642-998 DCUCD Designing Cisco Data Center Unified Computing

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Exam Number 642-998 DCUCD
Associated Certifications CCNP Data Center Certification
Cisco Data Center Unified Computing Design Specialist
Duration 90 minutes (65-75 questions)
Available Languages English

The 642-998 DCUCD Designing Cisco Data Center Unified Computing exam is associated with the CCNP® DC certification and with the Cisco Unified Computing Design Specialist. This 90-minute, 65−75 question exam tests a candidate’s knowledge of designing Cisco Data Center Unified Computing, including design concepts in a server virtualization environment, scalability, reliability, performance and management. 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 13%

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 17%

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 Describe the Technologies Used within the Data Center 17%

3.1 Describe switching protocols used in a data center network

3.2 Describe IPv4/IPv6 Addressing

3.3 Identify routing protocol considerations in a 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 an 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 Access Layer of a Data Center 17%

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

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

4.3 Design for traffic flows in the data center access layer

4.4 Design a cabling plan and topology for the data center access layer

4.5 Design virtualization into the data center access layer

5.0 Design Virtualization Solution using Cisco UCS 13%

5.1 Gather historical performance characteristics for the network, compute and storage components of the data center.

5.2 Given a particular set of data center applications and servers, identify the number of physical machines necessary to create a Cisco virtualized data center solution

5.3 Given a particular set of data center applications and servers, identify the networking requirements to create a Cisco virtualized data center solution

5.4 Describe the deployment of pass-thru switching (PTS) and integration with vCenter

5.5 Specify the infrastructure needed to deploy a specified Cisco data center virtualization solution

5.6 Deploy operating systems

5.7 Specify the UCS components of solution design

5.8 Identify Cisco technologies to mitigate security vulnerabilities

5.9 Secure data center network connectivity

5.10 Secure the data center infrastructure

6.0 Design Network Management Considerations into a Data Center 23%

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

6.2 Design a network data collection strategy for a data center

What allows for STP to be disabled yet support a loop-free topology even on link or switch failure?

C. vPC
D. vPC+
E. FabricPath

Answer: E

Which two devices operate only at OSI Layer 2? (Choose two.)

A. Cisco Nexus 7010
B. Cisco Nexus 5548
C. Cisco Nexus 5596
D. Cisco Nexus 5020
E. Cisco Nexus 3016
F. Cisco Nexus 2248

Answer: D,F

Which three benefits make a data center core Cisco Nexus 7010 Switch an effective solution? (Choose three.)

A. high availability
B. high performance
C. unified I/O
D. support for data center service modules
E. IP multicast
F. support for 24-port Gb/s line card
G. virtualization

Answer: A,B,C

Which three statements about Cisco UCS Manager are true? (Choose three.)

A. supports role-based user access for fine-grained control of user rights
B. builds a hardware inventory for the Cisco UCS domain
C. performs configuration of Fabric Interconnects
D. deploys operating systems to servers
E. supports multiple Cisco UCS domains
F. uses a built-in LDAP server to authenticate users
G. Locales provide users with language translations of the Cisco UCS Manager.
H. provides basic tools for troubleshooting and managing external storage systems

Answer: A,B,C

You have a Cisco UCS environment. In which two ways can you track network usage trends during a six-month period? (Choose two.)

A. collection policies in Cisco UCS Manager
B. service templates in Cisco UCS Manager
C. CiscoWorks Device Fault Manager
D. Cisco Performance Manager
E. Device Discovery in Cisco Prime Data Center Network Manager

Answer: A,D


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