Which encryption type is commonly used to secure WiFi networks?
Answer : C
The CCST Cybersecurity Study Guide specifies that AES (Advanced Encryption Standard) is the encryption method used in modern WiFi security protocols like WPA2 and WPA3.
'WPA2 and WPA3 use the Advanced Encryption Standard (AES) for securing wireless traffic. AES provides strong symmetric encryption, replacing outdated methods like WEP and TKIP.'
(CCST Cybersecurity, Basic Network Security Concepts, Wireless Security section, Cisco Networking Academy)
A (DES) is outdated and insecure.
B (Triple DES) is older and slower, rarely used in WiFi.
C is correct: AES is the industry standard for WiFi security.
D (RSA) is asymmetric encryption used in key exchange, not bulk WiFi encryption.
Why is it necessary to update firmware to the latest version?
Answer : C
According to the CCST Cybersecurity Study Guide, firmware updates are a critical security maintenance task because vulnerabilities in firmware can be exploited by attackers to gain persistent control over hardware.
'Keeping firmware up to date is necessary to patch security vulnerabilities and weaknesses that could be exploited by threat actors. Vendors release firmware updates to correct security flaws, enhance stability, and ensure compatibility with updated security protocols.'
(CCST Cybersecurity, Endpoint Security Concepts, System and Firmware Maintenance section, Cisco Networking Academy)
A is partially true but not the primary security reason for updates.
B is incorrect because firmware is not part of the OS kernel; it's embedded in the hardware.
C is correct: patching vulnerabilities in firmware is essential for endpoint protection.
D may occur as a side benefit, but it's not the main reason from a cybersecurity perspective.
Which wireless security protocol provides the strongest protection for a home or small business network?
Answer : D
The CCST Cybersecurity Study Guide explains that WPA3 is the most current and secure Wi-Fi Protected Access protocol, offering stronger encryption and better protection against brute-force attacks compared to earlier versions.
'WPA3 improves wireless security by using more robust encryption methods and protections against offline password guessing, making it the recommended protocol for securing modern Wi-Fi networks.'
(CCST Cybersecurity, Basic Network Security Concepts, Wireless Security Protocols section, Cisco Networking Academy)
A threat actor sets up a rogue access point (AP) at a local cafe. The rogue AP captures traffic and then forwards the traffic to the cafe AP.
Which type of attack does this scenario describe?
Answer : B
The CCST Cybersecurity Study Guide describes a man-in-the-middle (MITM) attack as an attack where the adversary secretly intercepts and possibly alters communications between two parties, making them believe they are communicating directly. A rogue AP configured to pass traffic through itself before sending it on is a classic wireless MITM method.
'In a MITM attack, the attacker places themselves between the sender and receiver, intercepting and possibly altering data in transit. Rogue access points can facilitate MITM attacks in wireless environments.'
(CCST Cybersecurity, Basic Network Security Concepts, Wireless Threats section, Cisco Networking Academy)
A is incorrect: Reconnaissance is information gathering, not active interception.
B is correct: This is a wireless MITM attack.
C is incorrect: DDoS aims to overwhelm a service, not intercept data.
D is incorrect: Ransomware encrypts data for extortion.
You need to transfer configuration files to a router across an unsecured network.
Which protocol should you use to encrypt the files in transit?
Answer : D
The CCST Cybersecurity Study Guide highlights that SSH (Secure Shell) provides encrypted communication for secure remote access and file transfer (using SCP or SFTP) over unsecured networks. This ensures confidentiality and integrity of the files in transit.
'SSH encrypts all data exchanged between client and server, protecting credentials and file contents from interception. It is the preferred protocol for secure device management and file transfers across untrusted networks.'
(CCST Cybersecurity, Basic Network Security Concepts, Secure Remote Management section, Cisco Networking Academy)
A (Telnet) transmits data in plaintext.
B (HTTP) is unencrypted web traffic.
C (TFTP) is a simple, insecure file transfer protocol without encryption.
D is correct: SSH secures configuration file transfers across insecure networks.
You are planning to work from home. Your company requires that you connect to the company network through a VPN.
Which three critical functions do VPNs provide to remote workers? (Choose 3.)
Answer : C, D, E
The CCST Cybersecurity material states that a Virtual Private Network (VPN) provides secure communication over an untrusted network, typically by ensuring:
Authentication verifying the identity of the user/device
Confidentiality encrypting the data so it cannot be read by unauthorized parties
Integrity ensuring that transmitted data has not been altered in transit
'VPNs secure remote access by authenticating users, encrypting data for confidentiality, and ensuring integrity through cryptographic checks.'
(CCST Cybersecurity, Basic Network Security Concepts, VPNs section, Cisco Networking Academy)
A is incorrect: WAN management is a network administration function, not a VPN feature.
B is incorrect: Authorization is related but not a primary VPN security function.
C is correct: Integrity is preserved through cryptographic hashing.
D is correct: Authentication verifies user identity.
E is correct: Confidentiality is provided via encryption.
F is incorrect: Password management is separate from VPN functions.
Which Windows app is a command-line interface that includes a sophisticated scripting language used to automate Windows tasks?
Answer : A
The CCST Cybersecurity course identifies Windows PowerShell as both a command-line interface (CLI) and a robust scripting environment. It is used by system administrators for automation, configuration, and task scheduling.
'PowerShell is a Windows command-line shell and scripting language built on the .NET framework. It allows administrators to automate administrative tasks, manage system configurations, and execute complex scripts for system management.'
(CCST Cybersecurity, Endpoint Security Concepts, System Administration Tools section, Cisco Networking Academy)
A is correct: PowerShell provides both interactive command execution and scripting capabilities.
B (MMC) is a GUI-based management console, not a CLI.
C (Vim) is a text editor, not a Windows-native CLI.
D (MS-DOS) is a legacy command shell with no advanced scripting features comparable to PowerShell.