January 2013
Beginner to intermediate
576 pages
14h 1m
English
book
CCENT Cisco Certified Entry Networking Technician Study Guide: (ICND1 Exam 640-822), 2nd Edition
by Todd Lammle
Content preview from CCENT Cisco Certified Entry Networking Technician Study Guide: (ICND1 Exam 640-822), 2nd EditionBecome 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,
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Chapter 7: Layer 2 Switching
- A, D, E. Microsegmention is created by having every network segment be its own collision domain, and not a shared medium. Microsegmentation provides full-duplex, no collisions, and more bandwidth for users.
- C. The command show mac address-table displays the forward/filter table on the switch.
- A, E. Bridges break up collision domains, which would increase the number of collision domains in a network and also make smaller collision domains.
- C. To stop unauthorized users from accessing the LAN, you can configure port security on your switch.
- A, E. When you plug a correct Ethernet cable type into a switch port, the port will turn amber and then turn green after the loop detection mechanism (STP) has converged. The port ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.