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Cisco 100-160 Exam Syllabus Topics:

Topic	Details
Topic 1	Essential Security Principles: This section of the exam measures the skills of a Cybersecurity Technician and covers foundational cybersecurity concepts such as the CIA triad (confidentiality, integrity, availability), along with basic threat types and vulnerabilities, laying the conceptual groundwork for understanding how to protect information systems.
Topic 2	Endpoint Security Concepts:This section of the exam measures the skills of an Endpoint Security Specialist and includes securing individual devices, understanding protections such as antivirus, patching, and access control at the endpoint level, essential for maintaining device integrity.
Topic 3	Basic Network Security Concepts: This section of the exam measures the skills of a Network Defender and focuses on understanding network-level protections, including firewalls, VPNs, and intrusion detection prevention systems, providing insight into how threats are mitigated within network environments.
Topic 4	Incident Handling: This section of the exam measures the skills of an Incident Responder and centers on recognizing security incidents, responding appropriately, and containing threats—forming the essential foundation of incident response procedures.
Topic 5	Vulnerability Assessment and Risk Management: This section of the exam measures the skills of a Risk Management Analyst and entails identifying and assessing vulnerabilities, understanding risk priorities, and applying mitigation strategies that help manage threats proactively within an organization's systems

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Cisco Certified Support Technician (CCST) Cybersecurity Sample Questions (Q56-Q61):

NEW QUESTION # 56
What does hashing provide for data communication?

A. Data non-repudiation
B. Origin authentication
C. Data encryption
D. Data integrity

Answer: D

Explanation:
Hashing is a cryptographic technique that converts input data into a fixed-length output called a hash value or message digest.
Cryptographic hash functions are commonly used to verify that information has not been modified during storage or transmission.
For example, a sender calculates a hash value for a file before transferring it. The receiver independently calculates the hash of the received file and compares the two values.
If the hash values match, this provides evidence that the data has not changed, assuming a secure hash function and a trustworthy reference hash.
Key characteristics of cryptographic hashing:
* Deterministic: The same input produces the same hash output.
* Fixed-length output: The hash has a defined size regardless of input length.
* One-way operation: Secure hash functions are designed to make recovering the original input computationally infeasible.
* Collision resistance: It should be computationally infeasible to find two different inputs producing the same hash.
Why the other options are incorrect:
* A. Data non-repudiation: Typically requires digital signatures and supporting identity and key- management mechanisms. Hashing alone does not provide non-repudiation.
* B. Origin authentication: Requires an authentication mechanism such as a message authentication code (MAC) or digital signature. A plain hash cannot establish the sender ' s identity.
* C. Data encryption: Encryption protects confidentiality and can be reversed with the appropriate decryption key. Hashing is not encryption.
* D. Data integrity: Correct because cryptographic hashes can detect changes to data when compared against a trusted reference.
Important distinction: Hashing alone does not protect against an attacker replacing both the data and its hash.
Authenticated hashes, such as HMAC, or digital signatures address this limitation.
References:
Cisco CCST Cybersecurity - Essential Security Principles: Cryptography, Hashing, and Data Integrity.
NIST FIPS 180-4 - Secure Hash Standard (SHS).
NIST FIPS 180-4 - Secure Hash Standard

NEW QUESTION # 57
A client cannot connect to the corporate web server. You discover a large number of half-open TCP connections to the server.
What should you do?

A. Flush the DNS cache information.
B. Take action to stop the TCP SYN flood attack.
C. Change the connection protocol from HTTP to HTTPS.
D. Ignore the half-open connections because this is a normal part of the TCP three-way handshake.

Answer: B

Explanation:
The CCST Cybersecurity Study Guide identifies SYN flood attacks as a type of Denial of Service (DoS) attack that exploits the TCP three-way handshake. Attackers send many SYN requests without completing the handshake, leaving the server with numerous half-open connections and exhausting resources.
"A TCP SYN flood attack overwhelms a target server by initiating a high volume of TCP connections but never completing the handshake, resulting in numerous half-open connections that consume system resources and can render the service unavailable." (CCST Cybersecurity, Incident Handling, Denial-of-Service Attacks section, Cisco Networking Academy) A is correct: The proper action is to stop the SYN flood, often using firewalls, intrusion prevention systems, or SYN cookies.
B (switching to HTTPS) does not address the flooding issue.
C is incorrect because the excessive number of half-open connections indicates an attack, not normal operation.
D (flushing DNS cache) is unrelated to this type of attack.

NEW QUESTION # 58
Which protocol is commonly used for remote user authentication and authorization?

A. RADIUS
B. TACACS+
C. SSH
D. LDAP

Answer: A

Explanation:
RADIUS (Remote Authentication Dial-In User Service) is a widely-used protocol for remote user authentication and authorization. It provides centralized authentication, authorization, and accounting management for users who dial in or connect remotely to a network. RADIUS uses a client-server model where the client (network access server) forwards user authentication requests to the RADIUS server for validation.

NEW QUESTION # 59
What is the primary goal of a threat actor in a cyber attack?

A. To cause damage or disruption to a target
B. To exploit vulnerabilities in a system
C. To gain unauthorized access to a network
D. To identify and mitigate security risks

Answer: A

Explanation:
The primary goal of a threat actor in a cyber attack is typically to cause damage, disruption, or gain some form of unauthorized advantage. They may aim to steal sensitive data, encrypt files for ransom, disrupt services, or compromise the integrity of a system. Understanding the motivations of threat actors helps in building effective defense strategies.

NEW QUESTION # 60
How do Common Vulnerabilities and Exposures (CVEs) benefit cybersecurity professionals?

A. They provide a standardized approach for vulnerability management.
B. They ensure compliance with cybersecurity regulations.
C. They directly prevent cyberattacks.
D. They identify all possible vulnerabilities in an IT infrastructure.

Answer: A

Explanation:
Common Vulnerabilities and Exposures (CVEs) provide a standardized approach for vulnerability management across different software systems, hardware devices, or networks. Security professionals can use CVEs to track and manage vulnerabilities more effectively, making it easier to identify and prioritize patching needs. CVEs help in maintaining a consistent and systematic process for addressing vulnerabilities across the organization.

NEW QUESTION # 61
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