MIS-140 Chapter 6
Which of the following is not contributing to the dramatic increase in network traffic today? Video applications on networks are becoming common. Electronic mail is now used by most people who work in organizations. Web searches are now commonly performed by network users. Client computers today can have 2GB of RAM, a 300 GB hard drive, and 2 Ghz processors. Multimedia applications on networks are becoming common.
Client computers today can have 2GB of RAM, a 300 GB hard drive, and 2 Ghz processors.
Which of the following is not a main item for which network designers estimate costs for the proposed network? software hardware purchasing and installing circuits ergonomic chairs for users circuits provided by common carriers
ergonomic chairs for users
According to one rule of thumb, ______ percent of circuit loading information is easy to gather. 50 25 80 19 20
80
___________ refers to the amount of data transmitted on a circuit. Circuit loading Leading edge deployment Capacity planning Calculating message volumes Requirements documentation
Circuit loading
The campus backbone (or core layer) is the network architecture component responsible for providing end user access to the network. True False
False
Which of the following is not true about network design? In designing LAN networks, network designers tend to err on the side of building too big a network. In designing BN networks, network designers tend to err on the side of building too big a network. In designing WAN networks, network designers tend to err on the side of building too small a network. In designing LAN networks, network designers tend to err on the side of building too small a network. In designing MAN networks, network designers tend to err on the side of building too small a network.
In designing LAN networks, network designers tend to err on the side of building too small a network.
__________ is not an important consideration when network designers review old and new applications. Reviewing the NFL scores. Reviewing the organization's possible changes in product mix. Understanding the organization's strategic plans. Understanding development plans for new uses of electronic commerce. Reviewing the organization's business processes.
Reviewing the NFL scores.
________ is used to model the behavior of the planned communication network once the proposed network map is complete. Implementation Post-implementation review Documentation Simulation Training users
Simulation
Gaining an understanding of the current application system and messages provides a _________ against which future design requirements can be gauged. backplane baseline turnpike document wish list RFP
baseline
Which of the following is not a key deliverable for the cost assessment step of the building-block network design process? RFP list of wish list requirements. revised physical network diagram. business case, defined in business objectives and business language, that supports the network design. none of the above is an appropriate choice.
list of wish list requirements
The building block design approach is sometimes called: wide and shallow narrow and deep wide and deep narrow and shallow narrow and flat
narrow and deep
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. technology design needs analysis narrow and deep analysis cost assessment distribution layering
needs analysis
In needs analysis: the costs of different physical network design alternatives are assessed. the goal is to understand what users and applications the network will support. the geographic scope is not an important consideration. a baseline of current operations is not important. the rate of growth of network traffic is not an issue.
the goal is to understand what users and applications the network will support.
In the technology design stage of network design, the fundamental technology/protocols to be chosen have no relationship with the circuit capacity. The decision for fundamental technology/protocols can be made without considering circuit capacity. The decision for circuit capacity can be made without considering fundamental technology/protocols. The decisions for fundamental technology/protocols and circuit capacity are interrelated. The decision for fundamental technology/protocols and/or circuit capacities is not made at this stage.
The decisions for fundamental technology/protocols and circuit capacity are interrelated.
RFP stands for: Request for Proposal Ring Fault Path Routing File Protocol Record Facsimile Program Redundant File Protocol
Request for Proposal
Which of the following is not a step under the traditional network design approach? An analyst develops cost estimates of the circuits needed to support the network. 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. An analyst meets with users to identify user needs. 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. An analyst designs the circuits to support the estimated traffic, allowing for modest growth.
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.
