299-01 Exam Dumps - Riverbed Certified Solutions Professional - Network Performance Management

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Question # 17

How does Cascade acquire the Interface Name (ifname) and interface speed (ifspeed) for interfaces reporting to Cascade?

SNMP polling from the Gateway

SNMP polling from the Profiler

SYSLOG

All of the above

None of the above

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Question # 18

Within Cascade Pilot, Sequence Diagrams allow you to display information between two end points. You have a choice of displaying information for two different layers in the network stack. Descriptions of the sequence diagrams for the two Layers follow: (Select 2)

Layer 1 information. For example, for Ethernet tap points this includes signal levels and attenuation.

Layer 2 information. For example, for Ethernet with 802.1Q encapsulation this includes the VLAN identifier and frame size between MAC Addresses

Layer 3 information. For example, for IPv4 this includes the protocol, time-to-live (TTL), and IP Identifier between IP Addresses

Layer 4 Transport information. For example, for TCP this includes TCP flags, size in bytes, and sequence number between IP Addresses.

Application header information. For example, for Web traffic this includes HTTP methods and message numbers (e.g. "200", "404").

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Question # 19

A router that has been recently configured to send NetFlow to a Cascade Gateway has yet to appear in the Devices/Interfaces page on the Cascade Profiler. What are the most likely thing to check?

Traffic is being sent across the router's interfaces configured for flow export.

There are no firewalls blocking communication between router and Cascade Gateway.

There are no firewalls blocking communication between Cascade Gateway and Cascade Profiler.

The port being used for export on the router matches that which has been configured on the Cascade Gateway.

All of the above.

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Question # 20

When initializing data for service metrics or analytics, for what minimum percent of the time must relevant and valid data be present for the service to properly initialize?

25%

50%

75%

100%

None of the above

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Question # 21

The Cascade Shark de-duplication mode should be used:

To de-duplicate duplicate flows sent to the Cascade Profiler appliance caused by the way different Cascade Shark ports may see the same UDP/TCP sessions.

To de-duplicate duplicate flows sent to the Cascade Profiler appliance caused by use of the Aggregating Port seeing the same UDP/TCP sessions.

To de-duplicate duplicate packets that may be collected by the Cascade Shark caused by the way Port Mirroring is configured on a switch.

To de-duplicate duplicate packets that may be collected by the Cascade Shark caused by the way filtering is used on a capture job.

All of the above

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Question # 22

What conditions might prevent successful SNMP polling of a flow source? (Select 2)

An ACL might exist on the flow source (router) and the Cascade Standard Profiler IP address is not in it.

SNMP is not enabled.

The correct IP address of the flow source was not entered into the GUI.

The SNMP read string provided and entered might not be correct.

The flow source is not using the same NTP source as the Cascade Gateway.

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Question # 23

A user wants to use the link congestion analytic policy on Cascade Profiler to monitor five key WAN links for an increase in traffic outside of the expected traffic that includes TCP/80, TCP/443, TCP25, and UDP/53. Can the link congestion policy be used for this scenario?

No, because a link analytic can monitor only a single interface.

Yes, one can define separate link congestion analytic policies for each WAN interface.

No, because one can only define specific ports to include on a link congestion policy.

Yes, because one can define a port group that includes every UDP and TCP port except for those that include the expected traffic, and that port group can be used for the link congestion analytic policy.

No, and both A and C include valid reasons.

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Question # 24

On the Cascade Shark appliance, packet de-duplication should be enabled when:

Capturing packets from a SPAN-Port/Port-Mirror whose configuration may generate duplicate packets

Capturing packets from an aggregating TAP

Removing duplicate flows across multiple interfaces

Capturing packets from a 10GB link

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