web technology Online Quiz - 35

PHP 6 introduced the (int64) casting operator for explicit 64-bit integer conversion, complementing existing type casts.

PHP identifiers (variables) are case-sensitive (e.g., $result is different from $Result), and they can be of any length. Thus, both statements are correct.

Static variables retain their values between function calls, unlike local variables which are reinitialized each time.

In PHP, the % operator is the modulus operator, which returns the remainder of division between two operands. For example, 10 % 3 returns 1. It is not used for percentage calculation (no built-in percentage operator), bitwise OR (that's |), or division (that's /).

HTML stands for HyperText Markup Language, which accurately describes its function of creating structured documents with hypertext links. Option A incorrectly omits 'up' from 'Markup,' while Option B incorrectly suggests it handles multiple languages and Option D focuses on hyperlinks rather than markup.

CSS stands for Cascading Style Sheets, where 'Cascading' refers to how style rules flow down through the document hierarchy. Option A incorrectly uses 'Cascade' instead of 'Cascading' and singular 'Sheet,' while Option C has the wrong acronym entirely and Option D contains a typo.

URL stands for Uniform Resource Locator, which specifies the address of a resource on the internet. Option A incorrectly uses 'Universal,' which is a common misconception - the official standard is 'Uniform.' Options B and D are clearly incorrect with 'unidentified' being inappropriate for addressing.

COBOL stands for Common Business-Oriented Language, designed specifically for business applications. The 'Common' indicates it was meant to be widely shared across systems, not 'Complete' or 'Completely' as options B and C suggest. Option D incorrectly uses 'Objective' instead of 'Oriented.'

DBMS stands for Database Management System, software that manages databases. Option A incorrectly splits 'Database' into two words and uses 'Software' instead of 'System.' Options C and D incorrectly insert 'Business,' which is not part of the standard acronym.

WWW stands for World Wide Web, which connects documents across the internet through hyperlinks. Option A incorrectly uses hyphens between words, while Option B adds 'site' which isn't part of the standard. Option D is clearly incorrect with 'Webbies' being nonsensical.

XML stands for 'eXtensible Markup Language' - a markup language designed to store and transport data in a structured, human-readable format. The 'X' comes from 'eXtensible' (with a lowercase E), emphasizing that users can define their own custom tags. Option B has the correct spelling. Option A uses 'X-TENSIBLE' incorrectly, and D adds a hyphen to 'Markup' and uses 'Languages' (plural).

RSS stands for Really Simple Syndication, a web feed format used to publish frequently updated content like blog entries and news headlines. It allows users to subscribe to websites and receive updates in a standardized format. The other options are incorrect variations that don't match the standard terminology.

SMO stands for Social Media Optimization, which involves optimizing social media content and profiles to increase visibility and engagement. It's distinct from SEO and focuses specifically on social platforms like Facebook, Twitter, and Instagram. The term refers specifically to social media, not search engines or general media.

ASP stands for Active Server Pages, a server-side scripting engine developed by Microsoft for creating dynamic web pages. It was the first server-side scripting language from Microsoft and paved the way for ASP.NET. The term specifically refers to Active not Application and Pages not Process.

JSP (JavaServer Pages) is a server-side technology that generates dynamic web content and is used for creating frontend user interfaces. EJB (Enterprise JavaBeans) handles server-side business logic, while JPA (Java Persistence API) manages database operations, making them backend technologies.

Bancs Treasury implements the Model-View-Controller (MVC) architecture, which separates application logic into three interconnected components. MVC is the most widely used architectural pattern for web applications, providing clean separation of concerns. MVVM is typically used in desktop and mobile applications with data binding, while MVA is a less common variant.

All three portfolio types are relevant in trading: HTM (Hold-to-Maturity) for securities held until maturity, AFS (Available-for-Sale) for securities that can be sold, and HFT (High-Frequency Trading) for rapid trading strategies. Each serves different investment objectives and risk profiles in financial markets.