Which of the following is a type of protocol that needs to be considered in technology design? Ethernet 10 Mbps 100 Mbps WAN SNA
Ethernet
Which of the following would not be a type of circuit that needs to be considered when planning for technology design capacity? 1000 Mbps Ethernet 10 Mbps 100 Mbps 1 Gbps
Ethernet
Needs analysis is the final step in the building block approach to network design. True False
False
The goals in the needs analysis step of network design are exactly the same when designing LANs vs. when designing WANs. True False
False
The primary goal of the needs analysis step in network design is to develop a physical network design. True False
False
The traditional network design approach works very well for rapidly changing networks. True False
False
The turnpike effect results when a network is used at a much lower rate than was anticipated when it was designed. True False
False
Today, all network traffic is due to traffic from internal application systems. True False
False
Today, the most expensive part of the network is the hardware. True False
False
When obtaining the support of senior management for a proposed network, it is important to use as much technical network jargon as possible. True False
False
When obtaining the support of senior management for a proposed network, it is important to use as much technical network jargon as possible. True False
False
Which of the following is not true about network design? In designing LAN networks, network designers tend to err on the side of providing for more capacity than what is currently necessary. In designing BN networks, network designers tend to err on the side of providing for more capacity than what is currently necessary. In designing WAN networks, network designers tend to err on the side of providing for more capacity than what is currently necessary. In designing LAN networks, network designers tend to err on the side of providing for less capacity than what is currently necessary. In designing MAN networks, network designers tend to err on the side of providing for less capacity than what is currently necessary.
In designing LAN networks, network designers tend to err on the side of providing for less capacity than what is currently necessary.
The network architecture component which enables users to access the network is the LAN building backbone campus backbone enterprise edge WAN
LAN
Which of the following is not directly contributing to the dramatic increase in network traffic today? Video applications on networks are becoming common. Electronic mail is now used by most people who work in organizations. Web searches are now commonly performed by network users. Much of the video processing on computers can be off-loaded from the CPU onto high-end video cards. Multimedia applications on networks are becoming common.
Much of the video processing on computers can be off-loaded from the CPU onto high-end video cards.
__________ is an estimate of the highest data volume on a link. Data mode Backplane load Peak circuit traffic Leading edge data flow Circuit transfer
Peak circuit traffic
Which of the following is not a current trend that is making the traditional design approach less appropriate for today's networks? The underlying technology of networking devices is changing very rapidly. The underlying technology of client and server devices is changing very rapidly. The underlying technology of circuits is changing very rapidly. Growth in network traffic is very high. The most expensive part of any network is the hardware.
The most expensive part of any network is the hardware.
A traditional network design approach follows a structured systems analysis and design process similar to that used in building applications. True False
True
Capacity planning is used to design circuit capacity. True False
True
Cost assessment is used to look at the relative cost of technologies used in a network design. True False
True
In technology design, a network designer looks at available technologies to see which options will satisfy users' needs. True False
True
Networks requirements can be divided into mandatory, desirable, and wish-list requirements. True False
True
Simulation is a tool that can be used in designing networks. True False
True
The campus backbone is usually faster than the backbones used inside buildings. True False
True
The step of understanding current traffic on a network provides a baseline against which future network requirements can be compared. True False
True
Today, many organizations design networks using the building-block approach. True False
True
Today, most network designers use a three to five year planning horizon. True False
True
Which of the following is false about staff costs for a network? The most expensive part of the network today is the staff who design, operate, and maintain it. The emphasis is on network designs that reduce staff time needed to operate them. Network staff are often required to learn to operate a variety of devices. Network staff are often required to maintain a variety of devices. When a variety of devices are used in a network, it takes less time to perform network management activities.
When a variety of devices are used in a network, it takes less time to perform network management activities.
Which of the following is false about staff costs for a network? The most expensive part of the network today is the staff who design, operate, and maintain it. The emphasis is on network designs that reduce staff time needed to operate them. Network staff are often required to learn to operate a variety of devices. Network staff are often required to maintain a variety of devices. When a variety of devices from different vendors are used in a network, it takes less time to perform network management activities.
When a variety of devices from different vendors are used in a network, it takes less time to perform network management activities
The large network purchases are done: before the vendor(s) are selected before the RFP is sent out after the RFP is sent out, but before the vendor(s) are selected after the vendor(s) are selected after the network has been implemented
after the vendor(s) are selected
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? an application will use HTTP over TCP/IP. an application will run on an IBM mainframe and so the network will require SNA traffic. an application will need a gateway to translate SNA traffic into TCP/IP protocols. an application will use SPX/IPX with a Novell file server. an application will have drop down menu choices.
an application will have drop down menu choices.
