WorksheetsData Communication Quiz
Total questions: 15
Worksheet time: 8mins
What is data communication?
The physical transfer of data from one location to another
The storage of data in a secure database
The analysis of data patterns for decision making
The process of converting data into a different format
What is the main advantage of a centralized processing system?
Tight control on system operations and applications
Improved network performance
More responsive to users
Accessing unused processing power
Which type of topology has a single point of potential failure?
Ring Topology
Bus Topology
Star Topology
Mesh Topology
What is the purpose of a router in a network?
Manages data transmission and file transfers
Decides which path data takes
Connects network systems and controls traffic flow
Provides information or services in response to client requests
Which protocol governs data communication including error detection and transmission speed?
Protocols
TCP/IP
Routers
Routing
What is the main advantage of a wireless network?
High reliability
Improved network performance
Low cost
Mobility, flexibility, ease of installation
What is the purpose of convergence in data communication?
Integrating voice, video, and data for decision making
Improving network security
Enhancing network speed
Reducing network costs
Which architecture balances the workload between client and server?
N-Tier Architectures
Two-Tier Architecture
Hierarchical Topology
Mesh Topology
What is the function of a modem in data communication?
Decides which path data takes
Connects network systems and controls traffic flow
Manages data transmission and file transfers
Connects a user to the Internet
Which type of network spans several cities, states, or countries?
Local Area Networks
Wireless Networks
Wide Area Networks
Metropolitan Area Networks
What is the purpose of a network interface card (NIC)?
Enables computers to communicate over a network
Provides information or services in response to client requests
Manages data transmission and file transfers
Decides which path data takes
Which type of processing configuration has centralized control and decentralized operations?
Hierarchical Topology
Decentralized Processing
Centralized Processing
Distributed Processing
What is the purpose of a multiplexer in a network?
Manages data transmission and file transfers
Decides which path data takes
Connects network systems and controls traffic flow
Allows several nodes to share one communication channel
Which type of media provides a physical path along which signals are transmitted?
Transmission Media
Communication Media
Radiated Media
Conducted Media
What is the main advantage of a star topology?
Cable layouts are easy to modify
Handles heavy short bursts of traffic well
Single point of potential failure
Less cable required than other topologies
