Which digital technology is used to connect devices in a local area network (LAN)?
a) Bluetooth
b) Wi-Fi
c) Ethernet
d) NFC
Answer: c) Ethernet
Which digital technology is used to transmit data over long distances through cables or fiber optics?
a) DSL
b) Satellite
c) ISDN
d) Optical fiber
Answer: d) Optical fiber
Which digital technology is used to store and access data remotely over the internet?
a) Cloud computing
b) Virtual reality
c) Augmented reality
d) Blockchain
Answer: a) Cloud computing
Which digital technology is used to encrypt data and ensure secure communication over the internet?
a) SSL
b) VPN
c) HTTPS
d) IPsec
Answer: c) HTTPS
Which digital technology is used to convert analog signals into digital data?
a) Modulation
b) Demodulation
c) Analog-to-digital conversion
d) Digital-to-analog conversion
Answer: c) Analog-to-digital conversion
Which digital technology is used to compress and decompress audio and video files?
a) MP3
b) JPEG
c) MPEG
d) FLAC
Answer: c) MPEG
Which digital technology is used to display images and videos on a flat panel screen?
a) CRT
b) OLED
c) LCD
d) LED
Answer: c) LCD
Which digital technology is used to identify and authenticate individuals based on their unique physical or behavioral characteristics?
a) Biometrics
b) Facial recognition
c) Iris scanning
d) Fingerprint recognition
Answer: a) Biometrics
Which digital technology is used to translate natural language into computer-readable data?
a) Machine learning
b) Artificial intelligence
c) Natural language processing
d) Speech recognition
Answer: c) Natural language processing
Which digital technology is used to track the movement and location of objects using satellites?
a) GPS
b) RFID
c) Wi-Fi positioning
d) Geofencing
Answer: a) GPS
Which digital technology is used to create and manipulate 3D objects on a computer?
a) Virtual reality
b) Augmented reality
c) 3D modeling
d) 3D printing
Answer: c) 3D modeling
Which digital technology is used to protect computer systems from unauthorized access and attacks?
a) Firewall
b) Antivirus
c) Intrusion detection system
d) Encryption
Answer: a) Firewall
Which digital technology is used to automate repetitive tasks through software programs?
a) Robotic process automation
b) Artificial intelligence
c) Machine learning
d) Natural language processing
Answer: a) Robotic process automation
Which digital technology is used to create and maintain a secure and tamper-proof record of transactions?
a) Blockchain
b) Cryptocurrency
c) Smart contracts
d) Distributed ledger
Answer: a) Blockchain
Which digital technology is used to simulate realistic environments and experiences?
a) Virtual reality
b) Augmented reality
c) Mixed reality
d) Haptic feedback
Answer: a) Virtual reality
Which digital technology is used to analyze and interpret large sets of data to uncover patterns and insights?
a) Big data
b) Data mining
c) Data analytics
d) Machine learning
Answer: c) Data analytics
Which digital technology is used to authenticate and authorize users for accessing computer systems and applications?
a) Two-factor authentication
b) Single sign-on
c) Access control
d) Identity management
Answer: c) Access control
Which digital technology is used to connect devices and enable communication between them without the need for internet access?
a) Bluetooth
b) NFC
c) Wi-Fi Direct
d) Zigbee
Answer: a) Bluetooth
Which digital technology is used to create and maintain a replica of data in multiple locations for redundancy and fault tolerance?
a) Data replication
b) Data mirroring
c) Data backup
d) RAID
Answer: a) Data replication
Which digital technology is used to identify and remove malicious software from computer systems?
a) Antivirus
b) Firewall
c) Intrusion detection system
d) Encryption
Answer: a) Antivirus
Which digital technology is used to automate customer interactions and provide information or assistance through chat-based interfaces?
a) Chatbots
b) Virtual assistants
c) Natural language processing
d) Robotic process automation
Answer: a) Chatbots
Which digital technology is used to create and deliver personalized content and recommendations based on user preferences and behavior?
