About today's quiz
Networking — Intermediate
A new quiz is published every day for this topic and level. Answer the questions, read the explanations, and complete the quiz to keep your streak alive.
Tips before you start
- •Read every question carefully before answering. Some questions include subtle wording that changes the correct answer.
- •Take your time on the first question. There is no time limit, but your total time is tracked for your statistics.
- •After each answer, read the explanation. Even correct answers often include useful context you might not know.
- •Come back tomorrow for a brand new quiz on the same topic. Daily practice is the most effective way to retain what you learn.
IntermediateTechnology
Today's questions
Today's quiz questions
These are the questions that make up today's quiz. Test your knowledge, see how much you know, and learn from the explanation behind every answer.
1.What is a socket in networking?
- •A type of network cable connector
- •An endpoint for communication defined by an IP address and a port number
- •A physical port on a network device
- •A kernel module that handles network drivers
2.What is DNS poisoning?
- •A method of blocking DNS requests at the firewall
- •An attack that corrupts a DNS cache with false entries, redirecting users to malicious websites
- •Using multiple DNS servers for redundancy
- •Overloading a DNS server with too many queries
3.What is a proxy server?
- •A server that stores copies of websites for faster access
- •A firewall device that filters malicious traffic
- •A backup server that takes over when the main server fails
- •An intermediary server that forwards requests between a client and destination server, providing anonymity or caching
4.How many layers does the OSI model have?
- •4
- •5
- •6
- •7
5.Which protocol is more secure for web browsing?
- •HTTP
- •HTTPS
- •FTP
- •Telnet
6.What is the purpose of the STP (Spanning Tree Protocol)?
- •To create multiple paths between switches for load balancing
- •To separate network traffic into different VLANs
- •To assign IP addresses to switches
- •To prevent switching loops in LANs by blocking redundant paths and maintaining a loop-free topology
7.What does Wi-Fi mean?
- •It is not an acronym, it is a trademark
- •Wide Frequency
- •Wireless Fidelity
- •Wireless Fiber
8.What is OSPF?
- •Online Secure Protocol Framework — a security standard
- •Open Shortest Path First
- •Open Source Protocol Foundation — an organization maintaining protocols
- •Optimized Server Performance Framework — a load balancing method
9.What is a load balancer?
- •A tool that equalizes Wi-Fi signal strength across a building
- •A protocol for balancing download and upload speeds
- •A device that measures network bandwidth usage
- •A system that distributes traffic across multiple servers
10.What is the TTL (Time to Live) field in IP packets?
- •The maximum time a connection can remain idle
- •The time a DNS record remains cached
- •The timeout period for a TCP connection attempt
- •A hop counter that limits how long a packet can travel