108 Networks Flashcards

1
Q

WAP

A

Wireless Access Point
Allows devices to connect to a network without using physical connections

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2
Q

types of networks

A

LAN
WAN
MAN
GAN

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3
Q

LAN

A

local area network
comms network interconnection a variety of data within a small physical area

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4
Q

WAN

A

Wide Area Network
connects computers using long distance telecommunication systems
covers broad areas

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5
Q

MAN

A

Metropolitan Are Network
Covers a gourd of nearby corporate offices or a city

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6
Q

GAN

A

Global Area Network
Covers an unlimited geographical area

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7
Q

Length of bit addresses for IPV 4

A

32 bits

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8
Q

Length of bit addressing for IPV 6

A

128 bits

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9
Q

SIPRNET

A

Secret Internet Protocol Router Network

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10
Q

NIPRNET

A

Non Classified internet protocol router network

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11
Q

JWICS

A

Joint Worldwide Intelligence Communications System

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12
Q

ONENET

A

navy wide initiative to install a common IT infrastructure to OCONUS navy locations

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13
Q

DoDN

A

DoDN Global Information Grid
Summation of all military networks

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14
Q

DNS

A

Domain Naming System
internet server that helps point domain names or the host name to their associated IP address

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15
Q

IT 21

A

Like NMCI and ONENET but for afloat commands

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16
Q

NMCI

A

Navy Marine Corps internet
Creates one network throughout CONUS locations

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17
Q

OSI Model

A

Open Standards Interconnection Model
“please do not throw sausage pizza away”
Physical
data Link
Network
Transport
Session
Presentation
Application

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18
Q

DISN

A

Defense Information Systems network
Satisfies DoD long haul and WAN transfer comms request

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19
Q

Back Up

A

A copy of important data kept from retrieval

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20
Q

Application Server

A

Server side software that hosts and runs applications

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21
Q

Host Client

A

Main computer connected to other computers

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22
Q

Switch

A

Smarter version of a hub/ does not broadcast out on all ports

23
Q

Hub

A

common connection point for devices with a network hub / within a network

24
Q

wireless access protocol

A

Wireless access protocol
Allows wireless devises to access internet services over a cellular network or WI-FI

25
Firewall
A combination of hardware and software that protects a network from attack by hackers
26
router
A device that connects two networks and allows packets to be transmitted and received between them
27
VPN concentrator
Hardware devise specifically engineered to protect Virtual Private Networks
28
High Level Language
advanced computer programming language that isn't limited by the type of comport or for one specific job and is easily understood
29
Assembly language
a low level programming language used to interface with computer hardware
30
Machine Language
collection of binary digits or bits that the computer reads and interprets
31
Application
any software or tool that uses a network to perform its tasks
32
Network
responsible for logical addressing and translating logical addresses into physical addresses Uses routers
33
Virus
Program intended to damage a computer system
34
Worm
A program similar to a virus, but it propagates itself over a network
35
Trojan
Any application that pretends to be one thing in order to get past to do something malicious
36
backdoor
an opening left in an program application that allows additional access to data
37
phishing
Asking someone for information you need by making seem like a legitimate request
38
buffer overflow
error that occurs when incoming data rate exceeds acceptance capacity of a system
39
dictionary attack
an attack that uses words from a database to test different passwords until a match is found
40
Privilege escalation
The result when a user obtains access to a resource they normally would not have access to
41
Brute Force Attack
A type of attack that relies purely on trial and error
42
Social engineering
An attack that uses others by willingly saying information
43
SQL injection
attack used to exploit vulnerability by injecting malicious code and having host systems run it
44
Bus topology
Every computer is connected by the same backbone network that runs from one end to the other
45
Star topology
All networks connected at one central point so they can all communicate as if they were directly connected
46
Ring topology
Each network is only connected to the two others on either side
47
Mesh topology
every computer is directly connected to every other computer
48
CORE
layer of routing used as a collapsed backbone- tier routers from multiple buildings
49
Access routers
located at customer sites that do not deed hierarchical routing of their own
50
distribution routers
aggregate traffic from multiple access routers, either from the same site, or connects multiple sites to a large enterprise location
51
Proxy server
gateway between you and the internet
52
repeaters
device placed on a network which repeats a signal to decrease or eliminate fading
53
operating systems
software program that enables the computer hardware to communicate and operate with the computer software