Deck 11: Network Design

Question 1

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

Answer 1

False

Question 2

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

Answer 2

True

Question 3

A key problem when designing data communications networks is how to adapt to new technologies while organizations change.

Answer 3

True

Question 4

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

Question 5

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

Question 6

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

Question 7

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

Question 8

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

Question 9

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

Question 10

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

Question 11

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

Question 12

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

Question 13

The technology that is closest to a user in a network design is the core layer.

Question 14

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

Question 15

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

Question 16

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

Question 17

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

Question 18

Capacity planning is used to design circuit capacity.

Question 19

The core layer of the network is usually the busiest.

Question 20

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

Question 21

Which of the following is not a step used in newer types of network design processes?

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

Question 22

Policy-based management allows the network manager to utilize special software to set priority policies for network traffic that take effect when the network becomes busy.

Question 23

SNMP cannot monitor the status of devices that are using the IPX/SPX protocol suite.

Question 24

Traffic analysis involves determining why some circuits are heavily used.

Question 25

Application management software monitors devices such as routers,hubs and switches.

Question 26

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 27

A SLA specifies the exact type of performance that the common carrier will provide and the penalties if this performance is not provided.

Question 28

In __________,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 29

One of the most commonly used network management protocols is Common Management Interface Protocol.

Question 30

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 are used in a network, it takes less time to perform network management activities

Question 31

Which of the following is not 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 32

Managed devices are the single most important element that contributes to the performance of a network.

Question 33

Which of the following is not 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) Client computers today can have 2GB of RAM, a 300 GB hard drive, and 2 Ghz processors.
E) Multimedia applications on networks are becoming common.

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

Device management software is designed to provide information about the specific devices on a network to network managers for their review and analysis.

Question 36

An alarm is a message sent to the manager's network management station indicating a critical situation with a managed network device.

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

Content caching is designed to store your own web material closer to your servers.

Question 39

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 40

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

Question 41

In needs analysis:

A) a great deal of the work has probably never been done
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 42

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 43

In __________,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 44

Which of the following is not a basic level of the geographic scope of the network?

A) local area network
B) focused area network
C) backbone network
D) metropolitan area network
E) wide area network

Question 45

Which of the following is not true about network design?

A) In designing LAN networks, network designers tend to err on the side of building too big a network
B) In designing BN networks, network designers tend to err on the side of building too big a network
C) In designing WAN networks, network designers tend to err on the side of building too small a network
D) In designing LAN networks, network designers tend to err on the side of building too small a network
E) In designing MAN networks, network designers tend to err on the side of building too small a network

Question 46

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

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

Question 47

In __________,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 48

Which of the following is a type of protocol that needs to be considered in technology design?

A) Ethernet
B) 10 Mbps
C) 100 Mbps
D) WAN
E) SNA

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

__________ 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 projections of sales

Question 51

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 52

Which of the following is not included in the key deliverable for the needs assessment stage,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 53

___________ 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 54

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

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

Question 55

Which of the following is not a conceptual part,or layer,of the geographic scope of the network?

A) core layer
B) application layer
C) access layer
D) distribution layer
E) the layer that connects the different distribution layers to each other

Question 56

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 57

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 58

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 59

Which of the following would not be collected by a designer,working in the needs analysis phase,who was documenting general information and characteristics of the environment in which the network must operate?

A) local laws that could affect the network
B) international laws that could affect the network
C) federal laws that could affect the network
D) building codes that could affect the network
E) traffic laws that could affect the network

Question 60

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 61

___________ is the design and use of information technology to improve environmental sustainability.

A) Green IT
B) Virtualization
C) Clustering
D) Specialization
E) Capacity planning

Question 62

__________ 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 63

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 64

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

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

Question 65

When devices operate as fast as the circuits they connect and add virtually no delays,we say that the device operates at _______________.

A) network speed
B) wire speed
C) content speed
D) balancing speed
E) none of the above

Question 66

Correlating the individual error messages into a pattern to find the true cause of the problem is referred to as_______

A) network-based analysis
B) application cause analysis
C) root cause analysis
D) alarm storm
E) none of the above is an appropriate answer

Question 67

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 68

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 69

Storing other people's Web data closer to your users is referred to as

A) SNMP
B) web storing
C) content caching
D) load balancing
E) traffic analysis

Question 70

Which of the following is not a key deliverable for the cost assessment step?

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 71

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 72

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 users what they paid for their network bought in the past
D) multiply old network costs by a factor of 3
E) issue an RFP to vendors

Question 73

RFP stands for:

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

Question 74

Which of the following are not costs that are generally considered during the cost assessment stage of the 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 75

_________ are standard devices,such as switches and routers,that have small onboard computers to monitor traffic flows through the device as well as the status of the device and other devices connected to it.

A) Unmanaged devices
B) Managed devices
C) MIB
D) Application hardware
E) SNMP

Question 76

A central database called the _____________,has an agent that collects information about a device and makes this information available to the network management station.

A) remote monitoring
B) simple network management protocol
C) management information base
D) system management software
E) common management interface protocol

Question 77

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 78

________ 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 79

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 80

The large network purchases are done:

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