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830-01 RCPE Certified Professional WAN Optimization Questions and Answers

Questions 4

A version 9 SteelCentral Controller for SteelHead (SCC) connects to managed appliances using which protocols?

Options:

A.

SNMP

B.

SSH and HTTPS

C.

SSH and API access

D.

SSH only

E.

SNMP and SSH

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Questions 5

You would like to upgrade a Virtual SteelHead VCX755-L to VCX755-H. What is required to permit the upgrade to succeed? (Choose three.)

Options:

A.

Additional bypass cards

B.

Additional CPU(s)

C.

An upgrade license key

D.

Additional Storage capacity for data store

E.

Additional Memory

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Questions 6

-- Exhibit –

-- Exhibit --

Refer to the exhibit. According to the screenshot, what does the highlighted symbol represent? (Select 2)

Options:

A.

The configuration of the Steelhead appliances on that cluster are not the same.

B.

The configuration of each one of those Steelhead appliances are different than the one on the CMC.

C.

It's missing a Push.

D.

It's not missing a Push.

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Questions 7

Log messages in the Steelhead appliance Management Console such as “error=SMB_SHUTDOWN_ERR_SEC_SIG_ENABLED” are an indication of what condition?

Options:

A.

The Steelhead appliance has entered admission control

B.

The Steelhead appliance has detected an asymmetric network

C.

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

D.

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

E.

The Steelhead appliance is configured in “Tunnel Mode”

F.

The Steelhead appliance has detected Windows Server Message Block (SMB) signing

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Questions 8

True or False? To be able to use Active Directory assignments, the SteelCentral Controller for SteelHead Mobile must be joined to the domain.

Options:

A.

True

B.

False

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Questions 9

-- Exhibit –

-- Exhibit --

Refer to the exhibit. The connections from USER1 to Server3 are not being optimized. What is the possible cause? (Select 2)

Options:

A.

Optimization services are not running on the data center SH11.

B.

It is a UDP connection.

C.

The branch Steelhead appliance is down.

D.

Services are not running on the branch Steelhead appliance.

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Questions 10

-- Exhibit –

-- Exhibit --

Refer to the exhibit. According to the packet capture, what statements are true? (Select 2)

Options:

A.

This Steelhead appliance is configured with enhanced auto-discovery.

B.

This Steelhead appliance is configured with enhanced peering discovery.

C.

The SYN packet coming from 172.16.12.99 with a destination to 172.16.11.88 carries a probe of 10 bytes.

D.

The SYN packet coming from 172.16.12.99 with a destination to 172.16.11.88 carries a probe of 10 bytes + a 4 bytes notification message.

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Questions 11

Connection Pooling works with:

Options:

A.

Port and Full Transparency

B.

Correct Addressing and Port Transparency

C.

Correct Addressing only

D.

Correct Addressing, Port and Full Transparency

E.

Full Transparency only

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Questions 12

Once a SteelHead is registered for Cloud (SaaS) optimization it contacts the Cloud portal every 5 minutes to receive the latest information about the service. What would happen if a Firewall change stops the HTTPS communication with the Portal?

Options:

A.

The Cloud optimization stops working after 5 minutes

B.

The Cloud optimization continues to work with the last information received from the Portal

C.

The SteelHead will try HTTP (port 80) to contact the Portal once it sees no response using 443

D.

The Cloud optimization Service cannot redirect traffic because DNS resolution is performed through Primary interface

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Questions 13

Authentication fails for certain users after configuring the Server-Side Steelhead Appliance to be a RODC. What could be the issue?

Options:

A.

These users make use of NTLM authentication.

B.

These users exclusively make use of Kerberos authentication.

C.

Overlapping open is enabled.

D.

SMB signing is required.

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Questions 14

What is the default Load Balancing rule on an Interceptor appliance?

Options:

A.

Redirect

B.

Allow

C.

Auto

D.

Pass-through

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Questions 15

You wish to utilize a SteelHead to fill a high bandwidth, high latency WAN link without data reduction. The link is 622mbps and 500ms latency. What steps should you take to fill the pipe?

Options:

A.

Enable HSTCP, configure the WAN buffers and enable SDR/LZ.

B.

Enable HSTCP, configure the WAN buffers and disable SDR/LZ.

