ISM 4220 Check list Updated February 16th 03:00 hrs

# Question Acceptable Answer/s Panko Page
1 What does modem stand for? modulator demodulator 7
2 Name three Operating Systems Win  NT / 3.1 / 95 / 98 / 2000/ UNIX / LINUX / MACOS/ 126
3 Name five software applications Word/excel/access/PP/ WP/ Accounting/Designing GK
4 Name 5 different types of hardware inside PC Power supply/power supply fan/ Motherboard/CPU/CPU fan/sound card/video card/fax - modem card/ serial - parallel ports/ NIC / diskette drive / hard drive / CD-Rom / CDRW / backup device (Zip etc.) /  RAM / Cache memory / I/O card / Mouse port / GK
5 What does PC stand for? Personal Computer GK
6 A PC means that it is IBM compatible YES/NO Yes GK
7 When you are unpacking a new PC, name 4 connections you need to make in order to set it up. Mouse/keyboard/monitor/telephone line/printer/scanner/speakers/power GK
8 What are the first 6 letters in first row of letters of a keyboard? QWERTY GK
9 A Network of three PCs in the same office, is a LAN, WAN, MAN or VAN ? LAN GK
10 What does LAN stand for? Local area network 8
11 What does WAN stand for? Wide area Network 8
12 What does MAN stand for? Metropolitan area network
13 What does VPN stand for? Virtual Private network
14 Can a company have both a LAN and a WAN? Yes GK
15 Can a company have two LANs? Yes GK
16 How many computers can you normally have on a LAN 20-30/ 200-300/ or 2000-3000?   200-300
17 If you network 30 PCs with Windows 98 as the NOS, what type of network is it? Peer to Peer
18 You have 4 PCs; Name 3 extra hardware required to network the 4 computers NIC / Cables / HUB
19 Name 3 types of transmission media Copper wire or UTP/ Coaxial / Fiber / wireless
20 What does UTP stand for? Unshielded Twisted Pair
21 Why  the twist in UTP? To cancel Interference
22 UTP wire is made of what metal? Copper
23 UTP and coaxial transmit what kind of signals? Electrical
24 Fiber cable transmits data in what form?  Light
25 What is plenum wiring for? Does not give off toxic fumes if it catches fire 125
26 Where is plenum wiring used for? Air ducts 125
27 Is plenum wiring thicker or thinner than UTP? Thicker 125
28 Where can you buy plenum wiring on the market? Home Depot
29 What is the current price of UTP per foot
30 What is the current  price of Plenum per foot?
31 When deciding on alternative technologies for your company, name three categories you must consider Performance, feasibility, cost GK
32 In Performance what must be of concern to you? Speed, reliability, security GK
33 What three main types of cost are you looking at? H/W & S/W, Labor, Life cycle GK
34 Rules of operation followed by vendors are called …? Standards 31
35 Name 2 standards TCP/IP or OSI or SNA or IPX/SPX 49
36 Name another 2 standards TCP/IP or OSI or SNA or IPX/SPX 49
37 What does WWW stand for? World Wide Web GK
38 Name 5 hardware and software that you need to connect your home PC to the internet? PC, modem, telephone line, ISP, browser, PC O/S, phone cable, power cable GK
39 What is the speed of a V.34? 33.6K 101
40 What is the speed of a V.90? Download 53K/56K Upload 33.6K 101
41 If a V.90 talks to a v.34 what speed will they talk at? The slower of the two / V.34 / 33.6Kbps 101
42 A collection of computers interconnected together is a >..? Network 8
43 Messages on the internet are sent in …? Packets 5
44 Packets find their way along the internet because of what hardware? Routers 13
45 The path of a message is called a ….? Route 13
46 Can we trace this route? YES/NO Yes GK
47 How? At the MS dos prompt type tracert 131.94.64.4/Neotrace.exe GK
48 Pinging an IP address establishes if the network is working T/F? TRUE GK
49 Pinging an address will also tell you how fast the connection is between your IP address and the pinged address T/F? TRUE GK
50 Pinging tells you if packets are lost on the way and back T/F? TRUE GK
51 How can you find your PCs MAC address? For windows : At the Run prompt type "winipcfg" or at the DOS prompt type "ipconfig" GK
52 What does DHCP stand for? Dynamic Host Configuration Protocol 44
53 If you select "Obtain an IP address automatically" Windows implements XXXX what? DHCP 48
54 Using DHCP saves on having to obtain for every computer an IP address 48
55 When you first prepare your user PC to work on the Internet, you must first configure it by giving it certain information about itself and the Internet. How many steps? 4 43
