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WorksheetsCommunications Technology in IS
Total questions: 63
Worksheet time: 34mins
What is the main purpose of a router in a network?
To create webpages
To display data
To connect computers and transmit data
To store passwords
Which of the following is a physical transmission medium?
Bluetooth
Wi-Fi
Coaxial cable
Infrared
What device connects computers and transmits data to the correct destination on a network?
Switch
Router
Hub
Modem
What type of network is limited to a small geographical area?
MAN
WAN
LAN
VPN
Fiber optic cable is known for:
High interference
Slower speeds
Lightweight and secure data transmission
Being outdated
Which of these is NOT an example of wireless transmission media?
Satellite
Bluetooth
Coaxial cable
Infrared
A star topology connects all devices to a:
Ring
Central hub
Modem
Router
A peer-to-peer network is best described as:
A client-server setup
Centralized control
Devices with equal status sharing data
Internet-based application
Which media uses light signals to carry data?
Twisted pair
Coaxial
Fiber optic
Radio wave
The Internet is the largest example of a:
MAN
LAN
VPN
WAN
Which device provides a central point for cables in a network?
Router
Hub
Switch
Server
Which type of media is used when cables are impractical to install?
Fiber optic
Twisted-pair
Wireless
Coaxial
What does IoT stand for?
Internet of Technology
Intranet of Things
Internet of Things
Integrated Operating Tools
Which of the following is a benefit of IoT?
Increased manual labor
Faster machine-to-machine communication
Higher noise in data channels
None of the above
Which cable is known for being less susceptible to interference?
Coaxial cable
Twisted-pair cable
Fiber optic cable
Telephone line
What does a microwave station require for communication?
Cable loops
Direct sunlight
Line of sight
Cellular signal
Which term describes a network confined to a single building?
WAN
MAN
LAN
PAN
What does a client/server network consist of?
Equal peers
Decentralized systems
Servers and clients
Only wireless nodes
Which term refers to a layout of connected devices in a network?
Infrastructure
Node design
Topology
Geometry
Which network topology forms a closed loop?
Star
Ring
Mesh
Bus
Bluetooth is an example of what kind of transmission?
Wired
Fiber optic
Wireless
Satellite
Which protocol is commonly used for IoT communication?
HTTP
MQTT
FTP
SMTP
A coaxial cable is primarily used in:
Internet peer-to-peer networks
Cable TV wiring
Mobile phones
Bluetooth systems
Which device selects the fastest available path to transmit data?
Hub
Router
Switch
Modem
The term "bandwidth" refers to:
Size of the screen
Data format
Amount of data transmitted
Screen resolution
Which of the following uses satellite signals for communication?
LAN
WAN
Communications satellite
Bluetooth
What is the role of a hub in a star network?
Analyze traffic
Encrypt data
Central connection point
Boost Wi-Fi signals
What media is used in mobile phone communication?
Fiber optic
Cellular radio
Coaxial cable
LAN cable
Which is a key advantage of fiber optic over copper cables?
More interference
Larger size
Higher speed and less noise
Cheaper installation
IrDA is a type of:
Satellite connection
Infrared communication
Microwave communication
Wired protocol
A WAN covers:
A single room
A small office
A building
A large geographic area
In a ring network, data flows:
Through central server
Randomly
In one direction around the ring
Back and forth on the same wire
Which of the following connects devices in a star layout?
Central switch or hub
Series cable
Fiber bundle
Loop wire
Which is considered a wireless communication technology?
Coaxial
Twisted pair
Bluetooth
Ethernet
Which of these is part of a data communication system?
Mouse
Printer
Modem
Keyboard
What is the function of communications software?
Writing essays
Controlling data transmission
Printing labels
Organizing photos
What describes IoT in simple terms?
LAN replacement
Smart device connectivity over Internet
Computer storage
Virus detection
A peer-to-peer (P2P) network:
Requires a central server
Has no data sharing
Allows direct file exchange between users
Uses only fiber optic
What is the primary function of switches in networks?
Create HTML content
Manage power usage
Filter and forward data packets
Create virtual machines
Which wireless communication method uses line of sight?
Microwave
Bluetooth
Satellite
Ethernet
The (a) is the world’s largest WAN.
A (a) network connects LANs in a city or town.
Fiber-optic cables are less susceptible to (a) .
In a (a) network, all devices connect to a central hub.
IoT enables __________ communication (M2M).
A (a) is used to connect computers in a network via cables.
(a) radio is used for mobile communications.
The (a) topology forms a closed loop.
A (a) forwards data packets between networks.
Twisted-pair cables are commonly used for (a) systems.
A private network accessible only to an organization’s staff is called an (a) .
An (a) allows limited external access (e.g., suppliers) to an organization’s intranet.
The (a) is a global network connecting millions of private and public networks.
(a) refers to the maximum data transfer rate of a communication channel.
In a (a) network, computers share resources equally without a central server.
Microwave stations require a (a) line of sight for transmission.
(a) satellites relay signals between earth-based stations.
Bluetooth and IrDA are examples of (a) transmission media.
A (a) network topology uses a single backbone cable to connect all devices.
The (a) is a device that connects multiple network segments and filters data packets.
IoT enables (a) by allowing devices to operate without human intervention.
(a) cables are made of glass or plastic and transmit data using light.
In a (a) network, data travels in one direction around a closed loop.
