Cisco 642-998 : Designing Cisco Data Center Unified Computing
- Exam Code: 642-998
- Exam Name: Designing Cisco Data Center Unified Computing
- Updated: Oct 13, 2026
- Q & A: 182 Questions and Answers
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Cisco 642-998 Exam Topics:
| Section | Weight | Objectives |
|---|---|---|
| Describe Data Center Structure and Modularity | 17% | 1 Describe network architectures for the data center a) LAN b) SAN 2 Describe the modular approach in network design 3 Describe the data center core layer 4 Describe the data center aggregation layer 5 Describe the data center access layer 6 Identify design considerations for connectivity between data centers 7 Identify the environments that use a Cisco data center virtualization solution 8 Identify the migration plan from existing to new infrastructure |
| Design the Access Layer of a Data Center | 17% | 1 Select appropriate platforms and modules in the data center access layer 2 Identify scalability, availability, performance, and connectivity requirements in the data center access layer 3 Design for traffic flows in the data center access layer 4 Design a cabling plan and topology for the data center access layer 5 Design virtualization into the data center access layer |
| Design Virtualization Solution using Cisco UCS | 13% | 1 Gather historical performance characteristics for the network, compute and storage components of the data center. 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 3 Given a particular set of data center applications and servers, identify the networking requirements to create a Cisco virtualized data center solution 4 Describe the deployment of pass-thru switching (PTS) and integration with vCenter 5 Specify the infrastructure needed to deploy a specified Cisco data center virtualization solution 6 Deploy operating systems 7 Specify the UCS components of solution design 8 Identify Cisco technologies to mitigate security vulnerabilities 9 Secure data center network connectivity 10 Secure the data center infrastructure |
| Describe the Technologies Used within the Data Center | 17% | 1 Describe switching protocols used in a data center network 2 Describe IPv4/IPv6 Addressing 3 Identify routing protocol considerations in a data center 4 Describe how various data center protocols impact the design of a data center network 5 Describe data center server deployment topologies 6 Describe how traffic flows may impact the design of a data center network 7 Describe methods for deploying an energy efficient data center 8 Describe data center virtualization technologies 9 Determine when to use each technology within a data center solution 10 Describe high availability design in the data center |
| Design Network Management Considerations into a Data Center | 23% | 1 Describe the common industry and Cisco-specific data center network management tools 2 Design a network data collection strategy for a data center |
| Describe the Design Methodology | 13% | 1 Describe developing business trends 2 Identify business requirements driving the data center design 3 Determine the requirements needed to create a data center solution 4 Describe the tools/process to characterize an existing data center 5 Describe the top down approach to network design |
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