Networking Interview Questions
What are general middleware?
what is CLIENT/SERVER
What are the functions of the typical server program?
What are super servers?
What is .OST file?
what are the important topologies for networks?
What is a pseudo tty?
Under what situations a packet can go into infinite loop in a network ?
Name any field of ip header that can prevent a packet to loop infinitely ?
What is the minimum and maximum length of the header
What is multicast routing?
what is beaconing?
What is the difference between routable and non- routable protocols?
What is the main purpose for creating this osi model?
What is BROUTER?
what is sub netting? Why is it used?
What is the difference between the communication and transmission.
What are the types of transparencies?
What are the five major technologies that can be used
What are the types of servers?
What is the ROUTER?how it is work?
What is meant by asymmetrical protocols?
What is the default subnet mask for an ipv6 address ?
How gateway is different from routers?
what is a vlan?what does vlan provide?
What is external data representation?
What is the difference between interior and exterior neighbor gateways?
What is SLIP (serial line interface protocol)?
What is the difference between pop3 and imap mail server?
What is attenuation?
Difference between the communication and transmission?
What is wide-mouth frog?
What are the advantages and disadvantages of the three types of routing tables?
Name three network tools used to determine where a network
What is NETBIOS and NETBEUI?
What is source route?
What is ICMP?
What does CIDR stand for?
What is the network time protocol?
What is a bridge?
What is a TP monitor?
Tuesday, October 30, 2007
IMP -> Shell Scripting Interview Questions
Shell Scripting Interview Questions
What is Path variable?
What is MUTEX?
What are special characters?
How do you schedule a command to run at 4:00
What is the use of Path variable?
What is the need of including script interpreter
What does $# stand for?
What are environment variables?
What is the syntax of "grep" command?
How to create environment variables?
Explain how does text varies by the usage of single quotes
What is egrep?
How would you replace the n character in a file with some xyz?
What are the different shells available?
What are the additional egrep symbols?
What is the difference between a variable and value?
What is the use of "exec" command?
What is "umask"?
What is the use of "shift" command in passing parameters?
What is the difference between a 'thread' and a 'process'?
How will you list only the empty lines in a file?
What is the use of "test" command?
What is use of "cut" command?
How do you read arguments in a shell program - $1, $2 ..?
How to change our default shell?
How to print some text on to the screen?
What does it denotes in shell scripting if text
Write a shell script to identify the given string
How to customize the other shell?
What are the different methods available to
How to group the commands in shell scripting?
What is the difference between writing code
What is the difference between a shell variable
How to customize the existing shell?
What are the conditions for creating variables?
How to take input values from the user?
What is the syntax of "expr" command?
What are the three main forms of enabling
What is INODE?
What are the different kinds of loops available
What are the advantages of bash over all other shells?
When we login into our account which files are
How to include comments in your shell scripts?
What is the use of script interpreter in shell scripting?
What is the basic difference you find between
What are the Different types of shells?
When you login to a c shell, which script would
How to make user defined variables to available
How to modify the PATH variable and make it executable?
How to declare functions in UNIX shell script?
What is Path variable?
What is MUTEX?
What are special characters?
How do you schedule a command to run at 4:00
What is the use of Path variable?
What is the need of including script interpreter
What does $# stand for?
What are environment variables?
What is the syntax of "grep" command?
How to create environment variables?
Explain how does text varies by the usage of single quotes
What is egrep?
How would you replace the n character in a file with some xyz?
What are the different shells available?
What are the additional egrep symbols?
What is the difference between a variable and value?
What is the use of "exec" command?
What is "umask"?
What is the use of "shift" command in passing parameters?
What is the difference between a 'thread' and a 'process'?
How will you list only the empty lines in a file?
What is the use of "test" command?
What is use of "cut" command?
How do you read arguments in a shell program - $1, $2 ..?
How to change our default shell?
How to print some text on to the screen?
What does it denotes in shell scripting if text
Write a shell script to identify the given string
How to customize the other shell?
What are the different methods available to
How to group the commands in shell scripting?
What is the difference between writing code
What is the difference between a shell variable
How to customize the existing shell?
What are the conditions for creating variables?
