Speeds & Standards

Question 1

What is:

IEEE 802.3

Answer 1

Ethernet

Question 2

What is:

IEEE 802.11

Answer 2

Wi-Fi

Question 3

What is:

IEEE 802.3af

Answer 3

Power over Ethernet (PoE)

Question 4

What is:

IEEE 802.3at

Answer 4

PoE+

Question 5

What is:

IEEE 802.1D

Answer 5

Spanning Tree Protocol

Question 6

What is:

IEEE 801.1Q

Answer 6

The standard for Ethernet Trunking. Also called a “dot 1Q trunk.”

It adds a VLAN header into the Ethernet Frame, so multiple VLANs can be identified between switches.

Question 7

What is the max speed and distance this cable type?

Cat3

Answer 7

10 Mbps

100 meters

Question 8

What is the max speed and distance this cable type?

Cat5

Answer 8

100 Mbps

100 meters

Question 9

What is the max speed and distance this cable type?

Cat5e

Answer 9

1000 Mbps (1 Gbps)

37-55 meters

Question 10

What is the max speed and distance this cable type?

Cat6

Answer 10

1000 Mbps (1 Gbps)

100 meters

Question 11

What is the max speed and distance this cable type?

Cat6a

Answer 11

10,000 Mbps (10 Gbps)

100 meters

Question 12

What is the max speed and distance this cable type?

Cat7

Answer 12

10,000 Mbps (10 Gbps)

100 meters

Question 13

What is this standard?

10BASE-T

Answer 13

10 Mbps Ethernet

Question 14

What is this standard?

100BASE-T

Answer 14

100 Mbps Ethernet

Question 15

What is this standard?

1000BASE-T

Answer 15

1 Gbps Ethernet

Question 16

What is this standard?

10GBASE-T

Answer 16

10 Gbps Ethernet

Question 17

What is this standard?

1000BASE-SX

Answer 17

1 Gbps Ethernet

Uses NIR (Near-Infrared light)

Uses MMF

Max distance: 220-500 m, depending on cable type

Question 18

What is this standard?

1000BASE-LX

Answer 18

1 Gbps Ethernet

Uses Laser

Uses MMF or SMF

Max distance:
550 m using MMF
5 km using SMF

Question 19

What is this standard?

1000BASE-ZX

Answer 19

1 Gbps Ethernet

Uses SMF

Max distance: 70 km

Question 20

What is:

IEEE 802.3ad

Answer 20

Link Aggregation

Allows for combination of multiple physical connections into a single logical connection

Question 21

What is IEEE standard for:

Ethernet

Answer 21

IEEE 802.3

Question 22

What is IEEE standard for:

Wi-Fi

Answer 22

IEEE 802.11

Question 23

What is IEEE standard for:

PoE

Answer 23

IEEE 802.3af

Question 24

What is IEEE standard for:

STP

Answer 24

IEEE 802.1D

Question 25

What is IEEE standard for:

Ethernet Trunking

Answer 25

IEEE 801.1Q

Question 26

What is IEEE standard for:

Link Aggregation

Answer 26

IEEE 802.3ad

Question 27

What is IEEE standard for:

PoE+

Answer 27

IEEE 802.3at

Question 28

What is:

IEEE 802.1x

Answer 28

Port-Based Network Access Control (User Authentication)

Question 29

What is IEEE standard for:

Port-Based Network Access Control (User Authentication)

Answer 29

IEEE 802.1x

Question 30

What is T1, and what is the max it can transmit?

Answer 30

A T1 can transmit 24 telephone calls at a time because it uses a digital carrier signal (DS-1).

DS-1 is a communications protocol for multiplexing the bit streams of up to 24 telephone calls simultaneously.

The T1’s maximum data transmission rate is 1.544 mbps.

Question 31

What is:

RS-232

Answer 31

RS-232 is a standard for serial communication transmission of data.

Question 32

What is the max data transfer rate of this connection?

T1

Answer 32

1.544 Mbps

Question 33

What is the max data transfer rate of this connection?

E1

Answer 33

2.048 Mbps

Question 34

What is the max data transfer rate of this connection?

T3

Answer 34

44.736 Mbps

Question 35

What is the max data transfer rate of this connection?

E3

Answer 35

34.368 Mbps