October 2012
Intermediate to advanced
902 pages
28h 9m
English
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Chapter Review Questions
Which HA features work together?
NSR
NSB
GRES
GR helper mode
All of the above
Which of the following is considered a negative test for NSR?
Restart routing
Request chassis RE master switch on master
Request chassis RE master switch on backup
Panic the kernel on master RE
Which is false regarding graceful restart?
GR will abort if instability is detected
GR is hitless to the control plane, but has a slight hit to the dataplane
GR and NSR cannot be configured together
GR requires protocol extensions and is not transparent to peer routers
Which is true regarding GRES?
GRES and GR can be used together on machines with a single RE
You must run the same Junos version on both REs
You must synchronize configurations between REs
You must wait at least 240 seconds between each GRES event
Both b and c
What is true regarding NSR?
You can use NSR in conjunction with graceful restart
You can enable NSR on machines with a single RE to provide protection from rpd faults
NSR replicates protocols messages which are independently processed on the BU RE
NSR replicates the master RE’s forwarding and routing state (FIB/RIB) to the backup RE
Which command tells you if the backup RE has completed GRES synchronization?
Show task replication on master
Show task replication on backup
Show system switchover on master
Show system switchover on backup
What command is used to confirm NSR replication?
Show task replication on master
Show task replication on backup
Show system switchover on master
Show system switchover on ...
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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.