Free 5-question sample test with instant feedback. See how ready you are.
Question 1
What is the primary difference between TCP and UDP?
Answer: TCP is connection-oriented and provides reliable, ordered delivery with acknowledgments, while UDP is connectionless and provides faster, best-effort delivery with no guaranteed delivery or ordering.
Question 2
What are the three steps in the TCP three-way handshake, in order?
Answer: SYN, SYN-ACK, ACK. The client sends SYN, the server replies with SYN-ACK, and the client completes the handshake with ACK.
Question 3
Which IP protocol number is assigned to TCP?
Answer: TCP uses IP protocol number 6.
Question 4
What protocol does the 'ping' command use?
Answer: Ping uses ICMP (Internet Control Message Protocol), specifically ICMP Echo Request and Echo Reply messages.
Question 5
What is the purpose of ARP (Address Resolution Protocol)?
Answer: ARP resolves a known IP address to its corresponding MAC (hardware) address on a local network segment.