C.

Max-TCP and HS-TCP are only for optimized flows, so data reduction cannot be disabled but will fill the pipe anyway.

D.

Enable MXTCP, configure the WAN buffers and disable SDR/LZ.

E.

Enable MXTCP, configure the WAN buffers and enable SDR/LZ.

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Questions 16

Which deployment options are available to Virtual SteelHead on ESXi?

Options:

A.

Physical In-path (with Riverbed bypass NIC)

B.

Virtual In-path

C.

Out-of-path

D.

Server-side Out-of-Path

E.

All of the above

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Questions 17

Consider a SteelHead deployment with SMB optimization and SMB signing enabled on all SteelHeads. The client is configured to have signing enabled and the server has signing disabled. What will happen to SMB connections between these two hosts?

Options:

A.

The connection will be unsigned but allowed. The SteelHead does not need to have SMB signing enabled to accommodate this connection.

B.

The connection will not be allowed, as signing is enabled on the client and disabled on the server.

C.

The connection will be allowed and will be signed as the client determines whether SMB signing is used or not.

D.

The connection will be allowed, and will be signed between the client and client-side SteelHead.

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Questions 18

Which authentication methods are available to the Steelhead Mobile Controller?

Options:

A.

Local and LDAP

B.

Local, NIS, and LDAP

C.

Local, RADIUS, and TACACS+

D.

Local, RADIUS, and Active Directory

E.

NTLM and Kerberos

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Questions 19

What is configured in an Acceleration policy? (Choose the best answer)

Options:

A.

Redundant Steelhead Mobile Controllers

B.

In-path rules

C.

Group IDs

D.

Port labels

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Questions 20

The Steelhead Mobile client on your laptop is showing a status of “Firewalled”. What is the problem?

Options:

A.

Port 7800 is being blocked between the Steelhead Mobile Controller and the Steelhead appliance

B.

Port 7810 is being blocked between the Steelhead Mobile client and the Steelhead appliance

C.

Port 7801 is being blocked between the Steelhead Mobile client and the Windows TCP Stack

D.

Port 7850 is being blocked between the Steelhead Mobile Controller and the Steelhead appliance

E.

Port 7801 is being blocked between the Steelhead Mobile Controller and the Steelhead appliance

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Questions 21

The Interceptor appliance will attempt to redirect a connection to a Steelhead appliance in the auto pool:

Options:

A.

When no user defined Load Balancing rules matches AND peer neighbors are defined

B.

When no user defined Load Balancing rules matches AND no peer neighbors are defined

C.

When no peer Interceptor appliances are defined

D.

When a user-defined Load Balancing rule matches AND a target Steelhead appliance is available

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Questions 22

When upgrading a Virtual Steelhead appliance, what steps can be taken to preserve the existing datastore?

Options:

A.

When upgrading a Virtual Steelhead appliance, it is not possible to preserve the existing datastore

B.

Detach the existing datastore and re-attach to the new Virtual Steelhead appliance

C.

Run vMotion and move the datastore to a different ESX host before performing the upgrade and then bring it back afterwards

D.

Move the existing datastore to an NFS share and move it back after the upgrade

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Questions 23

A user downloads a Microsoft Excel document from a server over an optimized connection. The transfer is very fast. The user makes some changes to the spreadsheet and then saves the document. The transfer is very slow. The user edited a Word document shortly before but that downloaded and saved at the same fast speeds. What happened to the Excel document?

Options:

A.

Microsoft Excel compresses and encrypts the data by default when saving Microsoft Excel data does not perform well for LZ compression and will always be slow.

B.

Microsoft Excel compresses the data by default when saving.

C.

Microsoft Excel reorders the entire data stream when it saves so it is now new (cold) data to the SteelHead.

D.

Microsoft Excel encrypts data by default when saving.

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Questions 24

You can monitor your Steelhead appliance disk performance using which reports? (Select 2)

Options:

A.

Data Store Cost

B.

Data Store Performance

C.

Disk Load

D.

SDR Hit

E.

Disk Pressure

F.

Disk Alarm

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Questions 25

The primary purpose of setting proxies (found on Networking – Proxies) on the Interceptor is to:

Options:

A.

