150 interview question santhosh

8/6/2019 150 Interview Question Santhosh

1/9

JETKING

GET READY FOR THE INDUSTRY

1. What is hardware?

A) The physical components of a system which can to touched and feel is called hardware

2. What is cache memory? And its types?

A) It is small and fast memory which stores the data that is required for the processor for

processing.

B) L1, L2 &L3.

3. What is thedifference between DDR1, DDR2 & DDR3?

4. What is thedifference between core2duo anddual core?

DUAL CORE: separate cache memory for each core.

CORE 2 DUO: shared cache for both cores.

5. Name someprocessor manufactures?

Intel, AMD.

AMD: AdvancedMicro Devices

6. Whatarethelatestprocessor of Inteland AMD?

7. What is file system andwhat is theexample forthe same?

It defines the way in which files or folders are named, stored and organized.

FAT (File Allocation Table), FAT32 & NTFS (New Technology File System)

8. What is thedifference between FAT32and NTFS?

9. Converting NTFS to FAT?

Conver driveletter:/fs ntfs (Example: convert c:/fs ntfs)

DDR 1 DDR 2 DDR 3

VOLTAGE 2.5 1.8 1.5

PINS 184 240 240

FSB

266/333/400

MHz 533/667/800MHz 1066/1333/1600/1866MHz

FAT 32 NTFS

Cluster 4KB Cluster 4KB

No securityand quota options

areavailable in this file

system.

Securityand quota options

areavailable in this file

system.

4tb(tera byte)volume size

volume size can be of

16eb(exa byte)

Max file size is 4GB Max file 16TB minus 64KB


2/9

10.Whatdo you mean by formatting and its types?

It is a process of erasing data or creating tracks and sectors and selecting the file system is called

formatting.

Low level formatting and high level formatting.

Low level formatting: creating tracks and sectors is called low level formatting and it is also

called as physical formatting.

High level formatting: selecting the file system is called high level formatting and it is also called

as logical formatting.

11.How many USB devices can a singlepc support?

127

12.How many PCI devices can weattachto singlepc?

It depends upon the mother board manufactures.

13.Whatdo you mean bytrack, sectorand cluster?

Concentric circles on the disk are called tracks.

Sector is the part of track and the size of the sector is 512bytes.

Cluster is a group of sectors.

14.What is the size of sector?

512 bytes

15.What is MBR andwhatdoes it contains?

MBR stands for Master Boot Record.

First sector of the hard disk is calledMBR.

It contains list of bootable files of O.S and partition information.

16.Whatdo you mean by SMPS?What is the function of SMPS? List outthedifferent voltages

given by SMPS?

SMPS (Switch Mode Power Supply): it is used to convert AC to DC.

Voltage

17.List outthedifferent connectors of SMPS and its uses?

Molex, ATX 20/24pin, Mini plug 4pin, Mini or Berg 4pin, SATA power connector.

18.What is BUS?

BUS is the interface through which data is transferred.

19.What is FSB & BSB?

FSB (Front Side Bus): it is the path used by the processor to communicate with RAM.

BSB (Back Side Bus): it is the path between L2 cache and L3 cache

20.Whatdo you mean by jumper setting in IDE devices?

It is used to set master and slave configuration.

Blue white black orange red yellow

-12 V -5 V 0 +3.3 V +5 V +12 V


3/9

21.What is thedifference between IDE & SATA?

IDE(Interated Drive Electronic)

SATA(Serail Advanced

Technology

Aattachment)

it has 40 pin it is 7 pin

it transfer the data 16bit at a time

with a spped of 100/133Mbps

it transfer the data 1

bit at a time with a

speed of 600Mbps

we can connect 2 IDE devices to

single cable

we can connect 1

device for one cable

max IDE cable length is 45CM

max SATA cable length

is 1M

22.Whatdo you mean by RAID and its types?

RAID (RedundantArray of Inexpensive Disk) or (Redundant Array of IndependentDisk): it is used

for fault tolerance.

Fault Tolerance provides continuous availability for data.

23.What is the speed of USB 2.0 and USB3.0?

480Mbps and 5000Mbps.

24.List outthedifferent I/O ports of mother boardwithuses and no ofpins?

25.What is BIOS andwhat is the function of BIOS?

BIOS (Basic Input Output System)

The BIOS software is built into the PC, and is the first code run by a PC when powered on ('boot

firmware').

The primary function of the BIOS is to set up the hardware and load and start an operating

system

26.What is the function of Northbridgeand south bridge?

North Bridge: it controls the communication between RAM, AGP and processor.

South bridge: it controls the communication between other parts of the mother board.

27. My monitordisplaya message Please check signal cablewhat might beproblem andhowto

troubleshoottheproblem?

VGA cable not connected, VGA cable problem, VGA port problem, RAM or RAM slot problem.

Note: if the monitor is displaying frequency out of range or HZ symbol then problem with

resolution.

