N+ Certification Chapter 1

Front 1

Active Directory (AD)

Back 1

The centralized directory database that contains user account information and security for the entire group of computers

Hint 1

Client server network model

Front 2

Active Directory Domain Services (AD DS)

Back 2

The process that manages the ability to log onto any computer on the network and get access to any resources the active directory allows is called

Hint 2

Client server model

Front 3

Application Programming Interface (API) Call

Back 3

The method an application uses when it makes a request of the OS

Hint 3

Session Layer

Front 4

Application Layer

Back 4

Describes the interface between two applications, each on different computers

Hint 4

Name of Layer 7

Front 5

Address Resolution Protocol (ARP)

Back 5

Obtains MAC (physical) address of a host,or node, then creatss a local database that maps the IP(logical) address to the hosts MAC (physical) address

Hint 5

Belongs to the data link protocol layer

Front 6

Backbone

Back 6

a central conduit that connects the segments (pieces) of a network and is sometimes referred to as "a network of networks"

Hint 6

LANS and Hardware

Front 7

Bandwidth

Back 7

amount of data traffic or transmission over the network

Hint 7

communications services

Front 8

Best-effort Protocol

Back 8

UDP-User Datagram Protocol

Does not guarantee delivery by first connecting and checking whether data is recieved.

Hint 8

Layer 4: Transport Layer

Connectionless protocol, for streaming video or audio over the web

Front 9

Bus Topology

Back 9

A daisy-chained or single line network

Hint 9

communications services

Front 10

Call Tracking System

Back 10

Documenting problems and their resolutions

Hint 10

Program at a help desk

Front 11

CAN (Campus Area Network)

Back 11

A group of connected lans in the same geographical area, like offices or buildings

Hint 11

MAN-metropolitan area network

Front 12

Catastrophic failure

Back 12

Destroys equipment beyond use

Hint 12

There is this kind of failure and and upset failure

Front 13

Client-Server Applications

Back 13

involves 2 computers, a client and a server

Hint 13

The internet, or email is this

Front 14

Client-Server network model

Back 14

Resources are managed by the NOS via a centralized directory database

Hint 14

client-server architecture or client-server topology

Front 15

Connectionless protocol

Back 15

also known as UDP, or best effort protocol

Hint 15

Videos and audio use this so it doesn't sound all messed up

Front 16

connection-oriented protocol

Back 16

Makes a connection with the end host, checks whether the data is received, and re-sends it if it is not.

Hint 16

TCP (transmission control Protocol)

Front 17

convergence

Back 17

Using the same network to deliver multiple types of communications services such as audio video and voice

Hint 17

Communications services

Front 18

Data Link Layer

Back 18

Interfacing with the physical hardware only on the local network, these layers are programmed into the firmware of a NIC and other hardware

Hint 18

Layer two, also known as the Link Layer

Front 19

Data Link Layer Address

Back 19

The frame header contains the hardware addresses of the source and destination NICs

Hint 19

Also called MAC Address, physical address and hardware address

Front 20

Datagram

Back 20

What a message is called when using UDP.

Hint 20

a Segment or _____ in UDP

Front 21

decapsulation

Back 21

Removing a header and trailer from a layer below

Front 22

delay-sensitive

Back 22

you don't want to hear breaks in your conversation or see a buffering message when watching a movie

Hint 22

Voice and Video transmissions are

Front 23

demarc

Back 23

the device that marks where a telecommunications service provider's network ends and the organizations begin

Hint 23

a trouble shooting skill

Front 24

demarcation point

Back 24

the device that marks where a telecommunications service provider's network ends and the organizations begin

Hint 24

a trouble shooting skill

Front 25

domain

Back 25

a logical group of network access controls

Hint 25

Windows _______

Front 26

electrostatic discharge (ESD)

Back 26

An electrical charge at rest

Hint 26

Static electricity

Front 27

emergency alert system

Back 27

a system that typically generates a loud noise and flashing lights in response to a fire

Front 28

encapsulation

Back 28

the process of adding a header to the data inherited from the layer above

Front 29

fail close

Back 29

a system default that denies access during a system or network failure

Front 30

fail open

Back 30

a system default that allows access during a network failure

Front 31

file server

Back 31

a computer that provides file services is called a

Hint 31

file and print servicess

Front 32

file services

Back 32

a server's ability to share data files and disk storage space

Front 33

fire suppression system

Back 33

could be an alarm system, portable fire extinguishers, emergency power-off or suppression chemical

