You are considering an upgrade from 19.1R1 and want to ensure that only bug fixes are included. Which two software versions should you consider in this situation? (Choose two.)
The answer is C and D:
R release : Maintenance and introduce bug fixes
19.1R1 ==> 19.1R2 introduces only bug fixes
19.1R1 ==> 19.2R2 Introduces new features
In this case we are only introducing Bugs!
The answer is C and D:
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The software release number 17.2R1.13, for example, maps to this format as follows:
m is the main release number of the product, for example, 17. // new feature
n is the minor release number of the product, for example, 2. //new feature
Z is the type of software release, for example, R for FRS or maintenance release.//collection of bug fix
b is the build number of the product //Beta release software
s is the spin number of the product// released to customers to solve a specific problem.
https://www.juniper.net/documentation/us/en/software/junos/junos-install-upgrade/topics/topic-map/software-install-and-upgrade-overview.html
Maintenance Releases (e.g. 20.1R2, 20.2R3 etc.) – Standard releases are provided to support customers for all platforms running the Junos OS to provide bug fixes after the FRS release. Normally, there are no new features unless they went through some special approval process.
What about 10.1s6 ?
S releases are service level release, most often a higher number than the last r the main difference is that they are not supported by NSM and also are not generally supported for very long, they get released faster than normal to fix critical bugs.. It is almost always best to migrate to a stable r once one is available.
What does 10.1r1 mean:
10 = 2010 IE the year of release
.1 = The Quarter 1 feature release, each quarter adds new features
r1 = Tthe release/patch/hotfix level of the 10.1 release
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