Protocols
Networked Host Services
Directory, Authentication, and Remote Access Servers
Admin Tools
Home & Industry
100

Standards for addressing and routing data on the Internet

What is IP (Internet Protocol)?

100

This identifies the host location of a web server, but is converted into a computer-readable IP address by DNS. 

What is FQDN (Fully Qualified Domain Name)?

100

Protocol used to query and update a directory such as one used in enterprise networks as a central database of authorized users.

What is LDAP (Lightweight Directory Access Protocol)?

100

Framework for management and monitoring network devices

What is SNMP (Simple Network Management Protocol)?

100

Controls machinery used in critical infrastructure, such as power suppliers, water suppliers, health services, telecommunications, and national security services.

What is an ICS (Industrial Control System)? 

200

This is utilized to ensure max speed packet delivery, regardless if a packet or two is dropped.

What is UDP (User Datagram Protocol)?

200

Relational database servers are also known as these databases because a user can utilize it to interact with the database.

What is SQL (Structured Query Language)?

200

Server that consolidates authentication services across multiple access devices.

What is AAA (Authentication, Authorization, and Accounting)?

200

The SNMP agent process maintains this database that holds statistics relating to the activity of the device on which it's running.

What is MIB (Management Information Base)?

200

Embedded in plant devices and equipment, and linked by a cabled network to actuators that operate valves, motors, circuit breakers, and other mechanical components.

What is a PLC (Programmable Logic Controller)?

300

Standard network protocol used for the transfer of files from one host to another over a TCP-based network

What is FTP (File Transfer Protocol)?

300

Application protocol underpinning file and printer sharing on Windows networks

What is SMB (Server Message Block)?

300

Protocol used to manage remote and wireless authentication infrastructures.

What is RADIUS (Remote Authentication Dial In User Service)?
300

Protocol and supporting software that facilitates log collection.

What is Syslog?

300

Takes the place of a control server in large-scale, multiple-site ICSs.

What is a SCADA (Supervisory Control and Data Acquisition)?

400

Utilizes TCP port 80 and clients submit GET requests for resources.

What is HTTP (HyperText Transfer Protocol)?

400

When this is used with the HTTP application, it is referred to as HTTPS and traffic is sent via TCP port 443.

What is TLS (Transport Layer Security)?

400

Principal means of obtaining secure remote access to most types of network appliances.

What is SSH (Secure Shell)?

400

Instead of implementing NAT (Network Address Translation), another option is to deploy this server that mediates communications as well as provide caching services to improve performance.

What is a proxy server?

400

The global network of wearable technology, home appliances, home control systems, vehicles, and other items that have been equipped with sensors, software, and network connectivity.

What is IoT (Internet of Things)?

500

Supports permanent connections to a server and connecting multiple clients to the same mailbox simultaneously.

What is IMAP (Internet Message Access Protocol)?

500

Allowed computers to address one another by name and establish sessions for other protocols, such as SMB

What is NetBIOS?

500

Protocol for operating remote connections to another computer.

What is RDP (Remote Desktop Protocol)?

500

This enforces a variety of security policies and controls, combining the work of multiple security functions.

What is UTM (Unified Threat Management)?

500

Legacy systems can still be found in some industries due to complex services, or the prohibitive cost of upgrading, even though it is no longer supported and has reached this.

What is EOL (end-of-life)?

M
e
n
u