Thursday, 13 September 2012

Zimbra Interview Questions & Answers with TCS

Zimbra Interview Questions & Answers

Q.1> What is Zimbra ?
Ans> Zimbra provide enterprise-class and open-source edition. Email, calendar and groupware software for Linux and MAC operating system.

Q.2> How to create email Account on command line ?
Ans> zmprov createAccount password displayName "firstname lastname"

Q.3> How to Reset Email account Password ?
Ans> zmprov sp NEW_PASSWORD

Q.4> How to check zimbra services are running or not running ?
Ans> zmcontrol status
or you can view with admin panel of zimbra over GUI.
Q.5> How to start only MTA services of zimbra if it's not running ?
Ans> zmprov -l ms +zimbraServiceEnabled mta
Q.6> How to check Zimbra server version which you have to use.
Ans> zmcontrol -v
Release 7.1.1_GA_3196.UBUNTU10_64 UBUNTU10_64 FOSS edition.

Q.7> How to set Forwarder and how much limit for forwarding email id
You can go through Admin penal over GUI interface and select specific user account, edit account and go to Forwarder tab. and you can set Forwarding Email id and Forwarder limit is only 100 ID's.

Q.8> What are key differnces between open source zimbra and network edition of zimbra server?

Ans> Clustering/High-Availability feature is available in network edition of zimbra server. Hot Backup is also possible in zimbra network edition Email Archiving & Discovery is not possible in opensource zimbra server. Real-time backup and restore is also possible in network edition of zimbra server.

Q.9> Is it possible to mix ZCS Open Source Edition accounts with Network Edition accounts in one installation?

Ans> Unfortunately you can not mix them, but there are multiple versions of Network Edition available to meet varying needs.

Q.10> How to take Backup of Zimbra ?
Ans> At first you have to need stop the zimbra services and then rsync /opt/zimbra directory on another backup systems.
eg:-- su zimbra
zmcontrol stop
ps auxww | grep zimbra

rsync -aHz --force --delete live_server:/opt/zimbra/ /opt/zimbra/

Q.11> How much storage does each Zimbra account come with?

Ans> If you are installing ZCS on premise then storage is only limited by how much physical storage space you wish to allocate to each account eg:-- it can be unlimited, 10GB, 2GB 13MB, etc) depending on hardware constraints. The Administration Console allows IT team to easily set up "Class of Service" for the accounts.

Q.12> How to fix quota limit on Zimbra account?
Ans> You can go through Admin penal over GUI interface and select specific user account, edit account and go to Advanced tab. and you can set quota limit.

Q.13> How much create Email account on Zimbra mail server ?
Ans> unlimited..

Q.14> Where is log file of Zimbra ?
Ans> cat /var/log/zimbra.log and also you can view # tail -100f /var/log/mail.log

Q.15> How to Made mirror server for live data sync ?
Ans> Exactly the same version of Zimbra must be installed on both the live and mirror server. To start with we work on the live server. There is no need to stop Zimbra for most of the install. Only a short amount of down-time will need to be scheduled later to perform a final rsync operation between the two servers.

Go As user root....
# apt-get install inotify-tools on both server Main and Mirror server.
service zimbra stop on Mirror server.
# rsync -aHz --force --delete live_server:/opt/zimbra/ /opt/zimbra/
# service zimbra start
service zimbra start
service zimbra status

Q.16 > What happens when my Network Edition 60 day Trial license expires?
Ans> Your basic ZCS features will still be working, but the following occurs:
  • You can no longer add new user accounts
  • Zimbra Mobile and the Zimbra Outlook & iSync Connectors will be disabled
  • Administrators will see an alert message when they log into the Admin console
Q.17> What phones are supported by Zimbra Mobile?
Ans> All Windows Mobile 5 devices Symbian S60 and S80 devices like the Nokia E-Series, Palm devices like the Treo 700P sync natively with Zimbra. (Some require additional 3rd party plugins) Blackberry is supported through a third party partner.

Best of Luck.........