NSCT -Transport Layer MCQs 20 min Score: 0 Attempted: 0/20 Subscribe 1. Which layer of the OSI model provides process-to-process communication? (A) Transport Layer (B) Network Layer (C) Data Link Layer (D) Session LayerShow All AnswersShow All Answers 2. The Transport Layer is which layer of the OSI model? (A) Third Layer (B) Sixth Layer (C) Fifth Layer (D) Fourth LayerShow All Answers 3. The Transport Layer breaks data into smaller units called: (A) Bits (B) Frames (C) Segments (D) PacketsShow All Answers 4. Which protocol at the Transport Layer provides reliable communication? (A) TCP (B) UDP (C) IP (D) ICMPShow All Answers 5. Which Transport Layer protocol is connectionless? (A) TCP (B) SMTP (C) HTTP (D) UDPShow All Answers 6. Which feature ensures data is delivered in the correct order? (A) Sequencing (B) Error Detection (C) Flow Control (D) FragmentationShow All Answers 7. Which feature prevents a fast sender from overwhelming a slow receiver? (A) Multiplexing (B) Error Detection (C) Flow Control (D) RoutingShow All Answers 8. Which feature ensures lost segments are retransmitted? (A) Sequencing (B) Error Control (C) Flow Control (D) AddressingShow All Answers 9. What is the port number used by HTTP in TCP? (A) 20 (B) 21 (C) 443 (D) 80Show All Answers 10. Which Transport Layer protocol is faster but unreliable? (A) TCP (B) ICMP (C) FTP (D) UDPShow All Answers 11. The Transport Layer uses which type of addressing? (A) IP Address (B) Port Number (C) MAC Address (D) Logical AddressShow All Answers 12. Which protocol ensures reliable delivery of emails? (A) IP (B) UDP (C) ICMP (D) TCPShow All Answers 13. Multiplexing in the Transport Layer allows: (A) Error detection (B) Data encryption (C) Multiple applications to share the network (D) Routing of packetsShow All Answers 14. Which protocol is used for streaming where speed is important? (A) TCP (B) UDP (C) SMTP (D) FTPShow All Answers 15. What type of service does TCP provide? (A) Connection-oriented (B) Connectionless (C) Simplex (D) Half DuplexShow All Answers 16. The combination of IP address and port number is called: (A) Socket (B) Segment (C) Frame (D) PacketShow All Answers 17. Which Transport Layer protocol is used for DNS queries? (A) TCP (B) ICMP (C) UDP (D) HTTPShow All Answers 18. The Transport Layer ensures: (A) Reliable end-to-end delivery (B) Node-to-node delivery (C) Path selection (D) Logical addressingShow All Answers 19. Which Transport Layer protocol is used by FTP? (A) TCP (B) UDP (C) ICMP (D) SMTPShow All Answers 20. The main purpose of the Transport Layer is: (A) Physical transmission of bits (B) Routing packets (C) Reliable process-to-process communication (D) Framing dataShow All Answers