4. Networks and Security
Network Fundamentals — Quiz
Test your understanding of network fundamentals with 5 practice questions.
Practice Questions
Question 1
Which layer of the OSI model is responsible for the reliable transmission of data segments between end systems, including segmentation, reassembly, and flow control?
Question 2
In the TCP/IP model, which layer is responsible for the logical addressing of devices and routing of packets across different networks?
Question 3
A network device that operates at the Data Link Layer (Layer 2) of the OSI model and forwards frames based on MAC addresses is known as a:
Question 4
Which of the following IP addresses is a valid private IP address?
Question 5
What is the primary function of DNS (Domain Name System) in a network?