Networking Ch 1-4

Front 1

What device, consisting of a screen keyboard, was used to connect to a mainframe computer

Back 1

Dumb Terminal

Front 2

A _______ is a very large network that can stretch across large geographical areas

Back 2

WAN

Front 3

A _______ is usually limited to just one building, or at most several buildings that are locate close together

Back 3

LAN

Front 4

A _______ is usually limited to a city are of 50 KM

Back 4

MAN

Front 5

In what type of network do all computers act as servers and clients that can share data and resources with all other computers in the network?

Back 5

Peer-to-peer network

Front 6

Which type of network uses dedicated computers and dedicated clients?

Back 6

Client/Server network

Front 7

What kind of network contains one or more primary servers that provide authentication for network resources and services?

Back 7

Client/Server network

Front 8

Which term defines the logical and physical description of a network?

Back 8

Topology

Front 9

Which term defines the physical layout of the network?

Back 9

Physical Topology

Front 10

Which topology connects all computers to a main cable?

Back 10

Bus

Front 11

What term defines the actual pathway that signals use to travel across network?

Back 11

Logical topology

Front 12

Which of the following topologies are easy to build and requires a minimum amount of cables?

Back 12

Bus Topology

Front 13

How many computers can communicate simutaneously on a network using the bus topology?

Back 13

1

Front 14

What type of topologies causes the network to fail if a break occurs in the backbone?

Back 14

Bus Topology

Front 15

Which type of topology is connected through a central device?

Back 15

Star Topology

Front 16

If a cable fails to connect to a computer to the network, which topology will affect that single computer and not the rest of the network?

Back 16

Star Topology

Front 17

Which topology uses hubs and switches?

Back 17

Star Topology

Front 18

What is the main disadvantage of the star topology?

Back 18

If the central device is down the whole entire network is down.

Front 19

Which topology requires the most cabling?

a.) Bus Topology

b.)Star Topology

c.)Ring Topology

d.)Gate Topology

Back 19

b.)Star Topology

Front 20

Which topology forms a ring or a loop?

Back 20

Ring Topology

Front 21

Which topology has data flow in only one direction?

Back 21

Ring Topology

Front 22

Which topology uses a token to communicate to indicate which host can communicate?

Back 22

Ring Topology

Front 23

Which topology specifies which computer can communicate, thus preventing the network from ever crashing because too many computers are communicating at the same time?

Back 23

Ring Topology

Front 24

Which topology is used primarily in WAN enviroments?

Back 24

Partial Mesh Topology

Front 25

You have six sites. How many connections do you need for a full mesh topology?

Back 25

15

Front 26

Which topology is used to connect every host or site to every other host or site?

Back 26

Mesh Topology

Front 27

Which topology is the most redundant?

Back 27

Mesh Topology

Front 28

Which topology is the most expensive?

Back 28

Mesh Topology

Front 29

Which topology requires the most cabling?

Back 29

Mesh Topology

Front 30

Which topology is used primarily in WAN links that have only one computer connected to another computer or device?

Back 30

Point-to-point topology

Front 31

Which topology is used to connect several devices together?

Back 31

Point to multipoint technology

Front 32

Which topology combines a star topology with a ring topology?

Back 32

Hybrid topology

Front 33

Which type of logical topology uses a media access unit?

Back 33

Ring Topology

Front 34

Which logical topology does token ring use?

Back 34

Ring Topology

Front 35

Which physical topology does token ring use?

Back 35

Star Topology

Front 36

Which logical topology does today's ethernet use to connect PCs?

Back 36

Bus Topology

Front 37

Which physical topology does today's ethernet use to connect PCs?

Back 37

Star Topology

Front 38

What technology used in Windows Vista and Windows 7 is used to help prevent unauthorized changes to the network?

Back 38

UAC

Front 39

Which well known network was originally created by the military?

Back 39

Internet

Front 40

The ______ is an Internet Service that allows people to use special client software called a browser to view the content of different sites.

Back 40

World Wide Web

Front 41

The most recognized and popular WAN is the ______

Back 41

Internet

Front 42

What do you call a company or organization that provides access to the Internet?

Back 42

Internet Service Provider (ISP)

Front 43

Which type of topology includes multiple connections to various sites but not neccessarily every site connected to every other site?

