OSI Model
How many layers in the OSI Model
7
Which topology uses a central device to connect all nodes
Star
A device that amplifies a signal to extend its range.
Repeater
What port does HTTPS use
80 or 8080
This cable type is known for having a central conductor surrounded by an insulating layer and a braided metal shield.
Coax Cable
What layer is responsible for routing
Network Layer
Which topology connects each device to every other device
Mesh
A device that connects network segments and manages traffic by learning the MAC addresses of connected devices.
Switch
What protocol is used to securely transfer files
SFTP
This type of cable uses light pulses to transmit data and is ideal for high-speed, long-distance communication.
Fiber Optic
Which layer handles encryption and compression
Presentation Layer
Ring
A layer 3 device that forwards data packets between different computer networks.
Router
What protocol is used for sending e-mails
SMTP
This popular network connector is used with twisted-pair Ethernet cables.
RJ-45
Which layer establishes, manages, and terminates connections
Session Layer
Which topology uses a single cable for all devices
Bus
A networking device that has multiple physical ports and operates at Layer 1 of the OSI model.
Hub
This connectionless transport layer protocol is used for applications that require fast, efficient transmission, such as video streaming.
UDP
This category of twisted-pair cable supports speeds up to 10 Gbps over shorter distances and has a bandwidth of up to 250 MHz
Cat-6
Which layer is responsible for end-to-end communication and error recovery
Transport Layer
Which topology is most fault-tolerant
Mesh
A device that allows wireless devices to connect to a wired network
Wireless Access Point
What port does HTTPS use
443
This term refers to the interference that can occur between adjacent twisted wire pairs in a cable.
What is crosstalk