Allow for a Web or FTP proxy when specifying a URL on the Management Console or CLI

B.

Allow for another Interceptor to redirect on behalf of the current Interceptor

C.

Allow for Steelhead appliances to dynamically handle the load of another Steelhead appliance

D.

Allow for two Interceptor appliances to act redundantly in a serial configuration

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Questions 26

What type of reporting information will an Interceptor appliance store? (Select 2)

Options:

A.

Connection counts

B.

Total packets in and out

C.

Bytes and packets redirected to each neighbor Steelhead appliance

D.

Scalable Data Referencing (SDR) Status

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Questions 27

How is peer affinity reset in the CLI for an Interceptor appliance cluster?

Options:

A.

“peer affinity reset” on all Interceptors

B.

“neighbor reset” on all Steelheads

C.

“service restart” on all Interceptors

D.

“neighbor reset” on all Interceptors

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Questions 28

What are the possible ways to downgrade a Virtual Steelhead appliance after it has been upgraded?

Options:

A.

Remove the upgrade license and restart the virtual Steelhead appliance

B.

Reinstall the original model license

C.

Reduce the amount of CPU and RAM allocated to the Virtual Steelhead appliance and it will automatically downgrade at the next startup

D.

It is not possible to downgrade after an upgrade

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Questions 29

Can you optimize FTP using Steelhead Mobile?

Options:

A.

Yes, this is possible on all FTP modes

B.

When using active FTP

C.

When using passive FTP

D.

It is not possible to optimize FTP traffic

E.

Only when there is no firewall enabled

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Questions 30

What information does the OVA package include about the Virtual Steelhead appliance? (Select 4)

Options:

A.

Virtual disks

B.

CPU

C.

Memory

D.

License

E.

Storage

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Questions 31

What are the capabilities of an Interceptor appliance? (Select 3)

Options:

A.

Peer affinity

B.

Sequential rule processing

C.

Intelligent forwarding

D.

Basic in-path rules for pushing to the Steelhead appliance cluster

E.

Centralize reporting of all Steelhead appliances in the enterprise

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Questions 32

Refer to the exhibit.

If Server A is an FTP server, which setting will enable active FTP optimization on Steelhead Mobile Client R?

Options:

A.

Steelhead A. in-path auto srcport 20

B.

Steelhead A. in-path auto dstport 20

C.

Client R: in-path auto dstport 20

D.

Default auto-discovery rules will work

E.

None of the above

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Questions 33

Refer to the exhibit.

If Steelhead Mobile Client B offers up a share on the network, what is needed on Steelhead Mobile Client R to open an optimized connection to this share if enhanced auto-discovery is enabled on all Steelhead appliances?

Options:

A.

Default auto-discovery will work fine without modification

B.

The connection to Client B cannot be optimized because the Steelhead Mobile Controller cannot optimize incoming connections

C.

A fixed-target rule to Client B's IP address is needed in order for optimization to occur on Mobile Client B

D.

The addition of a peering rule

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Questions 34

Refer to the exhibit.

In the accompanying exhibit, SH3 and SH4 are able to optimize FTP and HTTP sessions between Client41 and the respective application hosts Server31 and Server32. However, optimization does not happen for Client42 and these application hosts. A quick check on SH3 and SH4 registers neither optimized nor pass-through traffic from Client42. Client42 is able to ping Client41 and the in-path address of SH4. Note that SH3 and SH4 are in auto-discovery mode. What is the likely cause?

Options:

A.

The default gateway of Client41 is configured wrong

B.

The default gateway of Client42 is configured wrong

C.

The default gateway of SH3 is configured wrong

D.

The default gateway of SH4 is configured wrong

E.

The routing protocol between R3 and R4 is configured wrong

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Questions 35

When using TACACS+ or RADIUS to authenticate management access to the CMC appliance, which of the following is true?

Options:

A.

You are required to supply login credentials to every Steelhead appliance

B.

You will automatically be logged into to every Steelhead appliance

C.

All users will use the same user name and password

D.

It is not possible to use TACACS+ or RADIUS

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Questions 36

Given four Steelheads are deployed in a WCCP cluster and all Steelheads are optimizing traffic to and from the data center. Steelhead-A fails and only Steelhead-B and Steelhead-C are intercepting new connections while Steelhead-D is NOT optimizing any traffic. What is the likely problem?

