Skip navigation

On September 14th, 2017, we published revised versions of our Privacy Policy, Terms of Service and Website Use Policy and published a Cookie Policy. Your continued use of Lynda.com means you agree to these revised documents, so please take a few minutes to read and understand them.

Domain Name System (DNS)

Domain Name System (DNS): CISSP Cert Prep: 4 Communication and Network Security
Domain Name System (DNS): CISSP Cert Prep: 4 Communication and Network Security

The Domain Name Service, or DNS, allows people to use easily recognizable names in place of IP addresses. DNS works as a network service that operates over UDP port 53. Every time you connect to a network, that network provides your computer with the IP address of a local DNS server that it can use to lookup IP addresses. Learn how DNS functions.

Resume Transcript Auto-Scroll
Skill Level Advanced
4h 2m
Duration
137,956
Views
Show More Show Less
Skills covered in this course
Network Administration Security IT CISSP

Continue Assessment

You started this assessment previously and didn't complete it. You can pick up where you left off, or start over.

Start Your Free Trial Now

Start your free trial now, and begin learning software, business and creative skills—anytime, anywhere—with video instruction from recognized industry experts.

Start Your Free Trial Now