Basic Networking Questions and Answers Part 3 (WINDOWS OPERATING SYSTEM DIFFERENCES) - Interview questions for system administrator or Desktop Support

Basic Networking Questions and Answers Part 3 (WINDOWS OPERATING SYSTEM DIFFERENCES) - Interview questions for system administrator or Desktop Support

  April 01, 2013    PARTHASARATHI PANDA

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Basic Networking Questions and Answers For WINDOWS OPERATING SYSTEM DIFFERENCES - Interview questions for system administrator or Desktop Support. Here are some basic differences between various operating system.

1. Difference between Windows 95  Windows 98

WINDOWS 95                                          WINDOWS 98

• NO USB support                                   USB Support
• FAT16 and FAT32 for R2                         FAT16 and FAT32
• Single monitor                                      Multiple monitor
• No Direct X                                          Direct X
• Internet Explorer 3                               Internet Explorer 4
• No Advance Power management         APM (Advance Power management)

2. Difference between Windows xp and Windows 98

WINDIWS XP                                           WINDOWS 98

• Remote desktop                                 No Remote desktop
• GPO (Group Policy)                             No GPO
• 2 processor                                       1 PROCESSOR
• NTLM & Kerberos                                NTLM authentication
• Encryption                                         No Encryption
• Disk quota                                         No Disk quota
• FAT, FAT32 and NTFS                          FAT and FAT32
• IE 5                                                  IE 4

3. Difference between Windows xp home and Windows xp professional

WINDOWS XP HOME                                    WINDOWS XP PROFESSIONAL

• No remote desktop                             Remote desktop
• No offline folders                               Offline folders
• 1 processor                                        2 processor
• Workgroup                                         Workgroup and domain
• No Encryption                                     Encryption
• No GPO                                             GPO
• No Roaming profile                            Roaming profile
• No ASR                                            ASR

WINDOWS OPERATING SYSTEM DIFFERENCES

4. Difference between Window 2000 professional and Windows xp professional

WINDOWS 2000 PROFESSIONAL                  WINDOWS XP PROFESSIONAL

• ERD                                                     ASR
• Terminal service                                    Remote desktop and assistance
• IE-5                                                     IE-6
• No firewall                                            Basic firewall
• No Alternate IP configuration                   Alternate IP configuration
• No System restore                                  System restore
• No Driver rollback feature                         Driver rollback feature

5. Difference between Windows 2000 server and 2003 server      

WINDOWS 2000                                         WINDOWS 2000

• No shadow copy                                        Shadow copy feature
• No RPC over HTTP                                     RPC over HTTP
• 32 BIT                                                     32 bit and 64 bit
• No domain rename features                        Domain rename features
• Terminal service                                   Remote desktop and assistance
• ERD                                                          ASR
• Less command line tool                               More command line tools
• No stub dns                                               Stub dns
• IIS 5 (Internet Information Services 5)           IIS 6

6. Difference between Windows NT and 2003

WINDOWS NT                                           WINDOWS 2003

• Directory service                               Active directory service
• FAT16 and NTFS 4.0                        FAT16, FAT32 and NTFS 5.0
• Compression                            Compression, Encryption and disk quota 
• System policy                                   Group policy
• Local and Global group                       Local, Global and Universal Group
• No ip sec                                          ipsec built in
• 40000 user limit                                100000 user limit
• NTLM authentication                   NTLM and Kerberos authentication
• Basic disk                                         Basic and dynamic disk
• No shadow copy                                 Shadow copy
• ERD                                                  ASR

7. Difference between Windows NT and 2000

WINDOWS NT                                            WINDOWS 2000

• Directory service                            Active directory service
• FAT16 and NTFS 4.0             FAT16, FAT32 AND NTFS 5.0                       
• Compression                          Compression, Encryption and Disk quota
• System policy                                     Group policy
• Local and Global group                 Local, Global and Universal Group
• No ip sec                                           ipsec built in
• 40000 user limit                                  100000 user limit
• NTLM authentication                 NTLM and Kerberos authentication
• Basic disk                                           Basic and dynamic disk

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Basic Networking Questions and Answers Part 2 (System Administrator and Desktop Support)

Basic Networking Questions and Answers Part 2 (System Administrator and Desktop Support)

  March 27, 2013    PARTHASARATHI PANDA

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1. Explain AT & T color code for straight cable.

Answer-

Orange white
Orange

Green white
Blue

Blue white
Green

Brown white
Brown

2. What is the recommended CAT5 cable length between switch and PC?

Answer-

100 meters

3. Which pins are used in CAT5 cable?

Answer- 

1 , 2 , 3, 6
Pin1 = tx +
Pin2 = tx –
Pin3 = rx +
Pin6 = rx –

4. Where to use the cross cable and the straight cable?

Answer-

For Similar device the cross cable is used and if the device is not similar then the straight cable is used.

