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Exam 101-01 topic 2 question 148 discussion

Actual exam question from Riverbed's 101-01
Question #: 148
Topic #: 2
[All 101-01 Questions]

Which of the following correctly describe the two topology deployment modes of SteelHead SaaS? (Select two.)

  • A. In direct mode, the cloud optimized traffic is encapsulated at the branch-side SteelHead appliance.
  • B. Direct mode cannot be used if the internet traffic exit points is centralized at the customer data center and not available from the branch.
  • C. In backhaul mode the cloud-optimized traffic is encapsulated at the data center but the SSL optimization starts at the branch.
  • D. Backhaul mode allows to optimize traffic to the cloud from the data center without the need of a branch SteelHead.
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Suggested Answer: AC 🗳️
A: In direct mode, the ESH appliance encapsulates the traffic and sends it directly to a server in the Akamai (Branch Office xample) network. Akamai SureRoute optimization technology ensures that the traffic is forwarded through the Akamai network along the fastest path toward its destination at the data center hosting the
SaaS application.
Figure: Example of Direct Branch Internet Deployment

C: Back-hauled Internet Deployment
In this topology, the branch does not have its own connection to the Internet. All traffic directed to the Internet is back-hauled over a private WAN or VPN to the organizations data center.
Although the DCSH encapsulates the traffic, it plays no role in the SSL optimization process. SSL optimization still takes place between the ESH appliance and the
ACSH. Ensure that you establish the SSL peering trust between them.
Figure: Example of Back-hauled Internet Deployment

References: SteelHeadSaaS Users Guide, RiOS Version 9.1, July 2015, pages 8-9
by gemazyni at April 6, 2025, 1:17 a.m.

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