Riverbed Certified Solutions Professional : 199-01 Exam

The following topics are covered under the RCSP exam. More detailed information on the exam content can be found by reviewing the RCSP Blueprint.


RiOS – General Theory


Basic Deployment


Advanced Deployment


Configuration


Troubleshooting


Maintenance and Monitoring


Features (i.e. PFS, HS-TCP, Pre-population, etc.)


Getting Started






As the RCSP exam is geared towards individuals who have both the theoretical knowledge and hands on experience with the RiOS product suite, ensuring proficiency in both areas is crucial towards passing the exam. For individuals starting out with the process, we recommend the following steps to guide you along the way:






Step One: Building Theoretical Knowledge






The easiest way to become knowledgeable in deploying, maintaining, and troubleshooting the RiOS product suite is to take a Riverbed sanctioned training class. To ensure the greatest possibility of passing the exam, it is recommended that you review the RCSP Blueprint and ensure your familiarity with all topics listed, prior to any examination attempts.






Step Two: Gaining Hands-on Experience






While the theoretical knowledge will get you halfway there, it’s the hands-on knowledge that can get you over the top and allow you to pass the exam. Since all deployments are different, providing an exact amount of experience required is difficult. Generally, we recommend that resellers and partners perform at least five deployments in a variety of technologies prior to attempting the exam. Alternatively, having started from the design and deployment phase and having at least 6 months of experience in a production environment would be beneficial.






Step Three: Taking the Exam






The final step in becoming an RCSP is to take the exam at a Pearson Vue authorized testing center. To register for any Riverbed Certification exam, please visit http://www.pearsonvue.com/riverbed






Exam Specifications






Exam Number: 199-01


Exam Name: Riverbed Certified Solutions Professional


Number of Questions: 70


Total Time: 75 minutes for exam, 15 minutes for Survey and Tutorial (90 minutes total)


Exam Language: English Only


Passing Score: 700 out of 1000 (70%)


Special Accommodations: Yes (must submit written request to Pearson Vue for: ESL or ADA accommodations; includes time extensions and/or a reader)


Exam Provider: Pearson Vue


Offered Locations: Worldwide (4200 testing locations worldwide)


Certification Expires: Yes, 2 years (must recertify every 2 years, no grace period)


Wait Between Failed Attempts: Yes, 3 days


Pre-requisites: No (although taking a Riverbed training class is highly recommended) Available to: Everyone (Partners, customers, employees, etc)


Cost: $150.00 (USD)


Number of Attempts Allowed: Unlimited (though statistics are kept)


QUESTION 30



What is the purpose at configuring “Connection Forwarding”?


1) To ensure proper operation for serial clustering


2) To overcome network asymmetry


3) To handle an active-passive serial fail-over


4) To ensure optimal performance for serial cascading


5) To provide stateful session information for transparent Steelhead failover






A. 1


B. 2


C. 2,4


D. 1,2,3


E. 1,2,3,4






Answer: B






QUESTION 31


A customer is seeking performance improvement for a one-time bulk CIFS drag & drop of already-compressed files across a high-latency DS3 WAN link. Which of the following technologies contributes most significantly to performance improvement in this specific environment?






A. Data Streamlining First-pass LZ compression


B. Data Streamlining: SDR disk-based data reduction


C. Transport Streamlining General TCP optimizations


D. Application Streamlining CIFS Transaction Perdition


E. Management Streamlining: Central Management Console






Answer: D






QUESTION 32


Where in the Steelhead appliance can you verify duplex errors? (Select 2 responses)?






A. Interface Statistics


B. Link State Statistics


C. Neighbor Statistics


D. QoS Statistics


E. Log messages






Answer: AE






QUESTION 33


A Steelhead can belong to more than one group in the CMC.






A. True


B. False






Answer: A






QUESTION 34


The two types of Microsoft SQL optimizations that can be performed by Steelhead appliances are: (Select 2 responses)






A. Pre-acknowledgements


B. Pre-fetching of data


C. Application Learning


D. Heuristic SQL Selects






Answer: AB






QUESTION 35


What configuration parameters can be sot in the GUI/CLI for Connection Forwarding?