Example of Similar device where cross cable is used.

Switch to switch

PC TO PC

Hub to hub

Switch to Hub

PC to router

Router to router

Example of Non-similar devices for straight cable.

PC to switch

PC to hub

Router to switch

D-Link Ethernet Switch

5. Difference between DOMAIN  and  WORK GROUP

DOMAIN 

Centralized network model                                  

Domain is controlled by DC                                 

Centralized login                                                   

Centralized user database                                      

Easy and centralized management                         

Good for large network 

WORKGROUP

Decentralized network

No centralized network

Local login

Local user database

Good for small network

6. Different type of LAN topologies.

A. Bus topology

10base2(thin net)
10base5 (thick net)

B. Star topology

10baseT (Ethernet, 10 Mbps)
10baseTX (fast Ethernet, 100 Mbps)
100baseFX (fast Ethernet with Fiber)
1000baseTX (gigabyte Ethernet, 1000 Mbps)
1000baseFX (gigabyte Ethernet with fiber)

C. WAN topologies

PSTN (public switched telephone network)
ISDN (integrated switched digital network)
Frame relay
Leased line
DSL (Digital subscriber line)

7. A short description about all 7 layers of  OSI

Application layer    = user interface and application
Presentation layer  = data conversion and transformation
Session layer         = keep data of different application separately
Transport layer      = end to end connectivity using port numbers
Network layer        = logical addressing like ip address
Data link layer       = physical addressing like MAC address
Physical layer        = physical transmission of data using 0's and 1's.

8. Difference between switch and hub?

SWITCH                                                                        HUB

a. Works at layer 2                                              Works at layer 1
b.Use MAC address for packet forwarding  Use broadcast for packet forwarding
c. Doesn’t required CSMA/CD                                 Requires CSMA/CD
d. Faster then HUB                                              Slow then switch
e. Full duplex                                                      Half duplex
f. High throughput                                               Low throughput

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Basic Networking Questions and Answers Part 1 (About TCP/IP) - Interview questions for system administrator or Desktop Support.

Basic Networking Questions and Answers Part 1 (About TCP/IP) - Interview questions for system administrator or Desktop Support.

  March 27, 2013    PARTHASARATHI PANDA

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1. Explain TCP/IP classes with Range of IP address

Answer-

• CLASS A=1 to 126
• CLASS B=128 to 191
• CLASS C=192 to 223
• CLASS D=224 to 239 (Multi casting)
• CLASS E=240 to 255 (Research)

TCP / IP

2. What is private Ip address and range of private IP ?

Answer—

Private IP address are not used in Internet or not routable in Internet. These IP address are used on private Network like inside your Office etc. The private IP also called as non-routable IP.

• Class A=10.0.0.0 to 10.255.255.255
• Class B=172.16.0.0 to 172.31.255.255
• Class C=192.168.0.0 to 192.168.255.255

3. Which protocol is used by PING?

Answer-

Ping uses ICMP (Internet control management protocol)

4. What is default Gateway?

Answer—

Default gateway is the address of router or Modem.

5. What is the use of Tracert ?

Answer-

Tracert (Trace Route) is a command to find path information between source and destination. It shows No. of hops between source and destination.

6. What is subnet mask?

Answer—

Subnet mask is used to differentiate Network ID and Host ID from given IP address. The default subnet mask are as under. 

Class A= 255.0.0.0

Class B=255.255.0.0

Class C=255.255.255.0

7. What is full form of PING ?

Answer-

Packet Internet Network Gopher

Ping Loop back address

8. What is Loop back address ?

Answer-

The loop back address is 127.0.0.1, This address is used to check local TCP/IP suite on local machine.

9. What is the function of router ?

Answer—

Router is a device or PC which is used to connect two or more ip address.

10. Which protocol is used, while you access a web site?

Answer-

HTTP hyper text transmission protocol.

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How To Turn Your Windows 7 Laptop Into Wi-Fi Hotspot - With Video Tutorial

How To Turn Your Windows 7 Laptop Into Wi-Fi Hotspot - With Video Tutorial

  January 26, 2013    PARTHASARATHI PANDA

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Do you know? that you can use the windows 7 PC as a WiFi Hotspot. If you are searching for Wi-Fi hotspot and don't know how to do it, then here is the procedure through which you can easily turn your windows 7 PC into Wi-Fi Hotspot. For this you need a Wifi enabled Desktop, if you don't have wifi on your Desktop then you should purchase one and fix it to the PCI slot. If you are using Laptop, then not to worry all the laptop now a days come with Wi-Fi. You do not need any kind of software to do it, just do some settings and you will able to share your Windows 7 laptop's Internet with friends.

