1. What is TCP (Transmission Control Protocol) ? Junior A. the reserved port range 0 to 1023 assigned to standard services like HTTP and DNS B. a mechanism preventing a sender from overwhelming the network, distinct from receiver-side flow control C. additive-increase multiplicative-decrease, TCP's rule of growing the window linearly and halving it on loss D. a connection-oriented transport protocol giving reliable, ordered, error-checked byte-stream delivery
2. Which term means: "a connection-oriented transport protocol giving reliable, ordered, error-checked byte-stream delivery"? Junior A. well-known ports B. sequence number C. TCP (Transmission Control Protocol) D. TCP reliability
3. Which statement is correct? Junior A. TCP (Transmission Control Protocol) — a mechanism preventing a sender from overwhelming the network, distinct from receiver-side flow control B. TCP (Transmission Control Protocol) — a 16-bit identifier distinguishing different application processes on the same host C. TCP (Transmission Control Protocol) — a TCP field numbering each byte of the stream so the receiver can reorder and detect loss D. TCP (Transmission Control Protocol) — a connection-oriented transport protocol giving reliable, ordered, error-checked byte-stream delivery
4. What is UDP (User Datagram Protocol) ? Junior A. a mechanism preventing a fast sender from overwhelming a slow receiver using an advertised window B. a connectionless transport protocol giving fast, unreliable, message-oriented delivery with no handshake C. the TCP state where a closing side waits twice the maximum segment lifetime before fully releasing the connection D. a TCP field telling the sender the next byte the receiver expects, confirming prior bytes arrived
5. Which term means: "a connectionless transport protocol giving fast, unreliable, message-oriented delivery with no handshake"? Junior A. three-way handshake B. UDP (User Datagram Protocol) C. congestion control D. sequence number
6. Which statement is correct? Junior A. UDP (User Datagram Protocol) — the combination of sequence numbers, acknowledgements, checksums, and retransmission timers ensuring delivery B. UDP (User Datagram Protocol) — a connectionless transport protocol giving fast, unreliable, message-oriented delivery with no handshake C. UDP (User Datagram Protocol) — the TCP state where a closing side waits twice the maximum segment lifetime before fully releasing the connection D. UDP (User Datagram Protocol) — a flow-control scheme letting a sender transmit several unacknowledged segments up to a window limit
7. What is port number ? Junior A. the reserved port range 0 to 1023 assigned to standard services like HTTP and DNS B. a congestion-control phase that grows the congestion window exponentially until a threshold is reached C. a 16-bit identifier distinguishing different application processes on the same host D. a connectionless transport protocol giving fast, unreliable, message-oriented delivery with no handshake
8. Which term means: "a 16-bit identifier distinguishing different application processes on the same host"? Junior A. sliding window B. port number C. three-way handshake D. sequence number
9. Which statement is correct? Junior A. port number — a congestion-control phase that grows the congestion window exponentially until a threshold is reached B. port number — a connectionless transport protocol giving fast, unreliable, message-oriented delivery with no handshake C. port number — TCP connection setup using SYN, SYN-ACK, and ACK to synchronize sequence numbers D. port number — a 16-bit identifier distinguishing different application processes on the same host
10. What is well-known ports ? Junior A. TCP connection setup using SYN, SYN-ACK, and ACK to synchronize sequence numbers B. a TCP field telling the sender the next byte the receiver expects, confirming prior bytes arrived C. the TCP state where a closing side waits twice the maximum segment lifetime before fully releasing the connection D. the reserved port range 0 to 1023 assigned to standard services like HTTP and DNS
11. Which term means: "the reserved port range 0 to 1023 assigned to standard services like HTTP and DNS"? Junior A. sliding window B. well-known ports C. four-way termination D. sequence number
12. Which statement is correct? Junior A. well-known ports — the reserved port range 0 to 1023 assigned to standard services like HTTP and DNS B. well-known ports — a TCP field numbering each byte of the stream so the receiver can reorder and detect loss C. well-known ports — TCP connection teardown using FIN, ACK, FIN, ACK so each side closes independently D. well-known ports — additive-increase multiplicative-decrease, TCP's rule of growing the window linearly and halving it on loss
13. What is three-way handshake ? Mid A. a connectionless transport protocol giving fast, unreliable, message-oriented delivery with no handshake B. a TCP field telling the sender the next byte the receiver expects, confirming prior bytes arrived C. the combination of sequence numbers, acknowledgements, checksums, and retransmission timers ensuring delivery D. TCP connection setup using SYN, SYN-ACK, and ACK to synchronize sequence numbers
14. Which term means: "TCP connection setup using SYN, SYN-ACK, and ACK to synchronize sequence numbers"? Mid A. AIMD B. port number C. three-way handshake D. TCP (Transmission Control Protocol)
15. Which statement is correct? Mid A. three-way handshake — a TCP field numbering each byte of the stream so the receiver can reorder and detect loss B. three-way handshake — TCP connection setup using SYN, SYN-ACK, and ACK to synchronize sequence numbers C. three-way handshake — a mechanism preventing a sender from overwhelming the network, distinct from receiver-side flow control D. three-way handshake — a 16-bit identifier distinguishing different application processes on the same host
