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101-01 Riverbed Certified Solutions Associate Question and Answers

Question # 4

Which HTTP optimization feature uses an algorithm to determine which objects are likely to be requested for a specific web page, and prefetches them so available when the client makes the request?

A.

Gratuitous 401 Messages

B.

URL Learning

C.

Object Prefetch Table

D.

Strip Compression

E.

Parse-and-Prefetch

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Question # 5

Which policy types make up the configuration for a SteelHead Mobile client?

A.

Acceleration policy

B.

Endpoint policy

C.

Security policy

D.

A single policy for all the above

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Question # 6

When optimizing protocols such as signed SMB or encrypted MAPI, which of the following is true?

A.

Special configuration is always necessary on the Domain Controller.

B.

The server-side StealHead must be joined to the domain.

C.

The domain administrator password must be made available to the SteelHead.

D.

The client-side SteelHead must be joined to the domain.

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Question # 7

What are some key reasons for purchasing an Interceptor appliance? (Select 3)

A.

Redirect traffic to a pool of Steelhead appliances

B.

Failover for Steelhead appliances

C.

No single point of failure in a redundant Steelhead appliance deployment

D.

Centralize reporting and management

E.

Increase throughput of connections

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Question # 8

Which Simplified Routing mode is required when a Virtual SteelHead is deployed in a virtual in-path configuration?

A.

All

B.

None

C.

Destination Only

D.

Destination and Source

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Question # 9

What benefit does the Interceptor appliance provide? (Select 3)

A.

Load balances connections across Steelhead appliances

B.

Provides redundancy in case of Steelhead appliance failure

C.

Maintains stateful connection table if a Steelhead appliance fails

D.

Allows clustering of multiple Steelhead appliances

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Question # 10

Data store synchronization takes place over which interface or interfaces?

A.

Primary or Aux

B.

Wan0_0

C.

Remote

D.

Inpath0_0

E.

Lan0_0

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Question # 11

What is the total number of optimized concurrent TCP connections supported on an Interceptor appliance?

A.

100,000

B.

200,000

C.

300,000

D.

500,000

E.

1,000,000

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Question # 12

If a file is not optimized for more than one user at a time, this indicates:

A.

Steelhead appliance has entered admission control

B.

Steelhead appliance is configured with the incorrect speed or duplex on the Primary interface

C.

Steelhead appliance is configured with the incorrect speed or duplex on the in-path interfaces

D.

Steelhead appliance is not able to acquire a “File Hold Key (FHK)”

E.

Steelhead appliance is not able to acquire an “Opportunistic Lock (oplock)”

F.

Steelhead appliance is not able to acquire a “Double Link (doulink)”

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Question # 13

Which of the following are configurable attributes of an Interceptor appliance? (Select 3)

A.

Synchronizing datastore

B.

Sharing connection state with a parallel Interceptor appliance

C.

Redirect to a Steelhead appliance cluster

D.

Failover to another Interceptor appliance

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Question # 14

If the Steelhead Mobile client optimization is being blocked by the client firewall, you must set which port on the client firewall to allow incoming traffic?

A.

7744

B.

7800

C.

7801

D.

7810

E.

7820

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Question # 15

What feature is not available for optimized connections when using Port or Full transparency over the WAN?

A.

Top Talkers report

B.

Quality of Service marking

C.

VLAN segregation

D.

Path Selection

E.

Connection Pooling

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Question # 16

What is NOT supported in Virtual in-path deployments?

A.

Server-side initiated connections

B.

Simplified Routing

C.

Path Selection

D.

SteelHead Mobile optimization

E.

HSRP or VRRP gateways

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Question # 17

The SteelHead's HTTP optimization blade supports a number of other configurable features as well. Examples include: (choose two)

A.

Video stream splitting

B.

Proxy File Service

C.

Citrix optimization

D.

SharePoint (WebDAV and FPSE)

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Question # 18

Central Management Console (CMC) provides which benefits? (Select 2)

A.

Centralized reporting of Interceptor appliances

B.

Centralized reporting of Steelhead Mobile Controller appliances

C.

Centralized management of Steelhead appliances

D.

Centralized configuration of Steelhead appliances

E.

Centralized configuration of Cascade Profiler appliances

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Question # 19

A SteelHead appliance can be configured to send email to alert administrators of alarms and other events. Where is this done in the web interface?

A.

Administration > Announcements

B.

Administration > Email

C.

Administration > Alarms

D.

Administration > Logging

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Question # 20

What are the benefits of Application Streamlining?

A.

Applications run up to 100 times faster

B.

