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642-961 Exam

Cisco Data Center Networking Infrastructure Solutions design

Exam Number/Code : 642-961
Exam Name : Cisco Data Center Networking Infrastructure Solutions design
Questions and Answers : *** Q&As.
Update Time: 2011-10-24
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Exam : Cisco 642-961
Title : Cisco Data Center
Networking Infrastructure Solutions Design

1. Refer to the exhibit. Where is Layer 2 adjacency required?
A. server-to-server only
B. access-to-server only
C. aggregation-to-access only
D. aggregation-to-access and access-to-server
Answer: B

2. A very large blade-server deployment has high throughput requirements for both data and storage networks. Which access layer option would you recommend?
A. blade server Ethernet switch with Cisco SFS 3000 Series Multifabric Switch
B. blade server InfiniBand switch with Cisco SFS 3000 Series Multifabric Switch
C. blade server Ethernet switch that is connected to Cisco Catalyst 4948 top-of-rack switch
D. blade server Ethernet switch that is connected to Cisco Catalyst 6500 Series end-of-rack switch
Answer: B

3. Which type of HPC application requires low latency?
A. financial analytics
B. finite element analysis
C. digital image rendering
D. seismic and geophysical modeling
Answer: B

4. Which type of network in an HPC environment most requires low latency?
A. MPI
B. access
C. private
D. storage
Answer: A

5. Which statement best describes the data center core layer?
A. connects to the campus aggregation layer
B. provides a resilient Layer 2 routed fabric
C. is typically merged with the campus core layer
D. load balances traffic between the core and aggregation layers
Answer: D