Back 43

Partial Mesh Network

Front 44

Which applet is the Windows Control Unit?

Back 44

Network and Sharing Center

Front 45

What formula would you use to determine the number of connections used in a partial mesh network?

Back 45

n(n-1)/2

Front 46

What type of computer acts as a centralized computer that does all processing for its terminal clients?

Back 46

mainframe computer

Front 47

Which physical topology is the most common in today's local area networks?

Back 47

Star Topology

Front 48

Which logical topology is the most common in today's local area networks?

Back 48

Bus Topology

Front 49

Which standardization model describes the steps that data must go through to be transmitted across the network?

Back 49

OSI Model

Front 50

What is the process of taking data from a higher layer of the OSI model and carrying it down into the next layer?

Back 50

encapsulation

Front 51

In what format is data sent at the Physical layer of the OSI model?

Back 51

bits

Front 52

In what format is data sent at the Transport layer of the OSI model?

Back 52

segments

Front 53

In what format is data sent at the Data-Link layer of the OSI model?

Back 53

Frames

Front 54

In what format is data sent at the Network layer of the OSI model?

Back 54

Packets

Front 55

Which OSI layer is the lowest layer that sends data over a cable or wireless medium?

Back 55

Physical

Front 56

Which layer includes the cables, wireless cards, and hubs?

Back 56

Physical

Front 57

Which layer includes the Logical Link Control and Media Access Control Sublayers?

Back 57

Data-Link

Front 58

Which layer includes the MAC address?

Back 58

Data-Link

Front 59

What method is used by a specific frame type or protocol to delieniate to the computer the beginning and ending of any given frame

Back 59

frame synchronization

Front 60

Which of the following is not a form of frame sychronization?

a.)time-based frame sychronization

b.)character counting

c.)byte stuffing

d.)clock threading

Back 60

d.)clock threading

Front 61

At which OSI layer are logical addresses, such as IP addresses defined?

Back 61

Network

Front 62

Which OSI layer is responsible for routing between networks?

Back 62

Network

Front 63

Which type of network communications protocol does not ask for verification that a data packet has successfully reached its destination?

Back 63

Connectionless-protocol

Front 64

TCP is an example of a _______ protocol

Back 64

Connection-oriented protocol

Front 65

Which OSI layer ensures that the data gets delivered safely to its destination?

Back 65

Transport

Front 66

A/An_________ is a unique address inside the computer that is associated with a specific protocol, service, or application

Back 66

port address

Front 67

What port addresses range from, 0-1,023?

Back 67

well-known ports

Front 68

What port addresses range from, 1,024-49,151?

Back 68

Registered ports

Front 69

which address ports range from 49,152-65,535 and are available for any application to use to communicate with any other application?

Back 69

dynamic ports

Front 70

Which OSI layer is responsible for managing the dialog between networked devices?

Back 70

session

Front 71

Which communication method is a true two-way communication between devices?

Back 71

Full duplex

Front 72

Which communication method is a pure one-way communcation?

Back 72

simplex

Front 73

Which OSI layer is concerned with translation, compression, and encryption?

Back 73

Presentation

Front 74

Which OSI layer includes SSL?

Back 74

Presentation

Front 75

Which layer of the OSI model discusses network services?

Back 75

Application

Front 76

Which layer of the TCP/IP model corresponds to the OSI network layer?

Back 76

Internet

Front 77

At which OSI layer would a hub operate?

Back 77

Physical

Front 78

At which OSI layer would a switch operate?

Back 78

Data-link

Front 79

At which OSI layer do routers operate?

Back 79

Network

Front 80

At which OSI layer do HTTP and FTP operate?

Back 80

Application

Front 81

Which layer is the fourth layer of the OSI model?

Back 81

Transport

Front 82

Which OSI layer is responsible for reliable delivery of sent data?

Back 82

Transport

Front 83

At which OSI layer are port addresses used?

Back 83

Transport

Front 84

OSI was created by_______

Back 84

the ISO

Front 85

What TCP/IP model layer contains Ethernet and 802.11 wireless device protocols?

Back 85

Network Accesss

Front 86

What TCP/IP model layer defines HTTP and FTP?

