Free VMware 5V0-43.21 Practice Test & Real Exam Questions

Exam Code/Number: 5V0-43.21
Exam Name/Title: VMware NSX Advanced Load Balancer for Operators Skills
Certification Provider: VMware
Corresponding Certification: VMware Certification

Exam Questions: 88
Updated On: Sep 29, 2026

Question #1

An operator suspects that the currently deployed Service Engines are undersized and is concerned about the impact of that situation. They are configured with 1 vCPU and 2 GB RAM.
Why is the operator concerned?

A. Additional Virtual Services could not be placed

B. SSL throughput would be affected

C. Operator would be unable to login to NSX Load Balancer Admin console

D. Client connections would be redirected to another pool

Discussion 0

Correct Answer: D Vote an answer

Question #2

Which condition is not supported with an Elastic Scale High Availability mode?

A. Maintaining original client source IP to the back-end server pool

B. Buffer Service Engines for high availability

C. Auto Scaling of Virtual Services

D. Layer 3 / ECMP scale out

Discussion 0

Correct Answer: D Vote an answer

Question #3

Which two mechanisms for alerting an operator that an SSL/TLS certificate is about to expire are enabled by default? (Choose two.)

A. The Avi Controller will send an email to alert the operator.

B. The Avi Controller will send an SNMP trap to alert the operator.

C. In Template/Security/SSL TLS Certificates, the certificates that are about to expire will appear in yellow, orange, or red.

D. The Health Score of the VS will be lowered by a security penalty.

E. Health Score of VS which contain an expired SSL/TLS certificate will show up at the top in the Application Dashboard.

Discussion 0

Correct Answer: A,C Vote an answer

Question #4

A Service Engine on which the Virtual Service is placed is experiencing a high level of memory utilization, but users of the application are not experiencing any issues.
What impact, if any, will this have on the Health Score of the Virtual Service?

A. The Resource Penalty will be increased.

B. The Virtual Service's Health Score will not be impacted.

C. The Performance score will be reduced.

D. The Security Penalty will be increased.

Discussion 0

Correct Answer: C Vote an answer

Question #5

An operator has noticed that the Avi GUI is very slow.
Which reason explains this slowness?

A. Caching has been enabled for multiple busy VSs.

B. Log all headers and Non-significant logs options have been enabled for multiple busy VSS.

C. Compression has been enabled for multiple busy VSs.

D. Two different clouds have been configured in this Avi Controller.

Discussion 0

Correct Answer: C Vote an answer

Question #6

All Pool resources are "Down" and not available, but the Virtual Service port is still responding.
The operator would like the VS port to not respond when there are no Pool resources available.
Which configuration will cause this response?

A. Virtual Service -> Settings -> "Ignore reachability constraints for server pool"

B. Pool -> Settings -> "Ignore reachability constraints for server pool"

C. Pool -> Advanced -> "Remove listening port when VS is down"

D. Virtual Service -> Advanced -> "Remove listening port when VS is down"

Discussion 0

Correct Answer: B Vote an answer

Question #7

The network operations team has found that the CPU utilization of their Service Engines has increased greatly since enabling Web Application Firewall (WAF), and this has been causing increased application latency.
Which two WAF features should be used to improve WAF performance for this application? (Choose two.)

A. Create allow list bypass rules

B. Increase the memory of the Service Engines

C. Change the WAF policy to detection mode

D. Use a different Core Rule Set

E. Write Positive Security Model rules

Discussion 0

Correct Answer: D,E Vote an answer

Question #8

An operator observes that the health score for a Virtual Service has reduced. When hovering over the health score popup, the operator sees a Security Penalty of -20 has been applied.
Which issue should be investigated as the most likely cause of this reduced score?

A. The Pool has been configured with an HTTP health monitor rather than an HTTPS health monitor.

B. The SSL certificate attached to the Virtual Service will expire within the next 30 days.

C. The CPU utilization of the Service Engine on which the Virtual Service is placed is exceeding 80%.

D. The WAF Policy has not been configured with Positive Security rules.

Discussion 0

Correct Answer: B Vote an answer

Question #9

An operator has been asked to troubleshoot a highly busy VS in collaboration with the application team.
Which mechanism can be leveraged to avoid a performance issue on the Avi Controller during this process?

A. Enabling a Client Log Filter to log only the IP(s) of the application team

B. Modifying the Apdex Criteria in the analytics profile of this VS

C. Selecting Client Insights and setting to Passive

D. Adding a performance boost in the analytics profile of this VS

Discussion 0

Correct Answer: C Vote an answer

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