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Network Foundations > Network Devices > Flashcards

Network Devices Flashcards

1
Q

What may be composed of a number of different devices in order to function?

A

Physical Network

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2
Q

What layer can you find a switch?

A

Layer 2 (Data Link)

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3
Q

What layer can you find a router?

A

Layer 3 (Network)

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4
Q

What layers can you find firewalls?

A

Data Link (Layer 2), Network (Layer 3), Transport (Layer 4), Session (Layer 5) and Application (Layer 7)

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5
Q

What network device is necessary for sending and receiving data?

A

Modem

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6
Q

What network device allows computers to transport digital information over analog lines, such as phone or cable lines?

A

Modem

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7
Q

What network device is the point of connection between two or more networks that forwards data packets between the networks?

A

Router

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8
Q

What network device do you need to connect networks (like the internet) in your home?

A

Router

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9
Q

What network device is used to connect devices in a specific network and allows them to communicate efficiently within the network?

A

Switch

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10
Q

What network device is a more complex version of a hub that have the capability to add secure messages and sending traffic to the receiver without the other devices being aware of the communication?

A

Switch

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11
Q

What network device allows for more simultaneous conversations between devices?

A

Switch

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12
Q

What network devices is similar to a router in that it connects two or more elements?

A

Bridge

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13
Q

What network device is different from a router in that it simply forwards data packets to the next network without analysis?

A

Bridge

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14
Q

What network device is not widely used in modern networks because of the use of routers and switches as the forwarding devices?

A

Bridge

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15
Q

What network device is used to strengthen, replicate, and regenerate signals that are weakened during transmission?

A

Repeater

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16
Q

What is a form of the network device known as a repeater that takes a distorted WI-FI signal and transmits it to a formerly dead zone?

A

Range Extender

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17
Q

What network device connects the router to the network, takes the data packets from the router, and sends them to all the devices connected on the network?

A

Hub

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18
Q

What network device connects to your computer and receives data packets to be transmitted to multiple devices connected to your computer?

A

USB Hub

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19
Q

What layer of the OSI model would you find the modem, hub, and repeater?

A

Layer 1 (Physical)

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20
Q

What layer of the OSI model would you find the modem, switch, or bridge?

A

Layer 2 (Data Link)

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21
Q

What layer of the OSI model would you find the switch and/or router?

A

Layer 3 (Network)

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22
Q

What does the UTP stand for in UTP cables?

A

Unshielded Twisted Pair

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23
Q

What cables are created when pairs of wires are twisted around each other to protect and cancel out interference from each other and outside sources?

A

UTP cables

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24
Q

Who invented UTP cables in 1881?

A

Alexander Graham Bell

25
Q

How many different standard types of UTP cables are there?

A

Six

26
Q

Who defines the type of UTP cable?

A

TIA/EIA 568

27
Q

How can you tell the type of UTP cable?

A

writing on the cable itself

28
Q

What type of UTP cable supports up to 10 Mbps for up to 100 meters and is commonly used in phone lines today?

A

Cat 3

29
Q

What type of UTP cables support up to 16 Mbps for up to 100 meters and is not commonly used today>

A

Cat 4

30
Q

What type of UTP cable used Ethernet LANs containing two twisted pairs allowing up to 100 Mbps up to 100 meters between the device and the hub, switch, or router.

A

Cat 5

31
Q

What type of UTP cable replaced Cat 5 and doubles the number of twisted pairs up to 4 to allow up to 1 Gbps up to 100 meters?

A

Cat 5e

32
Q

What type of UTP cable is also used in Ethernet LANs and datacenters that are made up of 4 tightly woven twisted pairs and supports up to 1 Gbps for up to 100 meters or 10 Gbps for up to 55 meters?

A

Cat 6

33
Q

What type of UTP cable is an improvement over the Cat 6 with the ability to run 10 Gbps up to 100 meters and uses a higher quality cable that is more resistant to interference?

A

Cat 6a

34
Q

What type of UTP cable is most commonly used in wired networks today?

A

Cat 6a

35
Q

Name two of the different connectors that can be connected to the end of the UTP cables?

A

RJ11 and RJ45

36
Q

What UTP connector supports two pairs of wire (4) and is commonly used in phones today?

A

RJ11

37
Q

What UTP connector usually works with Ethernet cables and supports four pair of wires (8)?

A

RJ45

38
Q

What type of cable uses glass or plastic threads within the cable to transfer the data using light instead of electricity?

A

Fiber-Optic Cables

39
Q

How does Fiber-Optic cable transfer data?

A

Digitally

40
Q

How does data transfer over metal cables?

A

By converting between binary and analog

41
Q

Which type of cable is the most expensive?

A

FIber-Optic Cable

42
Q

What are the two types of fiber-optic cables?

A

Single Mode and Multimode

43
Q

What type of fiber optic cable is made up of a single glass of plastic fiber and has the ability to carry higher bandwidth for up to 50 times the distance of the other type of fiber optic cable?

A

Single mode

44
Q

What type of fiber optic cable are the widest in diameter, are highly effective for medium distances (500 meters or less), and are generally used within a LAN?

A

Multimode

45
Q

What are two of the type of fiber optic connectors?

A

ST and LC

46
Q

What fiber optic connector was most commonly used until the mid 2000s?

A

ST

47
Q

What does the ST mean in a fiber optic connector?

A

Straight Tip

48
Q

What type of fiber optic connector is a smaller version of its predecessor and supports more parts to be used in the same space?

A

LC

49
Q

What does the LC stand for in regards to the LC connector in fiber optic cables?

A

Lucent Connector

50
Q

What type of cable was patented by Oliver Heaviside in 1880?

A

Coaxial Cable

51
Q

What type of cable is mostly used by cable companies today and not in networking?

A

Coaxial

52
Q

What type of cable is used to connect two computing devices together?

A

Crossover

53
Q

What type of cable uses Network Interface Controllers (NIC) or switches?

A

Crossover

54
Q

What type of cabling has a transmit connector that is connected to a receive connector on a second device?

A

Crossover

55
Q

What is used to connect a device to a wall outlet?

A

Patch

56
Q

In a what is a wall outlet wired to another panel in the network closet that is wired into a switch?

A

Patch

57
Q

What does the ToR stand for in a ToR switch?

A

Top of Rack

58
Q
A

Network Foundations (9 decks)

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