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mariarad [96]
3 years ago
10

If it can be applied, the least-damaging recovery option is ________.

Computers and Technology
1 answer:
Fed [463]3 years ago
6 0
The answer is D, I believe.

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You can use predesigned, formatted files called _____ to create new worksheets quickly.
Leokris [45]
You can use predesigned, formatted files called -templates- to create new worksheets quickly.
8 0
3 years ago
You are the IT administrator for a small corporate network. You have installed the Windows Server 2016 operating system on a ser
Elan Coil [88]

Answer:

In this lab, you perform the following tasks:

• On Disk 1, create a mirrored volume of the System (C:) volume to add fault tolerance.

• Using Disk 2, Disk 3, and Disk 4, create a RAID 5 volume that provides both fault tolerance and improved performance using the following settings:

o Volume size: 2 TB

o Drive letter: R

o Format: NTFS

o Volume label: Data

Complete this lab as follows:

1. Mirror an existing volume as follows:

a. Right-click Start and select Disk Management.

b. Click OK to initialize new disks.

c. Maximize the Disk Management window to better view the volumes.

d. Right-click the System (C:) volume and select Add Mirror.

e. Select Disk 1 that will be used for the mirrored copy.

f. Select Add Mirror.

g. Click Yes to convert the basic disk to a dynamic disk.

2. Create a RAID 5 volume as follows:

a. In Disk Management, right-click a disk with free space and select New RAID 5 Volume.

b. Click Next.

c. Under Available, holding down the Ctrl key, select Disk 3 and Disk 4 to be part of the new volume with Disk 2.

d. Select Add.

e. Click Next.

f. From the drive letter drop-down dialog, select R; then click Next.

g. Make sure that NTFS is selected as the file system.

h. In the Volume label field, enter Data.

i. Select Next.

j. Click Finish to create the volume.

k. Click Yes to convert the basic disk to a dynamic disk.

Explanation:

5 0
3 years ago
Kelly is a college sophomore majoring in computer science. She is interested in gaining exposure to the most useful and current
Nuetrik [128]

Answer:

Java

Explanation:

Java is a general-purpose programming language that is object-oriented, and has strong support for web development.

Therefore, one of the languages that a college sophomore majoring computer science learn is <u>Java,</u> an object-oriented programming language that is commonly used to write Web applications.

6 0
3 years ago
Consider the following general code for allowing access to a resource:
Margaret [11]

Answer:

a) The code allows access even when  IsAccessAllowed(...) method fails.

b) Either use If

(dwRet = ACCESS_ALLOWED)

or use

if (dwRet == NO_ERROR)

to avoid flaw

Explanation:

Lets first see what the code chunk does:

DWORD dwRet = IsAccessAllowed(...);

if (dwRet == ERROR_ACCESS_DENIED) {

// Security check failed.

// Inform user that access is denied.

} else {

// Security check OK.

}

In the given code, DWORD is basically a data type for double word type integers and this is defined in windows.h

So there is DWORD type variable dwRet that is assigned a method calls.

The method is IsAccessAllowed() which checks if the access is allowed to user.

if (dwRet == ERROR_ACCESS_DENIED) condition basically checks if the value of DWORD type variable dwRet is equal to ERROR_ACCESS_DENIED

If this condition evaluates to true then the security checks fails and user is informed via some message or action that the access is denied.  But when the if condition evaluates to false then the else part executes which allows access.

So basically this chunk of code checks if the error ERROR_ACCESS_DENIED is returned.

Now the flaw in this program is what if the method IsAccessAllowed() by any reason. The reasons can be system failure or the memory failure. In memory failure case for example, the system returns out of memory error. So this means that the error is not  ERROR_ACCESS_DENIED. Instead it is out of memory error. So in such a case the user is allowed access as the if condition evaluates to false and else part executes. So if any other error is produced due to some reason like mentioned above, then user has unrestricted access.

This shows that the doe should not check for the failure or rely on checking ERROR_ACCESS_DENIED to allow access but instead it should check for success. Code should only give access privilege if access is allowed successfully or no error is produced.

So to avoid this flaw the code is altered as:

DWORD dwRet = IsAccessAllowed(...);

If (dwRet = ACCESS_ALLOWED) {

//Security check OK.

} else {

//Security check failed.

//Inform user that access is denied.

}

This will only allow access if ACCESS_ALLOWED evaluates to true and success is checked instead of failure here

You can also alter the if condition as:

If (dwRet = No_Error)

or

If (dwRet = 0)

The above if conditions checks if the access is allowed or if no error is produced. Only then it will allowed access otherwise not. So the access check is a success is checked first and failure (for any reason). The user is allowed access only if there is no error otherwise user is not allowed access.

6 0
3 years ago
How do i build a supercomputer.?
stira [4]
You will need one head node, at least a dozen identical compute nodes, an Ethernet switch, a power distribution unit, and a rack. Determine the electrical demand, cooling and space required. Also decide on what IP address you want for your private networks, what to name the nodes, what software packages you want installed, and what technology you want to provide the parallel computing capabilities
3 0
3 years ago
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