1) Enable Connection Forward


2) Port


3) Keep-Alive Interval


4) Disconnection Time


5) Neighbor IP






A. 1,2


B. 2,3


C. 3,4,5


D. 1,2,3,5


E. 1,2,34,5






Answer: D






QUESTION 36


In this particular connection forwarding scenario, it should take about 15 seconds to detect a neighbor failure. Implement this on the Steelhead appliance by manipulating the neighbor keepalive interval to an appointee value.






A. in-path neighbor keepalive 5


B. in-path neighbor keep-alive interval 5


C. in-path neighbor interval 5


D. in-path neighbor keepalive interval 5






Answer: D






QUESTION 37


Which of the following peering role types are configurable on a Steelhead appliance?


1) Discard


2) Deny


3) Auto


4) Accept


5) Pass






A. 1,2


B. 2,3


C. 3,4,5


D. 1,2,3


E. 1,2,3,4,5






Answer: C






QUESTION 38


In version 3x, what models support HS-TCP?






1) 100/200


2) 520/1020


3) 2010


4) 3010


5) 5520


6) 6020






A. 1,2


B. 5,6


C. 4,5,6


D. 3,4,5,6


E. 1,2,3,4,5,6






Answer: B






QUESTION 39


What is the default connection forwarding keepalive interval?






A. 1 second


B. 3 seconds


C. 5 seconds


D. 10 seconds E. 15 seconds






Answer: D






QUESTION 40


In the accompanying figure, three (3) TCP connections are to be established. There is one connection between CLIENT12 and SH12, one between SH12 and SH10, and the other between SERVER1 and SH10. Assume SH10 is a higher model than SH11, and the WCCP dynamic load distribution behavior is preserved. Assume that a packet being optimized by SH10 incorrectly ends up on SH11 (due to load balancing error, or similar). How can you ensure that this packet is correctly returned to SH10?






A. Set the WCCP weight of SH10 to be higher than that of SH11


B. Use fixed-target rules explicitly at SH12 to peer to SH10. C. Enable destination IP hash and destination port hash


D. Enable destination IP hash and source port hash


E. Enable destination IP hash and source IP hash


F. Enable connection forwarding






Answer: F






QUESTION 41


In the accompanying figure, instead of using redirect-lists at R1, Customer A prefers to control the redirection of traffic at the server-side Steelhead appliances SH10 and SH11.Assume the web service en the server is running on port80, while the FTP service uses active FTP (puff 21 for control and 20 for data), how can this be achieved? (Multiple answers)






A. For Traffic from CLIENT12 to SERVER1, create WCCP service group 92 en SH10 and SH11, enable destination ports, and add ports 21 and 80


B. For Traffic from CLIENT12 to SERVER1, create WCCP service group 81 on SH10 and SH11, enable destination ports, and add ports 21 and 80


C. For return traffic from SERVER1 to CLIENT12, create WCCP service group 91 on SH10 and SH11, enable source puffs, and add ports 20


D. For return traffic from SERVER1 to CLIENT12, create WCCP service group 92 on SH10 and SH11, enable source ports, and add port 21 and 80


E. For traffic from CLIENT12 to SERVER1, create WCCP service group 91 en SH10 and SH11, enable destination ports, and add ports 20 and 80.






Answer: AC






QUESTION 42


Which of the following pieces of information is NOT provided within a Netflow v5 flow entry?






A. Source IP Address


B. Destination IP Address


C. Number of Packets


D. Source Subnet Mask


E. Number of Bytes






Answer: D






QUESTION 43


In the accompanying figure, SH3 and SH4 are able to optimize FTP and HTTP sessions between Client4l and the respective application hosts Server31 and Server32. However.optimization does out 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 Client4l and the in-path address of SH4. Note that SH3 and SH4 are in auto- discovery mode. What is the likely cause?






A. The default gateway of Client4l is configured wrongly


B. The default gateway of Client42 is configured wrongly.


C. The default gateway of SH3 is configured wrongly


D. The default gateway of SH4 is configured wrongly


E. The rooting protocol between R3 and R4 is configured

Answer: C







QUESTION 44


What should you do when you receive the following message?


