Video: Preparing for the National IT Olympiad (Bulgarian)

20 practice questions for the test of the National Olympiad in Information Technologies.

I gave the lecture as part of the Telerik School Academy

We discuss interesting topics such as the Windows registry, the .NET Framework, operating systems, drivers, file compression, encoding, screen resolution, projection in databases, software processes, OAuth, wireless network security, top-level domains, Gmail, HTTP, CMS systems, scripting languages and more.

Practice questions

Which of the following standard value types in the Windows registry is used to represent 32-bit numbers?

1. REG_NONE
2. REG_BINARY
3. REG_WORD
4. REG_DWORD
5. REG_LINK
6. REG_QWORD

What are the minimum components needed to build a .NET application?

1. .NET installed
2. Visual Studio
3. A cloud server
4. The SDK for the relevant kind of application installed
5. Web Server (IIS)
6. Windows OS

1. 1 and 2
2. 2 and 3
3. 1 and 2
4. 1 and 5
5. 1, 4 and 6
6. 1, 2 and 4
7. 1 and 4
8. None
9. All

Which of the following is NOT true of Windows services?

1. They run in the background
2. They can be started automatically, manually or on a given command
3. Any program can be run as a Windows service
4. Windows services are computer programs
5. They can run when the user is not logged in with their account

Which of the following statements is WRONG about optical and electrical cables?

1. Optical cables are more expensive than electrical ones
2. Optical cables are smaller and lighter than electrical ones
3. Unlike electrical cables, optical cables can be laid anywhere (there is no electromagnetic interference)
4. Optical cables cannot carry electricity

Which of the following are responsibilities of the drivers of an operating system?

1. Communication with the hardware
2. Watching for OS updates
3. Managing the file system
4. The users of the OS
5. The memory of the computer

1. 1 and 2
2. 2 and 3
3. 3 and 4
4. 1 and 3
5. 1 and 5
6. None
7. All

In continuous integration, which of the following actions is NOT appropriate for the CI server to do?

1. Storing the code
2. Automated builds of the code
3. Running unit tests
4. Automated backups of the production database
5. Deploying to a test environment
6. Static analysis of the code

Which of the following rows contains only lossless compression algorithms / file formats?

1. LZMA, JPEG, DEFLATE, MP3
2. MP2, DEFLATE, bzip2
3. bzip2, PNG, MP4
4. TIFF, PNG, LZMA, gzip
5. gzip, H.264, DEFLATE

Under what circumstances can the first text turn into the second one shown?

Hello, today we are going to talk about text processing and …

?????????, ???? ?? ?? ??????? ?? ??????????????? ? …

1. When the text file is saved incorrectly
2. When the file is loaded incorrectly
3. When the encoding of the text is changed
4. It cannot happen, Cyrillic is supported everywhere
5. All of the above
6. None of the above

How many pixels does a screen with 4K resolution consist of?

1. 35,389,440
2. 17,694,720
3. 8,847,360
4. 4,194,304
5. 4,000,000
6. 2,073,600
7. 921,600

Which of the following statements about software design methods is WRONG?

1. The waterfall model is a linear approach in which progress "flows" downwards through each of its design phases.
2. The main characteristic of the spiral model is the regular management of risk during the execution of a project.
3. The AGILE design methodology breaks tasks down into small subtasks with minimal planning and no direct long-term plan.
4. No version of the waterfall model allows returning to an earlier phase in the design process.
5. The AGILE model is based on iterative and incremental development.

Which is not true of OAuth 2.0?

1. It uses an access token to validate access to users' resources
2. It is designed to work with HTTP/HTTPS
3. It is backward-compatible with OAuth 1.0
4. It is used widely by Google and Microsoft for authentication with their services
5. It can be used for any kind of software

Which of the following facts about PowerPoint is NOT true?

1. It was created in 1984 under the name "Presenter"
2. Initially the idea of the program was to be software only for the Apple Macintosh
3. 95% of the users of presentation software use PowerPoint
4. Over 120 million people use PowerPoint for business presentations
5. It was created by Microsoft

How many bits are needed for each pixel in a black and white image?

1. 0
2. 1
3. 2
4. 3
5. 4
6. 8
7. 16
8. 32

Which of the following can serve to protect a wireless network from unauthorised access?

1. MAC Spoofing
2. Man-in-the-middle
3. Caffe Latte
4. Stealth Wallpaper
5. Denial of Service

Which of the following statements is correct about top-level domains?

1. The names of generic top-level domains (gTLD) consist of at least three letters
2. The names of country-code top-level domains (ccTLD) consist of exactly two letters
3. The top-level domain "it" refers to the field of information technologies
4. telerik.academy cannot be used as a domain

To which of the following addresses can you send an email so that nikolaykostov1990@gmail.com receives it?

1. nikolay.kostov.1990@googlemail.com
2. nikolaykostov1990+rss@gmail.com
3. NikolayKostov1990@gmail.com
4. To b) and c)
5. To a) and c)
6. To all of the listed
7. To none of the listed

Which of the following status codes corresponds to the error "HTTP Version Not Supported"?

1. 100
2. 200
3. 301
4. 302
5. 403
6. 404
7. 505

Which of the following CMS systems is based on Microsoft technology?

1. WordPress
2. Drupal
3. Django-cms
4. DotNetNuke
5. Joomla
6. RefineryCMS
7. MODx

Which of the following are true of scripting languages?

1. They compile to machine code
2. They are interpreted by a run-time environment
3. A modern name for some programming languages
4. They are used only for the web
5. Python and Ruby are such languages
6. JavaScript is not such a language

1. 1 and 3
2. 2 and 3
3. 2 and 5
4. 2, 5 and 6
5. 1 and 5
6. 5 and 6
7. 1, 5 and 6
8. All
9. None