Back 86

Application

Front 87

At which OSI layer do the CSMA/CD and CSMA/CA operate?

Back 87

Data-link

Front 88

At which OSI layer do POP3 and Telnet operate?

Back 88

Application

Front 89

What is the physical address known as on a host or device?

Back 89

MAC Address

Front 90

A______ is a predefined and widely accepted set of rules that describe exactly how a specific task is to work in a network enviroment

Back 90

protocol

Front 91

The________ protocol asks for verification that a packet has successfully reached its destination

Back 91

connection-oriented

Front 92

How many well-known ports are there?

Back 92

1,024

Front 93

What protocol defines the LLC and MAC sublayers?

Back 93

802.2

Front 94

What are dynamic address ports also known as?

Back 94

Private ports or ephemeral ports

Front 95

List the four layers of the TCP/IP model

Back 95

Application, Transport, Internet, and Network Access

Front 96

What is the opposite of encapsulation?

Back 96

decapsulation

Front 97

When data is encapsulated, what is added at the beginning of data before it is sent to the next layer?

Back 97

A header

Front 98

List at least one mneumonic used to describe the OSI model and match the corresponding OSI layers

Back 98

All People Seem to Need Data Procession

(Application, Presentation, Session, Transport, Network, Data-link, Physical)

Front 99

List at least one mneumonic used to describe the OSI model and match the corresponding OSI layers

Back 99

Please do Not Throw Sausage Pizza Away

(Physical, Data-link, Network, Transport, Session, Network, Data-link,Physical)

Front 100

10Base-T, 100Base-TX, and 1000Base-TX are examples of _______

Back 100

Unshielded twisted pair

Front 101

Twisted pair cables are twisted to reduce ______

Back 101

Cross talk

Front 102

What type of connector would you find on a UTP cable used on an Ethernet Network?

Back 102

RJ-45

Front 103

Which type of connector would you find a on UTP cable used on a telephone?

Back 103

RJ-11

Front 104

How many pairs of wire does a UTP cable have on an analog telephone cable?

Back 104

2

Front 105

What is the minimum catagory used for Ethernet networks that run up to 10 Mbps?

Back 105

Cat 3

Front 106

What is the minimum category used for Ethernet networks that run up to 100 Mbps worth of data up to a distance of 100 meters?

Back 106

Cat 5

Front 107

What is the minimum category used for Ethernet networks that is rated at 250MHz and is the preferred standard for a Gigabit Ethernet?

Back 107

Cat 6

Front 108

What is the minimum category used for Ethernet networks that is rated at 100MHz and can handle the interference that comes from being able to transmit on all four pairs of wires at the same time?

Back 108

Cat 6

Front 109

What cable is used to connect a host computer to a switch?

Back 109

straight-through cable

Front 110

What cable is used to connect a computer to another computer?

Back 110

crossover cable

Front 111

What type of cable do you traditionally use to connect a switch to another switch?

Back 111

crossover cable

Front 112

What type of cable would you use to connect your PC to a router's console port?

Back 112

rollover cable

Front 113

What type of cable or device would you use to redirect the data flow back on to itself?

Back 113

hardware loopback

Front 114

What type of cable was popular on IBM token ring networks?

Back 114

shielded twisted-pair cable

Front 115

Which type of shield contains a center conductor made of copper surrounded by a plastic jacket, which then has a braided shield over it?

Back 115

coaxial cable

Front 116

Which type of cable is designed to release no or little toxic gases when burned?

Back 116

plenum-rated cable

Front 117

Which of the following cable is used for cable television and modems?

Back 117

RG-6

Front 118

10base-2 is also known as ________

Back 118

Thinnet

Front 119

What is legacy serial connection usually found on older computers often used to connect to a modem?

Back 119

RS-232

Front 120

Which serial connection technology allows up t0 127 external devices on today's PCs?

Back 120

USB

Front 121

What is the maximum speed for USB 2.0?

Back 121

480 Mbps

Front 122

What disturbance affects an electrical circuit due to either electromagnetic conduction or electromagnetic radiation emitted from an external source?

Back 122

noise

Front 123

What is a limitation of electrical signals that eventually distorts itself over a distance?