Reduces application chattiness by 65-98%

C.

Accelerates the most important applications, such as CIFS, MAPI, NFS, HTTP/S, Lotus Notes, and MS-SQL

D.

All of the above

E.

None of the above

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Question # 21

When configuring CIFS prepopulation, which of the following parameters must be configured for prepopulation to function? (Select 3)

A.

Remote path

B.

Username

C.

CMC hostname

D.

Password

E.

RADIUS authentication

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Question # 22

Which of the following platforms provide support for HighSpeed TCP?

A.

All Steelhead modules designed for large offices

B.

All models except the desktop units

C.

All appliance models

D.

Only the mid-size office

E.

Only really big appliances 80lbs or greater

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Question # 23

What is the default action of a Steelhead appliance when it enters admission control?

A.

Fail-to-wire

B.

Fail-to-block

C.

Passthrough all connections

D.

Passthrough new connections

E.

Drop new connections

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Question # 24

Which of the following is a valid type of in-path rule on the Steelhead appliance? (Select 3)

A.

Pass Through

B.

Dynamic Detection

C.

Auto Discover

D.

Fixed-Target

E.

Real-Time

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Question # 25

Application Streamlining in a Steelhead appliance or Steelhead Mobile does what?

A.

Reduces round trips over the WAN for all TCP traffic

B.

Reduces round trips over the WAN for supported applications

C.

Gives applications priority using our QoS engine

D.

All of the above

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Question # 26

Some applications are designed to open many TCP connections to accomplish required data transfers. Many of these connections are short-lived, yet each requires significant overhead to initiate communications. What RiOS feature was designed to reduce the overhead of these short-lived TCP connections?

A.

HSTCP

B.

MX-TCP

C.

Virtual Window Expansion

D.

Connection Pooling

E.

Transport Streamlining

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Question # 27

What is the default QoS classification mode?

A.

Flat

B.

Hierarchical

C.

WRED

D.

LLQ

E.

FEC

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Question # 28

In an in-path deployment, when a Steelhead appliance fails to wire, the Steelhead appliance acts as a:

A.

Straight-through cable

B.

Crossover cable

C.

Router

D.

Firewall

E.

None of the above

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Question # 29

Which of the following are considered to be root causes of poor application performance over wide area networks? (Select 3)

A.

Application protocol chattiness

B.

Transport protocol inefficiencies

C.

Proxy ARP

D.

Insufficient bandwidth

E.

Daylight Savings Time settings

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Question # 30

Which of the following factors are important to consider when sizing a Steelhead appliance? (Select 3)

A.

Number of simultaneous optimized connections

B.

The maximum optimized WAN bandwidth

C.

The size of datastore

D.

The number of applications used by the enterprise

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Question # 31

Which of the following MAPI application-specific optimizations can be performed by Steelhead appliances?

A.

Read ahead on attachments

B.

Read ahead on large emails

C.

Write behind on attachments

D.

Write behind on large emails

E.

All of the above

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Question # 32

How many WAN visibility modes are available?

A.

1

B.

2

C.

3

D.

4

E.

5

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Question # 33

Users at an optimized branch office log off and close down Microsoft Outlook when they leave for the day. When they return in the morning the Steelhead appliance’s datastore is already warm for emails they received throughout the night. What is this feature called?

A.

Transparent Proxy

B.

MAPI Prepopulation

C.

MAPI Offline Optimization

D.

Connection Pooling

E.

MAPI Tunneling

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Question # 34

A Steelhead appliance can synchronize its datastore with a maximum of how many other Steelhead appliances?

A.

1

B.

2

C.

3

D.

4

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Question # 35

Which two parameters are required when configuring a fixed-target rule?

A.

The target IP address and subnet mask of the target Steelhead appliance

B.

The TCP option number for auto-discovery

C.

The target Steelhead appliance and destination port number

D.

The source IP address and source port number of the client traffic

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Question # 36

Which of the following is a benefit of the Riverbed Services Platform (RSP) on the Steelhead appliance? (Select 2)

A.

Optimizes VoIP flowing through proxy servers

B.

Removes the need for specific servers in the branch offices

C.

Allows for continued operations of specific functionality in the event of a WAN failure

D.

Provides parallel forwarding domains for asymmetrical routing

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Question # 37

What does the Application Streamlining module in RiOS do?

A.

Eliminates redundant bytes from transfers

B.

Prioritizes application traffic

C.

Eliminates transport protocol inefficiencies

D.

Reduces WAN round trips at the application layer

E.

All of the above

F.

None of the above

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