2.4 Network Services Flashcards
What is an IoT device?
A smart, network-connected device designed for automation, monitoring, or control.
Example: Nest Thermostat, Ring Camera.
What is a UTM (Unified Threat Management) device?
An all-in-one security solution that includes a firewall, IDS/IPS, anti-spam, and content filtering.
Give an example of a UTM device.
Sophos UTM, Cisco Meraki MX.
What is a file server?
A network server that stores and manages shared files for users.
What is a print server?
A device that manages print jobs from multiple users and sends them to a network printer.
Name two common web servers.
Apache, Nginx, IIS (Windows Internet Information Services).
What does an email server do?
Manages sending, receiving, and storing emails.
What is the function of SMTP (port 25)?
Sends outgoing emails.
What is the function of POP3 (port 110)?
Downloads emails from the server and removes them.
What is the function of IMAP (port 143)?
Synchronizes emails across multiple devices without removing them from the server.
What is Microsoft Exchange used for?
Enterprise-level email and collaboration management.
What does an AAA server do?
Provides Authentication, Authorization, and Accounting for network security.
Name two common AAA protocols.
RADIUS, TACACS+.
What is Active Directory Domain Services (AD DS)?
A Microsoft authentication system for managing users, permissions, and access control.
What is a Remote Access Server (RAS)?
A server that allows users to connect remotely via VPN or dial-up.
Name three common VPN protocols.
L2TP, PPTP, OpenVPN, IPsec.
What is the purpose of a network monitoring server?
Tracks network health, traffic, and potential issues.
Give an example of a network monitoring tool.
Nagios, SolarWinds, PRTG Network Monitor.
What is a proxy server?
An intermediary server that filters, caches, or controls internet access.
Give an example of a proxy server software.
Squid Proxy, Blue Coat ProxySG.
What does a load balancer do?
Distributes network traffic across multiple servers to prevent overload.
Name two common load balancers.
F5 BIG-IP, AWS Elastic Load Balancer.
What are legacy systems?
Older hardware/software still in use, often requiring isolation or virtualization for security.
What is ICS (Industrial Control Systems)?
A system used to control industrial processes such as manufacturing and utilities.
What is SCADA (Supervisory Control and Data Acquisition)?
A control system used in critical infrastructure for monitoring and automation.
Why are ICS/SCADA systems high-risk?
They often use outdated technology and are targeted by cyber threats.
