Flashcards in Systems and Networks Deck (46)
A computer or device that is connected to the internet/network.
• Application Server
A server that holds applications
A networking device that forwards packets to all segments.
A networking device that has the ability to choose which segments it wants to forward the packet(s) to.
Networking device that acts as the default gateway.
Wireless Access Point, device that broadcast a wired network using WI-FI, Bluetooth, etc.
• Proxy Server
Server that requests resources from other servers for a user to receive.
A device, set of devices and/or software that permits or denies off going/incoming network traffic.
• VPN Concentrator
An encrypted tunnel between hosts
Copy of data that is used to restore original data during a data loss event.
An electronic device that receives a signal and re-amplifies it so the signal can cover longer distances
This layer includes hubs and switches. It ensures packets are delivered to end user computer
This layer includes LAN-based routers and layer 3 switches. It ensures that packets are properly routed in the network
This layer includes high-end switches and backbones. It is concerned with speed and reliable delivery of packets (information).
are the physical or logical design of a network
A computer network covering a small area such as a home or office.
The largest type of network that spans cities and/or campuses. Example of this is the internet.
Network that supports mobile communications, wireless LANS, etc via satellite.
Is a way of sub-dividing a communications system into smaller parts called layers.
Is a way of sub-dividing a communications system into smaller parts called layers
IPv4 VS IPv6
Both are connection-less protocol that allow you to access a network(s). The difference is IPv4 is 32-bit while IPv6 is 128-bit.
Serves as the primary network for shore U.S. users.
Serves as the primary network for OCONUS shore users
Serves as the primary network for all afloat commands.
A defense system based on the status of information systems used to defend against network attacks.
It is the actions taken via computer networks to protect, monitor, analyze and respond to network attacks that would compromise information systems.
Oversees and monitors networks.
– Provides IP services to the fleet. (There are 4: PRNOC,UARNOC, ECRNOC and IORNOC.)
Provides secure, reliable, and timely services to U.S. commands.