Devices
Servers
Functions
Protocols
Computers
100
The devices that connect the Internet and make the World Wide Web possible.
What is a router?
100
This can address an identified threat by resetting a connection or even closing a port. It can also be configured to alert the administrator of the threat and the action that was taken.
What is Intrusion Protection System? (IPS)
100
A protocol developed by Cisco systems that you can use to encapsulate many Network layer protocols to be delivered on point‐to‐point links in your IP network.
What is Generic Routing Encapsulation? (GRE)
100
It lets you offload a whole lot of work config- uring IP addresses, subnet masks, default gateways, DNS server addresses, and much more to a server that is relatively easy to set up and maintain.
What is Dynamic Host Configuration Protocol? (DHCP)
100
A network of switches and special routers that spans the globe and can be connected to at any point. These lines take the information from a computer or other host and relay it to its final destination.
What is Frame Relay?
200
A network device that optimizes traffic flow on your network.
What is a switch?
200
In your network, this works like a moat does around a medieval castle. It’s specifically for the protection of that one device and doesn’t really help any of the other devices at all.
What is Host-based Intrustion Detection System? (HIDS)
200
This protocol uses cryptography to provide secure authentication and communication privacy over the Internet. It is typically used for e‐commerce.
What is secure socket layer? (SSL)
200
This resolves user‐friendly names, such as wiley.com, google.com, and others to IP addresses that are used on the network. It makes it much easier for you to use the network systems that you put into place.
What is Domain Name Service? (DNS)
200
A protocol that was developed after Ethernet, and it provides a much more efficient way of transferring data than does Ethernet.
What is asynchronous transfer mode.(ATM)
300
These are essentially switches with a router module installed in them.
What is a multilayer switch?
300
They can receive signals from laptops and other wireless devices and direct them to connected computers or even to the Internet.
What is an Access Point? (AP)
300
This is used to create a secure tunnel between two points on a network over which other protocols such as the Point‐to‐Point Protocol (PPP) can be used. This tunneling functionality provides the basis for many VPNs.
What is Point to Point Tunneling Protocol? (PPTP)
300
A service that translates one set of IP addresses to another set of IP addresses. It is most often used between a private network and the Internet.
What is Network Address Translation? (NAT)
300
The standard remote access protocol used today. It provides for authentication mechanisms, error checking, and multiple protocol support.
What is Point‐to‐Point Protocol? (PPP)
400
A hardware or software system that is used to separate one computer or network from another one.
What is a firewall?
400
A device that has multiple ports into which connections can be made. All devices connected to this are also connected to each other. This device does not filter any communication or provide any intelligence in regard to the data stream; it simply lets all the information flow through it and connects anything and everything that is connected to it.
What is a hub?
400
It provides a centralized system for authentication, authorization, and accounting.
What is Remote User Dial-in User Service? (RADIUS)
400
A protocol that will push data at 150 Gbps over fiber links and has to be controlled using atomic clocks.
What is synchronous optic networking? (SONET)
400
A digital-interface device used to connect a data terminal equipment (DTE), such as a router, to a digital circuit, such as a Digital Signal 1 (T1) line.
What is Channel Service Unit/Data Service Unit? (CSU/DSU)
500
An intelligent monitor of network traffic that “understands” what normal traffic is supposed to look like and what it is supposed to do and can therefore identify abnormal traffic as a threat.
What is an Intrusion Detection System? (IDS)
500
A framework of protocols designed to authenticate connections and encrypt data during communication between two computers.
What is Internet Protocol Security? (IPSec)
500
A remote access solution that is included with Microsoft Windows Server products. Its main function is to give users the same access to the network from a remote location as if they were actually sitting at their desks, although sometimes the access is much slower.
What is Routing and Remote Access? (RAS)
500
An optical technology used to increase bandwidth even further over existing fiber‐optic backbones. It works by combining and transmitting multiple signals simultaneously at different wavelengths on the same fiber.
What is Dense wavelength division multiplexing? (DWDM)
500
The most common of all network connectors. It is used to connect network interface cards (NICs) to hubs and/or switches.
What is RJ-45?
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