Question: Which would be the normal order of tasks?

Answer Options:

Requirements gathering, creating DFDs, creating use cases
Interviewing and/or JAD sessions; creating use cases; creating data flow diagrams
Creating use cases; creating DFD, holding JAD sessions
Doing activity elimination, doing use cases, doing DFDs
Doing BPR, analyzing documents, creating DFDs, creating use cases

Answer: Interviewing and/or JAD sessions; creating use cases; creating data flow diagrams

 

Question: Modality refers to:

Answer Options:

Whether a child entity can exist with or without a related instance in the parent entity
The hierarchical structure that was developed in process models applied to data models
The number of attributes generated by an entity
Whether the entity has a unique identifier (aka ‘primary key’) or a concatenated identifier (aka ‘composite key’)
Relationships of one-to-one; one-to-many; or many-to-many

Answer: Whether a child entity can exist with or without a related instance in the parent entity

 

Question: On an ERD ___________:

Answer Options:

Data elements are grouped in a hierarchical structure that is uniquely identified by number
Data elements are listed alphabetically with a cross listing to the processes that manipulate them
Processes are listed alphabetically with relationship connections drawn between processes
Data elements are listed together and place inside boxes called entities
Data elements are described as singular (1:1); plural/s (1
); or didactic (M
)

Answer: Data elements are listed together and place inside boxes called entities

 

Question: The first step to building an Entity Relationship Diagram is to _______.

Answer Options:

Identify the entities
Identify data flows from the level 0 DFD diagram
Draw the relationships between the entities
Identify the processes, data flows and data stores
Identify the attributes for each entity

Answer: Identify the entities

 

Question: The last step in creating basic ERD’s is to:

Answer Options:

Define attributes and assign identifiers
Identify relationships
Compile them with Java
Recognize entities
Test them with users

Answer: Identify relationships

 

Question: Which is NOT a purpose of the requirements definition?

Answer Options:

To give a very high-level explanation of the business requirements
A more precise list of requirements that can be used as inputs to the rest of analysis
Create functional requirements
Create cost/benefit analysis
Create non-functional requirements

Answer: To give a very high-level explanation of the business requirements

 

Question: Which is NOT a requirements analysis strategy?

Answer Options:

Understanding of the as-is system
Identifying improvements
Developing requirements for the to-be system
Root cause analysis
Understanding of screen design, layout and navigation

Answer: Understanding of screen design, layout and navigation

 

Question: Which of the following is true about a JAD facilitator?

Answer Options:

They can participate in the discussion to settle a disagreement
They keep track of all discussions by entering information into the computer
They allow sidebar discussions and unstructured activities
They recognize that some people know more about the system and proposed system and will dominate the discussion and know that is a positive thing
They set the meeting agenda

Answer: They set the meeting agenda

 

Question: The two methods to validate that an ERD is well formed are _______:

Answer Options:

Balancing with process models and renaming theory
Balancing with process models and following design guidelines created by Chen
Renaming theory
Normalization and balancing with process models
Normalization and following design guidelines created by Chen

Answer: Normalization and balancing with process models

 

Question: What is true about creating an entity relationship diagram?

Answer Options:

There will be at most seven entities
There will be at most seven relationships
It is an iterative process
Entities will have at most seven attributes
If you identify more than seven entities, analyze and combine until you have seven or less

Answer: It is an iterative process

 

Question: When normalizing data models, if you take attributes that have multiple values for a single instance of an entity and create separate entities for those attributes you are moving from:

Answer Options:

Dependent normal form (DNF) to Independent normal form (INF)
2nd normal form (2NF) to 3rd normal form (3NF)
0 normal form (0NF) to 1st normal form (1NF)
Generalized normal form (GNF) to fully normalized form (FNF)
1st normal form (1NF) to 2nd normal form (2NF)

Answer: 0 normal form (0NF) to 1st normal form (1NF)

 

Question: A popular TDM WAN technology is

Answer Options:

Frame relay
Synchronous Optical Network (SONET)
ATM
X.25

Answer: Synchronous Optical Network (SONET)

 

Question: Frequency division multiplexed WANs are used to leverage the data carrying capacity of

Answer Options:

Wi-Fi
Copper wires
PCs
Optical fiber

Answer: Optical fiber

 

Question: When traversing from the source to destination, data packets typically cross

Answer Options:

Multiple LANs and one WAN
Multiple LANs and multiple WANs
One LAN and multiple WANs
None of the above

Answer: Multiple LANs and multiple WANs

 

Question: In the TCP/IP stack, WAN technologies are considered to be instances of the

Answer Options:

Transport layer
Network layer
Physical layer
Data link layer

Answer: Data link layer

 

Question: ATM specifies data rates in the range of

Answer Options:

56 kbps – 45 mbps
56 kbps – 2 mbps
50.112 mbps – 150.336 mbps
1.544 mbps – 622.08 mbps

Answer: 56 kbps – 2 mbps

 

Question: Thick clients contain:

Answer Options:

Enormous storage abilities
Almost all or most of the application logic
Almost none or less than half of the application logic
Almost all of the data logic
None of these

Answer: Almost all or most of the application logic

 

Question: An example of a multilingual requirement is:

Answer Options:

The system will operate in English, French and Spanish
Country managers can define custom fields
All date fields will be presented in a uniform format
Personal information about English customers cannot be sent to Chinese systems
Country managers are able to change telephone number formats

Answer: The system will operate in English, French and Spanish