ITF+ Networking Fundamentals Flashcards
7 cards from real COMPTIA practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 ITF+ Networking Fundamentals flashcards as text
Which protocol automatically assigns IP addresses to devices when they join a network?
Answer: DHCP
DHCP (Dynamic Host Configuration Protocol) automatically assigns IP addresses, subnet masks, gateways, and DNS servers to network devices.
What does DNS primarily do on a network?
Answer: Translates domain names into IP addresses
DNS (Domain Name System) translates human-readable domain names like www.example.com into numeric IP addresses computers use to communicate.
Which of the following IP address ranges is reserved for private use and not routable on the public internet?
Answer: 192.168.0.0/16
The 192.168.0.0/16 range is one of three RFC 1918 private address ranges reserved for internal network use and blocked from internet routing.
What is the purpose of a subnet mask?
Answer: To identify which portion of an IP address is the network vs. the host
A subnet mask separates the network portion of an IP address from the host portion, enabling routers to determine if a destination is local or remote.
Which protocol is used for secure, encrypted web browsing?
Answer: HTTPS
HTTPS (Hypertext Transfer Protocol Secure) encrypts web traffic using TLS, protecting data in transit between the browser and the web server.
Which port number does standard (unencrypted) HTTP traffic use by default?
Answer: 80
HTTP uses TCP port 80 by default for unencrypted web traffic, while HTTPS uses port 443.
Which protocol is used to send outgoing email from a mail client to a mail server?
Answer: SMTP
SMTP (Simple Mail Transfer Protocol) is used to send and relay outgoing email messages between mail clients and servers.