Internet and Networking Definitions Quiz

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Questions and Answers

The ______ barked

dog

The ______ meowed

cat

Fiber optic cable: glass fiber carrying ______ pulses, each pulse a bit, characterized by highspeed operation with transmission rate 10-100 Gbps transmission rate and low error rate.

light

Twisted pair copper: two insulated copper wires to transmit data in ______ format.

<p>electron</p> Signup and view all the answers

Electro-magnetic radio waves: signal carried in electromagnetic spectrum without ______. Used in wireless LAN (WiFi) and wide-area (cellular).

<p>wires</p> Signup and view all the answers

Circuit switching: is a communication method where a dedicated communication path, or circuit, is established between two devices before data transmission begins. Packet switching: is a communication method where data is divided into smaller units called ______ and transmitted over the network.

<p>packets</p> Signup and view all the answers

Routing: Determines source-destination route taken by data packets using ______ algorithms.

<p>routing</p> Signup and view all the answers

Queue: collection of data packets collectively waiting to be transmitted by a network device using a per-defined structure ______.

<p>methodology</p> Signup and view all the answers

Network Delay: occurs if the size of the queue is large, and each packet has to wait until its delivery in excessive network ______.

<p>traffic</p> Signup and view all the answers

Packets Loss: occurs when the network discarded some packets because the queue reaches its maximum capacity and can’t accommodate any more ______.

<p>packets</p> Signup and view all the answers

Nodal processing: the time taken by the switch to read data packets header information (source, destination, and length L). Queueing: the waiting time of the packets in the ______.

<p>queue</p> Signup and view all the answers

Propagation: the time taken one bit to travel from one end of the wire to the other. It's proportional to the length of the wire. Throughput: rate (bits/time unit) at which bits transferred between ______/receiver.

<p>sender</p> Signup and view all the answers

What is the function of a packet switch?

<p>Dividing data into smaller units and forwarding them over the network (D)</p> Signup and view all the answers

What is the main purpose of an Internet Service Provider (ISP)?

<p>Providing a network of packet switches and communication links (C)</p> Signup and view all the answers

What is the role of Frequency Division Multiplexing (FDM)?

<p>Transmitting data in different frequency bands (C)</p> Signup and view all the answers

What is the purpose of Local Area Network (LAN) or Ethernet?

<p>Connecting end-user devices to the internet (C)</p> Signup and view all the answers

What technology is used by Wide-area Wireless / cellular networks?

<p>3G or 4G or 5G technologies (A)</p> Signup and view all the answers

What is the characteristic of fiber optic cable?

<p>Carrying electrical pulses with high-speed operation (A)</p> Signup and view all the answers

What is the propagation time proportional to?

<p>The length of the wire (A)</p> Signup and view all the answers

Which type of cable transmits data in electron format?

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

What does packet switching involve?

<p>Dividing data into smaller units called packets (C)</p> Signup and view all the answers

What causes Network Delay?

<p>Queue size and excessive network traffic (B)</p> Signup and view all the answers

In circuit switching, what is established before data transmission begins?

<p>A communication path between devices (C)</p> Signup and view all the answers

What does spyware do?

<p>Records keystrokes and web sites visited (A)</p> Signup and view all the answers

What is the purpose of Distributed Denial of Service (DDoS)?

<p>To make resources (server, bandwidth) unavailable (D)</p> Signup and view all the answers

What is the characteristic of fiber optic cable?

<p>$10-100$ Gbps transmission rate (C)</p> Signup and view all the answers

What type of waves are used in wireless LAN (WiFi) and wide-area (cellular)?

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

What does nodal processing measure?

<p>The time taken by the switch to read data packets header information (source, destination, and length L) (D)</p> Signup and view all the answers

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