Wednesday, June 5, 2019

DesktopSupport Interview Questions & Answers

    DesktopSupport Interview Questions & Answers

                                                                                              
               1) What is active directory?
    Ans. Active directory authorizes and authenticates all users and computers in a window domain
network, ensuring the security of the computer and software. Through active directory
various functions can be managed like creating admin users, connecting to printers or
external hard drives.
              2) What is DHCP and what it is used for?
   Ans. DHCP stands for dynamic host configuration protocol. It is used to allocate IP addresses to
a large number of the computer system in a network.  It helps in managing the large
number of IP’s very easily.
           3) What is DNS?
Ans . DNS mean Domain Naming Service and it is used for resolving IP addresses to name and
names to IP address. DNS is like a translator for computers, computers understand the
number and not the alphabet. For example, if we type like hotmail.com, the computer don’t
understand this so they use DNS which converts (hotmail.com) into (numbers) and then
executes the command.
          4) What is forward and reverse lookup in DNS?
Ans. When we convert IP address into names is called Reverse lookup, while converting names
into IP address is called Forward lookup
         6) What is ‘A’ record and what is ‘MX record’?
Ans . ‘A’ record is also known as host record, and it has ability to map the IP address by name.
It is with this record that DNS can find out the IP address of a name. While, ‘MX record’ also
known as mail exchanger record, by the help of ‘MX’ record, location of the mail server is
identified.  The record is also found in DNS.
         7) What is IPCONFIG command?      
  Ans . IPCONFIG command is used to display the IP information of the computer
                  assigned like DNS IP address and gateway IP address.           
         8) What would you use to connect two computers without using switches?
Ans. Cross cables are used to connect two computers withou
9) What is a domain?
Ans. Domain is a set of computers which network recognizes by the internet. It can be used by
centrally administer computers. It is created when you install active directory.
        10) Tell me if your system is infected by a virus how you will recover the data?
Ans. You need to re-install another system, latest anti-virus software and an O.S with latest
patches.  Before you start your system, connect the infected HDD as a secondary drive
then scan and clean the infected hard drive. Once done, you can copy the files into the system.
        11) What is the operating system?
Ans. Operating system acts as an interpreter between computer application and hardware. 
It works as an user interface.
       12) Explain about VPN server?
  Ans. VPN means Virtual Private Network. It is a private communications network often used by
companies or organizations to communicate confidentially over a public network.  This is
used by the mobile users in the network.
           13) What is the difference between RAS and VPN server?
Ans. RAS is truly a local area connection between two connections whereas, VPN is a  local
connection spread over large area.
   14)  What is IAS server?
Ans. IAS means Internet Authentication Service. For many types of network access like
wireless, authenticating switch and remote access dial-up they perform accounting and
auditing, centralized connection authentication and authorization.
     15) What is Ping command?
Ans. Between two or more devices, to check the physical IP connectivity Ping command is
used.
      16) What do you mean by clustering? What are the benefits?
Ans. When one or more computers work together as a single system by sharing their
resources is known as clustering.  The benefits of clustering are that it reduces the
load on one single system by sharing the load also it is used for redundancy of the
17) What is a group?
Ans. Group is a collection of the user account. It provides the simplified administration in the
network.
           18) Explain group policy?
Ans. Group policy provides the stream line access to all the users in the network, it can be
used to define the users security and networking policies.  By group policy you can keep
control over certain function like not allowing the users to shut down the system or using
the control panel or running the command. Group policy is applicable on active directory
container like OU, site and Domain.
     19) What is the difference between permission, rights and policy?
Ans. Policy” is assigned on active directory, like site, domain and OU. The “Rights” are assign
to users and groups, whereas, the “Permission” is assigned for network resources like file,
folders and printers.
   20) What is DC and ADC stands for?
     Ans. DC stands for domain controller and ADC stands for additional domain controller.
  ADC is a backup of domain controller. Domain controller is a server that checks the
security measures like user id, password.
          21) What is the difference between DC (Domain controller) and ADC
( Additional Domain Controller)?
Ans. There is one difference between domain controller and additional domain controller, on DC
all five operational roles are available while in ADC only three operational role is available.
         22) What are the operational roles for DC (Domain controller) and ADC
( Additional Domain Controller)?
Ans. Operational roles for DC (Domain controller) are:
  • Domain Naming Master
  • Schema Master
  • RID Master
  • PDC Emulator
  • Infrastructure Master
Operational roles for ADC (Additional Domain Controller) are:
  • PDC Emulator
  • RID Master
  • Infrastructure Master
       23) What is a “Default Gateway”?
Ans. Default gateway is the IP address of the router in the network.  In any case, if the users
wants to switch on to another network, or if they cannot locate their particular network than
their query will be forwarded to default gateway.
24) How you can take backup of emails in ms outlook?
Ans. To take a back-up in the ms outlook, you have to go in control panel. In control panel you
have to go under mail option and then open the data file, select personal folder and click on
open folder. After that, you have to copy .pst and have to paste it wherever you want the
backup.
    25) What is trusting domain and trusted domain?
Ans. In trusting domain resources are available, while in trusted domain user’s account is available.
   26) What is BUS speed?
Ans. The rate of communication speed between microprocessor and RAM is known as BUS speed.
   27) What is B Router?
Ans. B router means Bridge router. To provide communication between two or more different
network like computer to computer or computer to internet, B Router is used.
   28) What is the major difference you can mention about Gateway and Router?
Ans. Gateway works on different network architecture and router works on same network
architecture.
    48) What is SMTP server or POP server?
POP stands for post office protocol. It is basically used for sending and receiving the mail.
SMTP stands for simple mail transfer protocol. It is used for mail receiving purpose in the
network.
 49) How Will You Install Operating System In More Than 50 Pc At A Time When The All
Pcs Having Same Configuration?
Ans. First I install OS in one machine & default software if required than i will create one Ghost Image of that
machine than I will make 49 copies of that Ghost Image DVD & run on all ramain PC, but for this you should
be have ghost software & knowledge of ghost( how to make Ghost bootable DVD/CD & how to use that )
this is a 1 solution another is given below -
Installing over Network:
Here You have to build one distribution server & copy OS's i386 on Distribution Server & install the network client -
this software allows the target computer to connect to distribution server .
The setup programmed copies installation files to target computer & creates set up boot disk. After setup copy
installation files you start the installation from set up boot disk.
      50) How To Install A Pre Existing Printer On A Users Desktop?
Ans . Go to control panel and then go to add hardware wizard After that read all the options carefully. When
system requires software for that, insert the software CD otherwise system will install automatically.
Restart the system.
         51)How To Go Straight To Your Desktop When You Reboot Rather Than Having To Login
Every Time You Reboot Or Turn On Your Computer On?
Ans. First you right click on computer and then click on manage. at that time a window appear. Then go to
local users and groups. Then the total users will appear. Then right click on user name what u r enter
to in. click set password. Just click ok. Next time on words you will be taken directly to desktop
without enter password.
          52)How To Tell If The Print Spool In Running And Where Is It Located? Where Does It
Store Spooled Print Jobs?
Ans. Print spooler is very important service in windows to use printer to print document on local printer or on
network printer if this service stop by any reason printer not working on that pc so need to be start that service
if print show print fails message
And also if u r share any printer on win xp machine and trying to install it on another win7 pc many times it
stop working while installing printer in shared network.

