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Cisco 642-972 Exam Syllabus Topics:

SectionObjectives
Load Balancing and Application Delivery Controllers (ADC)- Load balancing concepts
  • 1. Persistence (sticky sessions)
    • 2. Round-robin, least connections, and hash-based methods
      - Cisco ACE and application services
      • 1. High availability and redundancy design
        • 2. ACE module deployment and design considerations
          Security and SSL Services- SSL offloading and termination
          • 1. SSL termination modes
            • 2. Certificate management in ADC environments
              - Application security integration
              • 1. Secure application delivery design principles
                • 2. Threat mitigation at application layer
                  Deployment and Troubleshooting Considerations- Deployment planning
                  • 1. Integration with data center infrastructure
                    • 2. Migration strategies for application services
                      - Operational troubleshooting
                      • 1. Common ADC issues and diagnostics
                        • 2. Monitoring and logging strategies
                          Application Services Architecture in Data Centers- Service integration points
                          • 1. L4-L7 service insertion points
                            • 2. Virtualized application services architecture
                              - Data center application delivery models
                              • 1. Client-server and multi-tier application architectures
                                • 2. Application traffic flow design considerations
                                  Scalability, Availability, and Performance Design- High availability design
                                  • 1. Active-active and active-standby architectures
                                    • 2. Failover mechanisms and redundancy planning
                                      - Performance optimization
                                      • 1. Traffic optimization strategies
                                        • 2. Latency reduction techniques

                                          Cisco Data Center Application Services Design Sample Questions:

                                          You are the network consultant from The Tech LTD. How to describe global server load balancing loaD.balance?

                                          • A. DNS replies to
                                          • B. links to servers in different data centers
                                          • C. links between servers
                                          • D. DNS requests to different DNS servers
                                          • E. proxies, by providing either a varying, dynamically-ordered list or a single IP address
                                          Reveal Solution  Discussion  0

                                          Correct Answer: A  🗳️

                                          Which statement is true for the required Cisco ACE configuration while configuring firewall load balancing for all outbound client traffic?

                                          • A. no VIP is configured and all policy is based on class-default
                                          • B. a VIP with IP address 255.255.255.255 is used as the catchall
                                          • C. a VIP with IP address 0.0.0.0 is used as a catchall
                                          • D. no VIP with IP address 0.0.0.0 is used as a catchall
                                          Reveal Solution  Discussion  0

                                          Correct Answer: C  🗳️

                                          You are the network consultant from The Tech LTD. You plan to do a site survey for a DCAS solution, which survey question will be most useful in determining whether a Cisco ACE appliance or Cisco ACE Module should be recommended?

                                          • A. Is the information transmitted in each connection a consistent size?
                                          • B. Is the information transmitted in each connection large?
                                          • C. Is there a need for compression aside from that needed for load balancing?
                                          • D. Is the information transmitted in each connection secure?
                                          Reveal Solution  Discussion  0

                                          Correct Answer: C  🗳️

                                          You are the network consultant from The Tech LTD. If a resource class has two member contexts and is allocated a minimum and maximum of 40% of all resources, which two actions for this resource class would be denied by the Operating System? (Choose two.)

                                          • A. adding additional member contexts
                                          • B. Set the minimum allocation to 60%
                                          • C. removing member contexts
                                          • D. Set the maximum allocation to unlimited
                                          Reveal Solution  Discussion  0

                                          Correct Answer: A,B  🗳️

                                          You are the network administrator for The Tech LTD. You plan to implement DSR configuration, which two statements are true about it? (Choose two.)

                                          • A. it is impossible for Layer 4 load balancing
                                          • B. PBR can redirect return traffic to the Cisco ACE appliance.
                                          • C. Statefulsecurity tracking is not possible; TCP flows must be timed out to be removed from memory.
                                          • D. It is impossible for Layer 7 load balancing
                                          Reveal Solution  Discussion  0

                                          Correct Answer: C,D  🗳️

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