Band Width Management in ISA Server

How to Control Bndwidth using ISA Server
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MS ISA Tools

Microsoft ISA Tools
ELM Enter Manager For ISA Server
Ideal Administration
ISA Server Feature Pack 2
ISA Server Service pack2
Languard for ISA Server 1.0
Microsoft BaseLine Security Analyzer
MS ISA Server 2000 Enterprise
MS ISA Server 2000 Standard
MSP Client for ISA server
Proxy Inspactor for ISA server


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Computer Questions for Basic Computer Users

Problem Solving
What is meant by problem solving?
Name the steps to solve any kind of problem
Define problem identification
What is meant by specify requirements?
What is analyzing the problem?
What is top down design?
What is an algorithm?
What is meant by desk checking?
What is a program?
Define flow chart?
What is coding?
What is syntax?
What is meant by test and debugging?
What is syntax error?
What is runtime error?
What is logical error?
What is meant by implement the program?
Write the guidelines for drawing a flow chart?
What are the advantages of flowchart?
What are the limitations or disadvantages of flow chart?

Protect Your Compter With A Firewall.



Protect Your Computer with a Firewall

Windows based computer i.e. MS Windows 98, MS Windows XP, MS Windows Vista etc. can be attacked in many ways. All Windows OS have many security holes. Not just with viruses, worms, or Trojan. Another most popular way to attack a Windows OS Computer is to attempt to communicate to it over any of the network “ports” found on Windows Computer. Ports is a kind of open door of your Computer OS house.




How Firewall Works?
Firewall monitor all the communication between your computer, Local Network and also on Internet. Firewall software well know what kinds of communication is allowed for you computer. Firewall software always ask you to if any Network or internet request come in your computer If you have good computer knowledge, then you allow the traffic when, any request come in your computer and ask for the permission. Most of the firewalls made for the consumer market are usually preconfigured and have maximum protection available in it.
If you have firewall is a hardware device connected to your network incoming traffice, or a software program in your computer, a firewall from the internet, while at the same time permitting any legitimate communication that you need to use your computer. The Hardware Firewall protect all the computers on a network, and software firewall only protects the Computer it is running on.

Basic Computer Questions for Beginner

Introduction to Computers
What is a computer
What is data
What is program
Give some examples of computer applications
What is abacus
What is Napier’s bones
What is Pascaline Calculator
What is Difference Engine
What is Analytical Engine
What is Punched Cards
What is Electronic Digital Computer (EDC)
What is Stored Program Technique
What is Very Large Scale Integration
Give the construction of Vacuum Tube
What are the disadvantages of Vacuum Tube
What is ENIAC
What is UNIVAC
Give advantages of Transistors
Name computers of 2nd generations
Give the characteristics of 2nd generation of computers
What is an IC
Name computers of 3rd generations
What is Microprocessor?
Name computers of 4th generations
What is the goal of 5th generations of computers
Name types of computers
What is Analogue Computer
What is Digital Computer
What is Hybrid Computer
Give classification of computers
What is Super Computer
Name some Super Computers
What is Mainframe Computer
Name some Mainframe Computers
What is Mini Computer
Name some Mini Computers
What is Micro Computer
What is Palmtop computer
What is Laptop computer
What is Desktop computer
What is the impact of computer and internet on society
What is the use of computer in Education
What is Virtual Classroom
What is the use of computer in Business
What is the use of computer in On-line Banking
What are the advantages of On-line Banking
What is Bar code (Universal Production Code)
What is computer simulation
What is the application of computer in Entertainment
What is a Program
Name types of computer languages
What is Low Level Language
What is High Level Language
What is Machine Language
What is Assembly Language
What is FORTRAN
What is BASIC
What were the design principles of Basic
What is COBOL
What is LISP
What is PASCAL
What is C and C++
What is VISUAL BASIC
What is JAVA
What are the main categories of all software
What is Assembler
What is Compiler
What is Interpreter