How to take input values from the user?
What is the syntax of "expr" command?
What are the three main forms of enabling
What is INODE?
What are the different kinds of loops available
What are the advantages of bash over all other shells?
When we login into our account which files are
How to include comments in your shell scripts?
What is the use of script interpreter in shell scripting?
What is the basic difference you find between
What are the Different types of shells?
When you login to a c shell, which script would
How to make user defined variables to available
How to modify the PATH variable and make it executable?
How to declare functions in UNIX shell script?
IMP -> UNIX Interview Questions
UNIX Interview Questions
What is pid ?
What does a process mean ?
Explain UNIX System Kernel ?
What is a zombie ?
Explain ‘UNIX is a portable os' ?
What is the difference between a soft link and
WHAT is kernel ?
What happens when you execute a command ?
WHAT is the use of "fg" command ?
What is iostat ?
What is IPC ?
What is the procedure of "at" and crontab" commands ?
What are threads ?
What does the “route” command do ?
What is Fork swap ?
How do you remove a crontab file ?
How to recover a system whose root password has lost ?
What is a FIFO ?
How do you execute one program from within another ?
How to create hardlinks and softlinks on files ?
What is the difference between physical addresses
What is an inode ?
What is the significance of "su" command ?
How to list only the directories inside a directory ?
WHAT is the very first process created by kernel ?
What are Profilers ?
What is the command to edit contents of the file ?
What are the main families of threads ?
What is tar command ?
Which command is used to stop a running process in UNIX ?
How to view the hidden files in /etc directory ?
What is egrep ?
What is the command that will make the file "run.sh" executable ?
What is the use of uniq command ?
WHAT is the use of wild cards ?
What are default permissions for others in a file ?
What is netstat ?
Explain fork () system call ?
What is a Map ?
What do you understand by 'building block primitive' ?
What is 'inode' ?
What is a Daemon ?
What are the UNIX system calls for I/O ?
What are processor execution levels and priorities ?
How do you execute UNIX commands in VI editor ?
How to connect oracle database from UNIX
How do you find out all processes that are currently
What is Scheduling ?
What is the use of command 'wc' ?
How to get the operating system's information in UNIX ?
How to remove weird filenames ?
What are the files in /etc directory ?
What does inetd do ?
How to copy multiple files and directories into
What command will bring user back to their home
What are filters ?
What is a level 0 backup ?
How do you install Oracle software on UNIX ?
What is a Region ?
What is the difference between interrupts and exceptions ?
What is the use of pipes ?
Explain the Write permission on a UNIX directory ?
What is telnet ?
WHAT is the functionality of kernel in UNIX architecture ?
What is the syntax of grep command and What is its use ?
What is a file system ?
What are wild cards ?
What are the different commands used to view
What is a pipe ?
WHAT is the condition required for dead lock in UNIX system ?
What are the events done by the Kernel ?
What are the different kinds of threads ?
How do you log in to a remote UNIX box ?
WHAT are the uses of filters ?
How will you add a user account from command line ?
What is the use of "test" command in UNIX ?
What Command will remove a Directory in UNIX ?
Explain the execute permission on a UNIX directory ?
What is the command to kill a process ?
What scripting languages do you know ?
What is the difference between commands cmp and diff ?
WHAT is the use of nice command ?
How to rename files and folders ?
What is an incremental backup ?
What is vmstat ?
How do you create special files like named pipes
What is the difference between Swapping and Paging ?
What is Expansion swap ?
What is the difference between multi-tasking,
What command is used to replace the existing
What is the command to display space usage on
What is the difference between internal and
What is Critical section ?
How to identify whether a file is normal file or directory ?
What is RAID 1+0 ?
What UNIX command will control the default file
What about the initial process sequence while
What do you mean by nice value ?
Which command will you use to change the
How does a user get the current date, time in UNIX ?
What steps are required to perform a bare-metal recovery ?
Explain about fork() ?
What are the processes that are not bothered by the swapper ?
What is virtual machine ?
How do you move a process Which is running background to foreground ?
What is the basic difference between UNIX and
How does the user view the contents of a text file in UNIX ?
What is the command to list files in a directory in UNIX ?
