New Training: Cisco CCNA (200-301) Assessment Lab: IP Services
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New Training: Cisco CCNA (200-301) Assessment Lab: IP Services

In this 8-video skill, CBT Nuggets trainer Keith Barker helps you assess your skills to know if you’re ready for the 200-301 CCNA certification exam. Assess your knowledge of NAT, DHCP, and SSH. Watch this new Cisco training.

Watch the full course: Cisco CCNA Assessment Labs

This training includes:

  • 8 videos
  • 20 minutes of training

You’ll learn these topics in this skill:

  • Welcome to the CCNA IP Services Assessment Labs
  • NAT Assessment Lab Topology and Tasks
  • NAT Assessment Lab Verification
  • DHCP Services Assessment Lab Topology and Tasks
  • DHCP Assessment Lab Verification
  • SSH Assessment Lab Topology and Tasks
  • SSH Assessment Lab Confirmation
  • Review of IP Services Assessment Labs

DHCP, DNS, and NAT: 3 Common Network Services

Today, networks depend on various services to effectively transmit data across the internet and within local area networks. DHCP, DNS, and NAT are three critical components that support data transmission to and from a local network to the internet.

A Dynamic Host Configuration Protocol (DHCP) server is a network server that assigns network IP addresses to network-connected devices. This service is critical as it manages how network-connected devices are dynamically assigned a unique internal IP address.

DNS or Domain Name Service can be thought of as the phonebook of the internet. This service maps domain names such as google.com to their respective IP addresses so that users wishing to locate the server hosting google.com can traverse to that unique IP address.

NAT or Network Address Translation is a network translation service that can translate the IP addresses of internal devices to IP addresses that are routable over the Internet. A subset of NAT, known as Port Address Translation (PAT) allows one single public IP to be seen from the outside world, so that outside services may establish communication with that single public IP then be redirected internally within the network to the specific network-connected device they wish to communicate with.

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