malicious files in traffic passing through virtual workloads
- C. It enforces physical switch port security
- D. It backs up NSX configurations automatically
Answer: B
NEW QUESTION # 62
Which capability of vDefend helps simplify the creation of firewall rules based on VM context?
Response:
- A. Importing rules from the vSphere Events log
- B. Use of Logical Switch MACs
- C. Automatic policy tagging using VM metadata
- D. Manual host affinity mapping
Answer: C
NEW QUESTION # 63
What is the purpose of section-based rule organization in the vDefend firewall management console?
Response:
- A. It organizes firewall rules into logical blocks for easier administration and evaluation order
- B. It groups alerts by criticality for log inspection
- C. It enables NSX Manager to replicate rules across datastores
- D. It speeds up the deployment of physical firewall devices
Answer: A
NEW QUESTION # 64
Which of the following is NOT a characteristic that describes VMware vDefend Security?
Response:
- A. No network changes needed
- B. Application unaware
- C. Supports Policy automation
- D. Elastic scalability
Answer: B
NEW QUESTION # 65
Which feature differentiates the Gateway Firewall from the Distributed Firewall?
Response:
- A. It controls intra-VM traffic only
- B. It has no support for NAT or VPN functions
- C. It applies policies at the VM kernel level
- D. It enforces policies at the data center edge or routing layer
Answer: D
NEW QUESTION # 66
Which dashboard provides real-time visibility into firewall rule activity, service instance health, and security group membership?
Response:
- A. vSAN Health Monitoring Panel
- B. NSX Manager Security Overview Dashboard
- C. vSphere Performance Charts
- D. ESXi Host Web Client
Answer: B
NEW QUESTION # 67
How does the Identity Firewall help enforce Zero Trust principles?
Response:
- A. It automatically encrypts inter-VM traffic
- B. It disables all default firewall rules upon installation
- C. It creates centralized NAT policies for north-south traffic
- D. It maps network sessions to authenticated user identities for policy enforcement
Answer: D
NEW QUESTION # 68
Which component allows administrators to view intrusion detection alerts and threat severity in NSX?
Response:
- A. vSphere Host Web Client
- B. NSX Security Overview Dashboard
- C. vRealize Network Insight
- D. NSX Edge CLI
Answer: B
NEW QUESTION # 69
In the context of securing a private cloud, which two are considered best practices when designing workload isolation strategies?
(Choose two)
Response:
- A. Group workloads by function and apply role-based security policies
- B. Allow all traffic within a cluster to avoid unnecessary latency
- C. Use VLANs as the only method of segmentation
- D. Employ security groups tied to VM tags or attributes
- E. Disable logging on security rule sets for performance reasons
Answer: A,D
NEW QUESTION # 70
What is the primary role of a Gateway Firewall in a private cloud architecture?
Response:
- A. To apply policies to virtual desktop environments
- B. To monitor VM snapshot activity for security anomalies
- C. To inspect and control north-south traffic entering or leaving the data center
- D. To manage data deduplication and storage replication
Answer: C
NEW QUESTION # 71
What component must be enabled to perform flow-based behavioral analysis for NDR in NSX?
Response:
- A. NSX Edge Load Balancer
- B. NSX Intelligence
- C. vCenter Alarms
- D. NSX Federation Global Manager
Answer: B
NEW QUESTION # 72
Which three user roles or privileges can be assigned in NSX Manager to implement RBAC for firewall operations?
(Choose three)
Response:
- A. NSX Cloud Consumption Role
- B. Backup Administrator
- C. Network Engineer
- D. Security Admin
- E. Auditor
Answer: C,D,E
NEW QUESTION # 73
Which three types of contextual information can be used in vDefend's context-aware firewall policies?
(Choose three)
Response:
- A. Disk I/O patterns
- B. Operating system type
- C. Application-level traffic metadata
- D. User identity from directory services
- E. VM memory consumption
Answer: B,C,D
NEW QUESTION # 74
Which three benefits does rule publishing via NSX Policy Mode provide in vDefend firewall management?
(Choose three)
Response:
- A. Enables auto-scaling of compute clusters
- B. Supports declarative policy management
- C. Ensures consistent configuration across regions
- D. Reduces risk of configuration drift
- E. Allows section-level version control
Answer: B,C,D
NEW QUESTION # 75
Which two practices are recommended when designing an RBAC model for vDefend firewall operations?
(Choose two)
Response:
- A. Assign access based on physical host groupings
- B. Follow the principle of least privilege
- C. Define custom roles based on operational responsibilities
- D. Disable logging for users with "Read-Only" permissions
- E. Assign "Enterprise Admin" to all users for full access
Answer: B,C
NEW QUESTION # 76
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