499-01 Practice Questions

A.  

AppResponse Xpert

B.  

Browser plugin

C.  

A load balancer such as Stingray

D.  

SysAdmin or webmaster

E.  

Proxy server

A.  

Use Riverbed Steelhead to inject the script at run time from the web server.

B.  

Use Riverbed Stingray to inject the script at run time from the web server.

C.  

Manually paste the Javascript in any web page you want to monitor with BrowserMetrix.

D.  

Edit a master file for the application by adding the Javascript to the header section of the file.

A.  

Safari does not support the W3C Navigation Timing specification.

B.  

Safari is a more responsive browser.

C.  

BrowserMetrix does not process "time to first byte" currently.

D.  

This is the user's first visit to the site or the previous page was not one of the instrumented pages.

A.  

An end-user page view

B.  

The web server tier

C.  

The web application

D.  

The server node for the transaction

A.  

Ports cannot be changed after the installation.

B.  

Change the server.xml HTTP_PORT and HTTPS_PORT specifications in the installation folder.

C.  

Changes are need on both server.xml and bindings-jboss-beans.xml.

D.  

Log in to the BrowserMetrix default web user interface.

A.  

TCP window scaling

B.  

Maximum transmission unit (MTU)

C.  

TCP maximum segment size

D.  

Packet size

A.  

End-user experience monitoring

B.  

User-defined transaction profiling

C.  

Application component deep dive

D.  

Network device monitoring

E.  

Status polling

A.  

Look at the waterfall view for individual page views in AppResponse Xpert and verify it has the beacon.gif request to the BrowserMetrix Collector.

B.  

View the page source of a page that should be tracked in the browser to ensure it has the initial JavaScript snippet loaded.

C.  

Analyze network packets from the browser workstation with AppTransaction Xpert to verify it makes a request to the BrowserMetrix Collector.

D.  

View the transaction details from Transaction Trace Warehouse (assuming the back-end is also instrumented with AppInternals Xpert) to check the HTTP headers for presence of a BrowserMetrix cookie.

E.  

Look at AppResponse Xpert data for requests to the BrowserMetrix Collector process to validate they occur.

A.  

The Web tier is the bottleneck because it has the most open requests waiting for a response.

B.  

The DB tier is the bottleneck because it is the lowest tier that is clearly not handling requests in time.

C.  

The App tier is the bottleneck because it is the first tier not handling the same number of requests as the tier above it.

D.  

The Web tier is the bottleneck because at an Offered Load of 300, there are still 50 requests waiting from the Web tier, and it never recovers. The lower tiers do not get the requests passed to them because the Web tier is not processing fast enough.

E.  

The App tier is the bottleneck because the DB tier is handling everything the App tier sends it.