Options:

A.

The load balancing algorithm on the router is broken

B.

Simplified routing is not enabled

C.

Steelhead-B and Steelhead-C are missing the “in-path neighbor continue-intercept” command

D.

Steelhead-D is missing the “in-path neighbor allow-failure” command

E.

Need to issue the command “in-path accept connections” on Steelhead-D

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Questions 37

Which of the following is true about fetching Steelhead appliance's configurations from a CMC appliance?

Options:

A.

Fetched configurations are automatically saved as groups, which can be managed and applied to appliances and appliance policies

B.

Configurations cannot be fetched from the CMC appliance, they must be pushed

C.

Fetched configurations are automatically saved as policies, which can be managed and applied to appliances and appliance groups

D.

Fetched configurations are saved as system settings, which can be managed and applied to appliances and appliance groups

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Questions 38

What command should you use to see the direct URL of a package?

Options:

A.

show rsp slots

B.

show rsp modules

C.

show rsp platform

D.

show rsp packages

E.

show rsp vms

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Questions 39

In an in-path deployment, if a naked SYN packet arrives on the WAN interface of Steelhead, what probe option is added to this SYN packet for auto-discovery?

Options:

A.

Option-76

B.

Option-78

C.

SACK

D.

WSCALE

E.

None of the above

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Questions 40

Which logging severity levels are supported by the CMC appliance? (Select 4)

Options:

A.

Emergency

B.

Educational

C.

Info

D.

Notice

E.

Critical

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Questions 41

How many in-path rules will a LAN-initiated (i.e. SYN packet arrives at a LAN port of an In-path interface) single connection match on an Interceptor appliance?

Options:

A.

0

B.

1

C.

2

D.

3

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Questions 42

The default setting for “allow failure” in the Interceptor appliance version 2.0 is: (Select 2)

Options:

A.

Is configurable

B.

Is not configurable

C.

Enabled by default

D.

Disabled by default

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Questions 43

You have an existing Steelhead appliance deployment which is achieving excellent optimization at five sites. You have deployed a Steelhead appliance physically in-path at a new small branch office and many of the new branch office users' applications are unoptimized; however some of the new branch office users' access to the same applications are optimized. None of the Steelhead appliances are in admission control. What is the likely cause?

Options:

A.

Duplex mismatch between the new branch office Steelhead and a connected device

B.

Duplex mismatch between the data center Steelhead and a connected device

C.

Network Asymmetry

D.

WAN link disconnection

E.

Overloaded servers

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Questions 44

What are the methods to upload an RSP package? (Select 3)

Options:

A.

tftp

B.

scp

C.

ftp

D.

ssh

E.

http

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Questions 45

What are the four types of policies on a CMC appliance?

Options:

A.

Networking, Optimization, Software, System

B.

Networking, Optimization, Rules, System

C.

Networking, Optimization, Security, System

D.

Networking, Acceleration, Security, System

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Questions 46

Which of the following methods can be used to reduce the load on a router configured to use outbound interface WCCP redirection? (Select 3)

Options:

A.

Using inbound interface redirection instead

B.

Use fixed-target rules and remove WCCP on the WAN facing interfaces

C.

Use Redirect lists to control what traffic gets redirected

D.

Use the router command “load interval 30” to restrict WCCP to use 30% of the CPU

E.

Use Event Element Manager (EEM) to load balance between a clustered Steelhead appliance deployment

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Questions 47

In an implementation using a 4-port card, which interface could be used as the Connection Forwarding neighbor? (Select 2)

Options:

A.

Primary

B.

AUX

C.

inpath0_0

D.

inpath0_1

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Questions 48

Which of the following statements are true about server-side out-of-path deployments? (Select 4)

Options:

A.

They require no routing changes

B.

They require the use of WCCP or PBR for traffic redirection

C.

They hide the original client IP address from the server

D.

They require the use of a fixed-target rule on the client-side Steelhead appliance

E.

They require the use of either physical in-path or virtual in-path on the client-side Steelhead appliance

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Questions 49

RiOS v7.0 and later, the packet-mode-optimization feature can: (Select 2)

Options:

A.

optimize TCP IPv6

B.

optimize UDP IPv6

C.

optimize UDP IPv4

D.

optimize TCP IPv4

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Questions 50

Connection pooling feature on RiOS pre-establishes:

Options:

A.