Computer Components
Name components of computer
What is computer Hardware?
What is computer software?
Name some hardware units
What is Input Unit?
What is Output Unit?
What is System Unit?
What is computer software?
Name major categories of computer software
What is System Software?
What is Application Software?
What is the organization of computer?
What is Central Processing Unit (CPU?)
What is Control Unit (CU?)
What is Arithmetic and Logic Unit (ALU?)
Name operations of ALU
Name conditions of Logical Operations
What is EQUAL TO condition
What is LESS THAN condition
What is GREATER THAN condition
What are registers
What is Clock Pulse
What is System Bus
Name different buses in computer system
What is Data Bus
What is Address Bus
What is Control Bus
Name types of Computer memory
What is main memory
What is secondary memory
What are peripheral devices
What are Ports
What is serial port
What is parallel port
What is USB port
Input/Output Devices
What are input devices
What are output devices
Name some input devices
Name some output devices
Name different classifications of keys of Keyboard
What are Alphanumeric keys
Want are numeric keys
What are function keys
What are Cursor Control Keys (Navigation Keys)
What are alphabet keys
What are number keys
What are special character keys
What is the function of ENTER key
What is the function of ESC key
What is the function of DELETE key
What is the function of CAPS LOCK key
What is the function of END key
What is the function of CTRL key
What is the function of ALT key
What is the function of TAB key
What is the function of BACKSPACE key
What is the function of PAGE UP and PAGE DOWN key
What is the function of HOME key
What is the function of INSERT key
What is the function of SPACEBAR key
What is a mouse
What is optical mouse
Name mouse events
What is left click event of mouse
What is right click event of mouse
What is drag event of mouse
What is Track ball
Differentiate between mouse and track ball
What are triggers?
What is joy stick
What is Scanner
What is OCR
What is microphone
What is voice recognition
What is Light pen
What is digital camera
What is disk drive
Name some output devices
What is monitor
What is resolution
What is monochrome monitor
What is color monitor
Name types of monitor
What is CRT (Cathode Rays Tube) monitor
What is Flat Panel Monitor
What is pixel (Picture Element)
What is Shadow Mask
What is LCD (Liquid Crystal Display)
What is video control
What is printer
Name types of printer
What is impact printer
Name some forms of impact printer
What is Dot Matrix printer
What is Daisy Wheel Printer
What is Line Printer
What is Non Impact Printer
Name some forms of non-impact printer
What is Laser Printer
What is Electro Thermal Printer
What is Electro Static Printer
What is Ink Jet Printer
What are Plotters
Name types of Plotters
What is Drum Plotter
What is Flat Bed Plotter
What is Electrostatic Plotter
What is CD-R
What is CD-RW



Storage Devices
Why does a computer need storage device?
Name basic types of storage devices of a computer
What is Main Memory?
What is Bit
What is nibble?
What is Byte?
What is RAM?
What operations can CPU perform on RAM?
What is READ OPERATION?
What is WRITE OPERATION?
Name technologies to Build RAM
What is DRAM?
What is SRAM?
What is CACHE MEMORY?
What are the advantages of CACHE MEMORY?
What are the disadvantages of CACHE MEMORY?
What are the main characteristics of RAM?
What is ROM?
Name types of ROM
What is PROM?
What is EPROM?
What is EEPROM?
How does memory work?
How CPU does reads data from memory
How does CPU write data to Main Memory?
What are memory measuring units?
What is LSB?
What is MSB?
What is secondary memory?
Give categories of secondary storage devices
What is Sequential Access?
What is Direct Access?
What is Serial Access?
What is Random Access?
What are the advantages of Floppy Disk?
What are the disadvantages of Floppy Disk?
Which actions take place when data is written on Disk?
Give advantages of hard Disk
Give disadvantages of hard disk
What is meant by capacity and performance of hard disks?
What is Data Rate?
What is Seek Time?
What are Tracks?
What are sectors?
What is formatting?
What is Low Level Formatting?
What is high Level Formatting?
What is rotational delay?
What is transfer delay?
What is access time?
What is CD?
What are the purposes of CD?
What is tape storage?
What is Parity Bit?
What is Even Parity?
What is Odd Parity?
What are the advantages of tape storage?
What are the disadvantages of tape storage?


