Computer Networking Lecture 1: Introduction to Networks and Internet
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Questions and Answers

What is the transmission rate of a link measured in?

  • Gigabits/hour
  • Megabits/minute
  • Bits/second (correct)
  • Bytes/second

What is the term for any device connected to the network with a microprocessor?

  • Non-traditional device
  • Peripheral
  • End system (correct)
  • Packet switch

What is typically used for forwarding packets between different networks?

  • Optical fiber
  • Copper wire
  • Switches
  • Routers (correct)

What is the network edge composed of?

<p>Computing devices or hosts (D)</p> Signup and view all the answers

Which type of communication links are made up of different types of physical media including copper wire, optical fiber, and radio spectrum and satellite?

<p>Wired communication links (C)</p> Signup and view all the answers

What is the function of the network edge in a computer network?

<p>To connect end systems to the network (A)</p> Signup and view all the answers

What is the primary purpose of the transport layer in a computer network?

<p>To provide reliable data transfer between end systems (A)</p> Signup and view all the answers

Which layer of the Internet protocol stack is responsible for addressing and routing packets?

<p>Network Layer (A)</p> Signup and view all the answers

What does the term 'packet switching' refer to in the context of computer networks?

<p>Breaking data into packets and sending them independently across a network (B)</p> Signup and view all the answers

In the context of computer networks, what is the role of 'access networks'?

<p>To connect end systems to the network (A)</p> Signup and view all the answers

What is the average transmission rate offered by the 802.11 (WiFi) protocol in a Wireless LAN?

<p>450 Mbps (C)</p> Signup and view all the answers

Which technology is typically used for wide-area wireless networks with network coverage of 1-5 km and offering between 1 and 10 Mbps?

<p>GSM (D)</p> Signup and view all the answers

In the context of wireless networks, what is the network coverage typically supported by Wide-area Wireless or cellular networks?

<p>1-5 km (A)</p> Signup and view all the answers

What is the primary physical media used in Wireless LANs to support network coverage within a building?

<p>WiFi (A)</p> Signup and view all the answers

What is the typical transmission rate range offered by Wide-area Wireless or cellular networks using 3G, 4G, or 5G technologies?

<p>1 Mbps - 10 Mbps (C)</p> Signup and view all the answers

In the context of computer networking, what type of physical media uses concentric copper conductors to transmit data in electron format?

<p>Coaxial cable (D)</p> Signup and view all the answers

Which physical medium is characterized by high-speed operation with transmission rates between 10-100 Gbps and low error rate?

<p>Fiber optic cable (A)</p> Signup and view all the answers

What type of communication method establishes a dedicated communication path or circuit between two devices before data transmission begins?

<p>Circuit switching (C)</p> Signup and view all the answers

Which technique involves dividing data into smaller units called packets for communication?

<p>Packet switching (C)</p> Signup and view all the answers

In the context of physical media, which type of guided physical media allows signals to propagate freely without wires?

<p>Electro-magnetic radio waves (A)</p> Signup and view all the answers

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