CCDA - Section 1 Flashcards
What does PPDIOO stand for?
Prepare Plan Design Implement Operate Optimize
What are 5 methods for characterizing a network?
Netflow NBAR SNMP CDP/LLDP "show commands"
Compare/Contrast Top-down vs bottom-up
Top-down starts with the application requirements, is scalable and has reduced TCO
Bottom-up draws from previous experience, and while quicker, does not consider future needs
What are 4 benefits to using PPDIOO?
- Improved business agility
- Increased network availability
- Faster access to applications
- Lower TCO
What sub-processes are associated with the “Plan” phase?
- Assessment
- Design
- Strategy & Analysis
What sub-processes are associated with the “Build” phase?
- Deployment
- Migration
- Validation
What sub-processes are associated with the “Manage” phase?
- Operations Management
- Optimization
- Product Support
- Solution Support
What are 6 project deliverables?
- HLD
- LLD
- BoM
- NMP
- NIP
- NRFU
How do you determine customer requirements?
- Identify applications and services
- Define organizational goals
- Define organizational constraints
- Define Technical goals
- Define technical constraints
What components make up a 3-tier hierarchical design?
- Core
- Distribution
- Access
What does ECMP stand for and what is it?
Equal cost MultiPath
Next-hop forwarding to a single destination can occur over multiple ‘best paths’.
What are two main forces behind design decisions?
- Business
2. Technology
What are 4 functional areas of “Cisco Enterprise Architecture”?
- Enterprise campus
- Enterprise edge
- Service Provider edge
- Remote
What are single, dual and multi-homes routers?
Single: one router, single connection to ISP A
Dual: one router, two connections to ISP A
Multi: one router, single connection to ISP A & B
What is a fault domain?
a collection of devices that are impacted by the same fault
