Deck 4: Network Management

Question 1

Transmission speed normally is measured in bits per second.

Answer 1

True

Question 2

A network's rated speed is ________.

A)the speed it should provide
B)the speed it actually provides

Answer 2

A

Question 3

Which of the following is not a driving force for change in a company's technological infrastructure?

A)The introduction of disruptive applications.
B)Organizational change within the company.
C)The normal continuing growth of application traffic demand.
D)All of the above are driving forces for change.

Answer 3

D

Question 4

Which of the following speeds is written properly?

A)1.067 Mbps.
B)0.75 Gbps.
C).8762 kbps.
D)All of the above.
E)None of the above.

Question 5

After performing what-is analysis,it is generally a good idea to perform gaps analysis.

Question 6

Which of the following correctly orders transmission speeds from smallest to largest?

A)bps,kbps,Gbps,Mbps
B)kbps,bps,Mbps,Gbps
C)Gbps,kbps,Mbps,bps
D)bps,kbps,Mbps,Gbps

Question 7

Networking professionals only need to worry about the SDLC-not the SLC.

Question 8

10 kbps is ________.

A)1,000 bps
B)10,000 bps
C)1,024 bps
D)10,240 bps
E)None of the above.

Question 9

A multiplexed line's throughput is ________.

A)individual throughput
B)aggregate throughput

Question 10

The systems development life cycle includes the operation of a system after its creation.

Question 11

Throughput is a network's rated speed.

Question 12

Transmission speed is normally measured in ________.

A)bytes per second
B)bits per second
C)Both of the above about equally.
D)Neither A nor B

Question 13

In QoS,the S stands for ________.

A)software
B)security
C)service
D)satisfaction (for the user)

Question 14

Performing an in-depth inventory of the current state of the company's network is called ________.

A)sensitivity analysis
B)GIGO analysis
C)validation
D)what-is analysis
E)None of the above.

Question 15

47,000,000 bps is ________.

A)47 kbps
B)47 Tbps
C)47 Gbps
D)47 Mbps
E)None of the above.

Question 16

Which of the following is growing more rapidly?

A)Network demand.
B)Network budgets.
C)Both of the above are growing equally rapidly.

Question 17

Network managers do not need to worry very much about cost when making decisions.

Question 18

Throughput is ________.

A)the speed a network actually provides to users
B)a network's rated speed
C)Both of the above.
D)Neither A nor B

Question 19

Which of the following speeds is written properly?

A)1,067 Mbps.
B)0.75 Gbps.
C)87.62 kbps.
D)All of the above.
E)None of the above.

Question 20

QoS is quantified through ________.

A)criteria
B)consensus
C)metrics
D)None of the above.

Question 21

Jitter is a problem for ________.

A)voice over IP (VoIP)
B)streaming media.
C)Both A and B
D)Neither A nor B

Question 22

Variability in delay is called latency.

Question 23

Companies should measure error rates when traffic levels are low in order to have a good understanding of error rate risks.

Question 24

Jitter is a problem for ________.

A)e-mail
B)streaming media
C)Both A and B
D)Neither A nor B

Question 25

The percentage of bits that are lost or damaged during delivery is called the packet error rate.

Question 26

The Public Switched Telephone Network is designed to be available 90% of the time.

Question 27

Downtime is the percentage of time that a network is available for use.

Question 28

You can create a network diagram using ________.

A)Microsoft office Visio
B)OPNET's IT Guru
C)Either A or B
D)Neither A nor B

Question 29

If a carrier does not meet its SLA guarantees,it generally must pay a penalty to its customers.

Question 30

The percentage of packets that are lost or damaged during delivery is called the ________.

A)packet error rate
B)bit error rate
C)Neither A nor B

Question 31

The amount of time by which packets are delayed when they move through a network is called ________.

A)latency
B)jitter
C)Both A and B
D)Neither A nor B

Question 32

An SLA for availability should specify a ________.

A)maximum availability
B)minimum availability

Question 33

An SLA should specify the ________.

A)best case
B)worst case

Question 34

Which typically is designed to be available at least 99.999% of the time?

A)The telephone network.
B)Data networks.
C)Both A and B
D)Neither A nor B

Question 35

An SLA for latency should specify a ________.

A)maximum latency
B)minimum latency

Question 36

________ is the percentage of time that a network is available for use.

A)Downtime
B)Availability
C)Individual throughput
D)None of the above.

Question 37

Which of the following usually has higher availability?

A)Data networks.
B)The Public Switched Telephone Network.
C)Both of the above usually have equal availability.

Question 38

Latency is usually measured in ________.

A)bits per second (bps)
B)milliseconds (ms)
C)Megabits per second (Mbps)
D)None of the above.

Question 39

The speed that a single user receives from a multiplexed line is ________ throughput.

A)individual
B)aggregate

Question 40

Availability is the percentage of time that a network is available for use.

Question 41

Priority is assigning high priority to ________ applications while giving low priority to ________ applications.

A)latency-tolerant,latency-intolerant
B)latency-intolerant,latency-tolerant

Question 42

Overprovisioning means ________.

