Interview experience with Sun Microsystems for iSCSI Testing Team QA Opening
There are four rounds of interviews generally & sometimes more
1. Your resume should be shortlisted by the Sun recruitment team. They get your resume directly through some of the job portals like Monster , Dice , Seek etc or through recruitment consultants.
2. Once your CV is shortlisted you will get an email confirming the time & date scheduled for Telephonic interview - the consultant might also call u to inform this.
3. In telephonic round its mainly to see if u really have all the knowledge what you've put on the resume , but the main focus is to see if you suit their requirement. Most of the time the exact profile match against the job description is hard to get in such case they will recruit you if you have good hands on experience working on similar technology or platform like solaris and storage exposure. Telephonic interview is the first of the nearly 4 rounds.
4. If you satisfy their expectation by answering atleast 60 to 80 % of the interview questions then you will be asked to attend the next round : personal interview( Technical Interview round ) .
In this round main focus is to understand how much you suite their requrement &
- How much knowledgable & flexible you are as a team player
- How good your contributions can be
- How good is your present & prior knowledge skill set
- How fast you can learn & show excellence if you are offered a job
this round will usually by taken by team lead along with some of his team engineers
4. If you answer atleast 50% to 60% of the above second round then you will be asked to take the third round which is also a Technical round and which will generally be on the same day with Engineer members of the team you might work with in future.
These guys will ask questions based on your prior experience and also based on what the new job role expects. if you clear this third round you are almost through. The next one will be the final round or some more rounds may follow which is always based on your interview performance : If you are very good & were able to confidently & correctly answer 80% of the questions in each of the 3 earlier rounds then you suite the job role very well & the recruitment team give very good feedback for you for the succeeding rounds.
5.This rounds may be taken by either a manager or sometimes a lead & a director
So this is crucial where they evaluate your tech skills along with softskills & also you teamplayer nature. They may not go indepth in this round especially for Storage since there are very few Professionals available for hiring so the process will be simple & they just want to know more about you as a potential employee of their organization . So feel comfortable & go through this session with some good interview preparations.
If you clear the above round then there might be very brief HR round where they just take some details & wont go into detailed HRkind of interview . thats the beauty of Sun interview they are keen on knowing your Tech skills & not going to bore you with a lengthy HR round.
So if you suite their expectation & if you are a good teamplayer there are 80% to 90% chances of you getting Sun microsystem's offer letter within a day or a week.
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If you are looking for Interview questions asked specifically in below companies for Storage related job openings ( Storage Implementation Engineer or Storage Support or Storage Testing or Storage QA )
You can get these by email - each company interview question costs $15 each
EMC
IBM
HP
Dell Softwares
Sun Microsystems
VMware
LSI Logic
Symphony Services
The questions were collected from several rounds ( sometimes more than 2 rounds of interviews ) only technical questions are shared - HR or soft skill questions are not covered here
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31) How will you set a default router ?
A) # /etc/defaultrouter
32) How to remove all current routes and assign 192.168.1.100 as default router?
A) # route flush
# route add default 192.168.1.100
33) How to change the network settings ?
A) # sys-unconfig
34) What all does the NVRAM store?
A) Ethernet Address / Host ID / Time of Day (TOD) clock and EEPROM Parameters
35) Where are all the port numbers stored?
A) Port numbers are stored in /etc/services
36) Where are eeprom file stored ?
A) /usr/sbin/eeprom
37) Some important NIS commands :
1) # ypcat hosts à Prints info from hosts database
2) # ypmatch host1 hosts à Match individual host entries
3) # ypmatch user1 passwd
4) # ypwhich à Returns NIS master server.
38) Controlling the tape drive ?
1) mt –f /dev/rmt/0n à ‘n’ indicates no rewind.
39) What are the network utilities ?
1) snoop à To capture network packets & display contents
2) netstat –i à Displays state of Ethernet address
3) ndd command à Set & examine kernel parameters namely TCP/IP drivers.
40) Network Configuration :
1) /etc/resolv.conf : Contains Internet domain name, name server and search order.