What is the difference between > and >> operators ?
What is the function of grep command ?
How to redirect standard error to a file ?
WHAT is shell ?
What are the read or write or execute bits on a
How can you get or set an environment variable
What are the various schemes available in IPC ?
How do you know about running processes of a
What is the Command that will move a single file called "UNIX.txt"
How would you change all occurrences of a value using VI ?
What is Context switch ?
Which command is used to change group ?
WHAT are the different commands used to create files ?
How to put a job in background & bring it to foreground ?
What are the mount and unmount system calls ?
How to setup display for a remote system ?
How do you copy a directory with many files and
What is the command to remove directory with files ?
What does init do ?
What is the difference between relative path and
What is the difference between "cron" commands
How to delete a directory containing files and folders ?
What is the difference between grep & find ?
How would you change all occurrences of a value using VI ?
What is an advantage of executing a process in background ?
What is the advantage of each user having its
Write a command to find all of the files Which have
What Command is used to make a directory ?
What is the command to get help on a UNIX terminal ?
What are the different types of tar commands ?
WHAT is the use of "grep" command ?
How do you change your account's password ?
What does iostat do ?
How can a parent and child process communicate ?
What are various IDs associated with a process ?
How do you find path of a directory ?
What command a user use to view a long text file
What is the command to list all files in a directory,
What is setuid/setgid in relation to file permissions ?
What is the use of ‘tee’ command ?
WHICH command is used to identify the type of the file ?
What are the main differences between Apache 1.x and 2.x ?
What is the command to view contents of a large
What is the command to find out the difference
What does the second field denotes in UNIX file permissions ?
What are the differences between CUI and
WHAT is a profile ?
WHAT is the process id for kernel process ?
How does the inode map to data block of a file ?
What is the system calls used for process management ?
What is the main advantage of creating links to a
What command is used to execute system calls from exe ?
How do you execute a UNIX command in the background ?
What does mknod do ?
How to convert a hidden file to normal visible file ?
WHAT are the different operating systems available ?
WHAT happens when we create a file system ?
How do you list the files in an UNIX directory while
How are devices represented in UNIX ?
What do you mean by user area or user block ?
What is the difference between user mode and kernel mode ?
How to get a particular string as your prompt ?
What are raw sockets ?
What command would users use to see What file
How to copy file into directory in UNIX ?
What is the command to find out Which shell you are running ?
Explain the read permission on a UNIX directory ?
What are the process states in UNIX ?
What is the difference between paging and swapping ?
Explain about term 'de-mountable volumes' ?
What is pid ?
What does a process mean ?
Explain UNIX System Kernel ?
What is a zombie ?
Explain ‘UNIX is a portable os' ?
What is the difference between a soft link and
WHAT is kernel ?
What happens when you execute a command ?
WHAT is the use of "fg" command ?
What is iostat ?
What is IPC ?
What is the procedure of "at" and crontab" commands ?
What are threads ?
What does the “route” command do ?
What is Fork swap ?
How do you remove a crontab file ?
How to recover a system whose root password has lost ?
What is a FIFO ?
How do you execute one program from within another ?
How to create hardlinks and softlinks on files ?
What is the difference between physical addresses
What is an inode ?
What is the significance of "su" command ?
How to list only the directories inside a directory ?
WHAT is the very first process created by kernel ?
What are Profilers ?
What is the command to edit contents of the file ?
What are the main families of threads ?
What is tar command ?
Which command is used to stop a running process in UNIX ?
How to view the hidden files in /etc directory ?
What is egrep ?
What is the command that will make the file "run.sh" executable ?
What is the use of uniq command ?
WHAT is the use of wild cards ?
What are default permissions for others in a file ?
What is netstat ?
Explain fork () system call ?
What is a Map ?
What do you understand by 'building block primitive' ?
What is 'inode' ?
What is a Daemon ?
What are the UNIX system calls for I/O ?
What are processor execution levels and priorities ?
How do you execute UNIX commands in VI editor ?
How to connect oracle database from UNIX
How do you find out all processes that are currently
What is Scheduling ?
What is the use of command 'wc' ?
How to get the operating system's information in UNIX ?
