Answer: Hello your required question is wrong as it does not tally with the data provided , attached below is the complete question
answer:
 /23 /26 /27 /28   option A
Explanation:
<u>Breakdown of the last four subnet masks given to the subnets </u>
For the subnet of 500 production host the mask = /23 which will produce 512 hosts
For the subnet of 60 sales host the mask = /26 which will produce 64 hosts
For the subnet of  12 host the mask = /27 which will produce 32 hosts
For the subnet of 30 hosts the mask = /28 which will produce 16 hosts 
 
        
             
        
        
        
A component of a change management program which includes final testing that the software functions properly is: C) Release management.
<h3>What is SDLC?</h3>
SDLC is an acronym for software development life cycle and it can be defined as a strategic methodology that defines the key steps, phases, or stages for the design, development and implementation of high quality software programs (applications).
In Computer science, there are seven (7) phases involved in the development of a software program and these include the following;
At the final testing stage, a component of a change management program which ensure that the software functions properly is known as release management.
Read more on software here: brainly.com/question/26324021
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Complete Question:
What component of a change management program includes final testing that the software functions properly?
A) Request management
B) Change management
C) Release management
D) Iteration management
 
        
             
        
        
        
Answer:
The answer to this question is given below in the explanation section. 
Explanation
Carly is part of a community of developers. In her free time, she works on code to improve this open-source operating system. The OS she's working on is most likely are:
- Linux
- OpenBSD
- FreeBSD
- NetBSD
- AROS
- Tock
- FreeDOS
- Dragonfly BSD
- Qubes OS
- Haiku
- Redox
- ReactOS
- Subgraph OS
- osv.io
- ToaruOS
- Mezzano
- House
- Minoca OS
- SOS
- PowerNex
- Interim OS
- KolibriOS
- MINIX
- HelenOS
- Sculpt
- Harvey
- illumos
- GeckOS/A65 V2.0
- Serenity
- GNU Hurd
- Plan 9
- AquilaOS
- Biscuit
- Xv6
These are the different opensource operating systems. 
 
        
             
        
        
        
Answer:   b. LDAP injection
Explanation:
LDAP (Lightweight Directory Access Protocol ) Injection is defined as
- an injection attack used by attacker to exploit web based applications by inserting LDAP statements based on user input. 
- It may be possible modify LDAP statements through some techniques if an application fails to properly sanitize user input.
So,<u> LDAP injection</u> is the attack that allows for the construction of LDAP statements based on user input statements, which can then be used to access the LDAP database or modify the database's information.
Hence, the correct option is b. LDAP injection.