Google IT Automation with Python Professional Certificate • STUDY MODE
UNDERSTANDING SLOWNESS
QUESTION 1 OF 8
Which of the following will an application spend the longest time retrieving data from?
Right on! An application will take the longest time trying to retrieve data from the network.
A
CPU L2 cache
B
RAM
C
Disk
D
The networkCorrect Answer
QUESTION 2 OF 8
Which tool can you use to verify reports of 'slowness' for web pages served by a web server you manage?
Great work! The ab tool is an Apache Benchmark tool used to figure out how slow a web server is based on average timing of requests.
A
The top tool
B
The ab toolCorrect Answer
C
The nice tool
D
The pidof tool
QUESTION 3 OF 8
If our computer running Microsoft Windows is running slow, what performance monitoring tools can we use to analyze our system resource usage to identify the bottleneck? (Check all that apply)
Excellent! Performance Monitor is a system monitoring program that provides basic CPU and memory resource measurements in Windows.
Nice job! Resource Monitor is an advanced resource monitoring utility that provides data on hardware and software resources in real time.
A
Performance MonitorCorrect Answer
B
Resource MonitorCorrect Answer
C
Activity Monitor
D
top
QUESTION 4 OF 8
Which of the following programs is likely to run faster and more efficiently, with the least slowdown?
Nice work! Since RAM access is faster than accessing a disk or network, a program that can fit in RAM will run faster.
A
A program with a cache stored on a hard drive
B
A program small enough to fit in RAMCorrect Answer
C
A program that reads files from an optical disc
D
A program that retrieves most of its data from the Internet
QUESTION 5 OF 8
What might cause a single application to slow down an entire system? (Check all that apply)
Woohoo! Memory leaks happen when an application doesn't release memory when it is supposed to.
Awesome! If files generated by the application have grown overly large, slowdown will occur if the application needs to store a copy of the file in RAM in order to use it.
A
A memory leakCorrect Answer
B
The application relies on a slow network connection
C
Handling files that have grown too largeCorrect Answer
D
Hardware faults
QUESTION 6 OF 8
When addressing slowness, what do you need to identify?
Woohoo! The bottleneck could be the CPU time, or time spent reading data from disk.
A
The bottleneckCorrect Answer
B
The device
C
The script
D
The system
QUESTION 7 OF 8
After retrieving data from the network, how can an application access that same data quicker next time?
You nailed it! A cache stores data in a form that's faster to access than its original form.
A
Use the swap
B
Create a cacheCorrect Answer
C
Use memory leak
D
Store in RAM
QUESTION 8 OF 8
A computer becomes sluggish after a few days, and the problem goes away after a reboot. Which of the following is the possible cause?
Awesome! A program keeping a state without any change can slow down a computer up until it is rebooted.
A
Files are growing too large.
B
A program is keeping some state while running.Correct Answer
C
Files are being read from the network.
D
Hard drive failure.
Ready to test your recall?
Which of the following will an application spend the longest time retrieving data from?
Right on! An application will take the longest time trying to retrieve data from the network.