CPS 1 (Ramm) Spring 1998 21 January 1998 Quiz #1 Name ___________________ Honor Code________________________ Section _____ (Note: Getting your Name and Section right is worth one point. If we can't decipher your name or section, it's wrong.) A. Below are three examples of addressing in computer communications. Draw a line connecting the type to the example. Ethernet Address -- b0:40:95:0f:2b:7a Domain Address -- redstart.cs.duke.edu IP Address -- 152.3.140.145 B. True/False? 1) Every Ethernet controller in a local area network has the same address [False] 2) The telnet program is used to keep you from logging into remote computers [False] 3) When using the Ethernet, you are secure from all electronic eavesdropping [False] 4) The IP layer of the TCP/IP software used for Internet communications tries to make all networks look the same, regardless of underlying technology [True] 5) Duke to the layering of software, packets are carried within packets (e.g. an IP packet is carried as data within an Ethernet packet) [True] 6) The only purpose of anonymus ftp is to hide the identity of the requester [False] 7) All access to information from a remote computer by way of the Internet requires an account and a pssword for that remote computer [False] 8) If a packet is found to be defective (using a checksum) a request is made of the originating host to send it again. ]True] 9) Communications packets are 100% efficient in that they contain only data [False] 10) We are not likely to run out of Ethernet addresses in the next year or so [True] 11) Using the World Wide Web allows us to avoid the use of the Internet [False] 12) Ethernet addresses are easier for people to remember than domain addresses [False] 13) Machines which have IP addresses that are identical in the begnning, for example 152.3.184.15 and 152.3.184.16, are likely to be close together [True] 14) Since each controller listens for silence before starting to send info, collisions are impossible [False] 15) Computers never have more than one Ethernet controller [False] 16) Duke University was relatively late in adopting the use of news groups [False]