Questions and Answers
What does data communication refer to?
Transmitting and receiving data between devices over a communication channel
How many components are there in a Data Communications system?
Five
What does the term 'telecommunication' mean?
Communication involving telephony, telegraphy, and television
What is the main goal of networking?
Signup and view all the answers
What is the function of a router in a network?
Signup and view all the answers
Which device connects to an internet service provider (ISP) to provide internet access to a network?
Signup and view all the answers
What is the primary function of a modem in a network setup?
Signup and view all the answers
How do protocols contribute to data communications?
Signup and view all the answers
What is the function of a repeater in a network?
Signup and view all the answers
What distinguishes a hub from a repeater in a network?
Signup and view all the answers
Which networking device allows Wi-Fi devices to connect to a wired network?
Signup and view all the answers
What is the main purpose of a network interface card (NIC)?
Signup and view all the answers
What is the purpose of Address Resolution Protocol (ARP)?
Signup and view all the answers
What is the function of a MAC address?
Signup and view all the answers
Why is Port Address Translation (PAT) considered the most common way of transferring data?
Signup and view all the answers
What is the role of a port number in networking?
Signup and view all the answers
Studying That Suits You
Use AI to generate personalized quizzes and flashcards to suit your learning preferences.