[intercept NOTICE] sending kickoff RST 10.35.178.41:1168-> 10.110.141.30:1031.






A. Nothing.This is just a notice message.


B. This means that the Steelhead kickoff process sees a connection that it can optimize, so it sends a RST to the client. Verify whether the “Reset Existing Client Connections on Start Up” option is checked and uncheck it.


C. Switch off the Stealhead appliance


D. Create a specific pass-through rule to bypass the above source and destination hosts


E. Restart the Steelhead appliance.






Answer: B






QUESTION 45


In the accompanying figure, routers R1 and R2 are also NAT devices. SH10 end SH11 are deployed logically in-path while SH12 end SH13 are deployed physically in-path.






Steelheads SH10 and SH11 are in the public IP space of 100.1.1X.0/24. Steelheads SH12 and SH13 are in the private IP space at 172.18.13.0/24 and have static NAT translations to the public IP space 100.1.1×0/24 on R2. SERVER1, CLIENT12 and CLIENT13 are in the private IP address space of 172.18.lx.0/24.In this scenario, NAT is performed for Internet bound traffic but not for VPN bound traffic between the clients and SERVER1. The NAT for CLIENT12 is 172.18.12.99/24>> 100.1.12.99/24. The NAT for CLIENT13 is 172.18.19.88/24>>


100.1.13.99/24. The NAT for SERVER1 is 172.18.19.88/24 >> 100.1.19.88/24. PBR is used at R1 to intercept return traffic from SERVER1 to the clients and redirect it to SH10 or SH11. Additionally, R1 can route between the SERVER1 subnet and the SH10 and SH11 subnets. Which of the following fixed-target rules should be required to achieve optimization between CLIENT12 and CLIENT13 to SERVER1? (Multiple answers)






A. At SH12 in-path rule fixed-target srcaddr 172.18.12.99/32 dstaddr 172.18.19.88/32 dstport all target-addr 100.1.11.101 target-port 7800 backup-addr 100.1.11.101 backup- port 7800 rulenum 4


B. At SH13: T in-path rule fixed-target srcaddr 172.18.13.99/32 dstaddr 172.18.19.88/32 dstport all target-addr 100.1.11.101 target-port 7800 backup-addr 100.1.11.101 backup- port 7800 rulenum 4


C. At SH12: in-path rule fixed-target srcaddr 100.1.12.99/32 dstaddr 100.1.19. 88/32 dstport all target-addr 100.1.10.101 target-port 7800 backup-addr 100.1.11.101 backup- port 7800 rulenum 4


D. At SH13 in-path rule fixed-target srcaddr 100.1.13.99/32 dstaddr 100.1.19.88/32 dstport all target-addr 100.1.11.101 target-port 7800 backup-addr 100.1.10.101 backup- port 7800 rulenum 4


E. None of the above






Answer: AB






QUESTION 46


Which of the following in-path rule types silently drops packets for connections that match the rule?






A. Fixed-Target


B. Discard


C. Deny


D. Pass Through






Answer: C






QUESTION 47


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






A. This enables WCCP v2 support.


B. The Steelhead appliance uses a multicast scope of 1 hap.


C. This enables WCCP multicast


D. This enables WCCP unicast






Answer: B






QUESTION 48


What is true of a Server Side Out Of Path (OOP) Configuration?






A. Client source IP address will he NAT’ed, or translated, to the Server Side Steelhead’s Primary Interface


B. Client source IP addresses will be NAT’ed, or translated, to the Server Side Steelhead’s WAN Interface


C. A Fixed Target rule is needed on the Client side Steelhead to direct traffic to the Server Side Steelhead’s WAN Interface


D. Traffic that originates from the location of the Server Side Out of Path Steelhead will not be optimized by that Steelhead


E. Both A and B


F. Both A and D


G. Both B and C






Answer:Pending


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QUESTION 49


What is the purpose of a RiOS transaction prediction module?


1) To perform write behind during saves/changes


2) To perform read ahead on data


3) To avoid complications with Quality of Service


4) To avoid the round trip times (RTT) of chatty applications protocols


5) To avoid complications associated with tcp injection tunneling






A. 1


B. 1, 2


C. 1, 2, 4


D. 1,2,3,4


E. 1, 2,3,4,5






Answer: C






QUESTION 50


A server-side logical in-path deployment is shown in the accompanying figure.






