Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Network+ > Chapter 4: Ethernet Standards > Flashcards

Chapter 4: Ethernet Standards Flashcards

1
Q

Who won the market share between 100BASE-TX and 100BASE-T4 ?

A

100BASE-TX

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Two other names for 100BASE-TX ?

A

100BASE-T and Fast Ethernet

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Summarize 100BASE-T in speed, band, capacity, topology, cabling, and distance

A

100 Mbps
Baseband
100 meters between hub/switch to the node
1024 nodes max
Star-bus topology
Cat 5 or better UTP or STP with RJ-45 connectors

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Baseband

A

Only a single signal travels over the wires of the network at one time

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Broadband

A

Get multiple signals to travel over the wire at the same time

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What are some solutions to the cost of upgrading from 10BASE-T to 100BASE-T ?

A

Multispeed and auto-sensing NICs and switches/hubs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What did the multispeed, auto-sensing 100BASE-T NIC do when first connecting to a network ?

A

Negotiated with the hub or switch to determine the other device’s highest speed

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What do all modern NICs have ?

A

Multispeed and auto-sensing

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What were the two differences between 10BASE-FL and 100BASE-FX ?

A

The speed jumps from 10 Mbps to 100 Mbps, and it can travel 2 kilometers between hub/switches and nodes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What was a short distance, LED alternative to the 100 BASE-FX ?

A

100BASE-SX

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Why was the 100BASE-SX a viable upgrade from older tech ?

A

Completely backward compatible with 10BASE-FL.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Full-duplex

A

NIC can send and receive at the same time

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What does full-duplex do to the bandwidth ?

A

Doubles network bandwith

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What can function just fine on Fast Ethernet nowadays ?

A

Network-connected devices such as printers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What is the most common type of Ethernet found on new NICs today ?

A

Gigabit Ethernet

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What is the most widely implemented solution for Gigabit Ethernet

A

1000BASE-T

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What other version of Gigabit Ethernet is divided into a series of standards ?

A

1000BASE-X

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

What are the names of the divided 1000BASE-X standards ?

A

1000BASE-SX and 1000BASE-LX

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Wavelength

A

The distance the signal has to travel before it completes its particular shape and starts to repeat

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

What standard did many networks upgrade to Gigabit Ethernet use ?

A

1000BASE-SX

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

What is the cabling, distance, wavelength size, and connector of 1000BASE-SX ?

A

MMF (OM1 or OM2), 220 to 500 meters, 850 nm LED, LC connector

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Which Gigabit Ethernet standard use repeaters to increase the distance of the signal ?

A

1000BASE-LX

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

What distance did 1000BASE-LX allow without and with repeaters ?

A

5 kilometers without repeaters and up to 70 kilometers with

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Which Gigabit Ethernet standard could be the backbone of the future ?

A

1000BASE-LX

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Small form factor (SFF)
Fiber-optic connectors designed to be much smaller than the first connectors
26
Two popular SFF connectors ?
MT-RJ and LC
27
What are the cabling, cable details, connectors, and distance of 1000BASE-T ?
Cat 5e/6 UTP, Four pair/full-duplex, RJ-45, 100 meters
28
What are the cabling, wavelength, connectors, and distance of 1000BASE-LX ?
SMF (OS1 or OS2), 1310 nm, commonly LC or SC, 5 kilometers
29
Physical contact (PC) connector
Two pieces of fiber touch when inserted
30
How do PC connectors reduce signal loss ?
Highly polished and slightly spherical at the connection point
31
Which connectors replaced PC ?
UPC and APC
32
Ultra-physical contact (UPC)
Polished extensively for a superior finish
33
Angled physical contact (APC) connectors
Adds an 8 degree angle to the curved end to further lower signal loss
34
What are some options of a media converter ?
SMF to UTP/STP MMF to UTP/STP Fiber to coaxial SMF to MMF
35
Transceiver
Interchangeable network modules that make it easy to change the media a network device uses
36
Gigabit interface converter (GBIC)
Modular port that supports a standardized, wide variety of Gigabit interface modules
37
What smaller modular receiver is used today for GBIC ?
Small form-factor pluggable (SFP)
38
Where do developers continue refining and increasing speeds ?
LAN environment and backbone networks
39
What are the several factors that define a 10Gbe standard ?
Type of fiber used, wavelength size, and the physical signaling type
40
10GBASE-SR fiber type, wavelength, physical layer signaling, and max distance ?
MMF, 850 nm, LAN, 33-400 meters
41
Which OM offers 33 meters in a 10GBASE-SR ethernet LAN ?
OM1
42
Which OM is used for 10GBASE-SW to reach 400 meters ?
OM4
43
What is the only difference between 10GBASE-SR and 10GBASE-SW ?
10GBASE-SR is used for ethernet frames, and 10GBASE-SW is FOR SONET devices
44
Which is the most popular and least expensive 10Gbe type ?
10GBASE-LR
45
10GBASE-LR fiber type, wavelength, physical layer signaling, and max distance ?
SMF, 1310 nm, LAN, 10 kilometers
46
10GBASE-ER fiber type, wavelength, physical layer signaling, and max distance?
SMF, 1550 nm, LAN, and 40 kilometers
47
What do 10GBASE-SW, 10GBASE-LW, and 10GBASE-EW share ?
All are used to connect to SONET devices/equipment
48
T or F Do the 10Gbe fiber standards define a type of connector ?
False
49
What are three other 10Gbe fiber standards are not covered by the COMPTIA?
10GBASE-L4, 10GBASE-LRM, 10GBASE-ZR
50
10GBASE-T cabling, cable details, connectors, and length ?
Cat 6/6a UTP, Four pair/full-duplex, RJ-45, 55/100 meters
51
Multisource agreements (MSA)
Agreements among multiple manufacturers to make interoperable devices and standards
52
Enhanced small form-factor pluggable (SFP+)
Transceiver used in 10Gbe
53
Wave division multiplexing (WDM)
Differentiate wave signals on a single fiber
54
What did WDM create ?
Single strand fiber transmission
55
Bidirectional transceivers (BiDi)
Able to send and receive in different wavelengths if a corresponding BiDi transceiver is installed on the other end
56
What are some advantages BiDi tranceivers have over dual-fiber predecessor ?
It costs less to deploy in a new network Use existing fiber runs to double the capacity of a network
57
Quad small form-factor pluggable (QSFP)
Used in 40 Gbe BiDi transceivers
58
What do BiDi transceivers typically use ?
SFP optics
59
Should a computer other than a server be connected to a backbone ?
No
60
Which ethernet network works best to give the user the fastest network and keeping costs reasonable ?
Multispeed Ethernet networks
61
When are 40Gbe and 100Gbe needed ?
When networks require lots of bandwidth, such as connecting servers, switches, and routers
62
What cabling standards do 40GBASE-T employ ?
MMF, SMF, and UTP
63
What distance can the SMF 40Gbe standards run ?
10 kilometers
64
What is the connector of 40GBASE-T
Enhanced quad small form-factor pluggable (QSFP+)
65
What distance does the 40GBASE-T employ Cat 8 UTP run ?
30 meters
66
What is a typical connector for 100Gbe standards ?
QSFP28 aka QSFP100 or 100G QSFP
67
What standards do 100GBASE-T employ ?
MMF and SMF

Network+ (8 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions