024.1 Networks, Network Services and the Internet

024.1 Networks, Network Services and the Internet

Reference to LPI objectives

Security Essentials version 1.0, Exam 020, Objective 024.1

Weight

4

Key knowledge areas

  • Understanding of the various types of network media and network devices

  • Understanding of the concepts of IP networks and the Internet

  • Understanding of the concepts of routing and Internet Service Providers (ISPs)

  • Understanding of the concepts of MAC and link-layer addresses, IP addresses, TCP and UDP ports, and DNS

  • Understanding of the concepts of cloud computing

Partial list of the used files, terms and utilities

  • Wired networks, WiFi networks, cellular networks

  • Switches, Routers, Access Points

  • Default Router

  • Internet Service Provider

  • IPv4, IPv6

  • TCP, UDP, ICMP, DHCP

  • DNS, DNS host names, forward DNS, reverse DNS

  • Cloud computing

  • Infrastructure as a Service (IaaS)

  • Platform as a Service (PaaS)

  • Software as a Service (SaaS)

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