RSSAll Entries in the "Networking" Category

How to configure /31 subnet for point-to-point links

Benefits of  /31 subnets for point-to-point links In general we use the /30 bit subnet mask for point to point networks and will get two usable host IP addresses for point to point configuration except one network and one broad address. Now we can use 31-bit subnet mask for point to point networks and it will save the IPv4 address space. In this subnet there is no unused network and broadcast address and it uses only two IP addresses: all zero bits and all one bits in the host portion of the IP address. In /31 subnet the two IP addresses are used as host addresses, and do not require broadcast support because any packet that is transmitted by one host is always received by the other host at the receiving end. Therefore, directed broadcast on a point-to-point interface is eliminated. Support for an IPv4 address with a 31-bit subnet […]

How to Install ActiveX Control in Internet Explorer 8/9/10 from Unknown Publisher

Change Internet Explorer 8/9/10 ActiveX Control settings In case you are trying to install any ActiveX Control from unknown publisher from Internet Explorer in  Windows 8 / Windows 7/ Windows Vista/ XP, Internet Explorer might not be configured to download ActiveX controls for security reasons, or you might have declined to install the ActiveX control when Internet Explorer prompted you to download, install, or run the control. I experienced many with Digital Video Recorders (DVR) ActiveX controls. I have changed below settings in Internet Explorer and succeeded to install Active X control from unknown publisher. Set your IP address/Website as Trusted site In Internet Explorer browser, click Tools in the upper toolbar or click on the Tools icon and select Internet Options. Click the Security tab and select the Trusted Sites zone. Click the Sites button. Under “Add this Web site to the zone:” type your project web site. Click Add, then […]

How to resolve Microsoft jet oledb 4.0 provider is not registered error

When you are installing new software or application on 64bit operating system, you may find the error “microsoft jet oledb 4.0 provider is not registered”. Microsoft jet oledb 4.0 doesn’t works for 64bit machine. You can use Microsoft.ACE.OLEDB.12.0 for 64 operating system bit system. You can check is it 32 bit or 64 bit system. If 32 bit then use Microsoft.JET.OLEDB else use Microsoft.ACE.OLEDB. There is not a 64 bit version of jet that is why you get that error.  To force your app to use the 32 bit change the target CPU to x86 in the advanced compiler options. To resolve this issue open the project in Visual Studio then: 1. From the solution explorer right-click your project then click Properties 2. Click the Build tab 3. Change Platform target from: Any CPU to x86 4. Re-build your solution Latest Service pack for Microsoft Jet 4.0 Database Engine http://support.microsoft.com/kb/239114/en-gb    

How to remove Shortcut Virus from External Hard Disk or Pendrive

When you connect any Pendrive or Flash Drive or External Hard Disk to your PC, Sometimes you will see all files and folder have changed to shortcuts like below image, and also My Documents, My Pictures and My Videos folders are in there. When you try to open them (double click) nothing happen. It was a virus attack for External Hard disk or Pendrive. Everybody call it Shortcut Virus.               Shortcut virus problem in Removable disk like Pendrive or External hard disk  is most common virus of the computer and users are hanged because to find the solution to clear the shortcut virus. Now I found a solution. A secure data recovery method. I could recover all my data back. No shortcuts anymore.               Steps to Remove Shortcut Virus from Pendrive or External Hard disk 1. Go to […]

Most Frequent Interview Questions for Network Engineers

Find below most frequently asked interview questions for Network Engineers in  most of  the multinational companies in India. Most Frequent Interview Quetions for Network Engineer Position: 1. OSI Layers 2. What is VLAN? 3. What is VTP? 4. How we can change VTP revision number 5. In what mode we will add a switch in VTP domain 6. Difference between loadsharing & loadbalancing 7. What is ACS server, syslog server 8. How to add node in hpnnm – nnm 9. How to add a node group in nnm 10. What is use of AAA and how we will configure it? 11. How many modules will be there in 7609? 12. What type of ports are available in 7609 router 13. Difference between HSRP and VRRP 14. How data flows in MPLS technology 15. OSPF states while forming neighborship 16. OSPF LSA types 17. Difference between point to point & MPLS links […]

How to: Unable to copy a 4GB MPG or Bluray Movie to 8GB/16GB Pendrive

Sometimes you will get an error “Not enough free Space” even though when you are trying to copy some small video file which is less than available free space in Pendrive. I bought a pendrive from kingston 16 GB and tried copy a single 4GB .MPG file but it is not copying into my pendrive. I thought there is some issue with existing files or virus files and I have formatted the Pendrive, tried to copy again but not succeeded. Change Pendrive File System from FAT to NTFS After that I changed the file system from FAT to NTFS for Pendrive and it worked fine. To convert FAT to NTFS, right click the drive name of pendrive -> select Format -> File system type select NTFS -> format Pendrive. If NTFS is not available (only FAT is available), then Right click at pen drive -> Click Properties -> Select Hardware […]