Cisco 642-998

Free Questions in OTE format

About Cisco 642-998 dump

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 exam tests a candidate's knowledge of designing Cisco Data Center Unified Computing, including design concept in a server virtualization environment, scalability, reliability, performances, management.

Describe the Design Methodology 13%

• Describe developing business trends
  
• Identify business requirements driving the data center design
  
• Determine the requirements needed to create a data center solution
  
• Describe the tools/process to characterize an existing data center
  
• Describe the top down approach to network design
  

Describe Data Center Structure and Modularity 17%

• Describe network architectures for the data center:
  LAN
  SAN
  
• Describe the modular approach in network design
  
• Describe the data center core layer
  
• Describe the data center aggregation layer
  
• Describe the data center access layer
  
• Identify design considerations for connectivity between data centers
  
• Identify the environments that use a Cisco data center virtualization solution
  
• Identify the migration plan from existing to new infrastructure
  

Describe the Technologies Used within the Data Center 17%

• Describe switching protocols used in a data center network
  
• Describe IPv4/IPv6 Addressing
  
• Identify routing protocol considerations in a data center
  
• Describe how various data center protocols impact the design of a data center network
  
• Describe data center server deployment topologies
  
• Describe how traffic flows may impact the design of a data center network
  
• Describe methods for deploying an energy efficient data center
  
• Describe data center virtualization technologies
  
• Determine when to use each technology within a data center solution
  
• Describe high availability design in the data center
  

Design the Access Layer of a Data Center 17%

• Select appropriate platforms and modules in the data center access layer
  
• Identify scalability, availability, performance, and connectivity requirements in the data center access layer
  
• Design for traffic flows in the data center access layer
  
• Design a cabling plan and topology for the data center access layer
  
• Design virtualization into the data center access layer
  

Design Virtualization Solution using Cisco UCS 13%

• Gather historical performance characteristics for the network, compute and storage components of the data center.
  
• 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
  
• Given a particular set of data center applications and servers, identify the networking requirements to create a Cisco virtualized data center solution
  
• Describe the deployment of pass-thru switching (PTS) and integration with vCenter
  
• Specify the infrastructure needed to deploy a specified Cisco data center virtualization solution
  
• Deploy operating systems
  
• Specify the UCS components of solution design
  
• Identify Cisco technologies to mitigate security vulnerabilities
  
• Secure data center network connectivity
  
• Secure the data center infrastructure
  

Design Network Management Considerations into a Data Center 23%

• Describe the common industry and Cisco-specific data center network management tools
  
• Design a network data collection strategy for a data center