Data and Information
1. What is DATA?
2. What is information?
3. Names types of DATA?
4. What is numeric DATA?
5. What is Alphabetic DATA?
6. What is Alphanumeric DATA?
7. What is number system?
8. What is Decimal number system?
9. What is Binary number system?
10. What is Octal Number system?
11. What is hexadecimal number system?
12. How will you represent signed numbers in binary number system?
13. What is 1’s complement method?
14. What is 2’s complement method?
15. What is fixed point representation?
16. What is floating point representation?
17. What is computer code?
18. What is ASCII?
19. What is Binary Coded Decimal (BCD)?
20. What is extended binary coded decimal interchange (EBCDIC)?
21. What is Unicode?






Boolean Algebra
1. What is Boolean Algebra?
2. What is the most important application of Boolean Algebra?
3. What is a proposition?
4. What is Truth Table?
5. Make the circuit of AND operator and show by Truth Table?
6. Make a circuit of OR operator and show by Truth Table?
7. Name Laws/ Theorems of Boolean Algebra?
8. What is CLOSE axiom of Boolean Algebra?
9. What is COMMUTATIVE axiom of Boolean Algebra?
10. What is DISTRIBUTIVE axiom of Boolean Algebra?
11. What is IDENTITY of Boolean Algebra?
12. What is COMPLEMENT axiom of Boolean Algebra?
13. What is ASSOCIATIVE axiom of Boolean Algebra?
14. What are Boolean constants?
15. What are Boolean variables?
16. What are Boolean Expressions?
17. What are Boolean Functions?
18. Define Idempotent Law of Boolean Algebra?
19. Define Additive and Multiplicative Law of Boolean Algebra?
20. Define Involution (Cancellation) Law of Boolean Algebra?
21. Define Absorption Law of Boolean Algebra?
22. Define De Morgan’s Law of Boolean Algebra?
23. What is Duality Principle?
24. What are the disadvantages of Boolean Algebraic Laws?
25. What are Literals?
26. What are Maxterms?
27. What are Minterms?
28. What is K-Map?
29. What are the advantages of K-Map?
30. What are the disadvantages of K-Map?

Computer Software
1. What is Computer Software?
2. Name types of software on the basis of functionality?
3. What is System Software?
4. What is Application Software?
5. What is Operating System (OS)?
6. What tasks OS can perform?
7. Name types of OS?
8. What are the functions of OS?
9. What is Command Line Interface (CLI) or Command Driven Interface (CDI)?
10. What is Graphical User Interface (GUI)?
11. What are Language Translators?
12. What is Assembler?
13. What is Compiler?
14. What is Interpreter?
15. What is DOS (Disk Operating System)?
16. What are the major tasks performed by DOS?
17. What are DOS files?
18. What are Batch Files?
19. What are Command Files?
20. What are Executable Files?
21. What are DOS commands?
22. What are internal commands of DOS?
23. What are external commands of DOS?
24. What are Wildcards?
25. Differentiate between COPY and XCOPY command of DOS?
26. Differentiate between DEL and DELTREE commands of DOS?

Introduction to WINDOWS
1. Name the main keywords associated with MS WINDOWS?
2. What are Disk Drives?
3. What are Folders (Directories)?
4. What is File Extension?
5. What is Icon?
6. Name features of WINDOWS?
7. What is Start Button?
8. What is Task Bar?
9. What is Windows Explorer?
10. What are the major functions of Mouse?
11. What are shortcuts?
12. What is Multitasking?
13. What is Windows Desktop?
14. What is task bar?
15. How will you start a program in Windows?
16. How will you open a recently used document?
17. How will you search/find files?
18. What are the steps for shutting down and restarting Windows?
19. How will you start Windows Explorer?
20. How will you create a folder?
21. How will you delete a file of folder?
22. How will you copy files of folders from floppy disk to other drives?
23. How will you rename a file of folder?
24. How will you use windows controls?
25. How will you change desktop background?
26. What is control panel?
27. How will you Add/Remove hardware?
28. How will you Add/Remove program?
29. What are Administrative tools?
30. How will you change Display settings?
31. How will you configure internet options?
32. How will you configure Keyboard settings?
33. How will you configure mouse settings?
34. How will you install printers?
35. How will you install Scanners and Cameras?
36. What is Computer Virus?
37. How does a computer get virus?
38. What is Antivirus?

