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>> Exam Topics IIBA-CCA Pdf <<
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NEW QUESTION # 46
Which of the following control methods is used to protect integrity?
Answer: C
Explanation:
Integrity means information and systems remain accurate, complete, and protected from unauthorized or improper modification. The Principle of Least Privilege is a direct integrity protection control because it limits who can change data and what changes they are allowed to make. Under least privilege, users, applications, and service accounts receive only the minimum permissions needed to perform approved tasks, and nothing more. This reduces the chance that an attacker using a compromised account can alter records, manipulate transactions, or change configurations, and it also reduces accidental changes by well-meaning users who do not need write or administrative rights.
Least privilege is commonly enforced through role-based access control, separation of duties, restricted administrative roles, just-in-time elevation for privileged tasks, and periodic access reviews to remove excess permissions. These practices are emphasized in cybersecurity frameworks because integrity failures often occur when excessive access allows unauthorized edits to sensitive data, logs, security settings, or application code.
The other options relate to security but are less directly tied to integrity as the primary objective. Biometric verification is an authentication method that helps confirm identity; it supports access control broadly, but it does not by itself limit modification capability once access is granted. Anti-malicious code detection helps prevent malware that could corrupt data, but it is primarily a detection/prevention tool rather than the foundational control for authorized modification. Backups and redundancy primarily support availability and recovery after corruption, not the prevention of unauthorized changes.
NEW QUESTION # 47
How does Transport Layer Security ensure the reliability of a connection?
Answer: C
Explanation:
Transport Layer Security (TLS) strengthens the trustworthiness of application communications by ensuring that data exchanged over an untrusted network is not silently modified and is coming from the expected endpoint. While TCP provides delivery features such as sequencing and retransmission, TLS contributes to what many cybersecurity documents describe as "reliable" secure communication by adding cryptographic integrity protections. TLS uses integrity checks (such as message authentication codes in older versions/cipher suites, or authenticated encryption modes like AES-GCM and ChaCha20-Poly1305 in modern TLS) so that any alteration of data in transit is detected. If an attacker intercepts traffic and tries to change commands, session data, or application content, the integrity verification fails and the connection is typically terminated, preventing corrupted or manipulated messages from being accepted as valid.
This is distinct from merely being "stateful" (a transport-layer property) or "using TCP/IP" (a networking stack choice). TLS can run over TCP and relies on TCP for delivery reliability, but TLS itself is focused on confidentiality, integrity, and endpoint authentication. Public/private keys and certificates are used during the TLS handshake to authenticate servers (and optionally clients) and to establish shared session keys, but the ongoing protection that prevents undetected tampering is the integrity check on each protected record. Therefore, the best match to how TLS ensures secure, dependable communication is the message integrity mechanism described in option B.
NEW QUESTION # 48
What is an embedded system?
Answer: D
Explanation:
An embedded system is a specialized computing system designed to perform a dedicated function as part of a larger device or physical system. Unlike general-purpose computers, embedded systems are built to support a specific mission such as controlling sensors, actuators, communications, or device logic in products like routers, printers, medical devices, vehicles, industrial controllers, and smart appliances. Cybersecurity documentation commonly highlights that embedded systems tend to operate with constrained resources, which may include limited CPU power, memory, storage, and user interface capabilities. These constraints affect both design and security: patching may be harder, logging may be minimal, and security features must be carefully engineered to fit the platform's limitations.
Option C best matches this characterization by describing a small form factor and limited processing power, which are typical attributes of many embedded devices. While not every embedded system is "small," the key idea is that it is purpose-built, resource-constrained, and tightly integrated into a larger product.
The other options describe different concepts. A secure underground facility relates to physical site security, not embedded computing. Being hard to remove is about physical installation or tamper resistance, which can apply to many systems but is not what defines "embedded." Storing cryptographic keys in a tamper-resistant external device describes a hardware security module or secure element use case, not the general definition of an embedded system.
NEW QUESTION # 49
What things must be identified to define an attack vector?
Answer: A
Explanation:
An attack vector is the route or method used to compromise an environment, and it is typically described as the way a threat actor exploits a vulnerability to gain unauthorized access, execute code, steal data, or disrupt services. To define an attack vector correctly, cybersecurity documents emphasize that you must identify both parts of that relationship: who or what is attacking and what weakness is being exploited. The "attacker" component represents the threat source or threat actor, including their capability and intent (for example, cybercriminals using phishing, insiders abusing access, or automated botnets scanning the internet). The "vulnerability" component is the specific weakness or exposure that enables success, such as a missing patch, weak authentication, misconfiguration, excessive permissions, insecure coding flaw, or lack of user awareness.
Without identifying the attacker, you cannot properly characterize the likely techniques, scale, and motivation driving the vector. Without identifying the vulnerability, you cannot define the practical entry point and control gaps that make the vector feasible. Together, attacker plus vulnerability allows defenders to map realistic scenarios, prioritize controls, and select mitigations that reduce likelihood and impact. Those mitigations may include patching, configuration hardening, strong authentication, least privilege, network segmentation, user training, and monitoring. The other options list technology elements that can be involved in an incident, but they do not capture the essential definition of an attack vector as an exploitation path driven by a threat actor leveraging a weakness
NEW QUESTION # 50
Separation of duties, as a security principle, is intended to:
Answer: C
Explanation:
Separation of duties is a foundational access-control and governance principle designed to reduce the likelihood of misuse, fraud, and significant mistakes by ensuring that no single individual can complete a critical process end-to-end without independent oversight. Cybersecurity and audit frameworks describe this as splitting high-risk activities into distinct roles so that one person's actions are checked or complemented by another person's authority. This limits both intentional abuse, such as unauthorized payments or data manipulation, and unintentional errors, such as misconfigurations or accidental deletion of important records.
In practice, separation of duties is implemented by defining roles and permissions so that incompatible functions are not assigned to the same account. Common examples include separating the ability to create a vendor from the ability to approve payments, separating software development from production deployment, and separating system administration from security monitoring or audit log management. This is reinforced through role-based access control, approval workflows, privileged access management, and periodic access reviews that detect conflicting entitlements and privilege creep.
The value of separation of duties is risk reduction through accountability and control. When actions require multiple parties or independent review, it becomes harder for a single compromised account or malicious insider to cause large harm without detection. It also improves reliability by introducing checkpoints that catch mistakes earlier. Therefore, the correct purpose is to prevent fraud and error.
NEW QUESTION # 51
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