56 What are those steps? 1. Its own IP address 2. The IP address of your primary DNS and secondary DNS 3. The IP address of your gateway 4. Tour subnet mask 43
57 Any computer on the internet is a workstation YES/NO No 14
58 Any computer on the internet is a client YES/NO No 14
59 Any computer on the internet is a host YES/NO Yes 14
60 To send someone an email we need to know his? Email address GK
61 To call someone at home we need to know? His telephone number GK
62 To see the FIU web page we need to know the? URL/ host name/ domain name GK
63 Name the two browsers that have fought a long war all the way to the DOJ Netscape/ MSN Explorer GK
64 To search for information on the web we need a …? Search engine GK
65 What does HTTP stand for? Hyper TextTransfer Protocol 54
66 What does HTML stand for Hyper Text Markup Language 54
67 In order to find a web site we need a …..name? Host name GK
68 Computers need what to find a website? IP address 14
69 How many parts in an IP address? Four 14
70 How many bits? 32 bits 14
71 What is the IP version we use today? IP v.4 69
72 What is the new IP version being worked on right now? IP v.6 69
73 IP v.6 will have how many bits? 128 bits 69
74 What does ISP stand for? Internet Service Provider 16
75 How much does a typical ISP charge its customers per month? $20 per month
76 What does NSP stand for? Network Service Providers 61
77 Name one NSP we have recently discussed Intermedia/UUNET GK
78 Name an internet standard with 5 layers TCP/IP 49
79 Name an internet standard with 7 layers OSI 49
80 What does OSI stand for? Open Systems Interconnection 49
81 What standard do IBM mainframes use? SNA 49
82 What does SNA stand for? Systems Network Architecture 49
83 Novell's Netware developed which architecture? IPX/SPX 49
84 Autoconfiguration gives you what automatically? IP address
85 What is a bit? 0 or 1 15
86 Where doe sthe acronym BIT come from? Binary Digit
87 How many bits is an octet? 8 bits 15
88 How many bits to a byte 8 bits 15
89 What does ASCII stand for? American Standard Code for Information Exchange
90 What does CPU stand for? Central Processing Unit
91 Primary storage holds program instructions and data temporarily TRUE FALSE TRUE
92 Primary storage is your hard drive TRUE FALSE FALSE
93 Primary storage is composed of semiconductors TRUE FALSE TRUE
94 What does RAM stand for? Random Access Memory
95 1 MByte is how many bytes? 1,000,000 bytes
96 ROM is read only but you can write on it under certain circumstances TRUE FALSE FALSE
97 Give an example of secondary storage Hard disk, Floppy, Zip, CD-ROM, DVD, Tape
98 What does DVD stand for? Digital video disk or digital versatile disk
99 What does RAID stand for? Redundant Array of Inexpensive or Independent Disks
100 What is the use of RAID? 1. Delivers info faster 2. More reliable - if one disk fails, the others supply info
101 What does RAID consist of? 1. disk drives 100+ 2. controller chip 3.  Specialized software
102 What does MMX microprocessor stand for? Multi Media Extension microprocessor
103 Multimedia integrates two or more types of media; Name some 1. Text 2. Graphics 3. Sound 4. Voice 5. Video 6. Animation
104 MP3 is actually MPEG3 TRUE
105 What does MPEG 3 stand for? Motion Pictures Expert Group audio layer 3
106 MP3 is a compression standards TRUE FALSE TRUE
107 What is the compression ratio of MP3? 1:11 approx
108 DOS is 16 bit OS TRUE FALSE TRUE
109 Win 95/98 is a 32 bit OS TRUE FALSE TRUE
110 A web browser is a software tool for displaying Web pages and accessing Internet resources TRUE
111 Java is a programming language named after the many cups of coffee the SUN Microsystems developers drank TRUE
112 Java delivers a small applet and can run on any computer and O/S TRUE
113 What does ASP stand for? Application Service Providers
114 What is an ASP? Software service providers over the Internet
115 The baud rate is the number of times the state of the transmission line changes TRUE/FALSE TRUE
116 What does reliability in TCP/IP entail? error detection and correction
117 A two part internet Address has a network part and a local part TRUE/FALSE TRUE
118 A three part Internet Address has a network part, a subnet part and a Host part TRUE/FALSE TRUE
119 DNS stands for ? Domain Name System 41-42
