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Riverbed 499-01 Riverbed Certified Solutions Professional – Application Performance Management Exam Practice Test

Demo: 29 questions
Total 196 questions

Riverbed Certified Solutions Professional – Application Performance Management Questions and Answers

Question 1

Which of these are not available to instrument a web application with BrowserMetrix?

Options:

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.

Question 2

Safari seems to outperform other browsers in its response time report. Why is its "time to first byte" so much shorter than other browsers? (Select 2)

Options:

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.

Question 3

Each of the "dots" you see in the BrowserMetrix user interface represent:

Options:

A.

An end-user page view

B.

The web server tier

C.

The web application

D.

The server node for the transaction

Question 4

How can you change the AppResponse Xpert BrowserMetrix default web user interface communication ports?

Options:

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.

Question 5

For BrowserMetrix, the "time to first byte" and "download and render" time is considered:

Options:

A.

Back-end delay

B.

Front-end delay

C.

Network delay

D.

Server delay

Question 6

Which metrics does AppResponse Xpert compute for monitoring? (Select 3)

Options:

A.

TCP out-of-sequence

B.

TCP retransmission

C.

TCP frozen window

D.

TCP reset

E.

TCP connection failed

Question 7

What parameter is used by default to identify servers in AppResponse Xpert metrics?

Options:

A.

Destination of the intial synchronize

B.

IP address

C.

Port number

D.

Business group membership

Question 8

You can use AppResponse Xpert Web Transaction Analysis to: (Select 3)

Options:

A.

Automatically discover downloads of web pages and related groups of web pages.

B.

Collect detailed metrics on web page usage, such as download times, overall web-page traffic, total number of page downloads, total number of slow pages, distribution of HTTP response codes; auto-decode and analyze SSL traffic.

C.

Store, and make accessible to end users, decoded SSL-encrypted packets.

D.

Automatically detect users based on login information and identify the web page downloads for each detected user.

E.

Identify the location, platform and browser of users.

Question 9

AppResponse Xpert can be configured to mask out all sensitive information contained in key value pairs that might appear in observed web traffic. Where is this configured?

Options:

A.

In the Java console, under Tools > Pages > Information Privacy Manager

B.

In the Java console, under Tools > Pages > User Session Tracking Manager

C.

In the web user interface under System > Pages > Information Privacy Manager

D.

In the web user interface under System > Setup > Information Privacy Manager

Question 10

What metric is used to check if web transaction analysis (WTA) is not overloaded with too much traffic to monitor?

Options:

A.

number of TCP connections / min (for HTTP/HTTPS sessions only)

B.

number of total page views / min

C.

number of HTTP requests / min

D.

number of unique URLs / min

Question 11

When you type an IP address or host name in the search field of Riverbed Performance Management Dashboards, the following occurs:

Options:

A.

You get of list of next-hop IP addresses or host names to use to create dashboards.

B.

The field automatically populates with the data sources for the IP address or host names from which you can open pre-configured dashboards.

C.

The "Create New Dashboard" panel opens with templates you can use to create a dashboard with the given IP address or host name.

D.

The dashboards already created with the given IP address or host name automatically open in a new tab.

Question 12

Which of these is not an available data source for Dashboards?

Options:

A.

AppInternals Xpert

B.

AppResponse Xpert

C.

BrowserMetrix

D.

AppTransaction Xpert

Question 13

Which instruments can display threshold status? (Select 2)

Options:

A.

LED

B.

Sparkline

C.

Bar chart

D.

Historical comparison row

Question 14

With which components can you group data behind a single instrument? (Select 3)

Options:

A.

Hostname

B.

Metric value

C.

Custom pattern

D.

Data source

Question 15

What is the one method to search for common data across all data sources?

Options:

A.

Search by Object Name

B.

Top N/Bottom N

C.

Standard Components

D.

By IP Address

Question 16

What default threshold does the AppDoctor use to detect user think time on the client tier?

Options:

A.

5 seconds

B.

2 seconds

C.

3 seconds

D.

1 second

Question 17

On the Data Exchange Chart tab, what does the arrow's direction indicate?

Options:

A.

Packet loss

B.

Latency

C.

It has no meaning

D.

Transfer time

Question 18

On which default TCP port does the AppTransaction Xpert console communicate with its agents?

Options:

A.

80

B.

443

C.

27401

D.

37551

E.

It uses a window, not a port.

Question 19

What does the TCP out-of-sequence statistic indicate? (Select 2)

Options:

A.

