Riverbed Riverbed Certifications 499-01 Questions & Answers

• Question 161:

  What should you do first when verifying high packet loss?

  A. Download a packet capture from the appliance.

  B. Check that the switched port analyzer (SPAN) is seeing both directions of traffic and remove duplicates.

  C. This value is always correct.

  D. Use AppTransaction Xpert to verify.

  E. Use Pilot to verify.

  F. Ask the network admin.

  Correct Answer: B

• Question 162:

  Refer to the exhibit.

  

  What would probably indicate a high rate of packet loss?

  A. Intermittent and short-lived destination switched port analyzer (SPAN) port oversubscription

  B. A cable problem between ACE Live and the switch

  C. Both AppResponse Xpert and the switch are stuck in an ethernet auto neg loop

  D. Port mirroring not configured on the switch port

  Correct Answer: A

• Question 163:

  Which fields are available for each individual page view In the Individual Page Views Insight in the AppResponse Xpert console? (Select 3)

  A. End time

  B. User

  C. HTTP header

  D. Server busy time

  E. User agent

  Correct Answer: BDE

• Question 164:

  What is the default IP management address when receiving a new appliance?

  A. 192.168.1.1

  B. No IP address is pre-configured.

  C. 10.1.1.1

  D. 192.168.119.119

  Correct Answer: D

• Question 165:

  User response time is the sum of which four metrics?

  A. Connection setup time, server response time, payload transfer time, retransmission delay

  B. Inbound round trip time, server response time, retransmission delay, payload transfer time

  C. Inbound round trip time, outbound round trip time, server response time, payload transfer time

  D. Server response time, data transfer time, connection setup time, application turn rate

  Correct Answer: A

• Question 166:

  To successfully connect to the web interface of an AppResponse Xpert appliance, you must be able to access which two ports from your desktop machine?

  A. 8080 and 8443

  B. 80 and 443

  C. 8888 and 4443

  D. 8088 and 8843

  Correct Answer: A

• Question 167:

  Does enabling packet slicing interfere with AppResponse Xpert (ARX) web transaction analysis (WTA)?

  A. Packet slicing on ARX does not affect the appliance's ability to perform web transaction analyis.

  B. Packet slicing can be performed on a port aggregator before the packet is sent to ARX.

  C. The full packet is always needed in order for ARX to perform web transaction analysis.

  D. Packet slicing should be limited to 256 bytes to ensure accurate web transaction analysis.

  Correct Answer: A

• Question 168:

  Refer to the exhibit.

  

  In the business group table, the host enterprise1.opnet.com is:

  A. Acting as a client

  B. Acting as a server

  C. Acting as both a client and a server

  D. Acting as neither a client nor a server

  Correct Answer: B

• Question 169:

  Double-clicking on the throughput (Inbound and Outbound) displayed in the business group table will:

  A. Graph the throughput of all traffic going in and out of the business group

  B. Contextually launch an insight for investigation into the throughput for the selected business group

  C. Recalculate the throughput for the business group based on the current time

  D. Drill into the business group and show connected IP addresses

  E. Bring up the Response Time Composition Chart

  Correct Answer: A

• Question 170:

  If a proxy or load balancer changes or hides internet protocols (IPs), how could AppResponse Xpert (ARX) determine the originating IP? (Select 2)

  A. This is not currently supported.

  B. Monitor web traffic in a location where AppResponse Xpert can observe the originating and server IPs directly.

  C. Configure all intervening devices to include X-Forwarded-For (XFF) headers.

  D. AppResponse Xpert is able to expose the originating and server IPs even when intervening devices hide them.

  Correct Answer: BC