28.My monitordisplaya message Disk boot failure or insert boot mediaand selectproper

bootdevicewhat might beproblem andhowto troubleshoottheproblem?

Hard disk power or data cable is not connected.

IDE/SATA on board interfaces may be disable in BIOS.

O.S not available.

29.Mypc is continuouslyrestarting what might betheproblem?

Virus.

VIRUS stands for (Vital Information Resource Under Seize)


4/9

30.Mypc is restarting after certain time?What might betheproblem?

Overheating. Apply heat sink paste also called as thermal compound and also check CPU fan.

31.What is firewireport? IEEE standard for firewire?

It is used to transfer videos and photos at high speed.

IEEE standard for fire wire is IEEE 1394a(400Mbps) and IEEE 1394b(800mbps)

32.Whatare IRQlines?

IRQ(Interrupt ReQuest) lines: this are the lines used by the processor to communicate with the

other devices.

33.What is thedifference between IDE and SCSI?

IDE(Interated Drive Electronic)

SCSI(SmallComputer System

Interface)

it has 40 pin 58,68 and 80pin

hard disk rotation speed is 7200RPM

hard disk rotation speed is 1000 to

15000RPM

data transmission speed is 100/133Mbps

data transmission speed is

320Mbps.

we can connect 2 IDE devices to single cable

it depends up on the cable. Max 32

devices

max IDE cable length is 45CM max SATA cable length is 25M

34.What is SCSI?

Small Computer System Interface35.MODEM stands for?What is the function of modem?

MODEM stands for Modulation and Demodulation.

MODEM is used to convert digital signal to analog signal and vice versa.

36.Blue screen ofdeathwhat might beproblem?

It may be problem drivers compatibility or RAM problem or Bad sectors.

37.Edition of OS(XP,Vista& WIN 7)

XP VISTA WINDOWS-7

XP-Home home basic Starter

XP-Professional

home

premium home basic

Business home premium

enterprise professional

Ultimate business

enterprise

ultimate


5/9

38.Min requirementto install operating system

RECOMDED XP forall VISTA forall

WINDOWS-7 for

all

RAM 128MB 1 GB 1 GB

PROCESSOR 300MHz 1.0GHz 1.0GHzHARDDISK 2GB 15 GB 15 GB

39.Types ofuser Accounts ?

Administrator, standard and guest.

40.What is kernel?What is the kernel file forwindows?

Kernel is the interface between hardware and O.S

NTOSKRNL is the kernel files for windows.

41.What is shell?

Shell is the interface between kernel and hardware.

42.Whatdo you mean by booting?Booting is the process of downloading OS form hard disk to RAM.

43.Whatdo you mean by cold booting andworm booting?

Cold booting: Starting the computer by turning power on is called cold booting.

Warm booting: Restarting the computer by performing a reset operation (pressing reset, Ctrl-

Alt-Del, etc.) while the computer is still turned on

44.Whatdo you mean bydual booting?

It is the process of selecting operating system is called dual booting if multiple O.S is installed.

45.Whatarethe bootable files for XP, VISTA & WINDOWS-7?

XP: NTLDR, Boot.ini

VISTA & WINDOWS-7: Bootmgr, winresume.exe and winload.exe46.Howto updatewindows?

Control panel security setting windows update

47.Whatdo you mean byupdates?

Process of downloading new features is called updates.

48.What is the I.E version of XP, VISTA & WIN-7?

XP-6.0, VISTA-7.0 and WIN-7 8.0

49.Whatdoes u mean by servicepack?

Service pack is a collection of updates and hot fixes.

A hot fix is code (sometimes called a patch) that fixes a bug in a product

a bug is a coding error in a computer program.50.What is antivirus? Types ofantivirus?

Antivirus is a program which is used to detect and delete the virus.

51.What is thedifference between remotedesktopandremoteassistance?

By using remote desktop only single user can interact with the desktop where as in remote

assistance both users can interact with same desktop.


6/9

52.What is Backup? Types of backups?

Creating a duplicate copy of an existing data is called backup.

XP: normal backup, daily backup, copy backup, incremental backup and differential backup.

Vista/win-7: normal and incremental backup.

53.What is thedifference between incrementalanddifferential backup?

Incremental backup takes more time for backup and restoration is fast where as in differential

backup it takes less time for backup and more time for restoration.

54.What is thedifference between backupand copy?

COPY BAKCUP

size of data will be same it will compress the size

modification is possible it does not allow you to modified

copy cannot be schedule backup can be schedule

automatic restoration is not possible to its original

location

we can restore the data to its

original location dynamically

55.What is re storepoint?

A restore point is a saved "snapshot" of a computer's data at a specific time

By creating a restore point, you can save the state of the operating system and your own data so

that if future changes cause a problem, you can restore the system and your data to the way it

was before the changes were made

56.What is last known good configuration?