Several paths are used to receive traffic, so packets can be received out of order.

B.

A TCP retransmission when looking at a trace on the sender side.

C.

A TCP retransmission when looking at a trace on the receiver side.

D.

It cannnot indicate a TCP retransmission. That is recorded using the TCP retransmission statistic only.

Question 20

Refer to the exhibit.

In the diagram, what does the gray wedge signify?

Options:

A.

Unidentified traffic

B.

Parallel effects

C.

Protocol effects

D.

User think time

Question 21

JIDA automatically collects metrics from predefined categories of classes except:

Options:

A.

EJBs: classes that implement the javax.ejb.EntityBean or javax.ejb.SessionBean interfaces

B.

JDBC - classes that implement any of several interfaces in the java.sql package

C.

JNDI - classes that implement the javax.naming.Context or javax/naming/directory/DirContext interfaces

D.

Portlets - classes that implement the javax.portlet.Portlet interface

E.

Generic classes

Question 22

Which tab in the AppInternals Xpert interface do you use to enable continuous tracing for JIDA and .Net data adapter instances?

Options:

A.

Metric Filters

B.

Schedule

C.

Users

D.

Configure Groups

Question 23

Which metrics help the user perform heap analysis? (Select 3)

Options:

A.

Percent of free heap

B.

Percent of time garbage collecting

C.

Percent of usage

D.

Average number of live objects

Question 24

Which statement is incorrect about how dynamic sampling agents (DSAs) manage 1-second data storage?

Options:

A.

By default, the DSA attempts to keep 1-second data for 2 hours. The length of this time period is specified by the RawDataPersistDuration attribute in the dsa.xml file.

B.

The DSA deletes the oldest 1-second data from the database If there is less than 10 percent of free disk space (the default for the RawDataPersistFreeSpaceTargetPercent attribute)

C.

The DSA deletes the oldest 1-second data from the database if the database file is larger than specified in the RawDataPersistMaxDiskTarget attribute (unlimited as default).

D.

If both the RawDataPersistFreeSpaceTargetPercent and RawDataPersistMaxDiskTarget attributes are satisfied, the DSA deletes data, if necessary, to retain only as much data as specified by RawDataPersistDuration.

E.

At startup, and every 2 hours thereafter (or the frequency specified by RawDataPersistPurgeInterval), the DSA deletes the oldest 1-second data from the database.

Question 25

What issues arise in instrumenting a Java application using IBM SDK Java when the command line to start the application is not readily accessible? (Select 2)

Options:

A.

Some code compilation or modification is needed.

B.

You can set the IBM_JAVA_OPTIONS environment variable to add the argument into the application startup.

C.

IBM SDK Java is not supported.

D.

Setting the IBM_JAVA_OPTIONS environment variable will add the same argument into every IBM SDK Java application startup.

Question 26

Which of these product pairs are most likely to agree on response time of an individual web request?

Options:

A.

Transaction Trace Warehouse and AppTransaction Xpert

B.

BrowserMetrix and AppResponse Xpert Web Transaction Analysis

C.

AppResponse Xpert HTTP Application and AppInternals Xpert metric data

D.

AppResponse Xpert Web Transaction Analysis and AppTransaction Xpert

E.

BrowserMetrix and Transaction Trace Warehouse

Question 27

Which Riverbed Performance Management solution requires that agents be installed on servers?

Options:

A.

AppInternals Xpert

B.

AppResponse Xpert

C.

AppSQL Xpert

D.

Riverbed Performance Management Dashboards

Question 28

A user imported HTTPS packets for analysis in AppTransaction Xpert from AppResponse Xpert. Although the user was able to see the decrypted packets in AppResponse Xpert, he only sees encrypted packets in AppTransaction Xpert. Why ?

Options:

A.

The private key might not be imported in AppTransaction Xpert from AppResponse Xpert.

B.

AppTransaction Xpert cannot analyze HTTPS packets.

C.

The user must provide the SSL to AppTransaction Xpert.

D.

AppTransaction Xpert needs TCP handshaking packets to decrypt SSL traffic.

Question 29

In a three-tier application with a web front-end, application middle tier, and database back-end, where is the best instrumentation point for end-to-end visibility?

Options:

A.

It is best to instrument at all tiers for maximum visibility.

B.

It is best to instrument at the web tier, since that is typically the client entry point into the application.

C.

It is best to instrument at the application tier, since it sits between the web and database tiers.

D.

It is best to instrument at the database tier, since it holds the data the client is requesting.

Demo: 29 questions
Total 196 questions