S A M P L E 

CPS 1 (Ramm)			Spring 2001		      13 April 2001
				  Quiz #11

Name ___________________   Honor Code________________________    Section _____

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A. True/False?
(1) Light travels about one foot in a nano-second.  [True]

(2) Having no moving parts, vacuum tubes are more reliable than transistors.
    [False]
(3) Integrated circuits have no heat problems in modern computers.  [False]

(4) Relays allow low power, remote control of high power circuits.  [True]

(5) Integrated circuits can have over one million transistors on one chip.
    [True]
and more such ...


B.  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

C.  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) Due 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 password for that remote computer [False]

8) If a packet is found to be defective (using a checksum) the originating
host must send it again. [True]

9) Communications packets are 100% efficient in that they contain only
data [False]

and more such ...