The WannaCry ransomware primarily exploited vulnerabilities in the SMB (Server Message Block) version 1 protocol to propagate across network systems. Microsoft had identified vulnerabilities in SMBv1, which were exploited by the EternalBlue exploit to spread the ransomware. This led to widespread infections, particularly in systems that had not applied the security updates released to patch the vulnerability.References:
Microsoft Security Bulletin MS17-010, "Security Update for Microsoft Windows SMB Server".
Question 21
A Virtual Private Network (VPN) requires how many Security Associations?
A Virtual Private Network (VPN) typically requires two Security Associations (SAs) for a secure communication session. One SA is used for inbound traffic, and the other for outbound traffic.
In the context of IPsec, which is often used to secure VPN connections, these two SAs facilitate the bidirectional secure exchange of packets in a VPN tunnel.
Each SA uniquely defines how traffic should be securely processed, including the encryption and authentication mechanisms. This ensures that data sent in one directionis handled independently from data sent in the opposite direction, maintaining the integrity and confidentiality of both communication streams.
References
"Understanding IPSec VPNs," by Cisco Systems.
"IPsec Security Associations," RFC 4301, Security Architecture for the Internet Protocol.
Question 22
What is the size of the AH in bits with respect to width?
The Authentication Header (AH) in the context of IPsec has a fixed header portion of 24 bits and a mutable part that can vary, but when considering the fixed structure of the AH itself, the width is typically considered to be 32 bits at its core structure for basic operations in providing integrity and authentication, without confidentiality.References:
RFC 4302, "IP Authentication Header".
Georgina
I used Cramkey Dumps to prepare for my recent exam and I have to say, they were a huge help.
CoreyOct 2, 2024
Really? How did they help you? I know these are the same questions appears in exam. I will give my try. But tell me if they also help in some training?
Josie
I just passed my certification exam using their dumps and I must say, I was thoroughly impressed.
FatimahOct 24, 2024
You’re right. The dumps were authentic and covered all the important topics. I felt confident going into the exam and it paid off.
Ayesha
They are study materials that are designed to help students prepare for exams and certification tests. They are basically a collection of questions and answers that are likely to appear on the test.
AydenOct 16, 2024
That sounds interesting. Why are they useful? Planning this week, hopefully help me. Can you give me PDF if you have ?
Inaya
Passed the exam. questions are valid. The customer support is top-notch. They were quick to respond to any questions I had and provided me with all the information I needed.
CillianOct 20, 2024
That's a big plus. I've used other dump providers in the past and the customer support was often lacking.
Marley
Hey, I heard the good news. I passed the certification exam!
JaxsonOct 5, 2024
Yes, I passed too! And I have to say, I couldn't have done it without Cramkey Dumps.