IT Related Interview Questions

The best way to eliminate the stress of the job interview and to make your interview successful is to prepare for it. In this article, you will find information technology jobs related most commonly asked interview questions. The questions are categorized in their related categories.

Operating System

• What is a COM component?
• How do you register COM component?
• What is a Raid?
• What is normalization?
• Explain hidden shares in Windows 2000.
• How do you convert a FAT into NTFS?
• How does a virus affect the computer?
• What is the latest version of the MSDOS?
• What is a distributed system?
• What you mean by deadlock?
• What is DRAM?
• What’s the difference between FAT32 and NTFS?
• What’s the difference between process and thread?
• What is page fault?
• Define root directory?
• What’s the difference between Windows and UNIX?
• What’s the difference between RAM and ROM?
• How do you configure built-in firewall in Windows XP?
• What is virtual memory?
• What are the main components of the operating system?

Networking

• What is WAN?
• What is firewall?
• What is DHCP?
• What is DNS?
• Define the functionality of a router?
• What is broadband?
• What is gigabyte Ethernet?
• Define OSI layers?
• What is TCP/IP?
• What is VPN and how does it works?
• What is IP addressing?
• Define WLAN?
• What is a gateway?
• Define VOIP?
• Name ten TCP/IP protocols?
• What is Wimax and Wi fi?

Cisco

• What is RIP?
• Define OSFP
• What is frame relay?
• What is ISDN?
• What is ATM?
• Define Qos?
• Define VLAN.
• Define switching.
• Define Trace route.
• What is the authentication method and how it works.
• How SNMP works?
• Define cryptography?
• Define subnets.
• What is ACL?
• Define port monitoring and mirroring.
• What is a router?
• What is a deadlock?
• What is virtual memory?
• What is multitasking?

Hardware

• What is a microprocessor?
• What is BIOS battery?
• What is cache memory?
• What is difference between RAM and ROM?
• What is a compiler?
• What is a data bus?
• Define Pentium?
• What is NVRAM?
• What is a Router?
• Define LAN card?
• Define motherboard.
• Define the types of printers.
• What’s the latest processor speed?

PHP

• How do you define a variable in PHP?
• How to communicate with sockets?
• What is .htaccess file?
• How to get domain name in PHP?
• What is Joomla?
• How to define functions?
• How is Zend engine?
• How many types of errors in php?
• How do you define an inline style?
• What’s the difference between echo and print?
• How to capture audio in PHP?
• How to capture video in PHP?
• What is captcha?
• How do you compare PHP with Perl?
• Explain the PHP data types?
• What is the difference between a script and file?
• How to pass variable to forms?
• How to know the browser’s properties?
• How to download the files by using PHP?

Search Engine Optimization

• What is supplemental index in Google?
• What do you think about page rank?
• What are the Meta tags?
• What is a XML sitemap?
• How do you get one way links?
• What is the difference between the black hat and white hat SEO techniques?
• What is page segmentation?
• What is latent Semantic analysis?
• What SEO tools do you regularly use?
• What is copy writing?
• Have you attended any SEO related conferences?
• What is nofollow link?
• What’s the difference between on-page and off-page optimization?
• What’s the difference between SEO and SEM?
• Can you write HTML code?
• Do you have any experience in managing the PPC campaigns?
• What web technologies are you familiar with?
• What are the top most important SERP factors?