Skip to Main Content
31 Days Before Your CCNP and CCIE Enterprise Core Exam
book

31 Days Before Your CCNP and CCIE Enterprise Core Exam

by Patrick Gargano
December 2020
Intermediate to advanced content levelIntermediate to advanced
736 pages
22h 40m
English
Cisco Press
Content preview from 31 Days Before Your CCNP and CCIE Enterprise Core Exam

Day 21

Network Services

Key Topics

Today we review three important network services: Network Address Translation (NAT), Network Time Protocol (NTP) and Precision Time Protocol (PTP).

Because public IPv4 addresses are in such high demand but are subject to limited availability, many organizations use private IP addresses internally and use NAT to access public resources. Today we explore the advantages and disadvantages of using NAT and look at the different ways it can be implemented.

NTP is designed to synchronize the time on a network of machines. From a troubleshooting perspective, it is very ...

Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Start your free trial

You might also like

CCNP and CCIE Enterprise Core ENCOR 350-401 Complete Video Course

CCNP and CCIE Enterprise Core ENCOR 350-401 Complete Video Course

Brad Edgeworth, Vinit Jain, Bradley Riapolov
Cisco CCNP Enterprise ENCOR (350-401)

Cisco CCNP Enterprise ENCOR (350-401)

ACI Learning, Anthony Sequeira, Ronnie Wong

Publisher Resources

ISBN: 9780136911739