Network Fundamentals Flashcards
6 cards from real Telecommunications practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Network Fundamentals flashcards as text
What is the purpose of a subnet mask?
Answer: Identify the network and host portions of an IP address
A subnet mask separates the network portion from the host portion of an IP address to enable proper routing.
Which protocol operates at the Transport layer and provides reliable, connection-oriented delivery?
Answer: TCP
TCP (Transmission Control Protocol) provides reliable, ordered, and error-checked delivery of data.
What is the default port number for HTTPS?
Answer: 443
HTTPS uses port 443 by default for encrypted web communications over TLS/SSL.
What technology allows multiple devices to share a single public IP address?
Answer: NAT
NAT (Network Address Translation) maps multiple private IP addresses to a single public IP address.
What does DNS resolve?
Answer: Domain names to IP addresses
DNS (Domain Name System) translates human-readable domain names into numerical IP addresses.
What is the function of ARP in a network?
Answer: Resolve IP addresses to MAC addresses
ARP (Address Resolution Protocol) maps a known IP address to its corresponding MAC address on a local network.