CCNA Discovery 2.1

1. Which two things can be determined by using the ping command?….. (the IP address of the router nearest the destination device, the average time it takes a packet to reach the destination and for the response to return to the source)

2. What are three main types of high-bandwidth connection options used by medium- to large-sized businesses?….. (metro Ethernet, T1, T3)

3. What is the maximum T1 transmission speed?….. (1.544 Mbpsz)

4. Which of the following start the test of destination reachability?….. (echo reply issued by destination)

5. Which statement describes a function of a Tier 1 ISP?….. (peers with other similarly sized ISPs to form the global Internet backbone)

6. At which point do individuals and small businesses connect directly to the ISP network to obtain Internet access?….. (at a POP)

7. What information is contained in the numbered RFCs maintained by the IETF?….. (he standards for cabling and wiring for local Ethernet networks)

8. Which network support services team is responsible for testing a new customer connection and for monitoring the ongoing operation of the link?….. (network operations)

9. Which network support services team identifies whether the client site has existing network hardware and circuits installed? ….. (planning and provisioning)

10. Which ISP network support systems team will typically contact the customer once a new circuit is ready and guide the customer in setting up passwords and other account information? ….. (help desk)

11. What feature allows network devices to be scalable?….. (a fixed number of interfaces)

12. Which command generated this output?….. (Router# ping

13. Which network utility helps determine the location of network problems and identifies routers that packets travel across?….. (tracerout)

14. What interconnects the Internet backbone?….. (IXPs)

15. What units are used to measure Internet bandwidth?….. (bytes per second)

16. The IT manager of a medium-sized business wishes to house the company-owned web servers in a facility that offers round-the-clock controlled access, redundant power, and high-bandwidth Internet access. Which ISP service will fulfill this need?….. (equipment colocation)

17. What is the purpose of an RFC? ….. (1984)

18. When did the Internet become available for use by businesses and consumers? ….. (1984)

19. What was the original purpose of the Internet?….. (voice communication)

20. What three support service teams are commonly found within an ISP?….. (help desk, network operations center, planning and provisioning)


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