a) Machine learning
b) Artificial intelligence
c) Content personalization
d) Recommendation systems
Answer: c) Content personalization
Which digital technology is used to protect sensitive information by converting it into unreadable code?
a) Encryption
b) Decryption
c) Hashing
d) Steganography
Answer: a) Encryption
Which digital technology is used to automate the testing and deployment of software applications?
a) DevOps
b) Agile development
c) Continuous integration
d) Scrum
Answer: a) DevOps
Which digital technology is used to enable real-time communication and collaboration through text, voice, and video?
a) Instant messaging
b) Video conferencing
c) Voice over IP
d) Unified communications
Answer: d) Unified communications
Which digital technology is used to protect sensitive information by masking or removing personally identifiable data?
a) Anonymization
b) Data obfuscation
c) Data masking
d) Data minimization
Answer: c) Data masking
Which digital technology is used to automate repetitive tasks by imitating human actions and decision-making?
a) Robotic process automation
b) Artificial intelligence
c) Machine learning
d) Natural language processing
Answer: a) Robotic process automation
Which digital technology is used to analyze and understand human language, enabling machines to process and respond to it?
a) Natural language processing
b) Machine learning
c) Speech recognition
d) Sentiment analysis
Answer: a) Natural language processing
Which digital technology is used to create and manipulate digital images and graphics?
a) Computer-aided design
b) Graphics processing
c) Image editing
d) 3D modeling
Answer: b) Graphics processing
Which digital technology is used to ensure the integrity and authenticity of digital documents or files?
a) Digital signatures
b) Watermarking
c) Document encryption
d) Hashing
Answer: a) Digital signatures
Which digital technology is used to optimize website visibility and ranking in search engine results?
a) Search engine optimization (SEO)
b) Pay-per-click advertising
c) Content marketing
d) Social media marketing
Answer: a) Search engine optimization (SEO)
Which digital technology is used to create and distribute interactive multimedia content over the internet?
a) HTML5
b) Flash
c) JavaScript
d) CSS
Answer: a) HTML5
Which digital technology is used to process and analyze large sets of structured and unstructured data?
a) Big data analytics
b) Data mining
c) Machine learning
d) Business intelligence
Answer: a) Big data analytics
Which digital technology is used to enable secure and private communication between two parties over an untrusted network?
a) Virtual private network (VPN)
b) Secure sockets layer (SSL)
c) Internet Protocol security (IPsec)
d) Transport Layer Security (TLS)
Answer: a) Virtual private network (VPN)
Which digital technology is used to automate the process of identifying and categorizing objects or people in images or videos?
a) Computer vision
b) Image recognition
c) Object detection
d) Deep learning
Answer: a) Computer vision
Which digital technology is used to enable real-time communication and collaboration through video and audio connections?
a) Video conferencing
b) Web conferencing
c) Telepresence
d) Unified communications
Answer: a) Video conferencing
Which digital technology is used to simulate real-world environments and allow users to interact with virtual objects or characters?
a) Virtual reality
b) Augmented reality
c) Mixed reality
d) Haptic feedback
Answer: a) Virtual reality
Which digital technology is used to enable secure and convenient payment transactions using mobile devices?
a) Mobile banking
b) Near-field communication (NFC)
c) Mobile wallets
d) QR code payments
Answer: b) Near-field communication (NFC)
Which digital technology is used to automate the process of extracting information from documents and forms?
a) Optical character recognition (OCR)
b) Intelligent document processing
c) Natural language processing
d) Robotic process automation
Answer: b) Intelligent document processing
Which digital technology is used to enable real-time monitoring and control of physical devices and systems through the internet?
a) Internet of Things (IoT)
b) Machine-to-machine communication (M2M)
c) Industrial automation
d) Smart home technology
Answer: a) Internet of Things (IoT)