How to remove weird filenames ?
What are the files in /etc directory ?
What does inetd do ?
How to copy multiple files and directories into
What command will bring user back to their home
What are filters ?
What is a level 0 backup ?
How do you install Oracle software on UNIX ?
What is a Region ?
What is the difference between interrupts and exceptions ?
What is the use of pipes ?
Explain the Write permission on a UNIX directory ?
What is telnet ?
WHAT is the functionality of kernel in UNIX architecture ?
What is the syntax of grep command and What is its use ?
What is a file system ?
What are wild cards ?
What are the different commands used to view
What is a pipe ?
WHAT is the condition required for dead lock in UNIX system ?
What are the events done by the Kernel ?
What are the different kinds of threads ?
How do you log in to a remote UNIX box ?
WHAT are the uses of filters ?
How will you add a user account from command line ?
What is the use of "test" command in UNIX ?
What Command will remove a Directory in UNIX ?
Explain the execute permission on a UNIX directory ?
What is the command to kill a process ?
What scripting languages do you know ?
What is the difference between commands cmp and diff ?
WHAT is the use of nice command ?
How to rename files and folders ?
What is an incremental backup ?
What is vmstat ?
How do you create special files like named pipes
What is the difference between Swapping and Paging ?
What is Expansion swap ?
What is the difference between multi-tasking,
What command is used to replace the existing
What is the command to display space usage on
What is the difference between internal and
What is Critical section ?
How to identify whether a file is normal file or directory ?
What is RAID 1+0 ?
What UNIX command will control the default file
What about the initial process sequence while
What do you mean by nice value ?
Which command will you use to change the
How does a user get the current date, time in UNIX ?
What steps are required to perform a bare-metal recovery ?
Explain about fork() ?
What are the processes that are not bothered by the swapper ?
What is virtual machine ?
How do you move a process Which is running background to foreground ?
What is the basic difference between UNIX and
How does the user view the contents of a text file in UNIX ?
What is the command to list files in a directory in UNIX ?
What is the difference between > and >> operators ?
What is the function of grep command ?
How to redirect standard error to a file ?
WHAT is shell ?
What are the read or write or execute bits on a
How can you get or set an environment variable
What are the various schemes available in IPC ?
How do you know about running processes of a
What is the Command that will move a single file called "UNIX.txt"
How would you change all occurrences of a value using VI ?
What is Context switch ?
Which command is used to change group ?
WHAT are the different commands used to create files ?
How to put a job in background & bring it to foreground ?
What are the mount and unmount system calls ?
How to setup display for a remote system ?
How do you copy a directory with many files and
What is the command to remove directory with files ?
What does init do ?
What is the difference between relative path and
What is the difference between "cron" commands
How to delete a directory containing files and folders ?
What is the difference between grep & find ?
How would you change all occurrences of a value using VI ?
What is an advantage of executing a process in background ?
What is the advantage of each user having its
Write a command to find all of the files Which have
What Command is used to make a directory ?
What is the command to get help on a UNIX terminal ?
What are the different types of tar commands ?
WHAT is the use of "grep" command ?
How do you change your account's password ?
What does iostat do ?
How can a parent and child process communicate ?
What are various IDs associated with a process ?
How do you find path of a directory ?
What command a user use to view a long text file
What is the command to list all files in a directory,
What is setuid/setgid in relation to file permissions ?
What is the use of ‘tee’ command ?
WHICH command is used to identify the type of the file ?
What are the main differences between Apache 1.x and 2.x ?
What is the command to view contents of a large
What is the command to find out the difference
What does the second field denotes in UNIX file permissions ?
What are the differences between CUI and
WHAT is a profile ?
WHAT is the process id for kernel process ?
How does the inode map to data block of a file ?
What is the system calls used for process management ?
What is the main advantage of creating links to a
What command is used to execute system calls from exe ?
How do you execute a UNIX command in the background ?
What does mknod do ?
How to convert a hidden file to normal visible file ?
WHAT are the different operating systems available ?
WHAT happens when we create a file system ?
How do you list the files in an UNIX directory while
How are devices represented in UNIX ?
What do you mean by user area or user block ?
What is the difference between user mode and kernel mode ?
