Riverbed Riverbed Certifications 830-01 Questions & Answers

• Question 171:

  To prevent possible denial of service attack, such as TCP SYN flooding, which of the following features could be used?

  A. No TCP SYN Flooding

  B. Connection limit per source IP

  C. Limit UDP traffic

  D. Run Deep Packet Inspection on all traffic

  E. Run Deep Packet Inspection on TCP traffic only

  Correct Answer: B

• Question 172:

  In the exhibit, which interfaces should the WCCP router R1 listen to for multicast communication with the server- side Steelhead appliances, assuming the multicast address is 239.0.0.1? (Select 2)

  

  A. A

  B. B

  C. C

  D. D

  E. E

  Correct Answer: DE

• Question 173:

  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)

  A. CDP

  B. NBAR

  C. Interface Tracking

  D. HTTP

  E. ICMP

  Correct Answer: ACE

• Question 174:

  How can you enable SkipWare?

  A. SkipWare is enabled automatically when the license is installed.

  B. On the Management Console host settings menu.

  C. SkipWare is enabled by default.

  D. On the Management Console high-speed TCP menu.

  Correct Answer: A

• Question 175:

  In the exhibit, where should the WCCP redirection take place for server return traffic, assuming redirect IN is used? (Select 2)

  

  A. A

  B. B

  C. C

  D. D

  E. E

  Correct Answer: BC

• Question 176:

  In the exhibit, where should the WCCP redirection take place for traffic originating from the clients to the servers, assuming redirect IN is used?

  

  A. A

  B. B

  C. C

  D. D

  E. E

  Correct Answer: A

• Question 177:

  Which of the following points on WCCP v2 are correct? (Select 4)

  A. Intercept on outbound interface only

  B. Multicast support

  C. Able to redirect any TCP/UDP traffic

  D. Uses UDP port 2048 for control messages

  E. Multi-router support

  Correct Answer: BCDE

• Question 178:

  Refer to the exhibit.

  

  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

  Correct Answer: F

• Question 179:

  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 hop

  C. This enables WCCP multicast

  D. This enables WCCP unicast

  Correct Answer: B

• Question 180:

  Which of the following control messages are NOT used by WCCP? (Select 2)

  A. PEEK_A_BOO

  B. I_SEE_YOU

  C. REDIRECT_ASSIGN

  D. REMOVAL_QUERY

  E. KEEPALIVE

  Correct Answer: AE