Deck 13: Network Design and Management

Question 1

Latency, delivery rate, and failover are usually significant factors that are included at the local area level.

Answer 1

False

Question 2

Not all analysis and design projects require all three network connectivity maps.

Answer 2

True

Question 3

Capacity planning is a fairly easy and fast operation.

Answer 3

False

Question 4

The term "feasible" has several meanings when it's applied to computer-based projects.

Question 5

Computer network technology changes at breakneck speed.

Question 6

When calculating a computer system benefits, you do not need to include intangible benefits.

Question 7

Computer simulations are easy to create, mainly because it is difficult to make mistakes in the modeling process and easy to discover them.

Question 8

The advantage of analytical modeling is that it is extremely difficult to create inaccurate analytical models and thus generate results that are invalid.

Question 9

Analyzing and designing a new computer system can be time-consuming and expensive.

Question 10

In a payback analysis, the Development Cost and Operation and Maintenance Costs total the costs of the project over its intended lifetime.

Question 11

One very important part of most computer systems today is the network.

Question 12

Setting up a benchmark test can be quite time-consuming.

Question 13

Two technologies in computer networking that often generate revenue are wireless LANs and network security.

Question 14

Computer networks are mission-critical systems, and designing a new computer network or increasing the capacity of a current system requires careful planning.

Question 15

In a payback analysis, the Cumulative Time-Adjusted Benefits are the Benefits multiplied by the present value of a dollar for each year.

Question 16

Compared to simulation, benchmarking is a relatively straightforward technique and can provide useful information when it's used to analyze a network.

Question 17

The systems development life cycle is a one-time only process.

Question 18

A metropolitan area connectivity map shares some of the characteristics of wide area maps and some of the characteristics of local area maps.

Question 19

In a wide area connectivity map, a dotted line between two sites indicates a desired path for data (or voice) transmission.

Question 20

Many experts feel analytical modeling is a good way to determine network capacity.

Question 21

In a wide area connectivity map, external sites, such as suppliers or external agents, are denoted by circles containing the letter ____.

A)E
B)F
C)M
D)X

Question 22

Assembling information on network applications requires that you create a fairly extensive list of statistics.

Question 23

A very popular sniffer that can be used on Unix and Windows networks is Ethereal/Wireshark.

Question 24

A ____ map can show how individual workstations or groups of workstations are clustered with switches, routers, hubs, and server farms.

A)local area detailed connectivity
B)local area overview connectivity
C)metropolitan area connectivity
D)wide area connectivity

Question 25

Three different modeling techniques can be used: ____ area connectivity maps, metropolitan area connectivity maps, and local area connectivity maps.

A)personal
B)wide
C)world
D)universal

Question 26

A new parameter that might have an impact on metropolitan area design is the ____.

A)link shadow
B)node distance
C)link length
D)failover time

Question 27

To examine the nodes in a wide area connectivity map in more detail, an analyst can expand each individual site into a ____ area connectivity map.

A)personal
B)local
C)world
D)universal

Question 28

In a wide area connectivity map, mobile or wireless sites are indicated by circles containing the letter ____.

A)A
B)E
C)M
D)X

Question 29

A component or network with a high availability (near 1.0) is almost always operational.

Question 30

Baseline studies are most effective when they are initiated during a time when the network is experiencing severe problems.

Question 31

It is possible to become certified on a particular type of network operating system.

Question 32

Once a baseline is created, the results can be used to identify network weaknesses and strengths.

Question 33

A system's ____ feasibility is the extent to which the system can be created, given the company's current finances.

A)technical
B)operational
C)financial
D)time

Question 34

Collecting information on system users involves determining the maximum number of users, the average number of users, and the peak number of users.

Question 35

The intent of SDLC is for ____ not to be disjointed steps in a big plan, but overlapping layers of activity.

A)cycles
B)phases
C)rounds
D)levels

Question 36

In general, a ____ approach is a series of steps and tasks that professionals, such as systems developers, can follow to build high-quality systems faster, with fewer risks, and at lower costs.

A)structured
B)random
C)linear
D)quadratic

Question 37

One of the most popular and successful plans currently used by businesses today is the ____.

A)network cycle
B)software-network cycle
C)systems development life cycle (SDLC)
D)distributed cycle

Question 38

Although every device is different, the shorter the mean time between failures, the better.

Question 39

A reliability of exactly 1.0 means the network or device is reliable 1 percent of the time.

Question 40

One technique used to model a corporation's network environment is to create ____.

A)link shadows
B)node approaches
C)dots model
D)connectivity maps

Question 41

When a company is evaluating a project's ____ feasibility, the company must ask: Can the proposed system be designed, built, tested, and installed in an amount of time that all parties find reasonable and to which they can agree?

A)financial
B)technical
C)time
D)operational

Question 42

____ involves generating system statistics under a controlled environment and then comparing those statistics against known measurements.

A)Linear projection
B)Benchmarking
C)Computer simulation
D)Analytical modeling

Question 43

When a company is evaluating a project's ____ feasibility, the company must ask: Will the proposed system produce the expected results?

A)financial
B)technical
C)time
D)operational

Question 44

To collect baseline information on ____, you create a list of the number and types of system nodes in the network.

A)operational protocol
B)system users
C)system nodes
D)network application

Question 45

One of the best techniques for determining current network capacities is creating a ____.

A)baseline
B)payback analysis
C)return of investment (ROI)
D)topline

Question 46

____ means that if something is going to cost one dollar one year from now, you need to put away less than a dollar today to pay for it.

A)Operational feasibility
B)The money value of time
C)Technical feasibility
D)The time value of money

Question 47

When performing a payback analysis calculation, you should show all dollar amounts using the ____.