How to get a particular string as your prompt ?
What are raw sockets ?
What command would users use to see What file
How to copy file into directory in UNIX ?
What is the command to find out Which shell you are running ?
Explain the read permission on a UNIX directory ?
What are the process states in UNIX ?
What is the difference between paging and swapping ?
Explain about term 'de-mountable volumes' ?
IMP -> WINDOWS Interview Questions
WINDOWS Interview Questions
Which one is not needed for Multi-program environment?
When is Marshalling not necessary?
What are Named Objects?
What is the difference between child domain
How do you declare an object in VB script?
Name few functions that create Kernel Objects?
What is semaphores and why it is used?
What NT stands for in Windows NT?
What would a rise in remote queue length generally indicate?
What is signaled and non signaled state?
What is reason for system automatically restarted?
What is event driven?
What we have to do when receiving some error
What 3 types of domain controller does Exchange access?
What is Mutex Object?
Describe a two tier Windows NT Domain?
How does the kernel object outlive the process that created it?
What are the different file systems in windows?
What is the maximum amount of databases that
What are rings in Windows NT?
What Exchange process is responsible for
How to identify the difference between the kernel
How to Kill a Particular Process in windows?
What does find command do?
What are the required components of Windows Server 2003
Can User access these kernel objects structures?
What is the use of Mutex Object?
What is Marshalling?
What is Duplicate Handle?
How the messages are processed in Windows?
How does Kerberos work?
What would a rise in the Local Delivery queue
What are the sub-components of I/O manager in Windows NT?
What is Kerberos? Which version is currently used by Windows?
What connector type would you use to connect
What are the four layers that Windows NT has in
What is FAT?
What is mean by 32 and 64 bit application?
How to change the IP Address of the system in
What is problem if network card only sent packets,
How would you optimize Exchange 2003 memory
Which is the data member common to all the kernel
What are parameters needed to distinguish an event?
What are the differences between Win 2000 Server
What must be done to an AD forest before Exchange
What are the disadvantages of circular logging?
Which one you will use to implement critical section?
What are the three file types in NT ?
What level of security does Windows NT meets?
What service has to run for running printer spooler
What are the standard port numbers for SMTP,
What is the purpose of Process Handle Table?
What is the key advantage of Windows NT
What is a kernel object?
What is Executive in Windows NT?
What is the difference between widget & gadget in Windows?
Which one is not needed for Multi-program environment?
When is Marshalling not necessary?
What are Named Objects?
What is the difference between child domain
How do you declare an object in VB script?
Name few functions that create Kernel Objects?
What is semaphores and why it is used?
What NT stands for in Windows NT?
What would a rise in remote queue length generally indicate?
What is signaled and non signaled state?
What is reason for system automatically restarted?
What is event driven?
What we have to do when receiving some error
What 3 types of domain controller does Exchange access?
What is Mutex Object?
Describe a two tier Windows NT Domain?
How does the kernel object outlive the process that created it?
What are the different file systems in windows?
What is the maximum amount of databases that
What are rings in Windows NT?
What Exchange process is responsible for
How to identify the difference between the kernel
How to Kill a Particular Process in windows?
What does find command do?
What are the required components of Windows Server 2003
Can User access these kernel objects structures?
What is the use of Mutex Object?
What is Marshalling?
What is Duplicate Handle?
How the messages are processed in Windows?
How does Kerberos work?
What would a rise in the Local Delivery queue
What are the sub-components of I/O manager in Windows NT?
What is Kerberos? Which version is currently used by Windows?
What connector type would you use to connect
What are the four layers that Windows NT has in
What is FAT?
What is mean by 32 and 64 bit application?
How to change the IP Address of the system in
What is problem if network card only sent packets,
How would you optimize Exchange 2003 memory
Which is the data member common to all the kernel
What are parameters needed to distinguish an event?
What are the differences between Win 2000 Server
What must be done to an AD forest before Exchange
What are the disadvantages of circular logging?
Which one you will use to implement critical section?
What are the three file types in NT ?
What level of security does Windows NT meets?
What service has to run for running printer spooler
What are the standard port numbers for SMTP,
What is the purpose of Process Handle Table?