120 What does DNS do? Looks up the host name to find IP address
121 What does MAC stand for? Media Access Control 144-145
122 On what hardware is a MAC address found? NIC / adapter card 152
123 Digital transmission is divided into what lengths? Fixed / Variable Fixed 6
124 In Analog transmission the state of the line varies continuously and smoothly among an infinite number of states T/F? TRUE 6
125 Cell phones are basically analog T/F? FALSE GK
126 A cellphone can be both analog and digital T/F? TRUE GK
127 Digital signaling is reliable T/F? TRUE GK
128 Strengthening the digital signal at intervals is called……? regeneration GK
129 Compression is the same as compassion T/F? FALSE GK
130 Compression means to compress the digital signal T/F? TRUE GK
131 If we change the voltage of the medium, that disturbance in voltage is called ……….. Propagation 78
132 Attenuation means that the signal gets weak as it propagates T/F? TRUE 78
133 Noise is random electrical energy T/F? TRUE 79
134 Distortion occurs as the signal travels because it spreads out in time TRUE FALSE TRUE 79
135 As distance increase so does noise T/F? TRUE 79
136 Interference can be canceled out by twisting copper wire T/F? TRUE 80
137 Copper wire is less easy to use on Desktop computers because it breaks easily T/F? FALSE GK
138 Optical fiber is cheaper than coaxial cable T/F? FALSE 83
139 Cross talk interference occurs when wires are placed side by side 81
140 Bandwidth is the difference between maximum and minimum frequency in a channel T/F? TRUE 91
141 A serial port has 12 pins  T/F? FALSE 9 PINS 87
142 A parallel port has 25 pins T/F? TRUE 87
143 In full duplex each side speaks one at a time T/F? FALSE both sides communicate simultaneously 89
144 Give an example of equipment communicating on half duplex walkie talkie GK
145 A PC card is also a PCMCIA card T/F? TRUE GK
146 A fax top speed presently is 9,600 kbps T/F ? FALSE 14.400 kbps GK
147 In wire transmission we usually change voltage levels to represent different states, high for 1 and low for 0 TRUE 93
148 For fiber what do we do to light to represent different states? on - off 93
149 There were two standards for modems X2 and K56Flex - what standard unified them? V.90 101
150 ISDN stands for ..? Integrated Services Digital Network 106
151 DSU stands for ….? Data service units 107
152 What type of connection is a DSU used for ? ISDN connection 107
153 An analog line with a digital phone requires a modem, CODEC or dsu? CODEC 107
154 An analog line with digital equipment like a PC requires what type of unit to access the internet? MODEM 107
155 If we have digital equipment with a digital line what type of unit do we need to access the Internet? DSU 107
156 A Cable Modem can not transmit TV pictures and WEB photos on the same cable T/F? FALSE GK
157 Wireless access exists IN CBA building T/F? TRUE GK
158 Serial ports are good for speeds up to 115.2 kbps T/F? TRUE 86
159 Ethernet  NICs are faster than serial ports T/F? TRUE 105
160 An Ethernet NIC is designed to work with at least 10Mbps Ethernet LANS T/F? TRUE 105
161 Ethernet NIC are expensive - They begin at $2,500 T/F? FALSE $25-$35 GK
162 USB stands for ??? Universal Serial Bus 105
163 A USB port operates at 12Mbps T/F? TRUE 105
164 Firewire means wire tested to resist fire T/F? FALSE 105
165 Firewire operates at what speed? 400 Mbps 105
166 What is IEEE? Institute of Electrical and Electronics Engineers 145,348
167 What is IEEE 1394? Firewire 105
168 With ISDN you can talk and receive data at the same time T/F? TRUE 105-107
169 A HUB  stands for Holding Uninterrupted Basics T/F? BULLSHIT 8
170 A hub connects client PCs and servers together T/F? TRUE 8
171 10Base T  means it operates at 10Mbps T/F? TRUE 122
172 100BaseT means it operates at 100Mbps T/F? TRUE 122
173 Can you mix and match 10BT and 100BT? YES GK
174 A server is normally more expensive than a PC T/F? TRUE GK
175 You would set up a file server when you want many to share the same information T/F? TRUE GK
176 A Print server holds all print requests in order and prints them when the printer is free T/F? TRUE GK
177 UPS stands for ? Uninterruptible power supply GK
178 Encryption is prohibited in the USA T/F? FALSE GK
179 All server operating systems are multitasking but single user  FALSE 128
