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Isaca CCOA Exam - Topic 5 Question 12 Discussion
Topic #: 5
Which of the following is a network port for service message block (SMS)?
Port 445 is used by Server Message Block (SMB) protocol:
SMB Functionality: Allows file sharing, printer sharing, and access to network resources.
Protocol: Operates over TCP, typically on Windows systems.
Security Concerns: Often targeted for attacks like EternalBlue, which was exploited by the WannaCry ransomware.
Common Vulnerabilities: SMBv1 is outdated and vulnerable; it is recommended to use SMBv2 or SMBv3.
Incorrect Options:
B . 143: Used by IMAP for email retrieval.
C . 389: Used by LDAP for directory services.
D . 22: Used by SSH for secure remote access.
Exact Extract from CCOA Official Review Manual, 1st Edition:
Refer to Chapter 5, Section 'Common Network Ports and Services,' Subsection 'SMB and Network File Sharing' - Port 445 is commonly used for SMB file sharing on Windows networks.
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