Deck 6: Network Design

Question 1

Cost assessment is used to look at the relative cost of technologies used in a network design.

Answer 1

True

Question 2

The goals in the needs analysis step of network design are exactly the same when designing LANs vs.when designing WANs.

Answer 2

False

Question 3

The step of understanding current traffic on a network provides a baseline against which future network requirements can be compared.

Answer 3

True

Question 4

Today, most network designers use a three to five year planning horizon.

Question 5

The turnpike effect results when a network is used at a much lower rate than was anticipated when it was designed.

Question 6

Needs analysis is the final step in the building block approach to network design.

Question 7

The traditional network design approach works very well for rapidly changing networks.

Question 8

Today, all network traffic is due to traffic from internal application systems.

Question 9

Cost assessment is the step in the network design in which many complex factors related to costs are documented.

Question 10

The campus backbone is usually faster than the backbones used inside buildings.

Question 11

The primary goal of the needs analysis step in network design is to develop a physical network design.

Question 12

When obtaining the support of senior management for a proposed network, it is important to use as much technical network jargon as possible.

Question 13

Capacity planning is used to design circuit capacity.

Question 14

Today, the most expensive part of the network is the hardware.

Question 15

The campus backbone or core layer) is the network architecture component responsible for providing end user access to the network.

Question 16

Today, many organizations design networks using the building-block approach.

Question 17

A traditional network design approach follows a structured systems analysis and design process similar to that used in building applications.

Question 18

Simulation is a tool that can be used in designing networks.

Question 19

In technology design, a network designer looks at available technologies to see which options will satisfy users' needs.

Question 20

Networks requirements can be divided into mandatory, desirable, and wish-list requirements.

Question 21

Which of the following is not a current trend that is making the traditional design approach less appropriate for today's networks?

A)The underlying technology of networking devices is changing very rapidly
B)The underlying technology of client and server devices is changing very rapidly
C)The underlying technology of circuits is changing very rapidly
D)Growth in network traffic is very high
E)The most expensive part of any network is the hardware

Question 22

Which of the following is not directly contributing to the dramatic increase in network traffic today?

A)Video applications on networks are becoming common.
B)Electronic mail is now used by most people who work in organizations.
C)Web searches are now commonly performed by network users.
D)Much of the video processing on computers can be off-loaded from the CPU onto high-end video cards.
E)Multimedia applications on networks are becoming common.

Question 23

In the __________ step of the building-block process to network design, the network designer examines the available technologies and assesses which options will meet the users' needs.

A)technology design
B)needs analysis
C)narrow and deep analysis
D)cost assessment
E)distribution layering

Question 24

Which of the following is not an example of identifying protocols that are needed to support hardware and software requirements of applications that will use the network?

A)an application will use HTTP over TCP/IP
B)an application will run on an IBM mainframe and so the network will require SNA traffic
C)an application will need a gateway to translate SNA traffic into TCP/IP protocols
D)an application will use SPX/IPX with a Novell file server
E)an application will have drop down menu choices

Question 25

Which of the following is not a way in which network requirements, identified in the needs analysis of the building-block network design process, are organized?

A)unnecessary requirements
B)wish list requirements
C)desirable requirements
D)mandatory requirements
E)none of the above is an appropriate answer

Question 26

In the __________ step of the building-block process to network design, the network designer attempts to understand the fundamental current and future network needs of the various users, departments, and applications.

A)technology design
B)needs analysis
C)narrow and deep analysis
D)cost assessment
E)distribution layering

Question 27

The traditional network design approach does not work well for _________ networks.

A)slowly evolving
B)rapidly growing
C)static
D)modestly growing
E)not growing

Question 28

Gaining an understanding of the current application system and messages provides a _________ against which future design requirements can be gauged.

A)backplane
B)baseline
C)turnpike document
D)wish list
E)RFP

Question 29

In the __________ step of the building-block process to network design, the network designer considers the relative cost of the technologies.

A)technology design
B)needs analysis
C)narrow and deep analysis
D)cost assessment
E)distribution layering

Question 30

Which of the following is not one of the three major steps used in of the building-block process to network design?

A)cost assessment
B)technology design
C)implementation and maintenance
D)needs analysis
E)none of the above is a correct answer

Question 31

__________ is not an important consideration when network designers review old and new applications.

A)Reviewing the NFL scores
B)Reviewing the organization's possible changes in product mix
C)Understanding the organization's strategic plans
D)Understanding development plans for new uses of electronic commerce
E)Reviewing the organization's business processes

Question 32

Which of the following is not included in the key deliverable for the needs assessment stage of the building-block network design process, the set of logical network diagrams?

