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68 Cards in this Set
- Front
- Back
- 3rd side (hint)
Active Directory (AD) |
The centralized directory database that contains user account information and security for the entire group of computers |
Client server network model |
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Active Directory Domain Services (AD DS) |
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 |
Client server model |
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Application Programming Interface (API) Call |
The method an application uses when it makes a request of the OS |
Session Layer |
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Application Layer |
Describes the interface between two applications, each on different computers |
Name of Layer 7 |
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Address Resolution Protocol (ARP) |
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 |
Belongs to the data link protocol layer |
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Backbone |
a central conduit that connects the segments (pieces) of a network and is sometimes referred to as "a network of networks" |
LANS and Hardware |
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Bandwidth |
amount of data traffic or transmission over the network |
communications services |
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Best-effort Protocol |
UDP-User Datagram Protocol Does not guarantee delivery by first connecting and checking whether data is recieved. |
Layer 4: Transport Layer Connectionless protocol, for streaming video or audio over the web |
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Bus Topology |
A daisy-chained or single line network |
communications services |
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Call Tracking System |
Documenting problems and their resolutions |
Program at a help desk |
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CAN (Campus Area Network) |
A group of connected lans in the same geographical area, like offices or buildings |
MAN-metropolitan area network |
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Catastrophic failure |
Destroys equipment beyond use |
There is this kind of failure and and upset failure |
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Client-Server Applications |
involves 2 computers, a client and a server |
The internet, or email is this |
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Client-Server network model |
Resources are managed by the NOS via a centralized directory database |
client-server architecture or client-server topology |
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Connectionless protocol |
also known as UDP, or best effort protocol |
Videos and audio use this so it doesn't sound all messed up |
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connection-oriented protocol |
Makes a connection with the end host, checks whether the data is received, and re-sends it if it is not. |
TCP (transmission control Protocol) |
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convergence |
Using the same network to deliver multiple types of communications services such as audio video and voice |
Communications services |
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Data Link Layer |
Interfacing with the physical hardware only on the local network, these layers are programmed into the firmware of a NIC and other hardware |
Layer two, also known as the Link Layer |
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Data Link Layer Address |
The frame header contains the hardware addresses of the source and destination NICs |
Also called MAC Address, physical address and hardware address |
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Datagram |
What a message is called when using UDP. |
a Segment or _____ in UDP |
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decapsulation |
Removing a header and trailer from a layer below |
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delay-sensitive |
you don't want to hear breaks in your conversation or see a buffering message when watching a movie |
Voice and Video transmissions are |
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demarc |
the device that marks where a telecommunications service provider's network ends and the organizations begin |
a trouble shooting skill |
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demarcation point |
the device that marks where a telecommunications service provider's network ends and the organizations begin |
a trouble shooting skill |
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domain |
a logical group of network access controls |
Windows _______ |
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electrostatic discharge (ESD) |
An electrical charge at rest |
Static electricity |
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emergency alert system |
a system that typically generates a loud noise and flashing lights in response to a fire |
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encapsulation |
the process of adding a header to the data inherited from the layer above |
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fail close |
a system default that denies access during a system or network failure |
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fail open |
a system default that allows access during a network failure |
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file server |
a computer that provides file services is called a |
file and print servicess |
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file services |
a server's ability to share data files and disk storage space |
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fire suppression system |
could be an alarm system, portable fire extinguishers, emergency power-off or suppression chemical |
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fragmentation |
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 |
Layer 3: Network Layer |
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frame |
the entire link layer message is called a |
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FTP (File Transfer Protocol) |
a client-server application that transfers files between two computers |
does not provide encryption |
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Global Account |
each user on the network has his own domain-level account called a |
client server network model |
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Grounding |
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 |
what you do before you work on the internals of a computer |
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Hardware Address |
The frame header contains this |
MAC Address |
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Header |
an area at the beginning of a payload where protocols add their own control information |
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HVAC System |
heating and air conditioning |
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Host |
any computer or device on a network that provides a resource such as an application or data |
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HTTP (Hypertext Transfer Protocol System) |
Primary protocol servers and browsers (clients) |
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HTTPS (HTTP Secure) Hybrid topology |
When HTTP is layerd on top of an encryption protocol such as SSL (secure Sockets Layer) or TLS (transport layer security) |
client-server application |
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ICMP (Internet Control Message Protocol |
IP relies on several routing protocols to find the best route for a packet when traversing several networks on its way to its destination |
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IMAP4 (Internet Message Access Protocol Version 4) |
the client application manages the email stored on the server |
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IP (Internet Protocol) |
Principle protocol used by the network layer |
Layer 3: Network Layer |
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IP Address |
an address assigned to each node on a network, which the network layer uses to uniquely identify them on the network |
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Knowledge Base |
a collection of accumulated insights and solutions to the problems encountered on a |
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Layer 2 Switch |
Theast intelligent (nonprogrammable) switches |
Layer 2: Data Link Layer Also known as Link Layer Switches |
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Link Layer |
Also known as the data link layer, protocols are programmed into the firmware of a computer's NIC |
Layer 2 of the OSI model |
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Link Layer Switch |
the least programmable switches |
also known as layer 2 switches |
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Local Account |
an account that only works on one computer |
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Local area Network (Lan) |
a network of computers and other devices that can directly address all other nodes. |
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Logical Topology |
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 |
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Loss-Tolerant |
Video or audio that tolerates skipping or loss of video frame |
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MAC (media Access Control Address) |
The Physical Address |
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MAN (Metropolitan Area Network) |
A Wide area network that can stretch across an entire city scape |
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Material Safety Data Sheet (MSDS) |
explaines how to properly handle substances such as chmical solvents and how to dispose of them |
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Multicast Distribution |
A client-server model with one server and many clients |
Youtube uses this communications service |
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Network |
a group of computers and other devices such as printers that are connected by some type of transmission media |
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Network Adapter |
installed in an expansion slot on the motherboard |
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Netwrok interface Card (NIC) |
also known as a network adapter, installed in the expansion slot on the motherboard |
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Network Layer |
IP, ICMP and ARP, responsible for moving messages from one node to another until they reach the destination host. |
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Network Operating System (NOS) |
controls access to an entire network |
Windows Server 2012R |
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Network Services |
client-server applications such as web services, email services, ftp services, and communication services such as conversational voice and streaming |
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Node |
another name for computers or hosts on the network that form a logical group of computers |
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Onboard network port |
a port embedded in the computer's motherboard, such as the port on the laptop |
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