Which command in the Cisco IOS enables an interface (brings it up)?

Which command in the Cisco IOS enables an interface (brings it up)?

• no shutdown
• enable
• shutdown
• startup 

 

EXPLANATION

The no shutdown command enables an interface (brings it up). This command must be used in interface configuration mode. It is useful for new interfaces and for troubleshooting. When you're having trouble with an interface, you may want to try a shut and no shut. Of course, to bring the interface down, reverse the command and just say shutdown. This command can be abbreviated no shut.

SOURCE

https://www.techrepublic.com/blog/data-center/10-commands-you-should-master-when-working-with-the-cisco-ios-104071/

Read More

On Microsoft Windows, how many workstations can an authenticated user join to the domain by default?

On Microsoft Windows, how many workstations can an authenticated user join to the domain by default?

• Unlimited
• 10
• 1
• None 

 

EXPLANATION

By default, an authenticated user can add 10 workstations to the domain.
This default was implemented to prevent misuse, but can be overridden by an administrator by making a change to an object in Active Directory using ADSIedit.  https://support.microsoft.com/en-us/kb/243327

Read More

In Microsoft Dynamics AX - what is a BOM?

In Microsoft Dynamics AX - what is a BOM?

• Building Off Memory
• Bill Of Materials
• Bill Of Manufacturing
• Bob Of Murrays 

 EXPLANATION

The correct answer is Bill Of Materials (BOM)
BOMs) and formulas are a central part of the definition of products and product variants within Dynamics 365.

This clarifies what components are needed in order to make an item beginning to end when manufacturing a product end-to-end.

SOURCE

https://docs.microsoft.com/en-us/dynamics365/supply-chain/production-control/bill-of-material-bom

Read More

Which of the following is not a backup category ?

Which of the following is not a backup category ?

• Image backup
• Half system backup
• All of the mentioned
• Full system backup 

 

EXPLANATION

An image backup creates a complete copy of a volume

SOURCE

http://www.sanfoundry.com/cloud-computing-questions-answers-cloud-backup-solutions/

Read More

In Windows 7 or greater, how do you run an application as a different user without switching the account?

In Windows 7 or greater, how do you run an application as a different user without switching the account?

• Shift+RightClick
• CTRL+LeftClick
• CTRL+R
• SHIFT+R 

 EXPLANATION

Right-clicking on a file or folder brings up a context-sensitive menu, but sometimes that menu doesn't show all your options. Hold down the Shift key when you right-click to find hidden but useful commands like running an application as a different user.

SOURCE

https://lifehacker.com/5804483/open-hidden-menu-options-with-the-shift-and-right-click-shortcut

Read More

PowerShell is built on which of the following?

PowerShell is built on which of the following?

• Java
• Bash
• .NET
• C++ 

EXPLANATION

PowerShell is built on top of .NET, and is capable of accessing and utilizing its built-in functionality directly.

Like C++ and Java, PowerShell uses a C-like syntax.
PowerShell borrows many concepts from the *NIX shell "bash", but it is not based on it.

SOURCE

Read More

In a basic client program, which of the following UNIX system calls is used to create an endpoint for communication with a server program in C?

In a basic client program, which of the following UNIX system calls is used to create an endpoint for communication with a server program in C?

• socket()
• connect()
• fork()
• bind() 

 

EXPLANATION

int sockfd;
sockfd = socket(AF_INET, SOCK_STREAM, 0);

SOURCE

http://man7.org/linux/man-pages/man2/socket.2.html

Read More