Chapter 2

Infrastructure and Connectivity

The Following CompTIA Security+ Exam Objectives Are Covered in This Chapter:

  • 1.1 Explain the security function and purpose of network devices and technologies.
    • Firewalls
    • Routers
    • Switches
    • Load Balancers
    • Proxies
    • Web security gateways
    • VPN concentrators
    • Spam filter, all-in-one security appliances
    • Web application firewall vs. network firewall
  • 1.3 Distinguish and differentiate network design elements and compounds.
    • DMZ
    • Subnetting
    • VLAN
    • NAT
    • Remote Access
    • Telephony
    • Virtualization
  • 1.4 Implement and use common protocols.
    • IPSec
    • SNMP
    • SSH
    • DNS
    • TLS
    • SSL
    • TCP/IP
    • FTPS
    • HTTPS
    • SFTP
    • SCP
    • ICMP
    • IPv4 vs. IPv6
  • 1.5 Identify commonly used default network ports.
    • FTP
    • SFTP
    • FTPS
    • TFTP
    • TELNET
    • HTTP
    • HTTPS
    • SCP
    • SSH
    • NetBIOS
  • 2.8 ...

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