Problem Detection and Resolution (10%)

Question 1

Fishbone is….

Answer 1

A diagramming tool for Cause and Effect / Root Cause Analysis

AKA - Ishikawa Diagram

Question 2

Five Whys is used for…

Answer 2

Root cause analysis

Question 3

Systems Thinking

- main concept (high level)

Answer 3

Is the process of seeing things as a system of interrelated actions/reactions that led to some result

Question 4

Risk Management in Agile

- when is it done?

Answer 4

Every iteration, during every Agile meeting

Question 5

What is a Risk Census?

Answer 5

An assessment of Risk that takes:

• Probability of Risk
• Impact to schedule
• Risk exposure in days (probability * size of loss in days)

Question 6

Risk Adjusted Backlog

- does what to backlog items?

Answer 6

Lowers their priorities based on higher risk

Question 7

What is one strategy to help identify project risks?

Answer 7

Premortem..

Imagine that a project has failed, and work backwards

Question 8

Verification vs. Validation

Answer 8

Verify = Us: verify that what we built works

Validation = Customer: verify that what we built is what they wanted and works for them

Question 9

Spike

• why is this done?
• name 2 aspects to it…
• name the 2 reasons why you would do it?

Answer 9

To experiment away a risk or uncertainty

• work is considered throw away
• timeboxed
  1. Architecture - research/proove a certain aspect of the architecture
  2. Risk - proves/disproves how risky something is

Question 10

Agile KPIs

- What answers do they provide?

Answer 10

1. Are we achieving our strategic and tactical goals?

2. Are our people performing at optimal levels?

Question 11

Agile EVM

- when do you apply this?

Answer 11

Only at the iteration level

Question 12

Scope Metrics

- name 4 types of these

Answer 12

1. Approved iterations per release
   - a manager would track planned vs. actual
2. User stories completed per iteration (burn down)
3. Carried-over user stories
   - are we trying to do too much, or did we not decompose well enough
4. Backlog size

Question 13

Cumulative Flow diagram

- what do you look for?

Answer 13

When the bands thicken - this indicates bottlenecks between states

Question 14

Cumulative Flow diagram

• what is type of Agile method is it most associated with
• what 3 things are in this diagram?

Answer 14

Kanban

1. Planned features
2. Work in progress
3. Features completed

• Shows insight into Burnup (completed features), Cycle time, WIP, and Bottlenecks

Question 15

Burn Rate

- how is this calculated

Answer 15

Teams combined cost
x
Iterations
x
Days

Question 16

Quality metrics

- name 3 types of these

Answer 16

1. Code testing coverage
2. Defect rate &/or escaped defects per release
3. Control limits

Question 17

Control limits

- general concept…

Answer 17

Choose something to track, set upper and lower acceptable limits, choose unacceptable upper and lower limits.

Question 18

Lean has a ‘Burndown’ type chart that is called

“Business ____ _____ Chart”

Answer 18

Value Delivered

Question 19

Spikes are associated with what Agile methodolgology

• Scrum?
• DSDM?
• XP?
• Kanban?

Answer 19

XP

Question 20

What is ROTI and what is it used for…

Answer 20

Return on Time Invested

- Measure of whether time was used effectively