Ccna

Front 1

ISP

Back 1

Internet service provider

Front 2

HTTP

Back 2

Hyper text transfer protocol

Front 3

DNS

Back 3

Domain name system

Front 4

TCP/IP

Back 4

Transmission control protocol/Internet protocol

Has four layers which include Network access, Internet, Transport, and Application.

Front 5

Gateway

Back 5

The point on a network that connects all of the devices together at a central point

Front 6

VPN

Back 6

Virtual private network

Front 7

VLAN

Back 7

Virtual local area network

Front 8

Physical (layer 1)

Back 8

Defines how to move bits from one device to another. (Ethernet)

Front 9

Data link (layer 2)

Back 9

Layer provides reliable transit of data across a physical link. (PPP, HDLC)

Front 10

Network (layer 3)

Back 10

Layer provides connectivity and path selection between two end systems. (IP, ICMP)

Front 11

Transport (layer 4)

Back 11

Layer is responsible for reliable network communication between end nodes (TCP, UDP)

Front 12

Session (layer 5)

Back 12

Defines how to establish and terminate a session between the two systems. (SSL, NetBIOS)

Front 13

Presentation (layer 6)

Back 13

Layer ensures that information sent by the application layer of one system will be readable by the application layer of another (MIME)

Front 14

Application (layer 7)

Back 14

Enables network applications to communicate with other network applications. (HTTP)

Front 15

Ethernet

Back 15

Connecting a number of computer systems to form a local area network

Front 16

PPP

Back 16

Point to point protocol

Provides router to router and host to network connections.

Front 17

HDLC

Back 17

High level data link control

Front 18

ICMP

Back 18

Internet control message protocol

Reports errors and provides other information.

Front 19

UDP

Back 19

User datagram protocol

Front 20

NetBIOS

Back 20

Network basic input/output system

Front 21

LAN

Back 21

Local area network

Front 22

Switch

Back 22

Filters, forwards, and floods frames based on the destination address of each frame

Front 23

Hub

Back 23

Serves as a central point to which all of the hosts in a network connect to. OSI Layer 1, sometimes called multiport repeater.

Front 24

OSI

Back 24

Open systems interconnection

Has 7 layers which are Physical (please), Data link (do), Network (not), Transport (throw), Session (sausage), Presentation (pizza), Application (away)

Front 25

MAC

Back 25

Media access control

Front 26

Switch

Back 26

Is used to connect multiple hosts together.

OSI layer 2, can inspect received traffic and make forwarding decisions

Front 27

Router

Back 27

Device that routes packets from one network to another.

OSI layer 3, divide broadcast domains and have traffic filtering capabilities.

Front 28

NIC

Back 28

Network interface card

Front 29

UTP

Back 29

Unshielded twisted pair wiring

Front 30

WAN

Back 30

Wide area network

Front 31

Coaxial cabling

Back 31

Maximum transmission speed of 10 Mbps

Front 32

Twisted pair cabling

Back 32

Has four pair of wires, they are twisted around each other to reduce crosstalk and outside interference. Common in LANs

Front 33

8P8C connector

Back 33

goes on the twisted pair cable

Front 34

MAN

Back 34

Metropolitan area network