Infosys Certified Performance Engineering Professional
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Join Premium10 Infosys Certified Performance Engineering Professional practice questions with answers
Real Lex exam-pattern multiple-choice questions for the Infosys Certified Performance Engineering Professional certification. Each question includes the correct answer. The full question bank is available to Premium members.
- Question 1
QoS model includes
- ✓
Response times & Resource usage value
Correct - B
Scalability & Availability
- C
Both a & b
- D
None of the above
- ✓
- Question 2
By incorporating Performance Engineering at the start of SDLC(shift-left approach), Performance is responsibility of:
- ✓
Designer
Correct - B
Coder
- C
QA team
- D
All of the above
- ✓
- Question 3
The current application server CPU utilization of a logistics company website is 50% and the server is supporting 60 requests per second. Company is expecting 30% year on year growth. By when company has to procure a new server?
- ✓
Now
Correct - B
After one year
- C
After Two year
- D
After Three year
- ✓
- Question 4
What are the measurable quantities to derive in queueing network model (Select 3)
- ✓
The arrival rate (A)
Correct - B
The Utilization (U)
- C
The Mean service time (S)
- D
Packet Loss (L)
- ✓
- Question 5
Self-similar pattern looks chaotic in ____- range, but may have ___ range dependencies
- ✓
short and long
Correct - B
short and short
- C
long and long
- D
None of the above
- ✓
- Question 6
To have high level of customer satisfaction i.e. faster response times for “Batch Jobs Reporting” the recommended SLA
- ✓
1 week
Correct - B
4 days
- C
7 days
- D
~1 day
- ✓
- Question 7
How to avoid memory leaks
1. Increasing heap memory
2. Careful coding
3. Moving to cloud
4. Increasing threads
- ✓
1 and 2
Correct - B
1,2,3,4
- C
1 Only
- D
2 Only
- ✓
- Question 8
Key parameter(s) NOT considered for query performance tuning
- ✓
Cardinality of the Query
Correct - B
Full Table Scan
- C
Create / Drop Index
- D
None of the above
- ✓
- Question 9
What is Not True with the Exponential distribution
- ✓
It is used for modeling the behavior of items with a constant failure rate
Correct - B
Exponential distribution has slow decay characteristics.
- C
The exponential distribution is a commonly used distribution in reliability engineering
- D
Mathematically, it is a fairly simple distribution, which many times leads to its use in inappropriate situations
- E
None of the above
- ✓
- Question 10
HPROF heap snapshots feature is offered
- ✓
In JVM as a built-in feature
Correct - B
In JProfiler
- C
Both JVM and JProfiler
- D
None
- ✓
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