Chapter 10 Occurs when the virtual machine accesses the hard drive to store

Document Type
Test Prep
Book Title
Guide to Parallel Operating Systems with Windows 7 and Linux (Networking) 2nd Edition
Authors
Ron Carswell, Shen Jiang, Terrill Freese
Chapter 10: Operating System Management
TRUE/FALSE
1. The Windows 7 Task Manager Networking tab only appears when a network card is present.
2. Child processes spawn parent processes.
3. A low rate of page file activity indicates that more RAM is required.
4. Disk access is much slower than RAM (random access memory).
5. The Fedora 13 Automatic Bug Reporting Tool (ABRT) resides in the foreground and watches for
application crashes.
MULTIPLE CHOICE
1. In Windows 7, you can use the ____ feature to access system tools that require administrative
privileges and determine the cause of a problem.
a.
Author
c.
Open With
b.
Run As
d.
Send To
2. The Windows 7 Task Manager ____ tab is not available to computer systems in a domain network.
a.
Users
c.
Services
b.
Networking
d.
Processes
3. From the Windows 7 Task Manager ____ tab, you can determine if a program is not responding.
a.
Processes
c.
Services
b.
Applications
d.
Performance
4. In the Processes tab of Task Manager, the ____ tab displays the “working set” of a process, or the
amount of memory it is actively using.
a.
Virtual Memory Size
c.
Memory Usage
b.
Peak Memory Usage
d.
Page Faults
5. To stop a process, select the program and click the ____ button.
a.
End
c.
Quit
b.
Stop
d.
End Process
6. The ____ program creates a virtual DOS machine to run DOS programs.
a.
dos.exe
c.
ntvdm.exe
b.
dos.cmd
d.
ntvdm.cmd
7. You use ____ to monitor active applications, view graphs, and manipulate the running applications on
your Fedora 13 computer.
a.
System Monitor
c.
System Manager
b.
Task Manager
d.
/proc file system
8. The four tabs in the Fedora 13 System Monitor are System, Processes, Resources, and ____.
a.
Users
c.
File Systems
b.
Networking
d.
Applications
9. Whenever a program or command is executed, the kernel assigns an identification number called a(n)
____ to the process.
a.
SUID (set user ID)
c.
GUID (set group ID)
b.
PID (process ID)
d.
UID (User ID)
10. The first number in the Fedora 13 ps display indicates the ____ PID.
a.
child
c.
sibling
b.
parent
d.
cousin
11. When you use the ____ option, the kill command is considered stronger.
a.
-9
c.
0
b.
-1
d.
10
12. The kill command that sends a signal to “hang up” a process and clean up associated processes has
the form: kill ____.
a.
-SIGHUP PID
c.
-SIGKILL PID
b.
-9 PID
d.
PID
13. If the % Processor Time counter’s value continually exceeds ____ percent, you might need to upgrade
the processor.
a.
55
c.
75
b.
65
d.
85
14. If the value of the Performance Monitor % Disk time counter exceeds 90 percent, check the ____.
a.
Avg. Disk Bytes/Read
c.
Current Disk Queue Length
b.
Avg. Disk Bytes/Transfer
d.
Disk Bytes/sec
15. The number of ____ that a disk can accomplish per second should not exceed the manufacturer’s
specifications.
a.
swaps
c.
start-ups
b.
writes
d.
rotations
16. The ____ counter indicates the amount of memory that is left after operating system allocations.
a.
Cache Bytes
c.
Pages/sec
b.
Available Mbytes
d.
Page Faults/sec
17. If the Pages/sec counter in the System Monitor exceeds ____, you need to analyze paging activity.
a.
10
c.
20
b.
15
d.
35
18. A sustained processor queue of less than ____ threads per processor is normally acceptable.
a.
10
c.
20
b.
15
d.
25
19. The /proc file system is known as a ____-file system, which directly interfaces with the kernel and is
stored in memory.
a.
virtual
c.
pseudo
b.
logical
d.
real
20. To use the Fedora 13 free command, simply type ____.
a.
top
c.
vmstat
b.
free
d.
watch free
21. Which Fedora 13 vmstat basic field provides the percentage of total processor time consumed by the
kernel?
a.
procs
c.
sy
b.
us
d.
id
COMPLETION
1. A program with an abnormally high CPU value could be hung, or a program with an extremely large
amount of memory usage might have a memory ____________________, meaning that a process uses
memory without bounds.
2. A(n) ____________________ is anything that slows down a virtual machine’s performance.
3. The Windows 7 ____________________ is an advanced tool that measures hardware and software
problems and other changes to your computer.
4. The ____________________ Index rating gives you a visual indication of how reliably your system
performs over time.
5. The Windows 7 Reliability Monitor retains data for up to a(n) ____________________ so you can see
how your system has been performing over time.
MATCHING
Match each item with a statement below.
a.
System Monitor
f.
Task Manager
b.
winhelp
g.
vmstat command
c.
reliability events
h.
paging
d.
baseline
i.
ps command
e.
/proc file system
1. Provides information about the programs and processes running on your Windows 7 computer.
2. Lists the Fedora 13 system processes that are running, identifies who owns them, and shows the
amount of system resources being used.
3. The Fedora 13 task management tool.
4. Occurs when the virtual machine accesses the hard drive to store or retrieve a memory page.
5. A Fedora 13 command-line reporting and control information system.
6. A Fedora 13 command that reports on process status, memory consumption, paging activity, I/O
operations, and CPU usage.
7. The level of performance you can reliably expect during typical usage and workloads.
8. Changes to your system that could alter its stability or other events that might indicate system
instability.
9. A 16-bit Windows 3.1 legacy program.
SHORT ANSWER
1. Describe the two ways to start the Windows 7 Task Manager on a virtual machine.
2. How is the Processes tab in the Windows 7 Task Manager used?
3. Which Windows 7 Task Manager set of process data selections are the most essential for day-to-day
use?
4. How do you investigate whether a running service is tied to a particular process?
5. How is the kill command used in Fedora 13?
6. What are the advantages of using the performance-monitoring tools in Windows 7 and Fedora 13 for
real-time and periodic observation?
7. What type of Fedora 13 system-related tasks is the /proc file system used for?
8. What is the top command used for in Fedora 13?
9. What is the free command used for in Fedora 13?
10. Describe the Windows 7 Stability Index.

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