Ccna

Front 1

TCP/IP

Back 1

Networking protocol, most popular

Front 2

TCP/IP layers, top to bottom

Back 2

Application, transport, network, data-link, physical

Front 3

Physical layer

Back 3

Responsible for the actual transmission of data over cabling

Front 4

Data-link layer

Back 4

Responsible for transmitting data within a LAN, some error checking

Front 5

Network layer

Back 5

Responsible for addressing and routing in and between networks

Front 6

Transport layer

Back 6

Responsible for handling data transmission between endpoint hosts, error checking and correction

Front 7

Application layer

Back 7

Responsible for handling user programs and linking OS to network

Front 8

Physical layer standards

Back 8

Cat5E cabling, RJ-45 jacks, Fiber

Front 9

Data-link layer protocols

Back 9

Ethernet, HDLC, PPP

Front 10

Network layer protocol

Back 10

IP

Front 11

Transport layer protocols

Back 11

TCP/UDP

Front 12

Application layer protocols

Back 12

HTTP, POP, SMTP, VoIP

Front 13

Data-link layer encapsulation

Back 13

Ethernet Frame, header and trailer

Front 14

Network layer encapsulation

Back 14

IP Packet, header

Front 15

Transport layer encapsulation

Back 15

TCP Segment, header

Front 16

Same layer interaction

Back 16

Interaction between two different devices on the same layer using the same protocol

Front 17

Adjacent layer interaction

Back 17

Interaction of two different layers on the same device using two protocols

Front 18

Ethernet

Back 18

LAN standards used in physical and data-link layers

Front 19

802.3

Back 19

IEEE standard for Ethernet cabling

Front 20

10BASE-T

Back 20

10Mb, Ethernet, 802.3, copper, 100m

Front 21

100BASE-T

Back 21

100Mb, Fast Ethernet, 802.3u, copper, 100m

Front 22

1000BASE-LX

Back 22

1000Mb, Gigabit Ethernet, 802.3z, fiber, 5000m

Front 23

1000BASE-T

Back 23

1000Mb, Gigabit Ethernet, 802.3ab, copper, 100m

Front 24

10GBASE-T

Back 24

10Gb, 10 Gig Ethernet, 802.3an, copper, 100m

Front 25

2 wire pair Ethernet standards

Back 25

10BASE-T, 100BASE-T

Front 26

4 wire pair standard

Back 26

1000BASE-T

Front 27

Routers, PCs, WAPs transmit from pins...

Back 27

1, 2

Front 28

Switches and hubs transmit from pins...

Back 28

3, 6

Front 29

Straight-thru cable

Back 29

Connects devices with opposite pin assignments

Front 30

Cross-over cable

Back 30

Connects devices with similar pin assignments

Front 31

Preamble (size, use) (Ethernet structure)

Back 31

7 bytes, synchronization

Front 32

Start Frame Delimiter (size, use)

(Ethernet structure)

Back 32

Signals start of MAC

Front 33

Destination MAC (size, use) (Ethernet structure)

Back 33

6 bytes, Target of Frame

Front 34

Source MAC address (size, use)

(Ethernet structure)

Back 34

6 bytes, sender of frame

Front 35

Type (size, use) (Ethernet structure)

Back 35

2 bytes, defines IP protocol held inside frame

Front 36

Data and pad (size, use) (Ethernet structure)

Back 36

46-1500 bytes, data from higher layers, pad added to reach minimum

Front 37

Frame Check Sequence (size, use)

Back 37

4 bytes, error checking

Front 38

MAC (and other names)

Back 38

Media Access Control, unicast, ethernet, burned-in, LAN, hardware, physical

Front 39

OUI

Back 39

Organizationally Unique Identifier

Front 40

Broadcast address

Back 40

Used to address all devices on LAN, FF:FF:FF:FF:FF:FF

Front 41

Multicast address

Back 41

Used to address all devices in a subset on a LAN

Front 42

FCS

Back 42

Frame Check Sequence, in Ethernet trailer, algorithm that checks data for errors. Discards bad frames

Front 43

EtherType

Back 43

Defines network layer protocol used by host for that frame

Front 44

Full Duplex

Back 44

Device can send and receive simultaneously

Front 45

Half Duplex

Back 45

Device cannot send and receive simultaneously

Front 46

Collision

Back 46

When two or more devices attempt to send a frame in the same domain simultaneously. Only happens with hubs