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 a(n) bottleneck building backbone breakneck congested network e-commerce edge
bottleneck
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 a(n). bottleneck building backbone breakneck congested network e-commerce edge
bottleneck
The network architecture component that is sometimes referred to as the distribution layer is the LAN building backbone campus backbone enterprise edge WAN
building backbone
Nowadays, most organizations use a simpler approach to network design called the ___________ approach. building-block frame definition prototype systems development life cycle guided network
building-block
Estimating the size and type of the "standard" and "advanced" network circuits is called _________. needs categorization turnpike design cost assessment capacity planning soliciting RFPs
capacity planning
In the __________ step of the building-block process to network design, the network designer considers the relative cost of the technologies. technology design needs analysis narrow and deep analysis cost assessment distribution layering
cost assessment
Which of the following are not costs that are generally considered during the cost assessment stage of the building-block network design process? cost of advertising brochures for new products to be offered by an organization. internetworking devices cost. network management costs. circuit costs. software costs for network operating system.
cost of advertising brochures for new products to be offered by an organization
The network architecture component which contains the organization's servers is called the. LAN building backbone data center enterprise edge WAN
data center
There are some network modeling tools that can ________ the existing network. discover disassemble sensitize maintain implement
discover
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 LAN building backbone data center enterprise edge e-commerce edge
e-commerce edge
Which of the following is a way to sell the network proposal to management? talk about upgrades from 10Mbps to 100Mbps give many details about using routers vs. gateways for a particular connection concentrate on a discussion about token ring vs. Ethernet protocol focus on the growth in network use discuss SNA architecture
focus on the growth in network use
Which of the following is not one of the three major steps used in of the building-block process to network design? cost assessment technology design implementation and maintenance needs analysis none of the above is a correct answer
implementation and maintenance
To estimate costs for large network purchases, organizations often: purchase all network purchases 'off the shelf'. obtain 'book value' information for the existing network from the accounting department. ask other companies for an itemized list of their previous year's IT equipment purchases. multiply old network costs by a factor of 3. issue an RFP to vendors.
issue an RFP to vendors
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. building block access layer core layer cost assessment logical network design
logical network design
Estimating the cost of a network is ______ complex than estimating the cost of one new piece of data processing hardware. much more much less about the same exactly the same a little more
much more
Which of the following is not a way in which network requirements, identified in the needs analysis of the network design process, are organized? non-necessary requirements wish list requirements desirable requirements mandatory requirements none of the above is an appropriate answer
non-necessary requirements
The traditional network design approach does not work well for _________ networks. slowly evolving rapidly growing static modestly growing not growing
rapidly growing
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? applications of the proposed network. servers in the proposed network. circuits in the proposed network. specific routers that have been chosen to implement the proposed network. clients in the proposed network
specific routers that have been chosen to implement the proposed network.
Which of the following is not an example of a building block used in technology design? typical application typical user high traffic application standard network circuit specifications for a particular lighting fixture in the network operating center
specifications for a particular lighting fixture in the network operating center
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. technology design needs analysis narrow and deep analysis cost assessment distribution layering
technology design
Once the needs have been defined in the logical network design, the next step is to develop a(n) __________. application baseline technology design turnpike design backplane design
technology design
To establish circuit loading, the designer usually starts with the: 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. individual user training. bus diameter, disk cache that is used at the server station. channel bandwidth and baud rate used at each client. local, trunk, IXC, DDD, and leased-line circuit bandwidth for each node.
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.
A _________ results when a network is used to a greater extent than was originally anticipated by the network designer. leading edge data flow circuit load turnpike effect protocol volume capacity plan
turnpike effect
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? unnecessary requirements wish list requirements desirable requirements mandatory requirements none of the above is an appropriate answer
unnecessary requirements
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? unnecessary requirements. wish list requirements. desirable requirements. mandatory requirements. none of the above is an appropriate answer.
unnecessary requirements.
