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Module 5·10% of the exam

IP Services

DHCP, DNS, NAT, NTP, SNMP, syslog, QoS, SSH.

The supporting services that make a network usable: dynamic addressing, name resolution, address translation between private and public space, time synchronization, monitoring, and the management protocols you'll use every day.

6 chapters2h reading10% weightPro module
ARIA· module 5 intro

Welcome to module 5. DHCP, DNS, NAT, NTP, SNMP, syslog, QoS, SSH. I'll meet you again at the top of every chapter — this module's worth roughly 10% of the exam, so don't rush it. Pick chapter 5.1 below to start.

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Anyone can browse the syllabus. To actually read chapter content, you'll need a free account — that opens Module 1: Network Fundamentals end-to-end, the lab, and ARIA. Modules 2–8 unlock with Pro.

  • Read every chapter in Module 1 — Network Fundamentals
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  1. 5.1

    DHCP — server, relay, and client

  2. 5.2

    DNS, NTP, SNMP, and Syslog

  3. 5.3

    NAT and PAT

  4. 5.4

    QoS fundamentals

  5. 5.5

    SSH and secure management

  6. 5.6

    TFTP and FTP — moving files to and from a router

Module 4
IP Connectivity — Routing
Module 6
Security Fundamentals
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A browser-native network lab and networking course, beginner to advanced. Free account opens Module 1 + a 3-device lab; Pro unlocks the rest.

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  • 1 · Fundamentals
  • 2 · Addressing
  • 3 · Access (L2)
  • 4 · Connectivity
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