This open book exam consists of 69 multiple choice questions. Select the response that best answers each question, and circle it. If you do not know the answer, then guess. You may use notes and textbooks as needed. You must finish and send in the results by 5:30 PM on May 12, 1998.
 

Question # 1
According to your instructor, most of the world's population is currently engaged in ________:
hunting
agriculture
industry
information manipulation

Question # 2
A device which converts a digital signal to an analog wave form, and vice-versa is a ________:
modulator
demodulator
modem
all of the above

Question #3
The form of communication in which information can flow in both directions simultaneously is _________:
simplex
half-duplex
full-duplex
none of the above

Question # 4
The form of communication in which all bits representing a single character are sent through a cable one bit at a time is ________:
serial
parallel
asynchronous
synchronous

Question # 5
The substitution of data communications and computers for the commute to work is called ________:
telecommuting
telecommunications
teleconferencing
informatics

Question # 6
In modem communications, when people use the term baud, they are usually referring to _________:
words per second
characters per second
bits per second
pictures per second

Question # 7
When you sign on to the JOVE system and transmit a message from your local floppy disk to JOVE's Email editor, you are engaged in ________:
uploading
downloading
uplinking
downlinking

Question # 8
In order to receive a call from a remote computer, you should set your modem in which mode?
echo on
echo off
originate
answer

Question # 9
Which of the following communication parameters is not modifiable by a typical modem user?
start bit(s)
stop bit(s)
data bit(s)
parity

Question # 10
Which of the following is not a common modem standard?
Bell 93
Bell-103-113
Bell-212
Bell-202

Question # 11
A computer with a communication program set at 1200, E, 8, 2 can theoretically receive or send data at _________:
1200 characters per second
120 characters per second
100 characters per second
30 characters per second

Question # 12
A computer with a communication program set at 1200, O, 7, 1 can theoretically receive or send data at _________:
1200 characters per second
120 characters per second
100 characters per second
30 characters per second

Question # 13
A computer with a communication program set at 300, E, 7, 1 can theoretically receive or send data at ________:
1200 characters per second
120 characters per second
100 characters per second
30 characters per second

Question # 14
One of the earliest modulation schemes used to transmit data through telephone modems was _________:
FSK
PSK
QAM
SSB

Question # 15
A modulation scheme that involves changing the height of a waveform in order to convey information is ________:
FSK
PSK
QAM
SSB

Question # 16
Which of the following modulation schemes does not involve shifting the phase of the waveform?
FSK
PSK
QAM
SSB

Question # 17
The author's modem has the following information written on the front panel: 28,800 bps 14,400 fax V.42bis MNP 2-5. Which of the following refers to the data compression capabilities of the modem?
28,800
14,400
V.42bis
MNP 2-5

Question # 18
Given the same background information as for question 17, which of the following indicates the advertised data throughput rate of the modem?
28,800
14,400
V.42bis
MNP 2-5

Question # 19
Which of the following is not a web browser?
Netscape
Internet Explorer
Mosaic
Web Crawler
none of above

Question # 20
A common way of accessing email that does not require having your PC in the Internet (ITI) is via ________:
asynchronous terminal emulation
TCP/IP
PPP
Netscape
none of above

Question # 21
The Internet is a network of networks sharing a common protocol called ________:
asynchronous terminal emulation
TCP/IP
PPP
Netscape
none of above

Question # 22
According to your instructor, video frames must flash by the viewer at _____ frames per second or greater in order to be perceived as full motion:
7
15
24
30

Question # 23
According to your instructor, most CU-See Me exchanges take place at _____ frames per second.
7
15
24
30

Question # 24
The number 129.120.20.124 represents a(an) _________:
IP address
URL
hexadecimal code
phone number

Question # 25
The following message was transmitted over an asynchronous communication line with the settings 7,E,1. The order of transmission is (left to right) start bit, parity bit, data bits (high order first), stop bit (s). Use the ASCII code sheet to decipher the message.
101010011111100111111010100111
SOS
BIT
RUN
SAM

Question # 26
How many bits would theoretically be required to represent 10,000 kanji characters for the Japanese language?
7
8
14
16

Question # 27
What will happen to the music coming from a phonograph built to run on 60 cycle alternating current if it is plugged into a 50 Hertz power source? It will sound _________:
high pitched
low pitched
normal
backwards

Question # 28
According to your instructor, distance education is composed of distance teaching and distance ___________:
time delay
jet lag
learning
understanding
all of the above

Question # 29
Which of the following is a potential delivery system for distance education?
surface mail
e-mail
two-way radio
satellite broadcast
all of above

Question # 30
A system which allows 2-way, interactive access to text and graphics is classified as ________:
electronic mail
teletext
videotex
television

Question # 31
A common method of delivering teletext information is through ________:
the video blanking interval
a floppy disk
parallel cabling
the U.S. Mail

Question # 32
A U.S. video display standard that produces 525 scan lines per screen is ________:
NTSC
PAL
SECAN
CCITT

Question # 33
A world video display standard that produces 625 scan lines per screen and operates at 50 Hz is ________:
NTSC
PAL
SECAN
CCITT

