1. IP hosts in two different company TCP/IP networks send IP packets to each other through the
Internet. Which of the following is true about the Internet connections that must exist so that the packets can flow between the two companies? a. The two companies must connect directly to each other. b. The two companies must each have at least one Internet access link. c. The two companies must connect to the same ISP. d. The two companies must each connect to a Tier 1 ISP. 2. Which of the following standalone devices can be found near the Internet edge, with a primary purpose of providing some type of network security between an enterprise or SOHO TCP/IP network and the Internet? (Choose two answers.) a. LAN access point…show more content… b. The technician needs to connect the CO end of the local loop to a CMTS. c. The technician needs to install HFC cabling. d. None of the answers is correct.
9. A user asks the cable company to install cable Internet service. The deal includes having a technician come and install all the equipment in the home. The equipment includes a consumer- grade router that performs several functions and an external cable modem. The cable company has equipment in its local head end offices as well. Which of the following devices, or functions inside the integrated router, plays a role in separating the data signals on the HFC cabling from the video signals? a. The router’s firewall function b. The router’s NAT function c. A cable modem d. The DSLAM at the head end 10. Which of the following Internet access technologies create an always-on Internet service, allow voice calls on the local telco’s local loop while the Internet service still works, and use asymmet- ric speeds? (Choose two answers.) a. Cable Internet b. ADSL c. Analog modems d. T1 11. Imagine the early days of the Internet, before CIDR. A company wants to connect to the Internet, so it asks IANA or an associated RIR to assign the company some public IP addresses. Which of the following lists an approximate number of IP addresses that IANA or the RIR could possibly assign? (You can ignore rounding issues and