Answer:
z = a.c' + a.b.d' + b.c'.d'
Explanation:
The truth table for this question is provided in the attachment to this question.
N.B - a' = not a!
The rows with output of 1 come from the following relations: 01 > 00, 10 > 00, 10 > 01, 11 > 00, 11 > 01, 11 > 10
This means that the Boolean expression is a sum of all the rows with output of 1.
z = a'bc'd' + ab'c'd' + ab'c'd + abc'd' + abc'd + abcd'
On simplification,
z = bc'd' + ab'c' + ac'd' + ac'd + abc' + abd'
z = ac' + abd' + bc'd'
Hope this helps!
Answer:
There is Name resolution failure
Explanation:
This normally occurs when the computer can't access the host (your server). It can be caused by several factors, such as:
-Internet connectivity is down
-The client does not have DNS servers configured or is configured with the incorrect DNS server IP addresses.
-The DNS servers are failing.
The step in the penetration testing life cycle is accomplished using rootkits or trojan horse programs is option a: maintain access.
<h3>What is maintaining access in penetration testing?</h3>
“Maintaining Access” is a stage of the penetration testing life cycle and it is said to have a real purpose.
It is one that tends to allow the pentester to stay in the set systems until he get the information he need that is valuable and then manages to take it successfully from the system.
Hence, The step in the penetration testing life cycle is accomplished using rootkits or trojan horse programs is option a: maintain access.
Learn more about penetration testing from
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The answer is B (Closest to; progressively larger dimensions outward from
Answer:
d. None of the mentioned
Explanation:
Cloud computing can be defined as a type of computing that requires shared computing resources such as cloud storage (data storage), servers, computer power, and software over the internet rather than local servers and hard drives.
Generally, cloud computing offers individuals and businesses a fast, effective and efficient way of providing services.
Cloud computing comprises of three (3) service models and these are;
1. Platform as a Service (PaaS).
2. Infrastructure as a Service (IaaS).
3. Software as a Service (SaaS).
All of the following statements are true and correct because they are standard internet protocols;
I. Virtual appliances are becoming a very important standard cloud computing deployment object. This depicts the Platform as a Service (PaaS).
II. Cloud computing requires some standard protocols.
III. Cloud computing relies on a set of protocols needed to manage interprocess communications.