cisco 642-961 CDCNID
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Cisco Data Center Networking Infrastructure Design
Exam Number: 642-961
Associated Certifications: Data Center Switching Network Infrastructure
Duration: 75 minutes (60 questions)
Available Languages: English
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Question: 1
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 Question: 2
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 Question: 3
How is FCIP traffic marked with DSCP values?
A. The Cisco MDS 9000 Series Multilayer Switch marks one DSCP value per FCIP tunnel.
B. The Cisco MDS 9000 Series Multilayer Switch marks two DSCP values per FCIP tunnel. C. The aggregation layer Ethernet switch marks one DSCP value per FCIP tunnel.
D. The aggregation layer Ethernet switch marks two DSCP values per FCIP tunnel.
Answer: B Question: 4
Which of the following attack types should be mitigated in the data center core layer?
A. port scans
B. IP spoofing
C. DDoS attacks
D. MAC address spoofing
Answer: C Question: 5
Which statement is correct about the Cisco Catalyst 4948 Switch?
A. is nonblocking
B. performs only Layer 2 switching
C. has up to 48-Gbps wire-speed performance
D. balances lower cost with lower-performance access layer switching
Answer: A Question: 6
Which statement describes an IDSM module operating in inline rather than promiscuous mode?
A. lower latency
B. higher latency
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Exam Name: Cisco Data Center Networking Infrastructure Solutions design
Exam Type: CISCO
Exam Code: 642-961 Total Questions: 83
C. lower throughput
D. higher throughput
E. higher latency and lower throughput
F. lower latency and higher throughput
Answer: B Question: 7
How many FWSM modules are needed to support 8 Gbps of throughput through an aggregation module?
A. one B. two C. four D. eight
Answer: B Question: 8
What advantage do 10-Gigabit Ethernet uplinks have over EtherChannels?
A. more reliable
B. higher bandwidth
C. faster convergence time
D. better load balancing of traffic
Answer: D Question: 9
According to Cisco best practice, which service module should be placed in service switches within the aggregation layer?
A. NAM B. CSM C. IDSM D. FWSM
Answer: B Question: 10
What is the total bandwidth available to a Cisco Catalyst 6500 Series CEF720
line card?
A. 16 Gbps B. 20 Gbps C. 32 Gbps D. 40 Gbps E. 48 Gbps
Answer: D Question: 11
Exam Description Exam Topics Recommended Training Additional Resources
Exam Description
The 642-961 CDCNID Cisco Data Center Networking Infrastructure Design exam is the exam associated with the Data Center Design Specialist. Candidates can prepare for this exam by taking the CDCNID Cisco Data Center Networking Infrastructure Design v.1.0 course. This exam indicates a professional knowledge of designing solutions within the Cisco Data Center networking infrastructure.
Exam Topics
The following information provides general guidelines for the content likely to be included on the exam. However, other related topics may also appear on any specific delivery of the exam. In order to better reflect the contents of the exam and for clarity purposes the guidelines below may change at any time without notice.
Describe the products and technologies used with Data Center Network Infrastructure
Describe the data center network architecture
Describe routing protocols used in a data center
Describe the use of Spanning Tree in a data center environment
Describe the Catalyst 6500 data center product set
Describe the Catalyst 4948
Describe Ethernet blade switches
Describe server fabric switches
Describe data center server models
Describe security components for data center infrastructure
Describe how storage protocols impact the design of an IP network
Describe the value proposition of the Cisco data center network architecture
Design the core layer of a data center infrastructure
Describe the data center core layer
Select appropriate platforms and modules in the data center core layer
Design a core layer to meet customer scalability, availability, and performance requirements
Design a core layer to meet customer security requirements
Design for traffic flows in the core
Design the aggregation layer of a data center infrastructure
Describe the data center aggregation layer
Select appropriate platforms and modules in the data center aggregation layer
Design an aggregation layer to meet customer scalability, availability, and performance requirements
Design for traffic flows in the aggregation layer
Design service module functionality into the aggregation layer
Design the access layer of a data center infrastructure
Describe the data center access layer
Select appropriate platforms and modules in the data center access layer
Design an access layer to meet customer scalability, availability, and performance requirements
Design an access layer to meet customer security requirements
Design for traffic flows in the access layer
Recommended Training
The following course is recommended for this exam.
Cisco Data Center Networking Infrastructure Design v.1.0 (DCISE)
Courses listed are offered by Cisco Learning Partners, the only authorized source for Cisco IT training delivered exclusively by Certified Cisco Instructors. Check the List of Learning Partners for a Cisco Learning Partner near you.
Additional Resources
A variety of Cisco Press titles may be available for this exam. These titles can be purchased through the Cisco Marketplace Bookstore, directly from Cisco Press.
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