What are the ways to access the Task Manager?

CTRL + ALT + DELETE

CTRL + SHIFT + ESC

Right click an empty area of the taskbar and click Task Manager

In Fedora, what does ps do?

Displays a snapshot of the running processes in Fedora

In Fedora, ps -e does what?

Shows all processes

In Fedora, the first process is?

init

In Fedora, ps -f does what?

Displays a full, detailed listing

What is ppid?

Parent process id

In Fedora, ps | grep user001 does what?

Shows the processes that contain the expression user001.

How do you end processes?

kill -9 PID

or

kill -sighup PID value

How do you access system monitor on Fedora?

Applications > system tools > system monitor

System monitor is to Fedora as ___ is to Windows?

Task manager

Which folder is not stored on the hard drive?

proc

In Fedora, top does what

shows the top processes using resources

In Fedora, top -d does what?

It adds a delay to the top command

In Fedora, top -n does what?

It displays # of iterations for top

In Fedora, what does free do?

It displays the amount of free and used memory in Fedora

In Fedora, what does uptime do?

A command that displays the amount of time a computer system is functioning and available for use

In Fedora, what does vmstat do?

A command that reports average values on process status, memory consumption, I/O operations, and CPU usage since the last reboot

What is a memory leak?

Unnecessary memory consumption caused by a process that is not properly releasing memory.

Leaks can diminish the performance of the computer

What is a baseline?

The level of performance that you can expect during typical computer usage

What is a bottleneck?

A performance problem that occurs when multiple processes are competing for the same resource

What does kill do?

A command that stops a process

What is PID?

Process ID

In Fedora, what is the /proc file system?

A command line reporting and control information system in Fedora. It is only stored in memory. It is used for system related tasks

What is a pseudo-file system?

A system that acts like a file system but is specially constructed to interface with specific areas in a system.

In Fedora, what does the watch free command do?

It is used to run a command repeatedly. 

(Choose all that apply)

1. Use Windows 7 task manager to _____

a. install Windows 7 application

b. provide information about programs running on your computer

c. display common performance measurements for process running on your computer

d. provide informatiuon about process running on your computer

b. provide information about programs running on your computer (page454)

c. display common performance measurements for process running on your computer (page454)

d. provide informatiuon about process running on your computer (page454)

2. The Run As feature in Windows 7 is similar to the ____ command in Fedora

a. run

b. go

c. su

d. runs

c. su (page454)

(Choose all that apply)

3. You can use the Run As feature in Windows 7 to ____

a. access system tools that require administrative privileges for execution

b. run an administrative tool to determine what caused a problem

c. run all applications in Windows 7

d. resolve a problem

a. access system tools that require administrative privileges for execution (page454)

b. run an administrative tool to determine what caused a problem (page454)

 (Choose all that apply)

4. Use the processes tab in Task Manager to view ____

a. the names of processes running on the computer

b. the processor

c. the memory usage

d. conflicts that are occuring

a. the names of processes running on the computer (page456)

c. the memory usage (page456)

5. In Fedora, you use the ___ command to list the running process

a. view

b. kill

c. ps

d. top

c. ps (page465)

6. In Fedora, you use the ___ command to stop processes

a. ps

b. kill

c. top

d. stop

b. kill (page456)

7. In Windows 7, disk usage statistics help ___

a. determine which application can't run on your system

b. determine whether upgrades are necessary

c. balance uploading to your virtual machine

d. balance the workload of your virtual machine

d. balance the workload of your virtual machine (page471)

(Choose all that apply)

8. You can use the /proc file system in Fedora to ____

a. view and modify run time parameters

b. view performance and memory information

c. view hardware information

d. view statistical information

a. view and modify run time parameters (page475)

b. view performance and memory information (page475)

c. view hardware information (page475)

d. view statistical information (page475)

(Choose all that apply)

9. In Fedora, the top command ____

a. monitors system statistics and displays them in real time

b. constantly updates console based output for the most CPU intensive processes that are running

c. is used to kill processes

d. is used to monitor processes

a. monitors system statistics and displays them in real time (page478)

b. constantly updates console based output for the most CPU intensive processes that are running (page478)

