1000 records of New India Insurance need to be transferred over a remote link from Jamnagar to Mumbai. Which of the following will deliver best performance?
Transfer all records in one batch send
Send one record at a time
Compress all 1000 records into one message and send
Compress one record at a time and send
Rise in page reads per sec indicates
Disk bottleneck
Memory bottleneck
Processor bottleneck
Network bottleneck
Rise in percentage of disk time indicates
I/O bottleneck
A sustained increase in memory utilization of a process after start up signals
Insufficient memory
Hardware issue
Leak
Improper configuration
Performance problems are more likely in
OS & HW
Database
Program
Design
Which of the following tool cannot be used to test the system's response times under load
OpenSTA
IBM Rational Performance Tester
JMeter
LoadRunner
WinRunner
Which of the following unix command is not used in performance analysis
vmstat
iostat
netstat
fsstat
A DBMS has a data cache hit ratio of 10%. What will you do to improve performance?
Change the application code
Do nothing
Run every query twice
Increase cache size significantly
A database of personal contacts is best implemented on
A mainframe
A Unix workstation
A personal computer
A massively parallel supercomputer
A claims processing system has had 5,000 requests made in the first hour and 4,900 requests have completed in the first hour. What is the number of requests pending in the claims processing system at the end of the first hour?
5000
100
4900
5