180 One application per server has several advantages - What are they? Optimization - Reliability - Security 128-9
181 File servers do not allow sharing TRUE FALSE? FALSE 129
182 Printers are connected to boxes called print servers. TRUE FALSE TRUE 130
183 A typical print server costs $100-300 130
184 What is a RAS? Remote Access Server 131
185 What is the use of a RAS? Allows dial-in access to files 131
186 Authentication asks for the user to XXXXX? Type in user id and password 132
187 Serial Router give access to the XXXXX? Internet 132
188 A simple serial router costs between? $500-$2000 132
189 A serial router often provides simple security TRUE FALSE TRUE 133
190 A serial router has how many ports? 2 132
191 What are those ports? 1. LAN port to connect router to LAN and 2. outside port to link router to external line 132
192 External line can be an analog line or DSL line TRUE 132
193 External line can be a cable modem line  or a leased line TRUE 132
194 External line can be a HUB line FALSE 132
195 All these external lines are PPP TRUE 132
196 "Resource look up" contains information about all users on all servers TRUE FALSE TRUE 133
197 Access rights limit the ability of users in what they see TRUE FALSE TRUE 136
198 Access rights limit the ability to create, edit, save and delete files TRUE FALSE TRUE 136
199 Access rights limit the ability to create and delete subdirectories TRUE FALSE TRUE 136
200 Access rights limit the ability of users to assign access rights to other users TRUE FALSE TRUE 136
201 Automatic inheritance allows assigned rights to be automatically inherited by lower level directories 136
202 Systems administrators have what kind of rights? Omnibus Access Rights 137
203 LEOs are approximately 200-500 miles above the earth TRUE FALSE TRUE 112
204 MEOs are approximately 5-15,000 miles TRUE 112
205 GEOs are geosynchronous satellites that are stationary above earth  FALSE 112
206 GEOs are at 22,300 miles above earth and orbit earth every 24 hours TRUE 113
207 What is a T1? 24 lines x 64Kbps = 1.544Mbps
208 What is an E1? European systems of 32 lines x 64 Kbps 2.08Mbps
209 What is another word for T1? DS1
210 What is the transmission speed of a T3? 44.7Mbps
211 What is the transmission speed of an E3? 34.4Mbps
212 What is a fractional T1? multiples of 64Kbpseg 128,256K etc.
213 What does SONET stand for? Synchromous Optical Network
214 SONET operates at multiples of 51.84 Mbps T/F? TRUE
215 What is the transmission speed of OC-3? 156 Mbps (3 T3s)
216 Name some of the Optical Carrier levels to date. OC-3,OC-12,OC-48,OC-192,OC-768
217 What is the transmission speed of OC-768? 40Gbps
218 Name two types of switching Circuit and packet
219 Circuits creates a connection between two telephones? T/F TRUE
220 Packet switching are used by data networks T/F? TRUE
221 Congestion is one of the biggest problems of networks today T/F? TRUE
222 Congestion means a permanent situation T/F? FALSE
223 Latency is how slow the network is T/F? FALSE
224 What does guaranteeing a 1Mbps throughput mean? A guaranteed transmission of 1.000.000 bits per second
225 Speed on a network is measured in bytes, Kbytes, Mbytes or Gbytes T/F? FALSE bits, Kbits, Mbits Gbits
226 Encapsulation
227 Application layer ensures that two programs communicate together TRUE
228 Transport layer ensures that two computers communicate together correctly T/F? TRUE
229 The Internet layer ensures the routers talk the same language T/F? TRUE
230 The Data link layer ensures the subnets talk together correctly T/F? TRUE
231 The physical layer is the only layer to do with the internet T/F? FALSE
232 Router forwarding decisions is the core task of a router selecting an output port T/F? TRUE
233 How many parts of an IP address are read by the Network part? 2 of the 4
234 How many parts of an ip address are read by the SUBNET? 1 or 4
235 Which part of an IP address is the part for the host computer? the last part 4th of 4
236 Propagation is the same as travel T/F? TRUE
237 Attenuation is not being able to attend to the signal T/F? FALSE - WEAKENS
238 Termination problems are caused by cross talk T/F TRUE
239 What is the maximum distance that you can untwist a UTP without the risk of crosstalk? 1.25 cms / 1/2 inch
240 A DAC is a digital to Analog converter found at the CO? TRUE
241 A ADC is a digital to Analog converter found at the CO? FALSE