Additionally, SH12 is configured with a fixed target rule pointing to SH11. The client behind SH12 will out be able to establish a connection to SERVER1 as a logical loop will occur when the number of optimized connections in SH11 has reached the maximum system limit. What is the best way to resolve this issue?






A. Use the largest Steelhead appliance model


B. Enter the “in-path loopguard enable” command.


C. Use more than one Steelhead appliance.


D. Limit the number of TCP connections to be optimized


E. Put SERVER1 in a different subnet from SH11






Answer: E






QUESTION 51


One method by which the Steelhead accelerates traffic is by intercepting TCP requests sent across a WAN link, then segmenting and assigning references to the data and storing them internally. Once the data segments have gone through the process once, it is considered warm data and all future segments transmitted through the Steelhead are first compared to the data already internally stored. To further speed up transmissions, which of the following occurs?






A. It doesn’t send data segments that already have been transferred across the WAN, a reference is sent instead


B. If a file is emailed first then later posted to a file server using CIFS, it can recognize the content and avoid sending the original file data across the WAN again


C. It eliminates a large portion of the redundant bytes from transfers through data streamlining


D. It eliminates protocol inefficiencies through transport streamlining if a application specific optimization module applies E All of the above






Answer:Pending


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QUESTION 52


Assuming all available slots are populated with the largest available network cards, what is the maximum number of copper LAN-WAN pairs that can be handled by a single Steelhead 5010?






A.2


B.3


C.4


D.5


E.6






Answer: E






QUESTION 53


Data for inactive flows will got exported to a Netflow collector after 15 seconds of flow inactivity. ln order to reduce the amount of traffic sent across the WAN, you would like to increase this value to 1 minute. Which of the following CLI commando can be used to change the export timer for inactive flows to 1 minute? (Hint Use the calculator)






A. ip netflow inactive_to 60


B. ip flow-settiog inactive_to 60


C. ip netflow inactive_to 1


D. ip flow-settiog inactive_to 1


E. The export time of 15 seconds cannot be changed






Answer: B






QUESTION 54


When connection forwarding is in use, when a neighbor fails, the default behavior of the remaining neighbor will be to:






A. It will start to bypass traffic immediately


B. It will start to bypass Traffic only after about 30 seconds


C. It is transparent to the outage and will continue to optimize as per normal


D. It will cease to optimize for about 30 seconds and start to optimize again.






Answer: B






QUESTION 55


In the accompanying figure, where should the WCCP redirection take place fur return traffic originating from the servers to the clients, assuming redirect IN is used? (Multiple answers)






A. A


B. B


C. C


D. D


E. E






Answer: BC






QUESTION 56


During optimization, which of the following are predefined as service ports? (Select 2 responses)






A. 7800


B. 7801


C. 7802


D. 7810






Answer: AD






QUESTION 57


Where would the core files be located in the event of a Steelhead appliance crash?






A. var/opt/tms/sysdumps/


B. var/opt/tms/coredumps/


C. /var/opt/tms.snapshots/


D. /var/log/


E. var/log/snapshots/






Answer: C






QUESTION 58


Which of the following commands would allow you to generate a system dump from the CLI?






A. sysdump


B. dump generate


C. debug generate dump


D. sysdump generate dump


E. dump generate –w filename






Answer: C


QUESTION 58



Which of the following commands would allow you to generate a system dump from the CLI?


A. sysdump


B. dump generate


C. debug generate dump


D. sysdump generate dump


E. dump generate --w filename


Answer: C


QUESTION 59


You choose to deploy a Stealhead appliance logically in-path using Policy Based Rooting (PBR) as the traffic


redirection method. Additionally, you want to mark the DSCP value for active FTP as AF21 using route-maps.


Which route-map specified DSCP value is correct?


A. EF21 B 0x48


B. 0x58


C. 0xb8


D. 18


Answer: B


QUESTION 60


A transparent pre-population share is considered as what type of share?


A. Global


B. Local


C. Broadcast


D. Read-Write


Answer: A



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