What is the key advantage of Windows NT
What is a kernel object?
What is Executive in Windows NT?
What is the difference between widget & gadget in Windows?
IMP -> LINUX Interview Questions
LINUX Interview Questions
What text filter can you use to display a binary
How can you find configuration on Linux?
What utility can you use to automate rotation of logs?
What file should you examine to determine the
Where standard output is usually directed?
Which distro you prefer?
What is the minimum number of partitions you need
Explain about TAR Command?
What is LILO?
What are RPM’s?
Which Linux distros do you have experience with?
How can you see all mounted drives?
What command can you use to review boot messages?
What does ‘route’ command do?
What is the difference between TCP and UDP
What is the complete name of the default configuration
How you will uncompress the file?
What are the Advantages and disadvantages of
What utility should use to create a compressed
What is the most graceful way to get to run level
What is the difference between home directory
Set the Display automatically for the current new user?
What does the top command display?
Why have you chosen such a combination of products?
How does the boot process [init levels] work on Linux?
Display the Disk Usage of file sizes under each
What is the difference between an argument and an option/switch?
What is the name and path of the main system log?
What text filter can you use to display a binary
How can you find configuration on Linux?
What utility can you use to automate rotation of logs?
What file should you examine to determine the
Where standard output is usually directed?
Which distro you prefer?
What is the minimum number of partitions you need
Explain about TAR Command?
What is LILO?
What are RPM’s?
Which Linux distros do you have experience with?
How can you see all mounted drives?
What command can you use to review boot messages?
What does ‘route’ command do?
What is the difference between TCP and UDP
What is the complete name of the default configuration
How you will uncompress the file?
What are the Advantages and disadvantages of
What utility should use to create a compressed
What is the most graceful way to get to run level
What is the difference between home directory
Set the Display automatically for the current new user?
What does the top command display?
Why have you chosen such a combination of products?
How does the boot process [init levels] work on Linux?
Display the Disk Usage of file sizes under each
What is the difference between an argument and an option/switch?
What is the name and path of the main system log?
IMP -> OS Networking Security Interview Questions
Solaris Administration Interview Questions
What does ndd do?
Solaris kernel name
What is VTS?
What does fmthard do?
What is RPC?
What does init 0 do?
What is the difference between NFS version 2
What is jumpstart?
How do you view shared memory statistics?
What is JASS?
What is LOM and how do you access it?
How many run level in Solaris?
How can you set EEPROM settings from Solaris?
What is RPC?
If you mistype a password, how do you clear it out
How do you create a Solaris package?
How do you boot from CD-ROM?
What is uadmin and what does it do?
What is OBP and how do you access it?
What is the difference between NFS version 2
If you try to send an e-mail to someone and the
What does the pkgadd command do?
What does init 5 do?
Are kernel parameters tunable during runtime?
What are the differences between Solaris and Sun OS?
How do you get system diagnostics information?
How to recover root password?
How do you give a user access to an application or
How do you boot from a Network with jumpstart?
How to stop the process using process name
What is the process for reconfigure the kernel?
What is meant by jumpstart?
What is an alternative to the “top” command on Solaris?
What does ndd do?
Solaris kernel name
What is VTS?
What does fmthard do?
What is RPC?
What does init 0 do?
What is the difference between NFS version 2
What is jumpstart?
How do you view shared memory statistics?
What is JASS?
What is LOM and how do you access it?
How many run level in Solaris?
How can you set EEPROM settings from Solaris?
What is RPC?
If you mistype a password, how do you clear it out
How do you create a Solaris package?
How do you boot from CD-ROM?
What is uadmin and what does it do?
What is OBP and how do you access it?
What is the difference between NFS version 2
If you try to send an e-mail to someone and the
What does the pkgadd command do?
What does init 5 do?
Are kernel parameters tunable during runtime?
What are the differences between Solaris and Sun OS?
How do you get system diagnostics information?
How to recover root password?
How do you give a user access to an application or
How do you boot from a Network with jumpstart?
How to stop the process using process name
What is the process for reconfigure the kernel?
What is meant by jumpstart?
What is an alternative to the “top” command on Solaris?
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