This PL-300 practice question tests your understanding of model the data. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
You are modeling data with a many-to-many relationship between 'Student' and 'Class' tables. Which THREE configurations can handle this scenario?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Use CROSSFILTER function to enable many-to-many filtering
Options A, B, and C are correct. Option A uses a bridge table which is the standard approach. Option B uses a calculated column concatenation for limited scenarios. Option C uses CROSSFILTER to enable many-to-many filtering. Option D is wrong because removing duplicates loses information. Option E is wrong because changing to one-to-many incorrectly assumes uniqueness.
Key principle: NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✓
Use CROSSFILTER function to enable many-to-many filtering
Why this is correct
Allows filtering across both tables.
Related concept
Static NAT maps one inside address to one outside address.
✗
Remove duplicate rows from both tables
Why it's wrong here
Removing duplicates loses data.
✓
Create a bridge table with StudentID and ClassID
Why this is correct
Standard relational modeling technique.
Related concept
Static NAT maps one inside address to one outside address.
✗
Change relationship to one-to-many by creating a unique key
Why it's wrong here
Not possible if data truly has many-to-many.
✓
Use a calculated column to concatenate Class names in the Student table
Why this is correct
Works for simple scenarios like listing classes.
Related concept
Static NAT maps one inside address to one outside address.
Common exam traps
Common exam trap: NAT rules depend on direction and matching traffic
NAT is not only about the public address. The inside/outside interface roles and the ACL or rule that matches traffic are just as important.
Detailed technical explanation
How to think about this question
NAT questions usually test address translation, overload/PAT behaviour, static mappings and whether the right traffic is being translated. Read the interface direction and address terms carefully.
KKey Concepts to Remember
Static NAT maps one inside address to one outside address.
PAT allows many inside hosts to share one public address using ports.
Inside local and inside global describe the private and translated addresses.
NAT ACLs identify traffic for translation, not always security filtering.
TExam Day Tips
→Identify inside and outside interfaces first.
→Check whether the scenario needs static NAT, dynamic NAT or PAT.
→Do not confuse NAT matching ACLs with normal packet-filtering intent.
Key takeaway
NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Real-world example
How this comes up in practice
A cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
What to study next
Got this wrong? Here's your next step.
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related PL-300 NAT questions on configuration and troubleshooting.
Model the data — This question tests Model the data — Static NAT maps one inside address to one outside address..
What is the correct answer to this question?
The correct answer is: Use CROSSFILTER function to enable many-to-many filtering — Options A, B, and C are correct. Option A uses a bridge table which is the standard approach. Option B uses a calculated column concatenation for limited scenarios. Option C uses CROSSFILTER to enable many-to-many filtering. Option D is wrong because removing duplicates loses information. Option E is wrong because changing to one-to-many incorrectly assumes uniqueness.
What should I do if I get this PL-300 question wrong?
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related PL-300 NAT questions on configuration and troubleshooting.
What is the key concept behind this question?
Static NAT maps one inside address to one outside address.
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Question Discussion
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