[2025] Pass VMware 5V0-43.21 Exam Updated 88 Questions
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VMware NSX Advanced Load Balancer for Operators Skills certification exam is designed for experienced IT professionals who have a good understanding of networking and load balancing concepts. 5V0-43.21 exam tests an individual's knowledge of VMware NSX Advanced Load Balancer features, functionalities, and best practices. It covers topics such as load balancing algorithms, SSL offloading, application delivery rules, and global server load balancing.
NEW QUESTION # 12
Which setting should be configured to prevent source NAT of the client IP in the back-end connection?
- A. Connection Multiplexing in the Application Profile
- B. Proxy Protocol in the L4 Application Profile
- C. Preserve Client IP in the Application Profile
- D. X-Forwarded-For HTTP Header in the HTTP Application Profile
Answer: C
NEW QUESTION # 13
An administrator has attached a WAF Policy to their Virtual Service and starts getting reports from users that they are receiving a "403 Forbidden" error when trying to reach their application.
Which configuration would likely cause this issue?
- A. The WAF Policy is in enforcement mode.
- B. The WAF Policy has learning mode disabled.
- C. The WAF Policy signatures are disabled.
- D. The WAF Policy is in detection mode.
Answer: B
NEW QUESTION # 14
In Avi, what is the performance difference between RSA and EC certificates?
- A. EC provides less performance than RS
- B. Avi does not support EC certificates.
- C. EC provides greater performance than RSA.
- D. EC provides equivalent performance to RSA.
Answer: C
NEW QUESTION # 15
What are two benefits of EC certificates over RSA certificates? (Choose two.)
- A. Processing for ECC is less CPU-intensive than for RSA.
- B. ECC provides similar strength as RSA but with much smaller keys.
- C. RSA certificates cannot be used in certain countries.
- D. The certificates cost less money.
- E. Modern browsers no longer support RSA certificates.
Answer: A,B
NEW QUESTION # 16
An operator is troubleshooting reported performance problems for an HTTP Virtual Service and notices that the Server RTT in the End-to-End timing graph has recently increased significantly while Client RTT and App Response times have remained unchanged.
What can the operator deduce is the most likely explanation for the reported performance problems?
- A. A database server used by the application is experiencing a performance issue.
- B. One or more pool servers are experiencing very high CPU utilization.
- C. A networking issue has developed between the Service Engine and one or more pool servers.
- D. The Service Engine where the Virtual Service is placed has become overloaded.
Answer: B
NEW QUESTION # 17
Which configuration option requires enabling Switch to Advanced in the Service Port section of the Virtual Service Advanced Setup wizard?
- A. Enable SSL termination
- B. Disable port translation
- C. Enable service port ranges
- D. Enable multiple service ports
Answer: C
NEW QUESTION # 18
Which component in the Avi architecture hosts Virtual Services?
- A. Controller cluster
- B. Service Engine
- C. Single controller node
- D. API server
Answer: B
NEW QUESTION # 19
Which element of the End-to-End Timing graph identifies the average time taken for a web server to process a request, fetch content from a database, and generate the content?
- A. App Response
- B. Server RTT
- C. Total Time
- D. Data Transfer
Answer: A
NEW QUESTION # 20
Which approach CANNOT be used to redirect HTTP to HTTPS for a Virtual Service?
- A. Use a Network Security Policy
- B. Write a Datascript
- C. Select the System-Secure-HTTP Application Profile
- D. Use an HTTP Request Policy
Answer: C
NEW QUESTION # 21
Which persistence mechanism does NOT consume memory on the Service Engine?
- A. Client IP Persistence
- B. TLS Persistence
- C. HTTP Cookie Persistence
- D. App Cookie Persistence
Answer: A
NEW QUESTION # 22
Which scripting language is used to build a DataScript?
- A. Node.js
- B. o Python
- C. Tcl
- D. Lua
Answer: D
NEW QUESTION # 23
An operator has created a Virtual Service with pass-through SSL using the System-L4-Application profile to load balance a secure HTTP application. The web servers only accept connections via TLS on port 443. The operator configures the Pool with default port 443 and an HTTP Health Monitor.
With this configuration, all pool members are marked as down. However, the application owner has confirmed that the web servers are operational.
Which configuration change should the operator make to correct this error?
- A. Change the Application Profile in the Virtual Service to System-Secure-HTTP.
- B. Configure "Enable SSL" in the HTTP Health Monitor.
- C. Configure a Health Monitor of Type: HTTPS instead of Type: HTTP.
- D. Configure "Enable SSL" in the Pool configuration.
Answer: C
NEW QUESTION # 24
An operator configured a new content switch rule for HTTP Virtual Service and wants to check the logs on the Virtual Service level to verify that the rule was executed as expected. However, the request cannot be found in the logs.
Which action, if any, should the operator take so these logs can be seen?
- A. No action will work because if the logs are not visible, it means there are no requests from the client.
- B. Enable non-significant logs on the Virtual Service level.
- C. Enable non-significant logs on the Service Engine where Virtual Service is placed.
- D. Enable log headers option on the Virtual Service level.
Answer: A
NEW QUESTION # 25
Applications are being deployed in a hosted environment. The platform owner has a requirement to reduce infrastructure costs by allowing servers to be deprovisioned at times of lower load without impacting user traffic.
Which load balancing algorithm is specifically designed to support this requirement?
- A. Least Connections
- B. Fewest Servers
- C. Fewest Tasks
- D. Least Load
Answer: C
NEW QUESTION # 26
An administrator is tasked to enable a WAF Policy that was created by a fellow administrator in NSX Advanced Load Balancer.
How should this task be completed?
- A. Attach the policy to the Service Engine
- B. Associate the policy to the Pool
- C. Configure the policy in the Application Profile
- D. Enable the policy by associating it with a Virtual Service
Answer: D
NEW QUESTION # 27
Which three options can be configured via the HTTP Application Profile? (Choose three.)
- A. Rate limiting
- B. Caching
- C. HTTP cookie persistence
- D. PROXY Protocol
- E. X-Forwarded-For header
- F. Web Application Firewall
Answer: B,C,E
NEW QUESTION # 28
Which three properties are configurable for a Service Engine Group? (Choose three.)
- A. Analytics profile
- B. Load balancing algorithm
- C. Service Engine CPU and memory
- D. Auto rebalance policy
- E. SSL profile
- F. Real time metrics
Answer: A,B,D
NEW QUESTION # 29
The application team has requested that traffic destined for /downloads be sent to a different set of back-end servers than the rest of the traffic.
Which feature should be used to accomplish this goal?
- A. Pool Group priority
- B. Redirect to HTTPS action in an HTTP Security policy
- C. Content switch action in an HTTP Request policy
- D. Redirect action in an HTTP Request policy
Answer: C
NEW QUESTION # 30
In which situation would using the Advanced Setup mode of the "Create Virtual Service" wizard be required?
- A. When specifying analytics settings
- B. When determining the application type
- C. When adding servers as part of the Virtual Service creation
- D. When creating HTTPS Virtual Service type
Answer: C
NEW QUESTION # 31
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