Comtpia A+ 1101 2.4 Course Exam Objectives

Описание: 2.4 #Summarize #Services #Provided by #Networked #Hosts

DNS (Domain Name System)
Port: 53
Protocol: TCP/UDP
Service: Translates website names to IP addresses
Example: www.internet.com - 127.198.1.1

DHCP (Dynamic Host Configuration Protocol)
Port: 67/68
Protocol: UDP
Service: Automatically assigns IP addresses and other network configurations

File Sharing
Traditional:
FTP, SFTP, FTPS, TFTP
Web-based:
HTTP, HTTPS, WEBDAV
Network:
SMB, NFS
Others:
SCP, AS2, OFTP

Print Servers
Dedicated Printing Protocols:
LDP (old), AppSocket
Network:
TCP/IP, UDP
Modern Printing Protocol:
IPP

SCADA (Supervisory Control and Data Acquisition)
Service: Hardware and software systems in industrial organizations to control machines and processes
Example: Oil, gas, water, agriculture

Mail Servers
Protocols for Sending Email:
SMTP
Protocols for Receiving Email:
POP3, IMAP
Other:
MIME (handles attachments)

Web Servers
Service: Host websites, web applications, and support online activities
Includes content delivery and HTTPS

AAA (Authentication, Authorization, Accounting)
Service: Fundamental security mechanism
Protocols: RADIUS, TACACS+

Internet Appliances
Spam Gateways:
Filters email traffic
UTM (Unified Threat Management):
Includes firewall, IPS, antivirus, VPN filtering, and network security
Load Balancers:
Hardware and software
Proxy Servers:
Acts as a middle-man

IoT (Internet of Things)
Service: Connects devices to a network for control and monitoring via the internet
Example: Smart coffee maker.

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