The Last Known Good Configuration is basically a copy of a computers hardware

configuration and its driver settings. It is taken from the systems registry readings when a

computer has a good, clean boot up.

This copy is made for whenever a computer fails to boot up successfully. When that happens, the

systems operating system is able to pull up the good copy and perform a successful startup.

57.Whatarethe features ofwindows 7?

Windows aero, improved graphics, I.E version 8.0, virtual hard disk, windows power shell and bit

drive locker.

58.What is bitlockerdrive?

It is a feature in win-7 which is used to protect the drive by assigning password.

59.What is printerandtypes ofprinter?

Printer is a output device which is used to convert softcopy into hardware copy.

Types of printers: impact and non-impact

Impactdot matrix

Non-impact laser, inkjet.

60.What is print spooler?

A software program responsible for managing all print jobs currently being sent to the

Computer printer


7/9

61.What is partition and types of partitions?

62.What is the difference between partitions and volume?

a. Volume - logical interface used by an operating system to access data stored

b. Partition- is the act of dividing a hard disk drive into multiple logical storage

63.What is the difference between basic disk and dynamic disk?

64.What is defragmentation?

65.What is roll back drivers?

66.What is device driver?And types?

67.What is the use of device manager?

68.What is ICS?

69.What are the display problems?

70.What do you mean by booting?And its types?

71.What is network and its types?

72.What is networking?

73.What is protocol?

74.What is port no? what are the port no for DHCP,DNS,FTP,HTTP,TFTP,Telnet,SMTP,POP3 &IMAP?

75.What is telnet?

76.What is the function of application layer?

77.What are the protocols works at application layer?

78.What is the function of presentation layer?

79.What are the protocols works at presentation layer?

80.What is the function of session layer?

81.What are the protocols works at session layer?

82.What is the function of transport layer?

83.Transport layer is also called as ___________ layer?

84.What are the protocols works at transport layer?

85.What is the function of network layer?

86.What are the protocols works at network layer?

87.What are the devices works at network layer?

88.What is the function of data link layer?

89.What are the sub layers of data link layer?

90.What are the protocols works at data link layer?

91.What are the devices works at data link layer?

92.What is the function of physical layer?

93.What are the devices works at physical layer?

94.At which layer error will be detected?

95.At which layer error will be corrected?

96.What is FTP and its function?

97.What is TFTP and its function?

98.What is SMTP and its function?


8/9

99.What is ARP and RARP?

100. What is POP & IMAP with its functions?

101. What is the difference between hub and switch?

102. What is the difference between switch and router?

103. What is the difference betweenUDP & TCP?

104. What do you mean by topology?

105. What are the types of topology?

106. Which cable support maximum distance and maximum speed?

107.What is the max speed and distance supported by UTP cable and its types?

108.What is the difference between cat5, cat5e, cat6 and cat7?

109.What is IP address? Types of IP address?

110.What is the difference between IPV4 and IPV6?

111.What is subnet mask and what are the default subnet mask for classA, class B and class C?

112.What are the private IP address for class A, class B and class C?

113.What do you mean by Ethernet?

114.What is wireless network?

115.What are the IEEE standards for wireless network?

116.What is WPA, WEP and SSID in wireless network?

117.What are the devices used to create wireless network?

118.What is MAC address?

119.What are the commands to view the MAC address?

120.What is the difference between IP address andMAC address?

121.What is the max distance supported by fiber optic cable?

122.What is host and node?

123.What is server and client?

124.What is the difference between 2003 and 2008 server?

125.What is domain?

126.What is work group?

127.What is domain controller?

128.What is active directory?

129.Where does active directory database is stored?

130.What are the protocols for active directory and port nos?

131.What is sysvol?

132.What is tree and forest?

133.Where the domain user information does is stored?

134.Where the local user information does is stored?

135.When a pc is called as active directory?

136.What is FSMO roles and how many types of FSMO Roles are there?

137.What is DCHP? What is the function ofDHCP?

138.What do you mean by APIPA and its range?

139.What is the default lease period of IP address?

140.What do you mean by DHCP scope and what does it stores?


9/9

141.What do you mean by reservation, exclusion, address leases and address pool?

142.How to trouble shoot DHCP client?

143.What is DNS? What is the function ofDNS?

144.What do you mean by zone in DNS and its types?

145.How to verify DNS is properly configure or not?

146.How to troubleshoot DNS client?

147.What are the features of Windows 2008 server?

148.What is IIS?

149.What is the version of IIS in 2003 and 2008?

150.What is CDC, ADC, RODC and NDEF?

151.What is terminal server?

152.What is DFS?

a. Distributed file system maintains the load balance between the file servers and allowsusers to access the data on file severs

153.What is Group policy?

154.What is OU?

155.What is VPN?And types?

156.What are the VPN protocols?

157.What is IP Sec?

150 interview question santhosh

Documents