(Choose all the apply)

11. Frequent paging ___

a. is a normal occurrence

b. indicates that you may have a memory shortage

c. indicates that you have a lot of memory available

d. does not drain performance

b. indicates that you may have a memory shortage (page472)

(Choose all the apply)

12. High CPU usage is ___

a. indicated by a value that is consistently greater than 85 percent

b. an indication that the processor speed is inadequate

c. an indication that your system needs more RAM

d. indicated by a high rate of page file activity

a. indicated by a value that is consistently greater than 85 percent (page474)

b. an indication that the processor speed is inadequate (page474)

(Choose all that apply)

10. In Fedora, the top command ___

a. uses a large amount of memory

b. is mainly used for troubleshooting and tuning

c. is very efficient for viewing processes

d. should be kept running all the time

a. uses a large amount of memory (page479)

b. is mainly used for troubleshooting and tuning (page479)

13. A high rate of page file activity is ___

a. indicated by a value that is consistently greater than 85 percent

b. an indication that the processor speed is inadequate

c. an indication that your system needs more RAM

d. indicated by high CPU usage

c. an indication that your system needs more RAM (page472)

14. The GUI task management tool in Fedora is ___\

a. Task Management

b. System Monitor

c. GNOME System Tool

d. KDE System Monitor

b. System Monitor (page461)

15. Which of the following displays CPU related system information in System Monitor?

a. system tab

b. resources tab

c. processes tab

d. both the system and resources tabs

e. both the system and processes tabs

d. both the system and resources tabs (page462 & 465)

16. If you want to report a bug when u8sing the Automatic Bug Reporting Tool, which of the following should you use?

a. Bugzilla

b. Logger

c. Either Bugzilla or Logger

d. None of the above

c. Either Bugzilla or Logger (page486)

17. By default, the Windows 7 Performance Monitor displays the ____

a. %Disk Time

b. %Pocessor Time

c. Disk Reads/Sec

d. Disk Writes/Sec

b. %Pocessor Time (page469)

(Choose all that apply)

18. The Windows 7 Reliability Monitor tracks ____

a. hardware problems

b. software problems

c. changes to the computer

d. user errors

a. hardware problems (page484)

b. software problems (page484)

c. changes to the computer (page484)

(Choose all that apply)

19. Events monitored in the Windows 7 Reliability Monitor include ___

a. Windows updates

b. software installations and uninstalls

c. application hangs and crashes

d. disk and memory failures

a. Windows updates (page484)

b. software installations and uninstalls (page484)

c. application hangs and crashes (page485)

d. disk and memory failures (page485)

20. Reporting of events in the Windows 7 Reliability Monitor is delayed ___ hours

a. 8

b. 24

c. 48

d. 168

b. 24 (page486)

1. A ___ employs desktop computers that are capable of being both clients and servers.

a. client/server network

b. peer to peer network

c. LAN

d. WAN

e. VPN

a. client/server network

2. The four layers of the Internet Protocol Suite are aranged in the following order form top to bottom

a. application, internet, transport, network

b. application, transport, internet, link

c. link, internet, transport, application

d. applications, link, transport, network

b. application, transport, internet, link (page 498 & wikipedia)

(Choose all that apply)

3. TCP/IP normally requires which of the following setings to communicate on a routed network?

a. IP address

b. Supnet mask

c. Router address

d. DNS IP address

e. Web server address

a. IP address (page499)

b. Supnet mask (page523)

d. DNS IP address (page499)

4. ___ is a computer networking protocol used by hosts to retrieve IP address assignments

a. DNS

b. Workgroup

c. DHCP

d. Homegroup

c. DHCP (page499)

5. In Windows 7, the ___ command displays TCP/IP settings

a. DHCP

b. DNS

c. ifconfig -a

d. IPCONFIG/ALL

d. IPCONFIG/ALL (page499)

(Choose all that apply)

6. In Fedora, the ___ command displays TCP/IP settings

a. DHCP

b. DNS

c. ifconfig -a

d. nm-tool

e. IPCONFIG/ALL

c. ifconfig -a (page501)

