642-996 DCUFD Designing Cisco Data Center Unified Fabric

Exam Number 642-996 DCUFD
Associated Certifications CCNP Data Center Certification
Cisco Data CenterUnified Fabric Design Specialist
Duration 90 minutes (65-75 questions)
Available Languages English
Register Pearson VUE

The 642-996 DCUFD Designing Cisco Data Center Unified Fabric exam is one of the exams associated with the CCNP DC certification and to the Cisco Unified Fabric Design Specialist certification. This exam tests a candidate’s knowledge of designing Cisco Data Center Unified Fabric solutions, including reference network topologies, routing protocols, traffic design concepts, storage and storage networking architectures, scalability, availability; security and management architectures.

The 642-996 DCUFD Designing Cisco Data Center Unified Fabric exam is one of the exams associated with the CCNP® DC certification and to the Cisco Unified Fabric Design Specialist certification. This 90-minute, 65−75 question exam tests a candidate’s knowledge of designing Cisco Data Center Unified Fabric solutions, including reference network topologies, routing protocols, traffic design concepts, storage and storage networking architectures, scalability, availability, security, and management architectures. The exam is closed book and no outside reference materials are allowed.

The following topics are 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.

1.0 Describe the Design Methodology 6%

1.1 Describe developing business trends

1.2 Identify business requirements driving the Data Center design

1.3 Determine the requirements needed to create a Data Center solution

1.4 Describe the tools/process to characterize an existing Data Center

1.5 Describe the top down approach to network design

2.0 Describe Data Center Structure and Modularity 7%

2.1 Describe network architectures for the Data Center

2.1.a LAN
2.1.b SAN

2.2 Describe the Modular Approach in Network Design

2.3 Describe the data center core layer

2.4 Describe the data center aggregation layer

2.5 Describe the data center access layer

2.6 Identify Design Considerations for connectivity between Data Centers

2.7 Identify the environments that use a Cisco data center virtualization solution

2.8 Identify the migration plan from existing to new infrastructure

3.0 Troubleshooting Storage Area Network in a Cisco Data Center 13%

3.1 Describe switching protocols used in a data center network

3.2 Describe IPv4/IPv6 Addressing

3.3 Identify Routing Protocol Considerations in an Data Center

3.4 Describe how various data center protocols impact the design of a data center network

3.5 Describe data center server deployment topologies

3.6 Describe how traffic flows may impact the design of a data center network

3.7 Describe methods for deploying a Energy Efficient Data Center

3.8 Describe Data Center virtualization technologies

3.9 Determine when to use each technology within a Data Center solution

3.10 Describe high availability design in the data center

4.0 Design the Core Layer of a Data Center 10%

4.1 Select the appropriate platforms and modules for use in the data center core layer

4.2 Identify scalability, availability, performance and connectivity requirements in the data center core layer.

4.3 Design for traffic flows in the data center core layer

4.4 Design for a collapsed data center core layer

5.0 Design the Aggregation Layer of a Data Center 11%

5.1 Select appropriate platforms and modules in the data center aggregation layer

5.2 Identify scalability, availability, and performance requirements in the Data Center aggregation layer

5.3 Design for traffic flows in the data center aggregation layer

5.4 Design virtualization into the data center aggregation layer

6.0 Design the Access Layer of a Data Center 22%

6.1 Select appropriate platforms and modules in the data center access layer

6.2 Identify scalability, availability, performance and connectivity requirements in the Data Center access layer

6.3 Design for traffic flows in the Data Center access layer

6.4 Design a cabling plan and topology for the Data Center access layer

6.5 Design virtualization into the data center access layer

7.0 Design Storage and SAN Solution 15%

7.1 Consult with internal leading storage vendor experts for design criteria for proper LUN sizing and data protection.

7.2 Given a particular set of data center applications and servers, identify the storage requirements to create a Cisco virtualized data center solution.

7.3 Describe block vs. filter

7.4 Describe different SAN topologies

7.5 Describe and select SAN Services

7.6 Describe Data replication

7.7 Connect the SAN Unified Fabric

8.0 Design Security Considerations into a Data Center 8%

8.1 Identify Cisco technologies to mitigate security vulnerabilities

8.2 Secure Data center network connectivity

8.3 Secure the Data center infrastructure

9.0 Design Network Management Considerations into a Data Center 8%

9.1 Describe the common industry and Cisco-specific data center network management tools.

9.2 Design a network data collection strategy for a data center.


QUESTION 1
What is one example of typical business requirements that are driving the design of installed base
data centers?

A. IT reorganization
B. virtualization
C. greater collaboration
D. physical space

Answer: C

Explanation:


QUESTION 2
What documents are not typically an output that is deliverable from the design phase?

A. high-level design
B. site requirements specification
C. troubleshooting procedures
D. migration plan

Answer: C

Explanation:


QUESTION 3
What is the most common design requirement when creating a data center solution?

A. high availability with disaster recovery
B. multicore CPU servers
C. traffic inspection for inbound traffic
D. virtualization of network resources

Answer: A

Explanation:


QUESTION 4
What is a typical output of the design planning phase that characterizes an existing data center?

A. a high-level conceptual architecture proposal
B. a gap analysis
C. a verification plan
D. reactive fault detection and correction

Answer: B

Explanation:


QUESTION 5
Which two characteristics are associated with the core layer of a Data Center Unified Fabric
network? (Choose two.)

A. no packet manipulation
B. QoS—policing
C. voice, data, and wireless convergence
D. scalable routing protocols like OSPF
E. Layer 2 default gateway redundancy
F. QoS—classification and queuing

Answer: A,D

Explanation:

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