Question # 34
According to your instructor, CU-See Me exchanges can take place using ________:
public reflectors
point-2-point links
private reflectors
any of the above

Question # 35
According to your instructor, most TV sets in the U.S. change frames ____ times per second:
7
15
24
30

Question # 36
Which of the following is not a common network topology?
Ring
Gate
Star
Bus

Question # 37
The seven-layer model which has been adopted by a world standards organization as the basis for constructing networks is called ________:
ISO-OSI
CTS-RTS
XON-XOFF
PTA-PTO

Question # 38
The smallest of the classes of computer networks listed below, according to geographic area covered is ________:
LAN
Cluster
WAN
MAN
DAN

Question # 39
Universal time is marked relative to local time in Greenwich, England. The abbreviation for this is ________:
GMT
UTC
zulu
all of the above

Question # 40
The part of a linear antenna that actually emits the signal carried to it by the cable is the ________:
reflector
director
driven element
mast

Question # 41
A satellite component which receives incoming signals and rebroadcasts them is called a(an) ________:
electronic gun
repeater
transponder
scanner

Question # 42
A satellite in geosynchronous orbit must always be located over the ________:
North Pole
South Pole
Equator
Western Hemisphere
 

Question # 43
Commercial satellite communications usually take place in the range of 1-15 ________:
hertz
kilohertz
megahertz
gigahertz

Question # 44
Which of the following is not commonly used for commercial satellite communications?
C Band
S Band
Ku Band
all are commonly used

Question # 45
The system of distributing TV to a community by running the antenna signal through a coaxial cable is ________:
ABC
CATV
closed captioned
public television

Question # 46
The lowest of the following frequency ranges is ________:
SHF
UHF
EHF
HF
VHF

Question # 47
At what elevation will researchers near the North Pole point their antenna in order to reach a geostationary satellite?
90
180
0
45

Question # 48
Given the formula: wavelength in meters = 300.000.000/ frequency in Hz, approximately how long would the carrier wave used to broadcast 99.9 FM radio be in meters?
999
300
100
3
 

Question # 49
Given the speed of light is 186,000 miles per second, and the moon is 250,000 miles away, how long would it take in seconds for a radio signal to bounce off the moon and return to earth?
999
300
100
3

Question # 50
A ______ contains few or many computers connected within a nine mile radius.
WAN
LAN
MAN
PAL
Cluster

Question # 51
The physical configuration of interconnected nodes or interconnecetion between processors in a computer network is called?
topology
bus
ring
star
fiber optic

Question # 52
The name for the extra bit in an error detection mechanism whose value is 0 or 1 in order to make the total number of 1 bits in the checked stream either even or odd is ______?
baud
Bell 212
parity
handshaking
character prompt

Question # 53
Which of the following uses a single radio Frequency to achieve a higher rate?
ribbon cable
narrow band
baseband
broadband
coaxial cable

Question # 54
Which transmission media are glass-like fibers that carry light beams to far off distances?
fiber optics
twisted pair wires
microwaves
AM radio waves
coaxial cable

Question # 55
Which bandwidth is used for non voice service such as telegraphs?
broadband
voiceband
narrowband
baseband

Question # 56
Satellites in this orbit are typically closer to Earth, around poles, and about 800-1000 miles out.
polar orbit
geostationary
transponder
equatorial orbit

Question # 57
Which is not a type of communication cable?
twisted pair
fiber optic
coaxial
bandwidth

Question # 58
A device with a display that allows customers to type in a message and read return messages is a(an) _______ ?
CRT
ELF
VCR
Modem

Question # 59
A computerized meeting and announcement system that allows people to carry on discussions via the World Wide Web without people being connected at the same time is called ______?
BBS
Chat
Forum
Access

Question # 60
A computerized meeting and announcement system that allows people to carry on discussions via dial-up modem without being connected to the Internet or connected to each other at the same time is ______ ?
BBS
Chat
Forum
Access

Question # 61
What frequency can carry FM radio and television?
HF
VHF
MF
LF

Question # 62
Half duplex transmits in which direction?
one way transmission
both directions, not simultaneously
both simultaneously
none of the above

Question # 63
Morse code uses what type of data transmission?
parallel
echo off
serial
synchronous

Question # 64
Identify which of the following is not a transmission medium.
twisted pair wire
microwave
scan lines
satellite

Question # 65
What does VF stand for?
voice frequency
video feed
very-high frequency
vertical frequency

Question # 66
What is bandwidth?
50 hertz
Data in BPS that's sent through a connection
100 kilobytes
2 megabytes

Question # 67
What is an IP number?
Internal protocol # used for Internet address
audio frequency
Internet protocol # of 4 pts. separated by dots
TV frequency

Question # 68
What is a kilobyte?
1 million bytes
1000 bytes
2 billion bytes
1024 bytes

Question # 69
PSTN stands for ______ ?
modem brand
Post Stress Technical Network
satellite station
Public Switched Telephone Network

Congratulations, you have finished taking the final exam for this course.