7. In Windows 7, the ___ makes it easy to share libraries with a single password

a. peer to peer network

b. client/server

c. homegroup

d. workgroup

c. homegroup (page503)

8. In windows 7, the NET USE command maps a ___ to a shared folder

a. path

b. drive letter

c. homegroup

d. computer

b. drive letter (page506)

9. In Windows 7, the correct format for the UNC is ___

a. \\driveletter\sharename

b. \\servername\sharename

c. \\servername\driveletter

d. \\sharename\servername

b. \\servername\sharename (page505)

10. To securely share folders and files with required permissions in Windows 7, use the ___ file system

a. NT

b. FTS

c. FAT32

d. FAT

a. NT (page511)

11. Folder permissions are used to ___

a. keep pagin at a minimum

b. control access to folders and their files

c. maintain processors

d. control memory usage

b. control access to folders and their files (page513)

(Choose all that apply)

12. Which of the following statements is true of NTFS?

a. it is required to support NTFS permissions

b. Its permissions are not support by FAT16 and FAT32 file system

c. Its permissions are removed when a file folder is moved or copied to a FAT 16 or FAT32 formatted partition

d. Its permissions are supported by FAT16 and FAT32 file systems

a. it is required to support NTFS permissions (page513)

b. Its permissions are not support by FAT16 and FAT32 file system (page516)

c. Its permissions are removed when a file folder is moved or copied to a FAT 16 or FAT32 formatted partition (page516)

13. In Fedora, the file type is a ___ when the first bit in the permission column is a "-"

a. directory

b. socket

c. link

d. regular file

-rwxrwxrwx

d. regular file (page520)

14. In Fedora, the file type is a ___ when the first bit in the permission column is a d

a. directory

b. socket

c. link

d. regular file

a. directory (page520)

15. To switch to the superuser in Fedora, use the ___ command

a. su-

b. SU-

c. SUPERUSER

d. Superuser

a. su- (page508)

(Choose all that apply)

16. In windows 7, the shared folder permissions are ___

a. read

b. write

c. change

d. full control

a. read (page512)

c. change (page512)

d. full control (page512)

(Chooose all that apply)

17. In Windows, the NTFS file permissions are ___

a. read

b. write

c. change

d. full control

a. read (page513)

b. write (page513)

d. full control (page513)

18. When a file is moved to an existing folder on the same partition, the permissions ___

a. are copied with the folder

b. are inherited

c. must be rentered by the sdministrator

d. are ignored

b. are inherited (page516)

(Choose all that apply)

19. Fedora has permissions for ___

a. owner

b. user

c. group

d. everyone

a. owner (page520)

c. group (page520)

d. everyone (page520)

20. In Fedora, the r-x file and directory permissions represent ___

a. read only

b. read and change

c. read and execute

d. read and write

c. read and execute (page521)

What is /home ?

It is the user's home directory

It verbosely lists files procsssed

What are the 7 layers of the OSI model?

Physical, DataLink, Network, Transport, Session, Presentation, Application

Use this mnemonic if you are having trouble remembering

P-lease

D-o

N-ot

T-hrow

S-ausage

P-izza

A-way

What does DNS stand for?

Domain Name Server

A fixed IP address is called ___?

Static IP address

What assigns the dynamic IP address?

The DHCP server.

What does ping do?

Determines if there's a connection to another system

What does traceroute do?

It traces the connection.

What does dig stand for?

