October 2012
Intermediate to advanced
902 pages
28h 9m
English
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Chapter Review Answers
Answer: A. There’s only a single VLAN ID in IEEE 802.1Q.
Answer: B,C. This is a tricky one, as both
stacked-vlan-taggingandflexible-vlan-taggingwill support IEEE 802.1QinQ frames.Answer: C,D. When using
encapsulation flexible-ethernet-services, this enables per IFL encapsulation, which is most often used when supporting multiple customers per port.Answer: A. The Enterprise Style supports basic VLAN mapping via the
family bridge vlan-rewritefunction.Answer: C. The ingress frame has a single C-TAG and the objective is to perform VLAN mapping to support both a S-TAG and a C-TAG. The tricky part of the requirement is that the original C-TAG is removed and the remaining S-TAG and a C-TAG are completely different VLAN IDs. The stack operation
swap-pushwill swap the outer tag and push a new tag, resulting in the proper S-TAG and C-TAG.Answer: B. When a bridge domain is configured with
vlan-id none, it supports a single bridge domain and learning domain; it also requires that you useinput-vlan-mapandoutput-vlan-mapto perform VLAN mapping.Answer: D. When a bridge domain is configured with
vlan-id all, it supports a single bridge domain with 4,094 learning domains.Answer: D. MAC accounting will enable per MAC statistics that keep track of how many times it has been used as a source or destination address. Use the
show route forwarding-tablecommand to verify.Answer: B. The interface
irbis automatically set to a speed of 1,000 Mbps; however, this doesn’t actually ...
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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.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.