2) /etc/nsswitch.conf : Specifies information source from files, NIS, NIS+ or DNS
3) /etc/hostname.[int](hme0|eri0|le0] : IP v4 host
4) /etc/nodename : IP v6 host
5) /etc/inet/hosts : Host namefile (/etc/host links to this file)
6) /etc/inet/netmasks : TCP/IP subnet router
7) /etc/inet/protocols : Network protocols
8) /etc/inet/services : Network service name & port numbers
9) /etc/notrouter : Create this file to prevent in.routed or in.rdiscd from starting at boot time
10) /etc/inet/inetd.conf : Internet super daemon config file
11) To change hostname / ip address :
/etc/hostname.{int}(hme0|le0)
/etc/nodename
/etc/inet/hosts
/etc/net/*/hosts
/etc/defaultrouter
/etc/resolv.conf
41) How to configure interfaces at boot time>
A) /etc/rcS.d/s30network.sh file à This script is run each time system is booted. It uses ifconfig utility to configure each interface with IP add & other network info.It searches for files called : hostname.xxn in /etc where xx à int type & nà instance of interface.
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11) Which command displays the system configuration information?
A) prtconf
12) Which command is used to configure newly attached hardware ?
A) devfsadm –c where
13) What are the different types of “file systems” in Solaris?
A) There are 3 Types of file system :
13.A.1) Disk based : ufs (standard unix), hsfs (cd-rom), pcfs (Floppy)
Or udf (DVD and CD Rom)
13.A.2) Distributed : NFS (enables sharing of files between many types of n/w)
13.A.3) Pseudo : tmpfs (temporary), swapfs , fdfs, procfs
14) What is a “boot block”?
A) The bootstrap program (bootblk) is found in the next 15 disk sectors. Only the “root” file system has an active boot block, although the space is allocated for boot block at the beginning of each file system.
15) What is “superblock”?
A) The file system is determined by its superblock. It is contained in the 16 disk sectors following the boot block. It contains :
· No. of data blocks
· No.of cylinder groups
· Size of data block fragment
· Description of hardware
· Name of mount point
· File system state flag ( clean , stable , active , logging or unknown)
16) How will you repair the main superblock if it gets corrupted?
A) Every file system has backup superblock at block no.32, which can be given to fsck to repair the main superblock.
# fsck –o b=32 /dev/rdsk/c0t0d0s0
17) How to create new file systems ?
A) newfs /dev/rdsk/c0t0d0s0
18) How will you restore /etc/vfstab file if it gets corrupted?
A) Step 1 : Insert Solaris CD 1 of 2
Step 2 : Go to single user mode : ok boot cdrom –s
Step 3 : Run “fsck” on /(root) partition : # fsck /dev/rdsk/c0t0d0s0
Step 4 : Mount /(root) file system on /a directory to gain access to file system
# mount /dev/dsk/c0t0d0s0 /a
Step 5 : Set & export TERM variable
# TERM=sun
# export TERM
Step 6 : Edit /etc/vfstab file and remove the incorrect entry : # vi /a/etc/vfstab
Step 7 : Unmount the file system : # cd / ; # umount /a and reboot the system.
19) How will you share user’s home directory?
A) Step 1 : Login as root and verify mountd daemon is running
# ps –ef | grep mountd
Step 2 : If the daemon is not running start it :
# /etc/init.d/nfs.server start
Step 3 : List all shared filesystems
# share
Step 4 : Edit the /etc/dfs/dfstab file and add :
# share –F nfs /export/home
Step 5 : Share the file systems in the /etc/dfs/dfstab file :
# shareall –F nfs
Step 6 : Verify that the home directory is shared.
# share
20) What does /etc/inittab file contain ?
A) The /etc/inittab contains the systems default run level, processes to start/monitor
or restart. It also contains the actions to be taken when run level changes.
/etc/inittab file is in foll format :- id:rstate:action:process
Thanks Dushyant (scorpio) for sharing these interview questions
