499-01 : Riverbed Certified Solutions Professional Application Performance Manager Exam

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Riverbed
499-01
Riverbed Certified Solutions Professional Application
Performance Manager
https://killexams.com/pass4sure/exam-detail/499-01
Answer: A
QUESTION: 183
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?
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.
Answer: A
QUESTION: 184
Riverbed Performance Management allows you to view an application from
end-to-end by instrumenting:
A. Each web page associated with the application
B. A back-end data adapter that identifies and tracks all tiers of the application
C. The front-end web application with JavaScript and the application tiers with
agents
D. The front-end web application with agents and the back-end with specified
scripts
Answer: C
QUESTION: 185
Which of the following applies when comparing AppInternals Xpert metric data
with AppResponse Xpert data for the last 10 minutes?
A. Both provide average data, but AppInternals Xpert has data at 1-second
granularity while AppResponse Xpert has data at 1-minute granularity.
B. Measuring common requests, AppResponse Xpert data provides network and
server processing delay while AppInternals Xpert provides server processing
delay only.
C. Assuming response time is being evaluated for a common request available
from both data sources, AppInternals Xpert data is the maximum response
during each 1-second bucket while AppResponse Xpert data is averaged over a
1-minute bucket.
D. AppInternals Xpert "Max. Active" metrics on Servlet/JSP/Web Aggregate
metrics should exactly match AppResponse Xpert "Connections" metric.
Answer: C
QUESTION: 186
Which of the following is not required to enable single sign-on between OPNET
Authentication Service (OAS)-enabled products?
A. All products must use the same OAS server.
B. The fully qualified domain name (FQDN) all products use has a common
"cookie domain."
C. The users' web browsers need to send the OAS cookies, which affects the
choice of common "cookie domain."
D. All possible FQDNs must be registered within OAS to allow them to work.
Answer: D
QUESTION: 187
When investigating reports of web page performance problems, which of these
integration pathways could be used? (Select 3)
A. RPM Dashboards -> AppResponse Xpert -> AppInternals Xpert ->
Transaction Trace Warehouse
B. BrowserMetrix -> AppTransaction Xpert
C. Transaction Trace Warehouse -> AppInternals Xpert -> AppResponse Xpert
-> AppTransaction Xpert
D. RPM Dashboards -> BrowserMetrix -> Transaction Trace Warehouse
E. RPM Dashboards -> AppInternals Xpert -> AppTransaction Xpert
Answer: A, C, D
QUESTION: 188
When diagnosing a user-reported performance problem for an application, what
is the best conclusion to draw after analyzing the server log file and finding
nothing wrong?
A. The servers cannot be the problem.
B. It must be the network.
C. There is no problem. The user's experience is normal and expected.
D. No conclusion can be made due to insufficient data.
E. More monitoring and analysis is required to identify and eradicate
monitoring gaps at the end user, network, server, and back-end dependencies.
Answer: E
QUESTION: 189
When measuring end-user performance of internal .NET web applications,
which solution provides the most valuable information and why?
A. AppResponse Xpert, because it shows server and network delays for
individual page views.
B. AppInternals Xpert Transaction Trace Warehouse, because it includes
network delay and indicates what happens within each tier.
C. BrowserMetrix SaaS, because it reports the most detail of end-user
performance, is measured at the browser, and is easiest to set up.
D. AppTransaction Xpert, because it reports the most detail of transaction
performance as seen by the workstation's network packets.
E. BrowserMetrix On-Premise, because it provides the most detail of end-user
performance and the ability to see Transaction Trace Warehouse data for server-
side delay information.
Answer: E
QUESTION: 190
Which of these product pairs are most likely to agree on response time of an
individual web request?
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
Answer: D
QUESTION: 191
After downloading Web Transaction Analysis page view packets from
AppResponse Xpert and opening AppTransaction Xpert, you are prompted to
enter Transaction Trace Warehouse information. Why did the prompt appear
and what does it mean?
A. The prompt always appears when you use this workflow. It means
AppResponse Xpert passed a parameter to AppTransaction Xpert, causing it to
search the specified Transaction Trace Warehouse server for supporting server
trace information.
B. The AppTransaction Xpert preferences were set to always import
Transaction Trace Warehouse trace data no matter how the packets were
obtained.
C. While importing the packets, AppTransaction Xpert noticed HTTP headers
indicating the presence of transaction tracing. It is asking for the hostname and
credentials of the appropriate Transaction Trace Warehouse server to download
the specific transaction traces referenced in the HTTP headers of the packet
trace.
D. When the AppInternals Xpert instrumentation is set to create trace files, it
marks the TCP headers for each packet in that transaction so AppTransaction
Xpert knows to look for supporting transaction data.
Answer: C
QUESTION: 192
Refer to the exhibit.


This graph represents the number of requests waiting for a response across
various tiers. With load being generated at a constantly increasing rate, which
tier is the bottleneck and why?
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.
Answer: D
QUESTION: 193
Which methods would diagnose why page views are not being counted in
BrowserMetrix? (Select 3)
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.
Answer: B, C, E
QUESTION: 194
To integrate the Riverbed product suite into your existing trouble ticketing
system, which of the following could be done? (Select 3)
A. Use the built-in email and SNMP mechanism or a custom forensic script in
AppInternals Xpert to send alerts to the existing system.
B. Configure alerts in AppResponse Xpert to send SNMP traps to the existing
system.
C. Set up BrowserMetrix to send email alerts to an email gateway.
D. Add email alerts to the RPM Dashboard settings.
E. Configure Transaction Trace Warehouse to send email alerts to an email
gateway when certain thresholds are met.
Answer: A, B, C
QUESTION: 195
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 ?
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.
Answer: C
QUESTION: 196
Refer to the exhibit.
In the diagram, what does the WIN<<7=17408 (in the red rectangle) indicate?
A. TCP window scaling
B. Maximum transmission unit (MTU)
C. TCP maximum segment size
D. Packet size
Answer: A

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