25 inner channel connections between each pair of Steelhead appliances.

B.

20 inner channel connections between data center and branch Steelhead appliances.

C.

20 inner channel connections between each pair of Steelhead appliances.

D.

15 inner channel connections between each pair of Steelhead appliances.

E.

20 outer channel connections between server and server-side Steelhead appliances.

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Questions 51

In a previously optimized environment, users have recently upgraded their Windows XP workstations to Windows 7. After the upgrade, users are complaining about slow CIFS and encrypted MAPI performance. What is the most likely cause?

Options:

A.

The Steelhead appliance is only configured for transparent mode for SMB signing and MAPI encryption.

B.

Windows 7 is not supported.

C.

The client-side Steelhead appliance is not joined to the domain.

D.

The server-side Steelhead appliance is not joined to the domain.

E.

The Steelhead appliance only supports NTLM.

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Questions 52

When enabling WCCP v2 support, what does a multicast TTL value of 1 imply?

Options:

A.

This enables WCCP v2 support

B.

The Steelhead appliance uses a multicast scope of 1 hop

C.

This enables WCCP multicast

D.

This enables WCCP unicast

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Questions 53

The adaptive data streamlining settings are:

Options:

A.

Default , RiOS SDR- L, RiOS SDR-M

B.

Default , RiOS DSR- Adaptive, RiOS DSR-M

C.

Default , RiOS SDR- Adaptive, RiOS SDR-M

D.

Default , RiOS SDR- Adaptive, RiOS SDR-L

E.

RiOS SDR- Adaptive, RiOS SDR-L, RiOS DSR-M

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Questions 54

What is the priority bit order for WCCP MASK?

Options:

A.

Source port, source IP, destination port, destination IP

B.

Destination port, source port, destination IP, source IP

C.

Source IP, destination port, destination IP, source port

D.

Source port, destination port, source IP, destination IP

E.

There is no priority order. It is weighted through bit assignments.

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Questions 55

Refer to the exhibit.

The customer would like to prevent a “black-holing” situation when using PBR when SH11 goes down. The Steelhead appliances are directly connected to the routers. What options are available to determine state level status of the Steelhead appliance? (Select 3)

Options:

A.

CDP

B.

NBAR

C.

Interface Tracking

D.

HTTP

E.

ICMP

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Questions 56

Which of the following are valid QoS priority queues for Steelhead appliances? (Select 3)

Options:

A.

Normal

B.

Medium

C.

Real-time

D.

Low

E.

Critical

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Questions 57

VSP on the Steelhead EX supports which features of VMware virtual machines? (Select 3)

Options:

A.

vSphere Fault Tolerance

B.

Reporting.

C.

Stopping, starting, and restarting virtual machines through vSphere.

D.

vSphere High Availability

E.

vSphere vMotion.

F.

Virtual machine configuration through vSphere.

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Questions 58

Refer to the exhibit.

In order to achieve optimization using auto-discovery for traffic coming from site C and destined to site A in the exhibit, which configuration below would be required?

Options:

A.

In-path fixed-target rule on site B Steelhead appliance pointing to Site A Steelhead appliance

B.

Peering rule on site B Steelhead appliance passing through probes from site C

C.

Peering rule on site B Steelhead appliance passing through probe responses from site A

D.

Both A and C

E.

Both B and C

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Questions 59

What is the primary purpose of Connection Forwarding in WCCP deployments with multiple Steelhead appliances in a single cluster? (Select 2)

Options:

A.

For handling Removal Query process

B.

For handling Redirect Assignment process

C.

For handling Here-I-Am packets process

D.

For handling the I-See-U packets process

E.

Connection Forwarding is not recommend in WCCP deployments

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Questions 60

What is the default Connection Forwarding keep alive interval?

Options:

A.

1 second

B.

3 seconds

C.

5 seconds

D.

10 seconds

E.

15 seconds

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Exam Code: 830-01
Exam Name: RCPE Certified Professional WAN Optimization
Last Update: Nov 25, 2024
Questions: 402
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