Taetaetae

·      The ------ is a computer network that interconnects billions of computing devices throughout the world.

• Intranet
• Internet
• Extranet
• Ethernet

all of the devices that are connected to the Internet are called ___or ____.

• Electronic devices or Computer devices

• Household devices or Personal devices

• hosts or end systems

• Smart devices or Intelligent devices

·      a networking infrastructure that provides services to distributed applications.

• Internet

• software
• Firewall

• Ethernet

·      today, close to ------ of the world’s population are active mobile Internet users with the percentage expected to increase to ------ by 2025 [Statista 2019].

• semi, 80%

• whole, 50%

• half, 75%

• full, 60%

·      End systems are connected together by a network of -------- and ----------.

• printers and modems
• servers and switches
• communication links and packet switches

• computers and cables

·      Different links can transmit data at different rates, with the -------- of a link measured in bits/second.

• frequency
• transmission rate

• speed
• capacity

·      When one end system has data to send to another end system, the sending end system segments the data and adds ------ to each segment.

• a footer bytes

• a header bytes

• a title bytes

• a signature bytes

·      The resulting packages of information, known as ------- in the jargon of computer networks, are then sent through the network to the destination end system, where they are reassembled into the original data.

• bundles
• parcels
• shipments
• packets

·      A ----- takes a packet arriving on one of its incoming communication links and forwards that packet on one of its outgoing communication links.

• packet switch

• kitchen sink
• computer mouse
• television remote

· packet switches come in many shapes and flavors, but the two most prominent types in today’s Internet are ---- and ---------.

• routers and link-layer switches

• hardware switches and software switches
• analog switches and digital switches
• fiber switches and copper switches