Deck 5: Networks and the Internet

Question 1

Item 1 in the picture above is twisted pair cable.

Answer 1

True

Question 2

Communication protocols are rules for efficiently transmitting data from one network node to another.

Answer 2

True

Question 3

Local Area Networks (LANs)connect computers within a limited geographical area, usually spread over several buildings.

Answer 3

False

Question 4

The Ethernet adaptor pictured above is for a USB port.

Question 5

Coaxial cables are bundles of extremely thin tubes of glass that transmit data as pulses of light.

Question 6

Data in a wired network travels between devices using cables.

Question 7

A network client is sometimes called a workstation.

Question 8

Item 1 in the picture above is an essential part of the Internet backbone.

Question 9

A communications network is the combination of hardware, software, and connecting links that transport data.

Question 10

The device pictured above equipped with MIMO technology, which uses two or more antennas to send multiple sets of signals between network devices.

Question 11

To connect to a network, a computer requires network circuitry.

Question 12

Radio waves have more carrying capacity than microwaves.

Question 13

Modulation means changing a signal back to its original state.

Question 14

Every node on a network has an address.

Question 15

A logical address is built into the circuitry of most network devices when they are manufactured.

Question 16

A DSL modem , like the one shown in the figure above, prevents voiceband signals from interfering with DSL signals.

Question 17

Because of the risks of unauthorized intrusions and viruses, most computer owners opt not to network their computers.

Question 18

A gateway is used to connect two similar networks.

Question 19

One of the most significant network ideas was conceived by Bob Metcalfe in 1948.

Question 20

The cables shown in the figure above are used to connect the network devices in an Ethernet network.

Question 21

In order to offer television and Internet access, the cable's bandwidth is divided among the following activities EXCEPT ____.

A)TV channels
B)downstream data
C)upstream data
D)subscriber data

Question 22

In a ____ network, workstations serve as both clients and servers.

A)local area
B)star
C)peer-to-peer
D)narrowband

Question 23

In the URL www.course.com, the domain name is ____.

A)course
B)com
C)course.com
D)www

Question 24

____ is a software utility that is useful for finding out if a site is running and if the connection is strong.

A)Bluetooth
B)POTS
C)Traceroute
D)Ping

Question 25

NSP equipment and links are tired together by network service providers .

Question 26

An example of the physical layout and relationship between network devices is ____.

A)peer
B)fiber
C)tree
D)optic

Question 27

____ is NOT an advantage of using a network.

A)Reduction in costs
B)Expansion of access
C)Reduction in data sharing
D)Collaboration

Question 28

Networks that use different technologies can be connected using a(n)____.

A)bridge
B)node
C)gateway
D)driver

Question 29

A(n)____ cable is high capacity, and is the type used to transport TV signals.

A)fiber-optic
B)coaxial
C)USB
D)twisted-pair

Question 30

A DSL modem plugs into your computer ____ or Ethernet port.

A)USB
B)CATV
C)ISDN
D)infrared

Question 31

A(n)____, which is a combination transmitter and receiver, sends and receives signals in a wireless network using an antenna.

A)transceiver
B)Ethernet card
C)repeater
D)modem

Question 32

____ is NOT a popular wireless LAN technology.

A)NIC
B)Wi-Fi
C)Bluetooth
D)ZigBee

Question 33

Which of the following is true about DSL lines?

A)DSL lines are analog.
B)DSL providers are responsible for the physical cabling.
C)DSL does not involve a phone company.
D)DSL is an example of an always-on connection.

Question 34

A ____ shares hardware, software, and data among authorized users.

A)network
B)protocol
C)hyperlink
D)transmitter

Question 35

The unauthorized access of your wireless network outside your home is called ____.

A)pharming
B)phishing
C)LANjacking
D)colliding

Question 36

The bandwidth of a channel carrying digital data is usually measured in ____.

A)baud rate
B)bits per second
C)frequency
D)hertz

Question 37

In a network like the one shown in the figure above, workstations share responsibility for processing, storage, printing, and communications tasks.

Question 38

A disadvantage to networks is the ____.

A)increased software costs
B)increased hardware costs
C)unauthorized access
D)data sharing

Question 39

The classifications PAN, LAN, WAN, NAN, and MAN indicate the ____ of a network.

A)geographical structure
B)organizational structure
C)physical topology
D)channel

Question 40

A(n)____ IP address is permanently assigned.

A)dynamic
B)domain
C)logical
D)static

Question 41

The figure above shows the organizational structure of a ____ network.

A)peer-to-peer
B)workstation
C)P2P
D)client\server

Question 42

Item ____ in the figure above is used to transmit data as pulses of light.

A)1
B)2
C)3

Question 43

The connection shown in the above figure uses ____ to connect to the Internet.

A)a cable wall jack
B)satellite
C)DSL
D)Bluetooth

Question 44

Bluetooth networks are called ____.

