| Question |
Answer |
| Winforms vs. Webforms |
4 diffs: State Management: stateful/stateless; Rendering: GDI+/HTML; Deployment: client-side/server-side;Cross Platform: windows only/cross platform |
| abstract class vs interface |
abstract class provides standardization via interface and implementation while interface provides it via interface only |
| Design Pattern |
solution for a known problem |
| Name 3 Design Patterns |
MVP, Factory, Observer |
| What experience have you had with Factory pattern? |
Command Factory/RedPlum; Call Factory/WCRIBMA |
| What are web services |
software components that can be accessed over http |
| What is WSDL |
Web Services Description Language - describes the interface of the web service |
| How do you create stored procs |
create stored proc |
| What is normalization |
database design for eliminating duplication and structural problems for storing and retrieving data |
| What is an outer join |
joins two or more tables without requiring a matching record |
| authorization vs authentication |
authorization: what you have privileges for; authentication: who you are |
| overriding vs overloading |
overloading; enhancing a method to accept different parameter types; overriding: replacing or adding to base class method functionality |
| What is an interface |
describes services of an object |
| What is encapsulation |
hides data and implementation for an object behind a stable, simple interface in order to minimize the impact of changes to clients |
| What is inheritance |
Reusing base class functionality in derived classes |
| What is your experience working with teams |
Brassring: I worked on a team of 5-6 developers. I served as DBA. I developed the management console. And completed two modules in the internet app. |
| What is polymorphism |
ability of one type to appear as another |
| What is a virtual function |
a function whose behavior can be overridden |
| What is the difference between the machine.config and web.config |
Machine.config represents default setting for entire machine; Web.config represents specific application settings. |
| What does the .net garbage collector do? |
reclaims unused memory references |
| what is the difference between an abstract vs value type |
abstract types have pointers on the stack with values on the heap; value types are stored on the stack |
| What does ref in C# mean? |
refer to same variable that was passed in to method; any changes in method will be reflected in the variable after method call. |
| What is a partial class? |
partial definition of a class; full definition is split across multiple files |
| What is a strong name? |
globally unique assembly identity: text name+ version+culturepublic key+digital sig |
| What is DOM? |
Document Object Model - provides an object based representation of xml and html documents |
| What is CSS? |
cascading style sheets - describes the presentation of a document written in a markup language |
| What is the difference between classic ASP and ASP.Net? |
Programming model: ASP.Net - event driven; ASP - procedural |
| What is code-behind? |
code in a script tag or separate file used to respond to events generated in asp.net page |
| What is a postback? |
posting the same page back to the server after after its initial creation |
| When does an aspx page compile? |
Depends on the compilation model: 1. Website - on its inital request on the fly after the request is authenticated and authorized via IIS and ASP.Net 2. Web Application Model - on 1st page request. 3. PreCompilation Model - on deployment |
| How does ViewState work? |
page-level state management - the values of the page controls are maintained across postbacks |
| What is XSD? |
XML Schema Definition |
| When creating web services in .net, do you need to explicitly define a wsdl? |
no. reference the web service will create the wsdl for you |
| What is the purpose of wsdl.exe |
creates client a proxy for a web service |
| What is the purpose of xsd.exe? |
generates xml schema |
| What is purpose of a web proxy? |
provides means for a client to interact with a web service |
| What are the different types of indexes on SQL Server? |
clustered, non-clustered, unique |
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