       53) What Is Firewire Port? What Are Its Uses?
Ans. Firewire port is a form of Serial Port that make use of FireWire Technology to transfer data rapidly from one
electronic device to another.
FireWire port has the ability to interact with a number of different devices. For example FireWire can provide an
ideal way to connect a scanner with computer system. Because transfer rate in FireWire port can reach up to
400Mbps, the data transfer is relatively fast and also result in excellent quality.

54)   networking  Command ?
Ans.        ip pc                   : ipconfig
       Ping IP Address      : ping 127.0.0.1
            nslookup         : nslookup www.google .com

55) why use Chkdsk ?
Ans.Windows Check Disk (ChkDsk) is an important tool because it scans and ... To scan
and fix errors  for bad sectors and fix.

 
56) No Hard Drives Found in Windows 7 Installer ?
Ans.  that your drivers are not loaded hence the hard disk cannot be detected. You might
see the hard drive in the BIOS setup but the Windows setup will not be able to find it.
method :  1) clean disk    2) load drivers  3) SATA Mode- ATA to AHCI
                   4) ReseBIOS 5) change sata port  


57)pst file storage ?
Ans.Size limits for different versions of Outlook:
Outlook 2002 and prior versions of Outlook allow you to store data only up to 2 GB of data.
  • Outlook 2003 and 2007 have the size limit of 20 GB.
  • Outlook 2010, Outlook 2013 & Outlook 2016 has file size limit up to 50 GB that can be increased or decreased by applying changes to the Windows registry settings.