____________________________ Name ____________________________ Date CCNA DISCOVERY 1 MODULE 6 – NETWORK SERVERS STUDY GUIDE 6.1.1 Client/Server Relationships 1. What is a server? 2. What factor is crucial to enabling complex interactions? 3. What is a client? 4. What is the key characteristic of client/server systems? 5. What is the most commonly used instance of a client/server system? 6.1.1.4 Activity 6.1.2 Role of Protocols in Client/Server Communication 6. What does HTTP define? 7. 8. What is the transport protocol that manages the individual conversations between web servers and web clients? What else does TCP provide? CCNA Discovery 1 Mod 6 Study Guide Page 1 9. What is the most common internetwork protocol? 10. What is IP responsible for? 11. What governs how the bits are represented on the media, how the signals are sent over the media, and how they are interpreted by the receiving hosts? 6.1.3 TCP and UDP Transport Protocols 12. What are the two most common transport protocols? 13. 14. What protocol is used when an application requires acknowledgment that a message is delivered? What type of system is UDP? 6.1.3.4 Activity 6.1.4 TCP/IP Port Numbers 15. What is a port? 16. What is the port number for HTTP services? 17. What is the port number for FTP services? 18. How is the source port identified? CCNA Discovery 1 Mod 6 Study Guide Page 2 19. What is a socket? 20. What is the purpose of the socket? 6.2.1 Domain Name Service (DNS) 21. What does a DNS server do? 22. What is the port number for DNS services? 6.2.1.3 Lab Activity 6.2.2 Web Client and Servers 23. What is the most commonly used markup language? 24. Is HTTP a secure protocol? 25. Where are requests for secure HTTP sent? 6.2.2.2 Packet Tracer Activity 6.2.3 FTP Clients and Servers 26. What does FTP do? 27. What port numbers are associated with FTP? 6.2.3.2 GUI FTP Client 6.2.3.3 Lab Activity 6.2.4 Email Clients and Servers CCNA Discovery 1 Mod 6 Study Guide Page 3 28. What is one of the most popular client/server applications on the Internet? 29. What are some of the protocols used in processing email? 30. What is SMTP used for? 31. What port number is associated with SMTP requests? 32. What does SMTP stand for? 33. What does the acronym POP stand for? 34. What port number is associated with POP3? 35. What is POP3 used for? 36. What is SMTP used for? 37. What port number is associated with IMAP? 38. What is the difference between POP3 and IMAP4? 6.2.4.4 Lab Activity CCNA Discovery 1 Mod 6 Study Guide Page 4 6.2.5 IM Clients and Servers 39. What is one of the most popular communication tools today? 40. Can you transfer video, music, and speech files using IM? 6.2.6 Voice Clients and Servers 41. What is IP telephony? 42. How do you get started using Internet telephone? 6.2.7 Port Numbers 43. How many ports are available? 44. What are the three categories of ports? 45. Who assigns and manages ports? 46. What are well-known ports? 47. What is the range of port numbers for well-known ports? 48. What port is assigned for Telnet? 6.2.7.2 Activity 6.3.1 Protocol Interaction CCNA Discovery 1 Mod 6 Study Guide Page 5 49. What does successful communication between hosts require? 50. What is a protocol stack? 51. What are the benefits of a layered model? 52. What are the layers of the TCP/IP model? 53. Which layer of the TCP/IP model is responsible for end-to-end delivery services? 54. Where is error checking information found? 6.3.2.3 Activity 6.3.3 Open Systems Interconnect Model 55. Who developed the OSI model? 56. When was the OSI model developed? 57. How many layers are there in the OSI model? 58. What are the layers of the OSI model? CCNA Discovery 1 Mod 6 Study Guide Page 6 59. What is an acronym for helping to remember the OSI layer? 60. Which layer encrypts and decrypts data and compresses and decompresses data? 61. Which layer detects and corrects frame transmit errors? 6.3.3.3 Activity 6.3.3.4 Activity 6.3.3.5 Packet Tracer Activity 6.5.1.1 Chapter Quiz CCNA Discovery 1 Mod 6 Study Guide Page 7