Week 1: Introduction to Networking Flashcards by Abby Lachica

What is the fundamental concept of networking?

A. Connecting devices to share resources and data
B. Installing software on computers
C. Creating websites
D. Developing mobile applications

A. Connecting devices to share resources and data

Explanation: Networking involves the interconnection of computers and devices to share resources and data, which is essential for communication and data exchange.

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What is a computer network? A single computer
B. Two or more computers connected together
C. A printer and a scanner
D. A mobile phone and a tablet

B. Two or more computers connected together

Explanation: A computer network consists of two or more computers connected together, allowing them to communicate and share resources.

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What is a byte?

A. A single binary digit
B. A series of 8 bits
C. A unit of data transmission speed
D. A type of network protocol

B. A series of 8 bits

Explanation: A byte is a series of consecutive binary digits (8 bits) that are operated upon as a unit.

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What does DHCP stand for?

A. Dynamic Host Control Protocol
B. Dynamic Host Configuration Protocol
C. Data Host Configuration Protocol
D. Data Host Control Protocol

B. Dynamic Host Configuration Protocol

Explanation: DHCP is a network protocol used to automate the process of configuring devices on IP networks.

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What is an IP address?

A. A unique address for a network device
B. A 32-bit address assigned to hosts using the TCP/IP protocol
C. A type of network hardware
D. A protocol for data transmission

B. A 32-bit address assigned to hosts using the TCP/IP

Explanation: An IP address is a 32-bit address assigned to hosts using the TCP/IP protocol, allowing devices to communicate over the internet.

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What is a packet?

A. A large file sent over a network
B. The unit of data sent across a network
C. A type of network device
D. A network protocol

B. The unit of data sent across a network

Explanation: A packet is the unit of data sent across a network. Data is broken up into packets for sending over a packet-switching network.

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What is bandwidth?

A. The delay in data transmission
B. The maximum amount of data that can be transmitted over a network in a given time
C. A type of network device
D. A network protocol

B. The maximum amount of data that can be transmitted over a network in a given time

Explanation: Bandwidth refers to the maximum amount of data that can be transmitted over a network in a given time, usually measured in Mbps or Gbps.

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What is a firewall?

A. A device that connects multiple networks
B. A security system that monitors and controls network traffic
C. A type of network protocol
D. A unit of data transmission

B. A security system that monitors and controls network traffic

Explanation: A firewall is a security system that monitors and controls incoming and outgoing network traffic to protect against cyber threats.

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What is the function of a router?

A. To amplify network voltages
B. To link several computers together
C. To connect multiple network types and determine the best path for sending data
D. To provide interconnection with other networks

C. To connect multiple network types and determine the best path for sending data

Explanation: Routers are highly intelligent devices that connect multiple network types and determine the best path for sending data.

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What is a modem used for?

A. To connect multiple devices on the same network
B. To connect your home to your internet service provider (ISP)
C. To amplify network voltages
D. To provide interconnection with other networks

B. To connect your home to your internet service provider

Explanation: A modem is a device that connects your home to your internet service provider (ISP) through a physical connection.

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Which NIC supports IBM’s token-ring architecture?

A. Ethernet NIC
B. Token Ring NIC
C. FDDI NIC
D. ARCNET NIC

B. Token Ring NIC

Explanation: Token Ring NIC supports IBM’s token-ring architecture, which is a type of network architecture.

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What is a wireless NIC used for?

A. Connecting devices through Ethernet
B. Connecting devices wirelessly
C. Amplifying network voltages
D. Providing interconnection with other networks

B. Connecting devices wirelessly

Explanation: A wireless NIC is used to connect devices wirelessly to a network.

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What is the function of a repeater?

A. To extend the length of a cabling system by amplifying network voltages
B. To link several computers together
C. To connect multiple network types
D. To provide interconnection with other networks

A. To extend the length of a cabling system by amplifying network voltages

Explanation: Repeaters allow a cabling system to extend beyond its maximum allowed length by amplifying the network voltages so they travel farther.

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What is the primary function of a hub?

A. To amplify network voltages
B. To link several computers together
C. To connect multiple network types
D. To provide interconnection with other networks

B. To link several computers together

Explanation: Hubs are devices used to link several computers together within a network.

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What is the role of a bridge in networking?

A. To amplify network voltages
B. To link several computers together
C. To provide interconnection with other computer networks that use the same protocol
D. To connect multiple network types

C. To provide interconnection with other computer networks that use the same protocol

Explanation: Bridges provide interconnection with other computer networks that use the same protocol, allowing them to communicate.

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What is the primary function of a router?

C. To connect multiple network types and determine the best path for sending data

Explanation: Routers are highly intelligent devices that connect multiple network types and determine the best path for sending data.

What is the function of a switch in networking?

A. To amplify network voltages
B. To link several computers together
C. To connect multiple devices on the same network within a building or campus
D. To provide interconnection with other networks

C. To connect multiple devices on the same network within a building or campus

Explanation: Switches connect multiple devices, such as computers, wireless access points, printers, and servers, on the same network within a building or campus.

What is the primary function of a modem?

A. To amplify network voltages
B. To link several computers together
C. To connect your home to your internet service provider (ISP)
D. To provide interconnection with other networks

C. To connect your home to your internet service provider (ISP)

Explanation: A modem is a device that connects your home to your internet service provider (ISP) through a physical connection.

Which type of modem is used for cellular connections?

A. Internal MODEM
B. External MODEM
C. Cellular MODEM
D. PCMCIA MODEM

C. Cellular MODEM

Explanation: A cellular modem is used for cellular connections, allowing devices to connect to the internet via cellular networks.

What does a firewall symbol represent in network diagrams?

A. A device that connects multiple networks
B. A security system that monitors and controls network traffic
C. A type of network protocol
D. A unit of data transmission

B. A security system that monitors and controls network traffic

Explanation: In network diagrams, a firewall symbol represents a security system that monitors and controls incoming and outgoing network traffic to protect against cyber threats.

What does a server symbol represent in network diagrams?

A. A computer that handles requests for data, email, files, and other network services from other computers (clients)
B. A device that connects multiple networks
C. A security system that monitors network traffic
D. A unit of data transmission

A. A computer that handles requests for data, email, files, and other network services from other computers (clients)

Explanation: In network diagrams, a server symbol represents a computer that handles requests for data, email, files, and other network services from other computers (clients).

What does a node symbol represent in network diagrams?

A. A device that connects multiple networks
B. Any device connected to a network, such as a computer, smartphone, router, or printer
C. A security system that monitors network traffic
D. A unit of data transmission

B. Any device connected to a network, such as a computer, smartphone, router, or printer

Explanation: In network diagrams, a node symbol represents any device connected to a network, such as a computer, smartphone, router, or printer.

What does a host symbol represent in network diagrams?

A. A device that connects multiple networks
B. Any device on a network that has an IP address and can send or receive data
C. A security system that monitors network traffic
D. A unit of data transmission

B. Any device on a network that has an IP address and can send or receive data

Explanation: In network diagrams, a host symbol represents any device on a network that has an IP address and can send or receive data.

What does a client symbol represent in network diagrams?

A. A device that connects multiple networks
B. A device that requests and receives services from a server
C. A security system that monitors network traffic
D. A unit of data transmission

B. A device that requests and receives services from a server

Explanation: In network diagrams, a client symbol represents a device that requests and receives services from a server, such as web browsers requesting web pages from a web server.

What does a packet symbol represent in network diagrams? A. A device that connects multiple networks B. A small unit of data transmitted over a network C. A security system that monitors network traffic D. A unit of data transmission speed

B. A small unit of data transmitted over a network ## Footnote Explanation: In network diagrams, a packet symbol represents a small unit of data transmitted over a network. Large files are broken into packets for transmission and reassembled at the destination.

What does a bandwidth symbol represent in network diagrams? A. The maximum amount of data that can be transmitted over a network in a given time B. The delay in data transmission C. A type of network device D. A network protocol

A. The maximum amount of data that can be transmitted over a network in a given time ## Footnote Explanation: In network diagrams, a bandwidth symbol represents the maximum amount of data that can be transmitted over a network in a given time, usually measured in Mbps or Gbps.

What does a latency symbol represent in network diagrams? A. The delay in data transmission over a network B. The maximum amount of data that can be transmitted over a network in a given time C. A type of network device D. A network protocol

A. The delay in data transmission over a network ## Footnote Explanation: In network diagrams, a latency symbol represents the delay in data transmission over a network, often measured in milliseconds (ms). Lower latency means faster communication.

What does a subnet symbol represent in network diagrams? A. The delay in data transmission over a network B. A smaller network within a larger network C. A type of network device D. A network protocol

B. A smaller network within a larger network ## Footnote Explanation: In network diagrams, a subnet symbol represents a smaller network within a larger network, used to improve performance and security.

What does a firewall symbol represent in network diagrams? A. A device that connects multiple networks B. A security system that monitors and controls network traffic C. A type of network protocol D. A unit of data transmission

B. A security system that monitors and controls network traffic ## Footnote Explanation: In network diagrams, a firewall symbol represents a security system that monitors and controls incoming and outgoing network traffic to protect against cyber threats.

What does a node symbol represent in network diagrams? A. A device that connects multiple networks B. Any device connected to a network, such as a computer, smartphone, router, or printer C. A security system that monitors network traffic D. A unit of data transmission

B. Any device connected to a network, such as a computer, smartphone, router, or printer ## Footnote Explanation: In network diagrams, a node symbol represents any device connected to a network, such as a computer, smartphone, router, or printer.