i-Net+

Short-answer quiz

1 What is an internet? 2 Which transmission method - baseband or broadband -- uses the entire bandwidth of the transmission medium for a single channel of data? 3 Bridges and switches are associated with which layer of the OSI model? 4 Network cards, hubs, and repeaters are associated with which layer of the OSI model? 5 IP operates at which layer of the OSI model? 6 What information does an IP address contain? 7 Which octet on a class C IP address identifies the host itself? 8 Is IP a connection-oriented or connectionless protocol? 9 Although less reliable, UDP has what important advantage over TCP? 10 What utility can be used to view all the hops required for a packet to travel to a specific host? 11 What utility would you use to view the IP address of your computer if it is running Windows NT? 12 What is the technique for correlating FQDNs to IP addresses over the Internet, for example associating AUDIOWHIZ (dot) COM to its IP address 209 (dot) 239 (dot) 39 (dot) 31. 13 What is the primary record type that correlates a host name to its IP address? 14 What utility is used by administrators of DNS servers to obtain information from name servers? 15 Internet routing is primarily the passage of packets inside an autonomous system, known as intra A S routing, and from one autonomous system to another, known as inter A S routing. How does a router know the best path to forward a packet towards its final destination? 16 How do the routers of an autonomous system communicate with the routers of other autonomous systems? 17 What are WAN switches? 18 What is the maximum throughput rate defined for Frame Relay? 19 What is the maximum throughput rate currently available for ATM? 20 What is the channel capacity and data throughput for the two most popular E carriers in use today? 21 What is the difference between Tier 1 and Tier 2 ISPs? 22 Which service provides digital access to the Internet using a terminal adapter? 23 Which two DSL types are being used to transmit full-duplex T1/E1 signals? 24 The Internet Society provides support, including financial, to what three international Internet-related organizations? 25 What unique piece of equipment is needed for customers to connect to a leased line?