2. Cisco Discovery Working at a Small-to-Medium Business or ISP CHAPTER 7 ISP Services Jr

3. ISP Services TCP/IPDNS Services & Protocols Grab Bag 100 200 300 400 500

4. ISP Services 100 Mean Time Between Failure and Mean Time to Repair. The longer the MTBF, the greater the fault tolerance. A: What is reliability? S2C01 Jeopardy Review

5. ISP Services 200 A: What is the Availability? Normally measured in the percentage of time that a resource is accessible. S2C01 Jeopardy Review

6. ISP Services 300 A: What is the consumer market? Individuals make up this market… S2C01 Jeopardy Review

7. ISP Services 400 A: What is the SLA? A managed service, service provider manages the network equipment and support. This agreement is called an _______. S2C01 Jeopardy Review

8. ISP Services 500 A: What is the “five 9s”? Telephone services are expected to be available 99.999% of the time. S2C01 Jeopardy Review

9. TCP/IP 100 A: What is Converged networks? Allows all different services to be delivered over a common netwok. I.e., mobile phones as TVs, PCs as telephones. S2C01 Jeopardy Review

10. TCP/IP 200 A: What is a SMTP? Enables clients to send email to a mail server S2C01 Jeopardy Review

11. TCP/IP 300 A: What is a socket pair? Consists of the source and destination IP address and port numbers. 192.168.1.1:7151, 10.10.10.101:80 S2C01 Jeopardy Review

12. TCP/IP 400 A: What is UDP? “best effort” delivery protocol, connectionless, low overhead data delivery, e.g.. Internet Radio S2C01 Jeopardy Review

13. TCP/IP 500 A: What is a three way handshake? This SYN, SYN-ACK, ACK activity is known as a _______________. S2C01 Jeopardy Review

14. DNS 100 A: What is the HOSTS file? File that contained the mapping of hostname and IP address for every device connected to the early Internet. S2C01 Jeopardy Review

15. DNS 200 A: What is top-level domains? These are examples of ______ domains;.au,.com,.jp,.gov S2C01 Jeopardy Review

16. DNS 300 A: What is Reverse lookup zone? Special zone that lets you resolve an IP address to a fully qualified domain name S2C01 Jeopardy Review

17. DNS 400 A: What is DNS Reverse Lookup? Ping –a 192.168.0.6 S2C01 Jeopardy Review

18. DNS 500 A: What is caching only DNS servers? ISPs typically maintain these types of DNS servers. S2C01 Jeopardy Review

19. Services & Protocols 100 A: What is HTTPS? S2C01 Jeopardy Review Protocol uses authentication and encryption to secure data as it travels between client and server. Specifies additional rules for passing data between the application between the applications layer and the transport layer. Uses SSL.

20. Services & Support 200 A: What is FTP? S2C01 Jeopardy Review Requires two (2) connections to exist between the client and the server—one to send control information and commands and a second one for the actual file data transfer

21. Services & Protocols 300 A: What is a email hosting? S2C01 Jeopardy Review Store and forward method of sending, storing and retrieving electronic messages across a network.

22. Services & Protocols 400 A: What is a IMAP4? S2C01 Jeopardy Review Protocol that describes a method to retrieve email messages. Copies the message down to the client application and original messages are kept on the server until they are manually deleted.

23. Services & Protocols 500 A: What is a SMTP S2C01 Jeopardy Review Uses well known port 25.

24. Grab Bag 100 A: What is DNS? Protocol used to resolve Internet names to IP addresses S2C01 Jeopardy Review

25. Grab Bag 200 A: What is a UDP? _____traffic examples use this protocol: DNS, VoIP, online games S2C01 Jeopardy Review

26. Grab Bag 300 A: What is a TCP and UDP? Headers of these protocols have the following in common: source port, destination port and checksum S2C01 Jeopardy Review

27. Grab Bag 400 A: What is dynamic ? This type of update allows client computers to register and update their resource records with a DNS server whenever changes occur S2C01 Jeopardy Review

28. Grab Bag 500 A: What is Local? mapping name-to-IP addresses for internal hosts and forwarding name resolution requests to a caching-only server are the responsiblities of the ______ DNS server S2C01 Jeopardy Review

29. Final Jeopardy A: What is E-mail, web hosting, media streaming, IP telephony, file transfer? Five key services provided by an ISP S2C01 Jeopardy Review

30. Final Jeopardy A: What is the PING command? Command that sends some TCP/IP data to the computer that you specify in the command. It the device is configured properly, it answers back. S2C01 Jeopardy Review