A)time value of money
B)money value of time
C)computer simulation
D)benchmarking

Question 48

In a payback analysis, the ____ Costs are the Cumulative Time-Adjusted Costs plus the Cumulative Time-Adjusted Benefits for each year.

A)Time-Adjusted Benefits
B)Operation and Maintenance
C)Cumulative Lifetime Time-Adjusted
D)Time-Adjusted Costs

Question 49

____ involves the creation of mathematical equations to calculate various network values.

A)Linear projection
B)Benchmarking
C)Computer simulation
D)Analytical modeling

Question 50

Payback analysis helps you determine the approximate time for a project's payback, or ____, to occur.

A)cumulative lifetime
B)benefits derived
C)discount factor
D)return on investment (ROI)

Question 51

With respect to ____ benefits, the most common measurement is the monthly or annual savings that will result from the use of the proposed system.

A)intangible
B)tangible
C)imaginary
D)projected

Question 52

____ benefits are ones for which assigning a dollar amount is difficult; they include customer goodwill and employee morale.

A)Tangible
B)Concrete
C)Real
D)Intangible

Question 53

____ analysis is a common financial analysis technique that involves determining a proposed system's costs and benefits.

A)Payback
B)Time
C)Operational
D)Technical

Question 54

In a payback analysis, the ____ Cost is a one-time cost that occurs in Year 0.

A)Operation and Maintenance
B)Development
C)Time-Adjusted
D)Cumulative Time-Adjusted

Question 55

Network personnel create a ____ to determine the normal and current operating conditions of the network.

A)linear projection
B)computer projection
C)timeline
D)baseline

Question 56

A number of techniques exist for performing ____ planning, including linear projection, computer simulation, benchmarking, and analytical modeling.

A)financial
B)time
C)capacity
D)money

Question 57

The advantage of using a ____ is that it can mimic conditions that would be extremely difficult, if not impossible, to create on a real network.

A)computer simulation
B)linear projection
C)time projection
D)benchmark

Question 58

In a payback analysis, the ____ Costs are simply the running sums of the Time-Adjusted Costs over all the years.

A)Operation and Maintenance
B)Development
C)Cumulative Time-Adjusted
D)Time-Adjusted

Question 59

In a payback analysis, the ____ values are the running sums of the Time-Adjusted Benefits over all the years.

A)Time-Adjusted Benefits
B)Cumulative Time-Adjusted Benefits
C)Cumulative Time-Adjusted Costs
D)Time-Adjusted Costs

Question 60

When a company calculates the ____ for a proposed project, it compares the revenue generated from the project with the expenses incurred.

A)ROI (return on investment)
B)technical feasibility
C)operational feasibility
D)time feasibility

Question 61

In order to create a(n) ____________________ connectivity map, the modeler begins by identifying each site or location in which the company has an office.

Question 62

When a system demonstrates ____________________ feasibility, it operates as designed and implemented.

Question 63

A professional called a(n) ____________________ typically is responsible for managing a project and following the SDLC phases.

Question 64

____________________ is the amount of time necessary for the metropolitan area network to reconfigure itself or reroute a packet, should a given link fail.

Question 65

The ____________________ is a concept that states that one dollar today is worth more than one dollar promised a year from now.

Question 66

The ________________________________________ is a structured approach to the development of a business system.

Question 67

If a company desires a metropolitan area network connection between one of its offices and another business, it can use a(n) ____________________ connectivity map to outline this connection and define the desired network characteristics.

Question 68

A protocol analyzer is also known as ____.

A)cable tester
B)catcher
C)simulator
D)sniffer

Question 69

The ____ includes the time needed to bring the system back up to normal operation.

A)mean time between failures
B)mean time to repair
C)availability
D)reliability

Question 70

____________________ charts the initial costs and yearly recurring costs of a proposed system against the projected yearly income (benefits) derived from the proposed system.

Question 71

The ____ software controls the operations of a managed element and maintains a database of information about all managed elements.

A)SNMP agent
B)SNMP manager
C)SMTP manager
D)SMTP agent

Question 72

____ is a protocol that allows a network administrator to monitor, analyze, and troubleshoot a group of remotely managed elements.

A)Remote Network Monitoring (RMON)
B)Simple Mail Transfer Protocol (SMTP)
C)Remote Login (rlogin)
D)File Transfer Protocol (FTP)

Question 73

Four statistics, or measures, that are useful in evaluating networks are mean time between failures, mean time to repair, ____, and reliability.

A)payback
B)integrity
C)availability
D)ROI

Question 74

To learn new skills and demonstrate proficiency within a particular area, the network administrator can obtain ____.

A)certification
B)policies
C)ROI
D)capacity planning

Question 75

A system's ____________________ feasibility is the extent to which the system can be installed in a timely fashion and meets organizational needs.

Question 76

Collecting baseline information on ____ involves listing the types of operational protocols used throughout the system.

A)system users
B)operational protocols
C)network application
D)system nodes

Question 77

Typically, a switched network reaches saturation when its network utilization is at ____ percent.

A)55
B)60
C)80
D)100

Question 78

The ____________________ feasibility of a system is the extent to which the system can be created and implemented using currently existing technology.

Question 79

____ is an industry standard created by the Internet Engineering Task Force and designed originally to manage Internet components.

A)Simple Mail Transfer Protocol (SMTP)
B)Internet Control Message Protocol (ICMP)
C)Simple Network Management Protocol (SNMP)
D)Transport Control Protocol (TCP)

Question 80

If only an overview of a local network is desired, then the analyst can create a(n) ____________________ connectivity map.