July 2009
Intermediate to advanced
752 pages
23h 19m
English
Content preview from JUNOS Enterprise SwitchingBecome 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 Review Questions
In a default Layer 2 configuration, all EX interfaces:
Belong to the native VLAN, which is untagged
Belong to the native VLAN, which is VLAN 1
Belong to the default VLAN, which is untagged
Belong to the default VLAN, which is VLAN 1
Which of the following is true for the native VLAN?
It is not always required
It is defined by default on EX switches because switch-to-switch protocols use it
User traffic can never use the native VLAN
EX switches support native VLAN trunking by default, for interoperability with IOS devices
True or false: an access port is mapped to its VLAN through explicit tagging.
What is required for communications to occur between stations assigned to different VLANs?
You must run multi-instance STP
A standalone Layer 3 device is required
This is never allowed, which is why the users are in different VLANs to start with
A Layer 3 device, possibly housed within the switch itself, is required
What setting is required on an IOS switch to successfully trunk with an EX?
Nothing; the defaults on the IOS device will automatically negotiate compatible settings
You must manually configure ISL trunking because EX switches do not support VTP
You must manually configure .1Q trunking because EX switches do not support DTP
This is possible only through tentative VLAN, which requires no explicit configuration
Which are true regarding GVRP on EX switches?
It can automate the addition and removal of a local VLAN to a trunk
It can automate both the propagation of VLAN definitions ...
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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.