A)applications of the proposed network
B)servers in the proposed network
C)circuits in the proposed network
D)specific routers that have been chosen to implement the proposed network
E)clients in the proposed network

Question 33

Which of the following is false about staff costs for a network?

A)The most expensive part of the network today is the staff who design, operate, and maintain it
B)The emphasis is on network designs that reduce staff time needed to operate them
C)Network staff are often required to learn to operate a variety of devices
D)Network staff are often required to maintain a variety of devices
E)When a variety of devices from different vendors are used in a network, it takes less time to perform network management activities

Question 34

Nowadays, most organizations use a simpler approach to network design called the ___________ approach.

A)building-block
B)frame definition
C)prototype
D)systems development life cycle
E)guided network

Question 35

Which of the following is not true about network design?

A)In designing LAN networks, network designers tend to err on the side of providing for more capacity than what is currently necessary
B)In designing BN networks, network designers tend to err on the side of providing for more capacity than what is currently necessary
C)In designing WAN networks, network designers tend to err on the side of providing for more capacity than what is currently necessary
D)In designing LAN networks, network designers tend to err on the side of providing for less capacity than what is currently necessary
E)In designing MAN networks, network designers tend to err on the side of providing for less capacity than what is currently necessary

Question 36

The goal of the needs analysis step is to produce a ___________, or a statement of the network elements necessary to meet the needs of the organization.

A)building block
B)access layer
C)core layer
D)cost assessment
E)logical network design

Question 37

Which of the following is not a step under the traditional network design approach?

A)An analyst develops cost estimates of the circuits needed to support the network.
B)An analyst takes the traffic on the current network and then multiplies that by a factor of 3.65 to come up with the estimate of the total traffic for the new network.
C)An analyst meets with users to identify user needs.
D)An analyst develops a precise estimate of the amount of data that users will send and receive to estimate the total amount of traffic on each part of the network.
E)An analyst designs the circuits to support the estimated traffic, allowing for modest growth.

Question 38

The building block design approach is sometimes called:

A)wide and shallow
B)narrow and deep
C)wide and deep
D)narrow and shallow
E)narrow and flat

Question 39

Which of the following is not an example of a building block used in technology design?

A)typical application
B)typical user
C)high traffic application
D)standard network circuit
E)specifications for a particular lighting fixture in the network operating center

Question 40

In needs analysis:

A)the costs of different physical network design alternatives are assessed
B)the goal is to understand what users and applications the network will support
C)the geographic scope is not an important consideration
D)a baseline of current operations is not important
E)the rate of growth of network traffic is not an issue

Question 41

There are some network modeling tools that can ________ the existing network.

A)discover
B)disassemble
C)sensitize
D)maintain
E)implement

Question 42

The network architecture component which enables users to access the network is the

A)LAN
B)building backbone
C)campus backbone
D)enterprise edge
E)WAN

Question 43

The large network purchases are done:

A)before the vendors) are selected
B)before the RFP is sent out
C)after the RFP is sent out, but before the vendors) are selected
D)after the vendors) are selected
E)after the network has been implemented

Question 44

A _________ results when a network is used to a greater extent than was originally anticipated by the network designer.

A)leading edge data flow
B)circuit load
C)turnpike effect
D)protocol volume
E)capacity plan

Question 45

RFP stands for:

A)Request for Proposal
B)Ring Fault Path
C)Routing File Protocol
D)Record Facsimile Program
E)Redundant File Protocol

Question 46

__________ is an estimate of the highest data volume on a link.

A)Data mode
B)Backplane load
C)Peak circuit traffic
D)Leading edge data flow
E)Circuit transfer

Question 47

________ is used to model the behavior of the planned communication network once the proposed network map is complete.

A)Implementation
B)Post-implementation review
C)Documentation
D)Simulation
E)Training users

Question 48

Which of the following would not be a type of circuit that needs to be considered when planning for technology design capacity?