Checking the Health of Your Computer Antivirus Software

Checking the Health of Your
Antivirus Software

After you locate the antivirus software on your computer, you need to “look under the hood” and see whether it appears to be operating properly. Until you are more familiar with your computer and its antivirus software, it’s not wise to assume that your antivirus software is configured and operating correctly. The steps you follow here will accomplish two things:

You will be confirming the important aspects of your antivirus software in order to determine if it’s working right. You will be discovering how your antivirus software is configured and how it operates on your computer. The next sections explain how to make your antivirus software open up and say, “Aaaaah.”


Step 1
Determining whether
your antivirus software
starts at bootup
When you start (“boot”) the computer, the computer’s startup instructions direct several features and programs to begin running. Here are some ways to figure out if antivirus software begins to run on your computer:

Check for a splash screen:
When some of these programs start, they display a splash screen on the computer’s monitor. A splash screen is sort of like a ten-second “look at me, I’m starting!” advertisement. Most, if not all, antivirus tools display some sort of a splash screen when they start. I have included some
antivirus program splash screens The absence of a splash screen does not conclusively
prove the absence of an antivirus program. Some antivirus programs do not have splash screens; also, some programs let you exclude the splash screen display. That said, if you see an antivirus splash screen, it’s a pretty good indicator that your computer has an antivirus program that starts when the computer is started.

_ Look for system-tray icons: The next thing to look for when checking the health of your antivirus software is to look for its system tray icon. The presence of a system tray icon is a pretty good indicator that the antivirus program not only started, but has managed to keep running. You’re not out of the woods yet, though.

Can you see the status: Now you need to see if you can coax the antivirus program to show you a detailed status and configuration screen. How to do this will vary somewhat depending on which antivirus software program is running on your computer. Here are a few things you can try:

Step 2: Determining the version
of antivirus software
On the splash screen, system tray icon, or desktop icon — or on the program’s status screen — you should see the brand name of the antivirus software. Or you can start the antivirus program and choose Help➪About. You want to get the version name and number of the software too. There are a couple of reasons to do this. If you know what make and version of antivirus software you have, you can visit the software maker’s Web site and get more information about the product: You can find help in the form of support information, frequently-asked questions, and how-to instructions for
operating the program. Also, in general, you can find answers to other questions when you know what make and version your antivirus software is. For instance, you may need to find out how to configure another program if part of that program’s configuration depends on which antivirus program you’re using.

Step-3

Figuring out when the last update occurred
The most important thing to figure out when you’re workingwith existing antivirus software is when the program’s virus definitions were last updated. Depending on which antivirus program you have, this might be displayed on the configuration screen. If not, it could be in Help➪About, or in the About option from the system tray. Every antivirus program displays this information a little differently. You gotta love the consistency between the different antivirus programs. If the date of the last update is within the past couple of weeks, then you can be pretty sure that your antivirus software is working okay, at least up to that date. Also, provided that your antivirus software is configured properly, you’ll be protected against all but the very latest viruses. If, on the other hand, the date of the last update is older than a few weeks, then you need to update your virus-definition
files as soon as possible Many antivirus programs will give you the dates of your most recent last update, last scan, and program version if you choose Help➪About.

Step 4: Figuring out when the last scan occurred
While you’re checking out your antivirus program, you also need to figure out when your computer was last scanned for viruses.
Like the date of the last virus-definitions file, the date of the last virus scan is important to know. However, the last scan date is not quite as important as the date of the virus-definition file
update. If the date of the last virus definition update and the date of the last scan are both more than a few weeks in the past, you may be several thousand viruses behind the times (this should not make you feel old). Update your virus definitions first, and then scan the computer for viruses.