Trắc Nghiệm Mạng Máy Tính Tiếng Anh

Question 1. Which of the following is a primary function of the Presentation Layer (Layer 6) in the OSI model?

Question 2. In the TCP/IP model, which layer is responsible for logical addressing and determining the best path for data to travel across networks?

Question 3. What is the main purpose of encapsulation in network communication?

Question 4. A set of rules that governs data communication between devices is known as a:

Question 5. Which statement accurately distinguishes the TCP/IP model from the OSI model?

Question 6. The process of a higher-level protocol data unit (PDU) being placed inside a lower-level PDU is called:

Question 7. Which layer of the OSI model is responsible for providing services directly to the user's application, such as web browsing or email?

Question 8. A network device that operates only at the Physical Layer (Layer 1) and repeats all incoming signals to all connected ports is a:

Question 9. What is the primary function of a MAC (Media Access Control) address?

Question 10. A Switch operates at which layer of the OSI model?

Question 11. Which of the following is a characteristic of Unshielded Twisted Pair (UTP) cabling?

Question 12. The Data Link Layer is divided into which two sublayers?

Question 13. In a CSMA/CD network, what is the first action a device takes after detecting a collision?

Question 14. A device operating at the Network Layer that forwards packets between different networks based on IP addresses is known as a:

Question 15. Which of the following IP addresses belongs to Class C?

Question 16. What is the purpose of the subnet mask in IP networking?

Question 17. The protocol responsible for resolving an IP address to a physical MAC address is:

Question 18. What is the loopback IP address, used for testing a machine's own network stack?

Question 19. A routing protocol that uses "hop count" as its primary metric for path selection is:

Question 20. What information is contained in the header of an IP packet?

Question 21. What is a key difference between TCP (Transmission Control Protocol) and UDP (User Datagram Protocol)?

Question 22. In the context of the Transport Layer, what is a "port"?

Question 23. The "three-way handshake" (SYN, SYN-ACK, ACK) is a process used by which protocol to establish a connection?

Question 24. The mechanism that prevents a fast sender from overwhelming a slow receiver is known as:

Question 25. Which of the following applications would be most suitable for using UDP?

Question 26. The primary protocol used for browsing websites is:

Question 27. The function of the Domain Name System (DNS) is to:

Question 28. Which protocol is responsible for automatically assigning an IP address, subnet mask, and default gateway to a client device?

Question 29. When you send an email, which protocol does your email client typically use to send the message to your mail server?

Question 30. FTP (File Transfer Protocol) is unique because it uses two separate connections between client and server. These connections are for: