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44 Cards in this Set
- Front
- Back
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Host/Client
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A user connected to a network |
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Application Software
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A server that houses control applications and software
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Hub |
A networking hardware device with one broadcast domain. |
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Switch |
Creates a separate collision domains for each switch port.
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Router |
Forwards data packets between networks
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WAP
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wireless access point - allows wireless devices to connect via a wireless communication standard. |
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Proxy server |
a computer that functions as an intermediary between a client networking device and the internet |
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Firewall |
a hardware device or software application that controls incoming and outgoing connnections and packets based on an applied rule set |
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VPN Concentrator |
Establishes, negotiates, assigns, and manages all VPN connections to and from a network. |
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Back-up |
the copying or archiving of computer data to a stored location
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repeater |
a device that receives an electronic signal and retransmits the signal at a higher power |
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Access |
Acts as the point at which end stations connect to the network. |
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Distributions |
Acts as an intermediary between the core and access layers and is usually where the routing functions on a well designed network are found. |
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Core |
The backbone of the network. Provides high speed connections reliability and fault tolerance. |
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Topology |
Physical or logical layout of a computer network infrastructure |
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Bus |
Nodes are connected in a daisy chain by a liner sequence of buses |
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Ring |
which each node connects to exactly two other nodes. |
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Star |
every node is connected to a central node
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Mesh |
each routing or switching device is connected. |
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Point to point |
when two nodes send traffic only to each other |
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LAN |
a group of networking devices connected together under the same network |
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WAN |
a lan that is broken up into two or more groups and separated by an ISP or other 3rd party network
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MAN
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one lan that is broken up into two or more groups and is separated by several ISP's |
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GAN |
several lans spread throughout the globe that are interconnected at a centralized location |
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OSI model |
Presentation Session Transport Network Datalink Physical |
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NIPRNET |
Non-classified internet protocol router network |
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SIPRNET |
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JWICS
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joint world wide intelligence communication system |
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DISN |
Defense information system network |
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NMCI
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Navy/Marine Corps Intranet |
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ONENET |
NMCI of overseas |
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IT21
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shipboard network |
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Machine Language |
a set of instructions executed directly by a computers CPU |
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Assembly language |
a low level programming language for a computer that has a one to one connection with the machine level language |
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high level language |
a language written in readable format |
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OS |
software that manages computer hardware and provides common services |
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Application |
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Virus |
Malicious code that relies on another program to spread |
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Worm |
malicious code that can self replicate and does not need a program to spread |
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Trojan |
a malicious program that takes on the appearance of another computer object but is actually malicious content or code. |
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Backdoor |
a method of bypassing normal authentication securing unauthorized remote access to a computer obtaining access to plaintext and so on while attempting to remain undetected |
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Phishing
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an attempt to acquire sensitive info by masquerading as a trustworthy individual |
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PKI |
public key infrastructure - a system for the creating storage and distribution of digital certificates which are used to verify credentials |
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