Front 34

fragmentation

Back 34

if a network layer protocol is aware that a packet is larger than the maximum size for its network, it will divide it into smaller packets using a process called

Hint 34

Layer 3: Network Layer

Front 35

frame

Back 35

the entire link layer message is called a

Front 36

FTP (File Transfer Protocol)

Back 36

a client-server application that transfers files between two computers

Hint 36

does not provide encryption

Front 37

Global Account

Back 37

each user on the network has his own domain-level account called a

Hint 37

client server network model

Front 38

Grounding

Back 38

means that a device is connected directly to the earth so that in the event of a short the electricy flows to the earth rather than cause an electrical fire

Hint 38

what you do before you work on the internals of a computer

Front 39

Hardware Address

Back 39

The frame header contains this

Hint 39

MAC Address

Front 40

Header

Back 40

an area at the beginning of a payload where protocols add their own control information

Front 41

HVAC System

Back 41

heating and air conditioning

Front 42

Host

Back 42

any computer or device on a network that provides a resource such as an application or data

Front 43

HTTP (Hypertext Transfer Protocol System)

Back 43

Primary protocol servers and browsers (clients)

Front 44

HTTPS (HTTP Secure) Hybrid topology

Back 44

When HTTP is layerd on top of an encryption protocol such as SSL (secure Sockets Layer) or TLS (transport layer security)

Hint 44

client-server application

Front 45

ICMP (Internet Control Message Protocol

Back 45

IP relies on several routing protocols to find the best route for a packet when traversing several networks on its way to its destination

Front 46

IMAP4 (Internet Message Access Protocol Version 4)

Back 46

the client application manages the email stored on the server

Front 47

IP (Internet Protocol)

Back 47

Principle protocol used by the network layer

Hint 47

Layer 3: Network Layer

Front 48

IP Address

Back 48

an address assigned to each node on a network, which the network layer uses to uniquely identify them on the network

Front 49

Knowledge Base

Back 49

a collection of accumulated insights and solutions to the problems encountered on a

Front 50

Layer 2 Switch

Back 50

Theast intelligent (nonprogrammable) switches

Hint 50

Layer 2: Data Link Layer

Also known as Link Layer Switches

Front 51

Link Layer

Back 51

Also known as the data link layer, protocols are programmed into the firmware of a computer's NIC

Hint 51

Layer 2 of the OSI model

Front 52

Link Layer Switch

Back 52

the least programmable switches

Hint 52

also known as layer 2 switches

Front 53

Local Account

Back 53

an account that only works on one computer

Front 54

Local area Network (Lan)

Back 54

a network of computers and other devices that can directly address all other nodes.

Front 55

Logical Topology

Back 55

having to do with software and describes how to acess to the network is controlled, including how users and programs initially gain access to the network and how specific resources such as applications and databases are shared on the network

Front 56

Loss-Tolerant

Back 56

Video or audio that tolerates skipping or loss of video frame

Front 57

MAC (media Access Control Address)

Back 57

The Physical Address

Front 58

MAN (Metropolitan Area Network)

Back 58

A Wide area network that can stretch across an entire city scape

Front 59

Material Safety Data Sheet (MSDS)

Back 59

explaines how to properly handle substances such as chmical solvents and how to dispose of them

Front 60

Multicast Distribution

Back 60

A client-server model with one server and many clients

Hint 60

Youtube uses this communications service

Front 61

Network

Back 61

a group of computers and other devices such as printers that are connected by some type of transmission media

Front 62

Network Adapter

Back 62

installed in an expansion slot on the motherboard

Front 63

Netwrok interface Card (NIC)

Back 63

also known as a network adapter, installed in the expansion slot on the motherboard

Front 64

Network Layer

Back 64

IP, ICMP and ARP, responsible for moving messages from one node to another until they reach the destination host.

Front 65

Network Operating System (NOS)

Back 65

controls access to an entire network

Hint 65

Windows Server 2012R

Front 66

Network Services

Back 66

client-server applications such as web services, email services, ftp services, and communication services such as conversational voice and streaming

Front 67

Node

Back 67

another name for computers or hosts on the network that form a logical group of computers

Front 68

Onboard network port

Back 68

a port embedded in the computer's motherboard, such as the port on the laptop