Requirements :

• A Desktop/Laptop with Wifi having Windows 7 OS
• Internet Connection on the PC (LAN or 3G Datacard)

For Example : Windows 7 Laptop having Internet (BSNL 3G Datacard) and want to share the Internet with others by turning it into a wifi hotspot. The procedure is as below.

1) Attach the BSNL 3G Data card to Laptop and finally connect it to get internet connection on the laptop (using the software given by BSNL in the Data card) or if you have broadband connection, just connect it to the LAN port. Now your Laptop has the Internet on it.

2) Go to Control Panel\Network and Internet\Network and Sharing Center and click on the Manage Wireless Networks from the left panel.

3) Click Add ---> Create an ad hoc network ---> Click Next

4) In the Network name, type any name on it ( here it's mypc1) and in the Security key enter abc12345 (for example) and Click Next. You can choose your Network name and Security key.

Wi-Fi Hotspot on the Windows 7 Laptop

5) Now Click on Turn on Internet connection sharing and you will get a message Internet connection sharing is enabled, Click Close.

You have successfully created the wifi hotsopt on the Laptop. On another laptop you will get Wireless Network Connection mypc1, Click Connect and give the key abc12345 and you will be connected to the laptop and can use the Internet now. This wireless network may not be access through some wifi enabled mobile phones.

Watch the Video to set up wifi hotspot on Laptop using Windows 7.

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Dataone UTstarcom WA3002G4 Modem Wirless Configuration

Dataone UTstarcom WA3002G4 Modem Wirless Configuration

  January 11, 2013    PARTHASARATHI PANDA

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Dataone UTstarcom WA3002G4 Modem Wirless Configuration - Dataone Broadband WA3002G4 Modem WiFi Settings:
 
Here is the way how to configure Dataone UTstarcom WA3002G4 Modem to access WiFi. To set up the modem's wifi follow the steps below.

1) Log in to your modem (IP 192.168.1.1) enter the user name and password.

2) Click on Wireless from the right panel.

3) Wireless Basic Settings, This page allows you to configure basic features of the wireless LAN interface. You can enable or disable the wireless LAN interface, hide the network from active scans, set the wireless network name (also known as SSID) and restrict the channel set based on country requirements. Tick Enable Wireless, give the SSID name, Choose the Country then click on Save/Apply.

Wireless Basic Settings WA3002G4 Modem

4) Then go to Security option , where you can set the password to use the WiFi. This page allows you to configure security features of the wireless LAN interface. You can sets the network authentication method, selecting data encryption, specify whether a network key is required to authenticate to this wireless network and specify the encryption strength. 

Enter 13 ASCII characters or 26 hexadecimal digits for 128-bit encryption keys Enter 5 ASCII characters or 10 hexadecimal digits for 64-bit encryption keys

Wireless Security WA3002G4 Modem

5) After configuration Click Save/Apply. now you can use the wireless facility of the UTstarcom Modem WA3002G4. It will ask the Encryption key just enter what you have set in the modem.

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How To Share A Printer Over LAN - Windows XP

How To Share A Printer Over LAN - Windows XP

  January 08, 2013    PARTHASARATHI PANDA

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You may know about printer sharing, if not then here is the topic about printer sharing. So first you should know What is printer sharing ? That means use one printer in multiple computers on the network. For example you installed a printer in one computer after sharing the printer you can access this printer in any other computer on the network to give prints.

Share A Printer Over LAN

Suppose you have 4 computers and the names are Office1, PC1, PC2 and PC3. You have installed a printer (i.e HP Laser Jet P1007) on Office1 computer and you want to share it to use in other three computers.

Steps:

1. The 4 computers should have networking using a Ethernet switch to communicate each other .
2. Go to the Office1 PC, on which you have installed a printer, Click on Start go to Control Panel, double click on "Printers and Faxes" Now you can see the printers you have installed.
3. Right click on the printer you want to share, here HP laser jet P1007 then click on Sharing.
4. You will see two options, Do not share this printer and Share this printer, Click on Share this printer then Click Apply then OK.
5. Now go to PC1 Click Start ---> Run or Press Windows Key + R to open RUN dialog box, type the computer name followed by backward slash for you its \\office1 and press ENTER.
6. The shared resource of office1 computer will appear, Double click on the printer (HP Laser Jet), now you will get a message (See below screen shot Figure 1) Click Yes and wait for few seconds.

Figure 1

That's all now you can use the printer on PC1, for PC2 and PC3 repeat the step 5 and 6.

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