16. What is four-way termination ? Mid A. additive-increase multiplicative-decrease, TCP's rule of growing the window linearly and halving it on loss B. TCP connection setup using SYN, SYN-ACK, and ACK to synchronize sequence numbers C. a TCP field numbering each byte of the stream so the receiver can reorder and detect loss D. TCP connection teardown using FIN, ACK, FIN, ACK so each side closes independently
17. Which term means: "TCP connection teardown using FIN, ACK, FIN, ACK so each side closes independently"? Mid A. sliding window B. three-way handshake C. well-known ports D. four-way termination
18. Which statement is correct? Mid A. four-way termination — TCP connection teardown using FIN, ACK, FIN, ACK so each side closes independently B. four-way termination — additive-increase multiplicative-decrease, TCP's rule of growing the window linearly and halving it on loss C. four-way termination — a TCP field telling the sender the next byte the receiver expects, confirming prior bytes arrived D. four-way termination — TCP connection setup using SYN, SYN-ACK, and ACK to synchronize sequence numbers
19. What is sequence number ? Mid A. a TCP field numbering each byte of the stream so the receiver can reorder and detect loss B. a connectionless transport protocol giving fast, unreliable, message-oriented delivery with no handshake C. TCP connection setup using SYN, SYN-ACK, and ACK to synchronize sequence numbers D. a mechanism preventing a sender from overwhelming the network, distinct from receiver-side flow control
20. Which term means: "a TCP field numbering each byte of the stream so the receiver can reorder and detect loss"? Mid A. TIME_WAIT state B. sequence number C. congestion control D. AIMD
21. Which statement is correct? Mid A. sequence number — a TCP field numbering each byte of the stream so the receiver can reorder and detect loss B. sequence number — a 16-bit identifier distinguishing different application processes on the same host C. sequence number — additive-increase multiplicative-decrease, TCP's rule of growing the window linearly and halving it on loss D. sequence number — a connectionless transport protocol giving fast, unreliable, message-oriented delivery with no handshake
22. What is acknowledgement number ? Mid A. a TCP field numbering each byte of the stream so the receiver can reorder and detect loss B. TCP connection teardown using FIN, ACK, FIN, ACK so each side closes independently C. a TCP field telling the sender the next byte the receiver expects, confirming prior bytes arrived D. a connection-oriented transport protocol giving reliable, ordered, error-checked byte-stream delivery
23. Which term means: "a TCP field telling the sender the next byte the receiver expects, confirming prior bytes arrived"? Mid A. TCP reliability B. acknowledgement number C. sequence number D. UDP (User Datagram Protocol)
24. Which statement is correct? Mid A. acknowledgement number — the combination of sequence numbers, acknowledgements, checksums, and retransmission timers ensuring delivery B. acknowledgement number — the reserved port range 0 to 1023 assigned to standard services like HTTP and DNS C. acknowledgement number — a congestion-control phase that grows the congestion window exponentially until a threshold is reached D. acknowledgement number — a TCP field telling the sender the next byte the receiver expects, confirming prior bytes arrived
25. What is sliding window ? Mid A. a TCP field telling the sender the next byte the receiver expects, confirming prior bytes arrived B. a mechanism preventing a sender from overwhelming the network, distinct from receiver-side flow control C. a flow-control scheme letting a sender transmit several unacknowledged segments up to a window limit D. the TCP state where a closing side waits twice the maximum segment lifetime before fully releasing the connection
26. Which term means: "a flow-control scheme letting a sender transmit several unacknowledged segments up to a window limit"? Mid A. sliding window B. congestion control C. TCP reliability D. slow start
27. Which statement is correct? Mid A. sliding window — the combination of sequence numbers, acknowledgements, checksums, and retransmission timers ensuring delivery B. sliding window — a flow-control scheme letting a sender transmit several unacknowledged segments up to a window limit C. sliding window — a connectionless transport protocol giving fast, unreliable, message-oriented delivery with no handshake D. sliding window — a TCP field numbering each byte of the stream so the receiver can reorder and detect loss
28. What is flow control ? Mid A. a flow-control scheme letting a sender transmit several unacknowledged segments up to a window limit B. a mechanism preventing a fast sender from overwhelming a slow receiver using an advertised window C. a TCP field numbering each byte of the stream so the receiver can reorder and detect loss D. a TCP field telling the sender the next byte the receiver expects, confirming prior bytes arrived
29. Which term means: "a mechanism preventing a fast sender from overwhelming a slow receiver using an advertised window"? Mid A. UDP (User Datagram Protocol) B. three-way handshake C. flow control D. TIME_WAIT state
30. Which statement is correct? Mid A. flow control — a mechanism preventing a fast sender from overwhelming a slow receiver using an advertised window B. flow control — a TCP field numbering each byte of the stream so the receiver can reorder and detect loss C. flow control — additive-increase multiplicative-decrease, TCP's rule of growing the window linearly and halving it on loss D. flow control — the reserved port range 0 to 1023 assigned to standard services like HTTP and DNS Showing 30 of 45 CN · Transport Layer questions — the full set, with answers, explanations and an AI tutor on every question, is inside.