How many attempts does it take to plug in a USB flash drive?

How many attempts does it take to plug in a USB flash drive?

• 2
• 3
• 1
• 9 

EXPLANATION

No Explanation for this question if your good at computer no second attempt is required to plug the thumb drive.

 

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Which protocol is most reliable?

Which protocol is most reliable?

• DHCP
• UDP
• IP
• TCP

 

EXPLANATION

TCP is considered to be the most reliable connection. Both the sender and client check the connection and trust before making data transmission. UDP is not reliable. It does not authorize and check the connection.
UDP provides an unreliable connection. It does not authorize peer and not even check the connection before sending the data.

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What windows command will clear the client DNS buffer?

What windows command will clear the client DNS buffer?

• nslookup -A -clear
• cleardns /all
• ipconfig /flushdns
• NetWare --reset 

EXPLANATION

If this for a DNS server, use the command "dnscmd" with options.

eg: dnscmd dnssvr1.contoso.com /clearcache

To clear DNS Cache in client, do the following: 

1. Start

2. Run

3. Type "cmd" and press enter

4. In the command window type "ipconfige /flushdns"

5.a If done correctly it should say "Successfully flushed the DNS Resolver Cache."

5.b If you receive an error "Could not flush the DNS Resolver Cache: Function failed during execution.", follow the Microsoft KB Article 919746 to enable the cache. The cache will be empty; however, this will allow successful cache-flush in future. 

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How to enable kerberos authentication type for live migration in hyper-v by using Powershell cmdlet ?

How to enable kerberos authentication type for live migration in hyper-v by using Powershell cmdlet ?

• set-vmhost -authenticatiuontype kerberos
• install-vmhost -virtualmachinemigrationauthenticatiuontype kerberos
• set-vmhost -virtualmachinemigrationauthenticatiuon type kerberos
• install-vmhost -authenticatiuontype kerberos

EXPLANATION

Use Windows PowerShell to set up the source and destination computers for live migration

Three cmdlets are available for configuring live migration on non-clustered hosts: Enable-VMMigration, Set-VMMigrationNetwork, and Set-VMHost. This example uses all three and does the following:

• Configures live migration on the local host
• Allows incoming migration traffic only on a specific network
• Chooses Kerberos as the authentication protocol

Each line represents a separate command.

PS C:\> Enable-VMMigration  

PS C:\> Set-VMMigrationNetwork 192.168.10.1  

PS C:\> Set-VMHost -VirtualMachineMigrationAuthenticationType Kerberos 

SOURCE

https://docs.microsoft.com/en-us/windows-server/virtualization/hyper-v/deploy/set-up-hosts-for-live-migration-without-failover-clustering

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Which of these Email protocoles is known to be linked to the Autodiscover Service?

 Which of these Email protocoles is known to be linked to the Autodiscover Service?

•     OWA
•     POP3
•     MAPI
•     IMAP

EXPLANATION

Client connectivity in Exchange 2016 and Exchange 2019 is like Exchange 2013 and differs from Exchange 2010. In Exchange 2016 and 2019, MAPI over HTTP is enabled by default, when previously Outlook clients used Outlook Anywhere (RPC over HTTP). Exchange 2016 and 2019 require fewer name spaces for site-resilient solutions than Exchange 2010, reducing to two from the previously required seven namespaces. To read more about namespace and Exchange Server, see the blog Namespace Planning in Exchange 2016.


Messaging Application Programming Interface is a messaging architecture and a Component Object Model based API for Microsoft Windows. MAPI allows client programs to become messaging-enabled, -aware, or -based by calling MAPI subsystem routines that interface with certain messaging servers.

SOURCE

https://docs.microsoft.com/en-us/Exchange/architecture/client-access/autodiscover?view=exchserver-2019

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