A)cellnets
B)PDAnets
C)piconets
D)technonets

Question 45

Which of the following is NOT true about WAP-enabled devices?

A)They have small, low-resolution screens.
B)They are portable.
C)They contain a microbrowser.
D)They use twisted pair cables.

Question 46

The nonprofit organization, ____, is the world's leading professional association for the advancement of technology.

A)IEEE
B)WCS
C)LNS
D)ISP

Question 47

One of the most well-known fixed wireless standards is ____, which transmits data to and from antennas mounted on towers like the one shown in the figure above.

A)Wi-Fi
B)WiMAX
C)DSL
D)WAP

Question 48

Item ____ in the picture above is a high-capacity cable used to transport TV signals.

A)1
B)2
C)3

Question 49

Each section of an IP address is called an octet because in binary it is represented by ____ bits.

A)2
B)8
C)16
D)24

Question 50

Item ____ in the picture above contains four pairs of copper wires.

A)1
B)2
C)3

Question 51

Item 1 in the above figure is a ____.

A)client
B)workstation
C)peer
D)server

Question 52

A(n)____ server runs application software for network workstations.

A)print
B)file
C)application
D)client

Question 53

Most wireless networks transport data as ____ signals.

A)microwave
B)infrared
C)telephone
D)radio frequency

Question 54

A modem is a network device, or network ____, connected to a computer that converts the digital signals from a computer into signals that can travel over a network.

A)appliance
B)adapter
C)hub
D)switch

Question 55

A(n)____ is the range of network coverage for a public Wi-Fi.

A)LAN
B)hotspot
C)WAN
D)WiMAX

Question 56

The sounds you hear as two modems or fax machines connect are examples of ____.

A)routing
B)handshaking
C)bridging
D)cabling

Question 57

An Ethernet card is also call a(n)____.

A)CPU
B)ISP
C)LAN
D)NIC

Question 58

When shopping for cables to connect a network, which would be the best rating?

A)1
B)3
C)5
D)None of the above

Question 59

A storage device that directly connects to a network is called ____.

A)MIMI technology
B)communications channel
C)network attached storage
D)workstation router

Question 60

The figure above shows the organizational structure of a ____ network.

A)P2P
B)workstation
C)client\server
D)client-to-client

Question 61

The most commonly used gateway is a(n)____________________, which is an electronic device that provides an access point from one network to another.

Question 62

A software utility called ____ records a packet's path.

A)Ping
B)TCP\IP
C)Traceroute
D)IP

Question 63

High-bandwidth communications systems, such as cable TV and DSL, are referred to as ____________________.

Question 64

____________________ light carries data signals for short distances and with a clear line of sight.

Question 65

____ is the rate of data that is transmitted from your computer to the Internet.

A)Upstream speed
B)Transmission speed
C)Downstream speed
D)Communication speed

Question 66

Microsoft Windows displays the ____ icon on the taskbar to indicate the status of a network.

A)Network
B)Channel
C)Local Area Connection
D)Protocol

Question 67

In a(n)____________________\server network, the network must have at least one server and one or more workstations.

Question 68

____ Internet access links your computer to an ISP from a stationary point, such as a wall socket or roof-mounted antenna.

A)Fixed
B)Portable
C)Mobile
D)Permanent

Question 69

____________________ is a short-range wireless network technology that is designed to make its own connections between electronic devices.

Question 70

____________________ is the transmission capacity of a communications channel.

Question 71

A(n)____________________ server stores files and supplies them to workstations on request.

Question 72

____ is a protocol designed to automatically distribute IP addresses.

A)TCP
B)ICANN
C)TCP\IP
D)DHCP

Question 73

Network troubleshooting includes ____.

A)making sure your password has not expired
B)looking for sources of interference
C)checking the signal strength
D)all of the above

Question 74

A dial-up connection uses POTS to transport data between your computer and your ISP. POTS stands for ____.

A)preferential online telephone service
B)plain old telephone service
C)provider online technical service
D)phone online technical service

Question 75

A wireless network has a SSID which helps you log into the right network. SSID stands for ____.

A)shared services identifier
B)service set identifier
C)signal strength identifier
D)secure services identifier

Question 76

Powerline network equipment is sold under ____ network labels.

A)HomePlug
B)HPLC
C)HomePLC
D)All of the above

Question 77

____ speed is the rate of data arriving at your computer.

A)Upstream
B)Downstream
C)Transmission
D)Communication

Question 78

Each connection point on a network is called a(n)____________________.

Question 79

For ____ Internet service, a satellite dish is typically mounted on a vehicle.

A)portable satellite
B)mobile WiMAX
C)mobile broadband
D)fixed wireless

Question 80

Drive ____ assigns a drive letter to a storage device located on a network workstation.

A)mapping
B)lettering
C)designating
D)operating