Back 123

attenuation

Front 124

What is a form of EMI that results from two improperly shielded copper wires running too close together?

Back 124

crosstalk

Front 125

What type of cabling is immune to EMI?

Back 125

fiber optic

Front 126

What do you call the time it takes for a signal to travel a distance, causing a delay?

Back 126

latency

Front 127

Which type of fiber-optic cable is a very high-speed, long-distance media that consists of a single strand that carries the signals?

Back 127

single-mode fiber-optic cable

Front 128

Which type of fiber-optic cable uses light that is dispersed on numerous paths as it travels through the core and is reflected back?

Back 128

multimode fiber-optic cable

Front 129

Which of these fiber-optic connectors is widely used and uses a BNC-style attachment mechanism?

a.)SC

b.)ST

c.)MT-RJ

d.)LC

Back 129

b,)ST

Front 130

Which type of fiber-optic connector uses a latch to hold the connector in securely?

Back 130

SC

Front 131

Which type of fiber-optic connector resembles a RJ-45 connector?

Back 131

ST

Front 132

Which newer type of fiber-optic connector is the standard for fast storage area networks and Gigabit Ethernet adapters?

Back 132

LC

Front 133

What do you call the cable that connects the computer to a wall jack?

Back 133

Patch cable

Front 134

What legacy device can terminate up to 25-pair cables and typically supports up to 10Mbps?

Back 134

66 block

Front 135

What wiring point is generally used as a reference point for network and telephone lines?

Back 135

MDF

Front 136

What is connected to the main distribution frame that is located in an equipment or telecommunications room?

Back 136

IDF

Front 137

What rack or wall-mounted structure houses cable connections?

Back 137

patch panel

Front 138

Which wireless standard supports up to 54 Mbps and runs at 5 GHz?

Back 138

802.11a

Front 139

Which wireless standard is backwards compatible with 802.11b and supports 54 Mbps throughout?

Back 139

802.11g

Front 140

Which wireless standard allows the fastest connection speed?

Back 140

802.11n

Front 141

_____ means that one bit after another is sent out onto the wire or fiber and interpreted by a network card or other type of interference on the other end.

Back 141

Serial

Front 142

Space between floors is known as the ______.

Back 142

plenum

Front 143

When using UTP cables for the horizontal connect cables, the cables should not exceed _____ meters.

Back 143

100

Front 144

The ______ are backbone cable connects equipment rooms, telecommunication rooms, and other physical termination points.

Back 144

vertical connect cables

Front 145

The _______ is the last point of responsibility of the service provider

Back 145

demarc

Front 146

______ is the most promenient standard used for wireless LANs

Back 146

IEEE 802.11

Front 147

What does multimode fiber-optic cable use as a light source of the data sent down the cable?

Back 147

Light-emitting diodes (LEDs)

Front 148

What special network interference, owned by Public Switched Telephone Network, is often used between the service provider's network and the internal network?

Back 148

Smart Jack

Front 149

What 48-bit-long physical address is used to identify a network advice?

Back 149

MAC address

Front 150

An IPv4 address contains how many bits?

Back 150

32

Front 151

What do you call taking an IP address range and breaking into smaller pieces?

Back 151

subnetting

Front 152

What is used to determine the network portion of an IP address?

Back 152

subnet mask

Front 153

What logical truth table is used to isolate the network address from IP address using the subnet mask?

Back 153

AND

Front 154

Traditional IP networks were divided into Class A, Class B, and Class C networks. What do you call this type of addressing?

Back 154

classful

Front 155

What is the default subnet mask for the 198.25.4.129 address?

Back 155

255.255.255.0

Front 156

How many hosts does Class c support?

Back 156

254

Front 157

Your system is configured to receive DHCP addresses. It is assigned an address of 169.254.34.7. What type of address is this?

Back 157

Microsoft Automatic Private IP Addressing

Front 158

When your system is running Windows 7 is configured to receive a DHCP address, what happens when you can't reach the DHCP server?

Back 158

You are automatically assigned an address between 169.255.0.0 and 169.254.255.255

Front 159

Which of the following is not a private IP address range?

a.)10.0.0.0 to 10.255.255.255

b.)172.16.0.0 to 172.31.255.255

c.)192.168.0.0-192.168.255.255

d.)128.0.0.0 to 128.255.255.255

Back 159

d.)128.0.0.0 to 128.255.255.255

Front 160

What is CIDR notation for the 255.255.255.0?

