Exam 70-528: Web-Based Client Development - Tracing And Optimizing Applications

Front 1

What configuration element contains Health-monitoring settings?

Back 1

healthMonitoring

Front 2

What configuration element contains information about types of web events?

Back 2

healthMonitoring/eventMappings

Front 3

What configuration element contains information about event listeners?

Back 3

healthMonitoring/providers

Front 4

What configuration element contains information about provider event subscription?

Back 4

healthMonitoring/rules

Front 5

How can a web event be disabled?

Back 5

Remove all references to the event from the rules configuration section.

Front 6

What are the benefits of using event buffering when using health monitoring events?

Back 6

1. Helps reduce the impact on application performance of sending frequent e-mail messages or performing frequent SQL server insertions.
2. Protects the SMTP server and SQL Server from heavy loads due to high event volume.

Front 7

What configuration element can be used to clear all health monitoring rules?

Back 7

healthMonitoring/rules/

<clear />

Front 8

What class defines the base class for the ASP.NET health monitoring events?

Back 8

WebBaseEvent

Front 9

What is the base class for non buffered event providers?

Back 9

WebEventProvider

Front 10

What is the base class for buffered event providers?

Back 10

BufferedWebEventProvider

Front 11

What are the two groups of performance counters supported by ASP.NET?

Back 11

1. System
2. Application

Front 12

What class can be used for both reading existing predefined or custom counters and publishing performance data to custom counters?

Back 12

System.Diagnostics.PerformanceCounter

Front 13

What property can be used to set or retrieve the uncalculated value of a performance counter?

Back 13

PerformanceCounter.RawValue

Front 14

What method can be used to retrieve the next calculated value that the system obtains for a performance counter?

Back 14

PerformanceCounter.NextValue

Front 15

What attribute of the @Page directive can be used to enable tracing in a web page?

Back 15

Trace (Defaults to false)

Front 16

What attribute of the @Page directive can be used to control the order in which trace messages are displayed?

Back 16

TraceMode (Defaults to SortByTime)

Front 17

What are the two types of trace modes for a page?

Back 17

1. SortByTime
2. SortByCategory

Front 18

What takes precedence, the Trace attribute in a @Page directive or attributes in a trace configuration element?

Back 18

Trace attribute in a @Page directive

Front 19

What configuration element can be used to enable application level tracing for a website?

Back 19

trace

Front 20

What attribute, of the trace configuration element, specifies whether page output is rendered at the bottom of a page or not at all?

Back 20

pageOutput

Front 21

What attribute, of the trace configuration element, specifies the number of trace requests to store on the server?

Back 21

requestLimit (defaults to 10)

Front 22

What attribute, of the trace configuration element, allows application-level trace information to be visible from remote computers?

Back 22

localOnly (default is true)

Front 23

What property can be used to get the TraceContext for the current web request or to write custom trace messages to the ASP.NET trace output?

Back 23

Page.Trace

Front 24

What method can be used to write messages to the trace log that will be rendered as red text?

Back 24

TraceContext.Warn

Front 25

What two methods can be used to write trace information to the trace log?

Back 25

1. TraceContext.Write
2. TraceContext.Warn

Front 26

What are two ways to view trace output?

Back 26

1. In the page
2. In the Trace Viewer (trace.axd)

Front 27

How can System.Diagnostics trace output be displayed in the trace output for an ASP.NET page?

Back 27

1. Add a WebPageTraceListener
2. Compile the code that calls System.Diagnostics.Trace with the TRACE compiler switch enabled

Front 28

What two caching mechanisms are provided by ASP.NET?

Back 28

1. Application
2. Page Output

Front 29

What are two ways to configure page caching?

Back 29

1. Individually for each page
2. Create cache profiles in the Web.config file

Front 30

What two models of page caching are available?

Back 30

1. Full page caching
2. Partial page caching

Front 31

What are two ways partial page caching can work?

Back 31

1. Control caching
2. Post-cache substitution

Front 32

What are the main concepts of control caching, when using partial page caching?

Back 32

1. The page is not cached
2. Specific page content is cached

Front 33

What are the main concepts of post-cache substitution, when using partial page caching?

Back 33

1. The page is cached
2. Specific page content is not cached

Front 34

What are the two types of expiration policies that can be applied to items stored in the cache?

Back 34

1. Sliding
2. Absolute

Front 35

What directive can be used to declaratively control the output caching policies of an ASP.NET page or a user control contained in a page?

Back 35

@OutputCache

Front 36

What attribute, of the @OutputCache directive, can be used to specify the time, in seconds, that the page or user control is cached?

Back 36

Duration

Front 37

What attribute, of the @OutputCache directive, can be used to specify a semicolon-separated list of strings used to vary the output cache of a page?

Back 37

VaryByParam

Front 38

What attribute, of the @OutputCache directive, can be used to specify a semicolon-separated list of strings used to vary a user control's output cache?

Back 38

VaryByControl

Front 39

What configuration element can be used to create cache profiles for application-level caching?

Back 39

outputCacheSettings/outputCacheProfiles

Front 40

What attribute, of the @OutputCache directive, is used to specify where the output cache for a page is stored?

Back 40

Location

Front 41

What property can be used to retrieve the caching policy (HttpCachePolicy) of a web page?

Back 41

Response.Cache

Front 42

What method can be used to set the Cache-Control HTTP header for a page?

Back 42

HttpCachePolicy.SetCacheability

Front 43

What attribute, of the @OutputCache directive, can be used to specify the name of a caching profile for a page to use?

Back 43

CacheProfile

Front 44

What method can be used to programmatically set the expiration time for a page?

Back 44

HttpCachePolicy.SetExpires

Front 45

What method registers a callback allowing custom logic to be executed when checking the validity of a chached page?

Back 45

HttpCachePolicy.AddValidationCallback

Front 46

What are the possible return values from a cache validation handler?

Back 46

1. Invalid
2. IgnoreThisRequest (cache miss)
3. Valid

Front 47

What method can be used to create a dependency between a file and cached page output?

Back 47

HttpResponse.AddFileDependency

Front 48

What class implements caching for web application data?

Back 48

Cache

Front 49

What delegate is available to enable notification of an item being removed from the cache?

Back 49

CacheItemRemovedCallback

Front 50

What configuration element can be used to configure the caching of application data?

Back 50

cache

Front 51

What four attributes of the @OutputCache directive can be used to cache mulitple versions of page output?

Back 51

1. VaryByHeader
2. VaryByControl
3. VaryByParam
4. VaryByCustom

Front 52

What attribute can be used with Web Form user controls to indicate if and how their output is cached?

Back 52

PartialCachingAttribute

Front 53

What attribute, of the @OutputCache directive, allows a user control's output to be cached once and used by multiple pages?

Back 53

Shared

Front 54

What control can be used to specify a section of a cached page that is created dynamically rather than cached?

Back 54

Substitution control

Front 55

What property is used to get or set the name of the callback method to invoke when the Substitution control executes?

Back 55

Substitution.MethodName