Networks in Our Lives
Communication today is considered as important as air, water, food, and shelter. What technology makes this level of connection possible?
B.) Networks
Every computer on a network is called a ________.
B.) Host
What does LAN stand for?
A.) Local Area Network
What is the term for the ability of a network to continue operating even if one path fails?
B.) Fault Tolerance
What does BYOD stand for?
A.) Bring Your Own Device
What term is used to describe the idea that networks have created a “world without boundaries”?
C.) World without boundaries
What type of device provides information to clients, such as web or email services?
C.) Server
Which type of network spans a wide geographical area, LAN or WAN?
B.) WAN
What network design feature allows a network to grow without reducing performance?
A.) Scalability
Name one tool used for online collaboration.
A.) Cisco WebEx
What is the human aspect of networking often referred to as, connecting people globally?
B.) The Human Network
Name one advantage and one disadvantage of a peer-to-peer network.
A.) Advantage: Easy to set up; Disadvantage: Not secure
Who typically administers a WAN compared to a LAN?
B.) LAN → one person/organization, WAN → service providers
What mechanism is used to ensure reliable delivery of content like video and voice?
B.) QoS (Quality of Service)
What is the difference between a public cloud and a private cloud?
A.) Public → global access; Private → dedicated to one organization
Name one way networks have changed the way we form global communities.
B.) Online collaboration and social media
Identify two functions performed by intermediary network devices.
B.) Regenerate signals, maintain pathway info
What is the difference between an intranet and an extranet?
B.) Intranet = private internal; Extranet = allows external authorized access
What are the three goals of network security (the CIA triad)?
A.) Confidentiality, Integrity, Availability
Name two external security threats and one internal threat to networks.
A.) External: Viruses, worms; Internal: Malicious employees
How do networks influence not just communication, but also education, business, and entertainment in daily life?
B.) They make access to information and services more global and connected
List and describe the three main types of network media used to transmit data.
B.) Metal wires (electrical impulses), Fiber-optic (light pulses), Wireless (radio waves)
Which three organizations (acronyms) help maintain structure on the internet?
C.) IETF, ICANN, IAB
Explain how packet switching increases fault tolerance compared to circuit switching.
B.) Packet switching sends packets over multiple paths, unlike circuit switching
Larger networks use multiple layers of security. Name three advanced security solutions beyond antivirus and basic firewalls.
A.) ACL, IPS, VPN