A)1000 Mbps
B)Ethernet
C)10 Mbps
D)100 Mbps
E)1 Gbps

Question 49

In the technology design stage of network design,

A)the fundamental technology/protocols to be chosen have no relationship with the circuit capacity
B)the decision for fundamental technology/protocols can be made without considering circuit capacity
C)the decision for circuit capacity can be made without considering fundamental technology/protocols
D)the decisions for fundamental technology/protocols and circuit capacity are interrelated
E)the decision for fundamental technology/protocols and/or circuit capacities is not made at this stage

Question 50

Which of the following is not a main item for which network designers estimate costs for the proposed network?

A)software
B)hardware
C)purchasing and installing circuits
D)ergonomic chairs for users
E)circuits provided by common carriers

Question 51

Estimating the cost of a network is ______ complex than estimating the cost of one new piece of data processing hardware.

A)much more
B)much less
C)about the same
D)exactly the same
E)a little more

Question 52

To estimate costs for large network purchases, organizations often:

A)purchase all network purchases 'off the shelf'
B)obtain 'book value' information for the existing network from the accounting department
C)ask other companies for an itemized list of their previous year's IT equipment purchases
D)multiply old network costs by a factor of 3
E)issue an RFP to vendors

Question 53

Estimating the size and type of the "standard" and "advanced" network circuits is called _________.

A)needs categorization
B)turnpike design
C)cost assessment
D)capacity planning
E)soliciting RFPs

Question 54

According to one rule of thumb, ______ percent of circuit loading information is easy to gather.

A)50
B)25
C)80
D)19
E)20

Question 55

To establish circuit loading, the designer usually starts with the:

A)total characters transmitted per day on each circuit, or, if possible, the number of characters transmitted per two-second intervals if peaks must be met
B)individual user training
C)bus diameter, disk cache that is used at the server station
D)channel bandwidth and baud rate used at each client
E)local, trunk, IXC, DDD, and leased-line circuit bandwidth for each node

Question 56

Which of the following is a way to sell the network proposal to management?

A)talk about upgrades from 10Mbps to 100Mbps
B)give many details about using routers vs.gateways for a particular connection
C)concentrate on a discussion about token ring vs.Ethernet protocol
D)focus on the growth in network use
E)discuss SNA architecture

Question 57

Which of the following are not costs that are generally considered during the cost assessment stage of the building-block network design process?

A)cost of advertising brochures for new products to be offered by an organization
B)internetworking devices cost
C)network management costs
D)circuit costs
E)software costs for network operating system

Question 58

Once the needs have been defined in the logical network design, the next step is to develop an) __________.

A)application
B)baseline
C)technology design
D)turnpike design
E)backplane design

Question 59

___________ refers to the amount of data transmitted on a circuit.

A)Circuit loading
B)Leading edge deployment
C)Capacity planning
D)Calculating message volumes
E)Requirements documentation

Question 60

Which of the following is not a key deliverable for the cost assessment step of the building-block network design process?

A)RFP
B)list of wish list requirements
C)revised physical network diagram
D)business case, defined in business objectives and business language, that supports the network design
E)none of the above is an appropriate choice

Question 61

Compare and contrast the building-block network design process with the traditional network design process.

Question 62

What are some of the considerations that network designers have when planning for circuit capacities across a LAN and backbones?

Question 63

Describe the RFP process in detail.

Question 64

The network architecture component which contains the organization's servers is called the

A)LAN
B)building backbone
C)data center
D)enterprise edge
E)WAN

Question 65

Describe the tools that can be used in designing a network.

Question 66

Describe some of the network design tools that can be helpful in the design process.

Question 67

In a quickly evolving network, which design method is recommended? Why?

Question 68

List and describe each of the seven network architecture components.

Question 69

The network architecture component that is sometimes referred to as the distribution layer is the

A)LAN
B)building backbone
C)campus backbone
D)enterprise edge
E)WAN

Question 70

A circuit that is filled almost to its capacity and thus is the critical point that determines whether users get good or bad response times is referred to as an)

A)bottleneck
B)building backbone
C)breakneck
D)congested network
E)e-commerce edge

Question 71

Why is the RFP so important?

Question 72

The network architecture component that is a special LAN with a group of servers that enables electronic data exchange of between the organization and the external entities it does business with is called the

A)LAN
B)building backbone
C)data center
D)enterprise edge
E)e-commerce edge

Question 73

Describe the concept of linking the RFP to the vendor contract.

Question 74

Why is it important to "sell" a proposal to management? How should this be done?

Question 75

Describe the difference between a building backbone network and the campus backbone.

Question 76

Describe a layered approach to security.