Network Types & Components
What does PAN stand for?
Personal Area Network
Which layer of the TCP/IP model is responsible for reliable data transmission?
Transport Layer
What device connects different networks and forwards data based on IP addresses?
Router
What is the most common type of copper cable used in networking?
Unshielded Twisted-Pair (UTP)
What technology uses short-range communication for contactless payments like Apple Pay?
NFC (Near Field Communication)
What type of network spans a city?
Metropolitan Area Network (MAN)
What protocol is known for its “best-effort” delivery and does not guarantee the reliability of data packets?
UDP
Which device stores a MAC address table to forward data to specific devices?
Switch
What type of fiber optic cable uses lasers and supports long-distance communication?
Single-Mode Fiber (SMF)
What is the maximum theoretical download speed supported by 5G networks?
Up to 3 Gbps (Gigabits per second)
What is the primary purpose of a VPN (Virtual Private Network)?
A VPN allows secure connections to a private network over a public network, such as the internet, by encrypting data and providing remote access to resources.
What is the purpose of the DNS protocol?
To translate domain names into IP addresses.
What is the primary function of a router in a network?
To connect different networks and forward data packets based on IP addresses.
What is the key advantage of using fiber optic cables over copper cables?
Fiber optic cables are not affected by electromagnetic interference (EMI) and can transmit data over longer distances.
What does the acronym RFID stand for?
Radio Frequency Identification
What type of network uses Bluetooth to connect devices like mice and keyboards?
Personal Area Network (PAN)
Which protocol is responsible for assigning IP addresses automatically to devices on a network?
DHCP (Dynamic Host Configuration Protocol)
Name a device that regenerates a network signal to extend the range of transmission.
Repeater
What is the difference between UTP and STP cabling?
UTP is unshielded twisted-pair cabling, and STP is shielded twisted-pair cabling that protects against electromagnetic interference.
Which cellular generation introduced IP-based voice, gaming services, and high-speed multimedia?
4G LTE
Name the network type that connects multiple wireless access points to expand a wireless network.
Wireless Mesh Network (WMN)
What port number is commonly used for secure web traffic using HTTPS?
Port 443
What is the function of an IDS (Intrusion Detection System)?
Monitors network traffic for suspicious activity but does not actively block threats.
What are the two common wiring standards used in twisted-pair cabling?
T568A and T568B
Which Wi-Fi standard provides the fastest speeds: 802.11g, 802.11n, or 802.11ac?
802.11ac