20 Questions
What is the transmission capacity of a network referred to as?
Bandwidth
Which organization provided the original definition of broadband as an always-on, high-speed connection to the Internet?
CRTC
According to the CRTC, broadband connections can include which of the following technologies?
Wireless HSPDA
What is the primary characteristic of Personal Area Networks (PANs)?
Short-range networks
What is the main idea behind local area networks (LANs)?
To provide fast and inexpensive communication within a limited region
What type of wire is typically used in most LANs?
Unshielded twisted-pair wire (UTP)
What is the primary function of a network interface card (NIC) in a LAN?
Physically connect devices to the LAN
Why do businesses use wide area networks (WANs) according to the text?
To transmit data beyond the confines of LANs
What is the primary purpose of routers in wide area networks (WANs)?
Communications processor that routes messages between LANs or across a WAN
How are LANs and WANs connected in enterprise networks?
Interconnected to form an enterprise backbone network
What is the primary role of software-defined networks (SDN) in managing data flows?
Centrally managing how network traffic flows across network devices
How do cable modems differ from DSL modems in terms of bandwidth sharing?
Cable modems share bandwidth among subscribers in a locality while DSL modems do not
What is the distinguishing feature of digital signals that allows computers to interpret information?
Representing binary information with discrete pulses
Why do organizations find software-defined networks (SDN) increasingly important?
To manage data flows across their enterprise networks more effectively
What is a disadvantage of twisted-pair wire as discussed in the text?
Subject to interference from other electrical sources
Which cable media is smaller and lighter than traditional cable media?
Fibre Optics
What is the primary advantage of coaxial cables over twisted-pair wires?
Less affected by electrical interference
Which media channel uses physical wires or cables to transmit data according to the text?
Wireline media
What is a characteristic of fibre-optic cables that makes them suitable as a network backbone?
Transmits more data and provides greater security from interference
Why are Ethernet protocols significant for network communications?
Enable network communication at speeds up to 100 gigabits per second
Test your knowledge of computer networks and bandwidth with this quiz. Explore topics such as system connections, transmission capacity, and types of connections like broadband. Learn more about data transmission and network communication.
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