Top Ten Most Important Desktop Support Engineer Interview Questions

       Top Ten Most Important Desktop Support Engineer Interview Questions

  1. Some of Well Known Ports Number which are Asked in the Interview Room for the Post desktop Support Engineer.

    Desktop Support Engineer Interview Questions Answers Tutorial

    Desktop Support Engineer Interview Questions Answers Tutorial

       Port No

  1. HTTP            =80  
  2. HTTPS         =43
  3. DNS              =53
  4. TELENET   =23
  5. SSH              =22
  6. DHCP          =67 (SERVER) , 68 (CLIENT)
  7. FTP                =21
  8. SFTP             =115

 SMTP (Simple mail Transfer Protocol) – send email

Secure port= 465 (encrypted)

Unsecured port=25

High secure=587

  1. POP3 (Post Office Protocol version 3)

Secure port=995

Unsecure port=110

  1. IMAP(Internet Message Access Protocol)

Secure port=993

Unsecure port=143

 1.WHAT IS Outlook?

Outlook is an e-mail software program by Microsoft that enables users to send and receive e-mail on their computer. … Microsoft Outlook is a commercial product available in a stand-alone version or part of the Microsoft Office package.

Outlook Data file Extension—

1). OST (Offline Storage Table)

2). PST (Personal Storage Table)

Offline Storage Table—

It is outlook data file that use to view E-mail in offline mode. OST file allow you to work even when we are no connected to server, when we get online it will synchronize itself.

Size limit of PST & OST-

Outlook 2010 – 2016 ———- 50GB (PST)

                                                         2GB (OST)

Outlook 2007 —-      20GB (PST)

2.PATH OF OST & PST:-

OST PATH = C/USER/USERNAME/APPDATA/LOCAL/MICROSOFT/OUTLOOK/ID

PST PATH = C/USER/USERNAME/DOCUMENT/OUTLOOK/FILE/MY OUTLOOK DATA FILE.PST

  • Personal Storage Table—

It is outlook data file that store E-mail locally. It is not created by MS Outlook it is created by the user itself to store E-mails, contact, calendar entries etc.

  •  What is ARCHIVE

It is secondary mail box that is used to move old email from primary mail box.

File- cleanup tools -Archive

Path– C/USER/USER3/DOC/OUTLOOK FILE/ARCHIVE

THERE ARE THREE TYPE OF ARCHIVE—

  1. MANNUAL
  2. AUTO
  3. ONLINE
  • Different between POP3 VS IMAP

POP3

1.The only thing the POP3 does it download the E-mail to your device from the server. In POP3 the E-mail is deleted on the mail server once it’s download to a device.

  1. It doesn’t synchronize the Mail Server
  2. To read the mail the mail has downloaded first

IMAP

Of the two, IMAP is the better option – and the recommended option – when you need to check your emails from multiple devices, such as a work laptop, a home computer, or a tablet, smart phone, or other mobile device. POP3 downloads email from a server to a single computer, then deletes it from the server.

  1. It synchronize the Mail Server

3.To read the mail it need not to be downloaded as you can access it.

  1. what is the difference between FTP  and SFTP.

ftp=File transfer prtocol    port=21

sftp =secure file transfer protocol.  port =115

6 .What is active directory?

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.

  1. What is DHCP and what it is used for?

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.

  1. What is scope and super scope?

Scope consists of an IP address like gateway IP, subnet mask, DNS server IP. It can be used to communicate with the other PCs in the network. The superscope becomes when you combine two or more scopes together.

9 What is DNS?

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 likehotmail.com, the computer don’t understand this so they use DNS which converts (hotmail.com) into (numbers) and then executes the command.

  1. Tell Me If Your System Is Infected By A Virus How You Will Recover The Data?

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 APIPA IP address? Or what IP address is assigned to the computer when the DHCP server is not available?

When DHCP server is not available the Windows client computer assignes an automatic IP address to itself so that it can communicate with the network cmputers. This ip address is called APIPA. ITs in the range of 169.254.0.0.

APIPA stands for Automatic private IP addressing. Its in the range of 169.254.255.255.


 

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