A)assigning high priority to latency-intolerant applications while giving low priority to latency-tolerant applications
B)adding much more switching and transmission line capacity than will be needed much of the time

Question 43

Low cost is an advantage of ________.

A)full mesh leased line networks
B)pure hub-and-spoke networks
C)Both A and B
D)Neither A nor B

Question 44

Topology is a ________ layer concept.

A)physical
B)data link
C)Both A and B
D)Neither A nor B

Question 45

________ the physical arrangement of a network's computers,switches,routers,and transmission lines.

A)Network architecture is
B)Network topology is
C)Network layout is
D)Physical layer standards are

Question 46

Overprovisioning is adding much more switching and transmission line capacity than will be needed much of the time.

Question 47

Priority restricts traffic entering the network at access points.

Question 48

Broadcasting is used in the ________ topology.

A)mesh
B)hierarchical
C)bus
D)None of the above.

Question 49

In the ________ topology,there are many possible paths between two end nodes.

A)mesh
B)hierarchical
C)Both A and B
D)Neither A nor B

Question 50

Priority is more labor-intensive than overprovisioning.

Question 51

A packet will definitely get through if it has ________.

A)QoS reserved capacity
B)high priority
C)Both A and B

Question 52

In the ________ topology,there are only two nodes.

A)mesh
B)hierarchical
C)bus
D)None of the above.

Question 53

In the ________ topology,there is only a single possible path between two end nodes.

A)mesh
B)hierarchical
C)bus
D)None of the above.

Question 54

QOS guarantees help traffic even if the traffic is not given specific QoS guarantees.

Question 55

Which of the following can be used in a complex topology?

A)Mesh.
B)Hierarchy.
C)Both A and B
D)Neither A nor B

Question 56

Which type of network typology is less expensive to operate?

A)Full mesh topology.
B)Pure hub-and-spoke topology.
C)Both A and B cost about the same to operate.

Question 57

Overprovisioning is ________.

A)wasteful of capacity
B)highly labor-intensive
C)Both A and B
D)Neither A nor B

Question 58

Most corporate leased line networks are ________.

A)full mesh leased line networks
B)pure hub-and-spoke networks
C)Both of the above.
D)Neither A nor B

Question 59

Reliability is an advantage of ________.

A)full mesh leased line networks
B)pure hub-and-spoke networks
C)Both A and B
D)Neither A nor B

Question 60

________ restricts traffic entering the network at access points.

A)Overprovisioning
B)Priority
C)QoS reservations
D)Traffic shaping
E)All of the above.

Question 61

________ is a full network simulation tool.

A)Microsoft Visio
B)IT Guru
C)Both A and B
D)Neither A nor B

Question 62

Operations manages the network on a second-by-second basis.

Question 63

Carrier costs occur during the ________.

A)SLC
B)SDLC
C)Both A and B
D)Neither A nor B

Question 64

Traffic shaping can ________.

A)filter out unwanted traffic
B)limit some traffic to a certain percentage of total capacity
C)Both A and B
D)Neither A nor B

Question 65

The total cost of ownership is the cost of a system during its development life cycle.

Question 66

The acronym OAM&P stands for ________.

A)organization,authorization,management,and planning
B)operations,administration,maintenance,and provisioning
C)operations,administration,management,and provisioning
D)organization,administration,maintenance,and planning

Question 67

Traffic shaping can substantially reduce a network's overall traffic.

Question 68

The cost of a system over its entire life cycle is called the ________.

A)total cost of ownership
B)base price
C)Both A and B
D)Neither A nor B

Question 69

Firms generally make their own routers and switches,rather than purchasing them.

Question 70

Traffic shaping reduces traffic by assigning high priority to latency-intolerant applications while giving low priority to latency-tolerant applications.

Question 71

Hardware base prices usually give an accurate indication of the actual cost of using the hardware.

Question 72

To do compression,you do not need to have compatible equipment at the two ends of the network.

Question 73

________ can help reduce the traffic coming into a network.

A)Traffic shaping
B)Compression
C)Both A and B
D)Neither A nor B

Question 74

Which of the following is not one of the categories of SDLC costs?

A)Hardware costs.
B)Software costs.
C)Outsourcing development costs.
D)All of the above are categories of SDLC costs.

Question 75

The price of hardware before adding components that will be needed in actual practice is called the ________ price.

A)total
B)base
C)preliminary
D)None of the above.

Question 76

Carrier costs are a factor in the systems life cycle.

Question 77

Which of the following should be considered in purchasing decisions?

A)Hardware costs.
B)Management costs.
C)Software costs.
D)All of the above.
E)Only A and C

Question 78

A solution fails to be scalable if it ________.

A)is too expensive at higher traffic volumes
B)is unable to grow to meet higher traffic volume
C)Both A and B
D)Neither A nor B

Question 79

________ enables network managers to envision the impacts of alternative designs.

A)Compression
B)Traffic shaping
C)Network simulation software
D)None of the above.

Question 80

If a product fails to meet minimum requirements,it should be dropped from consideration.