Back 160

/24

Front 161

What is the binary equivalent of 180?

Back 161

10110100

Front 162

What is the binary equivalent of 255.255.0.0?

Back 162

111111111.1111111.00000000.00000000

Front 163

An IPv6 address contains how many bits?

Back 163

128

Front 164

What is the hexadecimal equivalent of 255?

Back 164

FF

Front 165

When you send a packet to a host in a remote network, the packet is forwarded to the _______.

Back 165

default gateway

Front 166

What process combines several small subnets to form a larger network?

Back 166

supernetting?

Front 167

What technology is used for multiple private addresses to access the Internet through a single public address?

Back 167

NAT

Front 168

Which of the following addresses can be routed over the internet?

a.)10.24.255.24

b.)172.6.3.23

c.)132.16.3.24

d.)192.168.3.7

Back 168

c.)132.16.3.24

Front 169

What network service automatically assigns IP addresses to hosts?

Back 169

DHCP

Front 170

Which of the following is a broadcast address?

a.)255.0.0.0

b.)255.255.0.0

c.)255.255.255.0

d.)255.255.255.255

Back 170

d.)255.255.255.255

Front 171

What type of addressing sends a packet to a single host?

Back 171

unicast

Front 172

What type of addressing sends packets to all computers within a network segment?

Back 172

broadcast

Front 173

What type of addressing sends a single packet to multiple computers?

Back 173

multicast

Front 174

What is the first half of a MAC address called?

Back 174

organizationally unique identifier

Front 175

What hexadecimal character represents the value of 10?

Back 175

A

Front 176

Approximately how many addresses does IPv4 support?

Back 176

4 billion

Front 177

What is the address range for Class D, multicasting?

Back 177

224.0.0.0 to 239.255.255.255

Front 178

What is the subnet mask for a CIDR /26 notation?

Back 178

255.255.255.192

Front 179

You have the four following addresses

192.168.4.0

192.168.4.1

192.168.4.2

192.168.4.3

If you supernet these addresses, what would be the network address of all four?

Back 179

192.168.4.0/26

Front 180

What do you call the numbering system that is based on 0s and 1s?

Back 180

binary

Front 181

You have four networks combined with three routers in series. If you are on the first network and want to send a packet to the fourth network, how many hops would it travel?

Back 181

3

Front 182

Which protocol on the internet is used to provide addressing?

Back 182

IP

Front 183

When you view an IPv4 address, the address is divided into _______.

Back 183

octets

Front 184

What would be the result for 1110 and 1100?

Back 184

1100

Front 185

How many Class C networks are specified in IPv4?

Back 185

2,097,152

Front 186

How many Class A networks are specified in IPv4?

Back 186

127

Front 187

You have a Class C network that needs to support 14 subnets. What would the subnet mask be?

Back 187

255.255.255.240

Front 188

What is the default subnet mask of a Class B network?

Back 188

255.255.0.0

Front 189

How many hosta does Class B support?

Back 189

65,536

Front 190

MAC addresses are considered physical addresses and IP addresses are considered________ addresses.

Back 190

logical

Front 191

______ is the oldest and most widely used IP protocol.

Back 191

IPv4

Front 192

_______ so far is the newest and least widely availble IP protocol

Back 192

IPv6

Front 193

What is 1011 equivalent in hexadecimal?

Back 193

B

Front 194

What do you call it when you use NAT to hide your private addresses from the internet?

Back 194

Network masquerading

Front 195

You see the following address

91-FC-5D-A3-B0

What type of address is this?

Back 195

MAC address

Front 196

You see the following address:

172.33.55.128

What type of address is this?

Back 196

IPv4

Front 197

What is the default subnet mask for the 160.32.63.67 address?

Back 197

255.255.0.0

Front 198

What is the loopback address for IPv4 used in Windows?

Back 198

127.0.0.1

Front 199

What do you call an IP address you assign manually?

Back 199

Static address

Front 200

Which type of NAT translates both IP address and port number?

Back 200

PAT