Terms and definitions Flashcards

1
Q

Electronic message sent from one device to another

A

Email

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2
Q

Protocol used on the internet for exchanging files

A

FTP server

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3
Q

Type of IP visible to the public

A

Routable IP

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4
Q

Unique number for each computer on a given network

A

IP address

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5
Q

Descriptive name for an address or group of addresses on the internet

A

Domain name

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6
Q

Location for passing data in and out of your computer

A

Port

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7
Q

Combines the functions of a cable modem and a router in a single device

A

IP gateway

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8
Q

Internet service that locates and translates domain names into IP addresses

A

DNS (Domain Name System)

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9
Q

Temporary IP address

A

Dynamic

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10
Q

LAN

A

local area network

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11
Q

Geographically-close set of computers connected on a single network that use the same communication device

A

LAN

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12
Q

WAN

A

wide area network

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13
Q

Group of connected computers that are geographically far apart

A

WAN

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14
Q

Has two sides that represent a network

A

IP gateway

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15
Q

Computer or workstation that obtains information and applications from a server

A

Client

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16
Q

Computer or program that manages access to a centralized resource or service in a network

A

Server

17
Q

Permits and blocks web traffic

A

Firewall

18
Q

Establishes a secure connection to an organization’s private network using a public network

A

VPN (virtual private network)

19
Q

Logical address that identifies a device globablly

A

IP (Internet Protocol) address

20
Q

Identifies a device to other devices on the same local network

A

MAC (media access control) address, or physical address

21
Q

12-digit hexadecimal number embedded into the manufacturer’s network controller hardware

A

MAC address

22
Q

consisting of 48 bits, this is separated into a manufacturer identifier and a device identifier

A

MAC address

23
Q

DHCP

A

Dynamic Host Configuration Protocol

24
Q

ISP

A

Internet Service Provider

25
Q

NAT

A

Network address translation

26
Q

IANA

A

Internet Assigned Numbers Authority

27
Q

Responsible for standardizing IP addresses, port numbers, and manages domain names worldwide

A

IANA (Internet Assigned Numbers Authority)

28
Q

TCP

A

Transmission control protocol

29
Q

UDP

A

User datagram protocol

30
Q

Combination of an IP address and a port number

A

Socket address

31
Q

Connection-oriented protocol considered reliable for data transfer

A

TCP

32
Q

Connectionless protocol that is fast, but lost packets are not retransmitted

A

UDP

33
Q

TCP and UDP are examples of what?

A

Ports

34
Q

Three categories of ports

A

Well-known - reserved for major applications
Registered - primarily used for vendor applications
Ephemeral - private and used for various applications

35
Q

Process in which several hosts or computers share a single or a set of public IP addresses to gain access to the internet

A

Network Address Translation (NAT)

36
Q

Version of NAT that allows multiple private IP addresses to share a common connection to the internet over a single public IP address (NAT overload)

A

Port address translation (PAT)

37
Q
A