#1
Which of the following is a common technology used for wireless communication?
#2
What is the purpose of a router in a computer network?
To connect multiple devices within a local network
To store large amounts of data
To display web pages
To scan for viruses
#3
What is the purpose of a modem in computer networking?
To connect multiple devices within a local network
To convert digital signals to analog signals for transmission over telephone lines
To display web pages
To scan for viruses
#4
What is the purpose of a DNS (Domain Name System) server?
To store website content
To convert domain names to IP addresses
To display web pages
To protect against malware
#5
What is the purpose of a VPN (Virtual Private Network)?
To connect multiple devices within a local network
To secure internet connections and protect privacy
To display web pages
To scan for viruses
#6
What is the purpose of a firewall in computer networking?
To block unauthorized access to a network
To enhance internet speed
To increase data storage capacity
To create network backups
#7
Which of the following is a potential drawback of using social media for communication?
Increased connectivity
Enhanced privacy
Information overload
Improved interpersonal relationships
#8
Which of the following is a common challenge in using voice recognition technology?
High accuracy in understanding accents
Limited vocabulary recognition
Fast response time
Easy adaptation to different environments
#9
What is the purpose of data compression in communication?
To increase data integrity
To reduce file size for efficient transmission
To improve data encryption
To enhance network security
#10
Which of the following is a common challenge in using facial recognition technology?
High accuracy in different lighting conditions
Recognition of diverse facial features
Fast processing speed
Low memory consumption
#11
What is the purpose of error detection and correction in communication?
To increase data compression
To hide the sender's identity
To secure data from unauthorized access
To ensure data integrity
#12
What is the primary purpose of encryption in communication?
To compress data
To hide the sender's identity
To secure data from unauthorized access
To enhance data transfer speed
#13
Which of the following is a potential challenge in the adoption of new communication technologies?
Increased efficiency
Reduced cost
Resistance to change
Simplified processes
#14
Which of the following is an example of asynchronous communication?
Instant messaging
Video conferencing
Email
Telephone conversation
#15
What is the primary purpose of Quality of Service (QoS) in networking?
To increase network speed
To enhance network security
To prioritize certain types of traffic
To reduce network latency
#16
Which of the following is an example of synchronous communication?
Instant messaging
Video conferencing
Email
Telephone conversation
#17
What is the primary purpose of multiplexing in networking?
To increase network speed
To enhance network security
To transmit multiple signals over a single communication channel
To reduce network latency