A server that uses the DNS to translate URLs into IP addresses, they are usually managed by the ISP or IT department
What is load balancing?
Using multiple servers and distributing the traffic among them to prevent network bottlenecks
What is a DHCP server?
A server that uses the DHCP to automatically allocate IP addresses to connected NICs
What is a file server?
A server that centralizes the storage of files (documents, spreadsheets, videos, images, etc.) for sharing among connected users
What are 2 protocols that are commonly used in file servers?
SMB/CIFS (Server Message Block/Common Internet File System) and AFP (Apple Filing Protocol)
What is a print server?
A server that connects a printer to the network
True or False: Print servers are usually stand-alone objects
False - Print servers are often software stored in a client computer, or integrated into the printer
What are 3 protocols that are commonly used by print servers?
SMB/CIFS (Server Message Block/Common Internet File System), IPP (Internet Printing Protocol), and LPD (Line Printer Daemon)
What is a mail server?
A server which stores incoming mail and sends outgoing mail, they are usually managed by the ISP or IT department
What is a syslog?
A standard for message logging that reads and stores data transmitted across the server, usually integrated into the SIEM (Security Information and Event Management) system, requires significant storage capacity
What is a web server?
A server that stores webpages and responds to browser requests, pages are built in HTML
What is an authentication server?
A server that manages authentication for login attempts, almost exclusively provided at the enterprise level, should be redundant
What is spam?
Unsolicited messages
Why is spam significant?
Spam poses a security threat through phishing and malware, as well as using resources that would be otherwise available
What is a spam gateway?
A virtual point on the network, often the firewall, that intercepts and blocks incoming spam, they may be placed on site or be cloud based
Define and describe UTM
Unified Threat Management, is a next-generation firewall and web security gateway that identifies, intercepts, and eliminates security threats and spam
What is a load balancer?
A system which distributes the traffic load onto multiple servers to prevent any single server from being overexerted
Supervisory Control and Data Acquisition System/Industrial Control Systems, are systems that facilitate the control of industrial equipment including their external logistics from a centralized computer
What is a legacy system?
An old or outdated system, e.g. old OS, pre-OS computing
What is an embedded system?
A purpose-built device that usually does not have direct access to the operating system, e.g. Alarm systems, time card systems
Define and describe IoT
Internet of Things, are devices that are connected to a network that traditionally would not have network functionality, IoT may require a segmented network to minimize security threats