Domain Information Groper (This is what it says in Wikipedia but Prabakar insists it's DNS Information Groper)

chmod a-w filename does what?

remove write permission from all groups from filename

Review for exam #4

(True/False)

1.   The Fedora Automatic Bug Reporting Tool (ABRT) resides in the foreground and watches for application crashes.

False (ABRT resides in the background, page 486)

Review for exam #4

(True/False)

2.   The Internet Protocol Suite Network layer allows the IP to transfer packets across a link.

False (The Internet layer allows the IP to transfer packets across a link, Network layer links the computers, page 498)

Review for exam #4

3. 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   
b.    Run As

c.    Open With

d.    Send To

b.    Run As (page 454)

Review for exam #4

4.   The Windows 7 Task Manager ____ tab is not available to computer systems in a domain network.
a.    Users   
b.    Networking   

c.    Services

d.    Processes

a.    Users (page 456)

Review for exam #4

5.   From the Windows 7 Task Manager ____ tab, you can determine if a program is not responding.
a.    Processes   
b.    Applications

c.    Services

d.    Performance

b.    Applications (page 456)

Review for exam #4

6.   To stop a process, select the program and click the ____ button.
a.    End   
b.    Stop   

c.    Quit

d.    Exit

a.    End (page 457) 

Review for exam #4

7.   You use ____ to monitor active applications, view graphs, and manipulate the running applications on your Fedora computer.
a.    System Monitor
b.    Task Manager   

c.    System Manager

d.    /proc file system

a.    System Monitor (page 461)   

Review for exam #4

8.   Whenever a program or command is executed, the kernel assigns an identification number called a(n) ____ to the process.
a.    SUID (set user ID)   
b.    PID (process ID)

c.    GUID (set group ID)

d.    UID (User ID)

b.    PID (process ID) (page 465)   

Review for exam #4

9.   The /proc file system is known as a ____-file system, which directly interfaces with the kernel and is stored in memory.
a.    virtual
b.    logical

c.    Pseudo

d.    real

c.    Pseudo (page 475)

Review for exam #4

10.   Fedora provides peer-to-peer networking with ____, which is based on the common client/server protocol of Server Message Block (SMB).
a.    SOHO   
b.    Samba 

c.    DHCP

d.    POP3

b.    Samba (page 494) 

Review for exam #4

11.   The Internet Protocol uses unique addresses, simply called ____ addresses, to identify computers or devices in a network.
a.    IP
b.    UNC   

c.    standard

d.    DNS

a.    IP (page 497)  

Review for exam #4

12.   You can join an existing Windows 7 network workgroup, by default called ____, or you can create a new one.
a.    DEFAULTGRP   
b.    NETGRP   

c.    WORKGROUP

d.    GROUP

c.    WORKGROUP (page 503)

Review for exam #4

13.   To access a Fedora share, you must ____ the share.
a.    Mount   
b.    load   

c.    clean

d.    execute

a.    Mount (page 507)

Review for exam #4

14.   ____ are responsible for setting up shared printers on the network.
a.    Disk drive manufacturers   
b.    Managers   

c.    Users

d.    Network administrators

d.    Network administrators (page 509)

Review for exam #4

15.   Simply stated, a(n) ___ is a series of computer devices or nodes interconnected by communication paths.

network (page 494)

Review for exam #4

16.  ___ is a system of linked networks that are worldwide in scope and facilitate data communication services that permit access to the World Wide Web and e-mail.

The Internet (page 495)

Review for exam #4

17.   What is the top command used for in Fedora?

It displays  system statistics continuously in real time (page 478)

Review for exam #4

18.   Describe the two standards of IP addresses.

IPv4, which is 32 bits
IPv6, which is 128 bits and allows for longer address (page 498)

Review for exam #4

1) Show the screen output of the following code if it runs without any error

# PowerShell Loop
$MyList = (0,1,2,3,4,5,6,7,8,9)
Foreach ($Item in $MyList) {$Item + 1}

1

2

3

4

5

6

7

8

9

10

Review for exam #4

2) Show the screen output of the following code if it runs without any error

# Breaking down information
echo "Your information:"
$ID = "111-22-3434"
$ID.split("-")

111
22
3434

Review for exam #4

Bash shell script question
1) Assume that the code below is stored in a file called myLoop.sh.

Show the screen output of the following code
if it runs without any error as follows: sh myLoop.sh 5 10

#!/bin/sh
start=$1
end=$2
while [ $start -le $end ]
do
     echo "$start is _____ $end"
     start=`expr $start + 2`
done

5  is _____ 10
7  is _____ 10
9  is _____ 10