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| Section | Weight | Objectives |
|---|---|---|
| Network Security Controls, Protocols, and Devices | 8% | - Encryption and PKI - Security protocols and devices (firewalls, IDS/IPS) - Access control mechanisms - Authentication, Authorization, and Accounting (AAA) |
| Virtual, Cloud, and Wireless Network Protection | 15% | - Wireless network security protocols and hardening - Software-defined networking security - Cloud security models (IaaS, PaaS, SaaS) - Virtualization and container security |
| Incident Detection, Response, and Recovery | 14% | - Network traffic monitoring and analysis - Incident handling and response procedures - Business continuity and disaster recovery - Log management and correlation |
| Application and Data Protection | 10% | - Data security, encryption, and integrity - Web and cloud application security - Database security and protection - Secure application development and deployment |
| Security Policies, Standards, and Compliance | 6% | - Compliance requirements and audits - Design and implementation of security policies - Industry standards, laws, and regulations |
| Network Threats, Attacks, and Vulnerabilities | 12% | - Attack methodologies and defense strategies - Types of threats and attack vectors - Vulnerability assessment and classification |
| Computer Network and Defense Fundamentals | 5% | - IP addressing and protocols - Network defense concepts and processes - OSI and TCP/IP models - Network types, topologies, and components |
| Network Perimeter Protection | 10% | - Firewall deployment and configuration - Network segmentation and isolation - DMZ, VPN, and secure gateway implementation - Perimeter security architecture |
| Endpoint Protection | 20% | - Endpoint detection and response - Mobile and IoT device security - Endpoint security controls and software - Operating system hardening (Windows, Linux) |
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質問 # 205
Hacktivists are threat actors, who can be described as -------------------
正解：B
解説：
Hacktivists are individuals or groups that use computer networks and hacking techniques to promote a political or social agenda. Unlike other threat actors who may be motivated by financial gain or personal beliefs, hacktivists typically aim to draw attention to social, environmental, or political issues. They often engage in activities such as website defacement, denial-of-service attacks, or the release of confidential information to make a statement or force change related to their cause.
質問 # 206
Andrew would like to configure IPsec in a manner that provides confidentiality for the content of packets.
What component of IPsec provides this capability?
正解：D
解説：
The Encapsulating Security Payload (ESP) component of IPsec is designed to provide confidentiality for the content of packets. ESP encrypts the data payload of IP packets to ensure that the information being transmitted remains confidential and cannot be accessed or intercepted by unauthorized parties. This encryption is crucial for protecting sensitive data as it travels across insecure networks, such as the internet.
References: The role of ESP in providing confidentiality within the IPsec protocol is well-documented and aligns with the security objectives of IPsec to protect IP traffic through encryption and other security measures1234.
質問 # 207
Which of the following biometric devices is used to take impressions of the friction ridges of the skin on the underside of the tip of the fingers?
正解：A
解説：
A fingerprint reader is used to take impressions of the friction ridges of the skin on the underside of the tip of the fingers. Fingerprints help in identifying users and are unique and different to everyone and do not change over time. Even identical twins who share their DNA do not have the same fingerprints. Police and Government agencies have used these modes in order to identify humans for many years, but other agencies are starting to use biometric fingerprint readers for identification in many different applications.A fingerprint is created when the friction ridges of the skin come in contact with a surface that is receptive to a print by means of an agent to form the print like perspiration, oil, ink, grease, and many more. The agent is then transferred to the surface and leaves an impression which creates the fingerprint. Answer option B is incorrect. An iris camera is used to perform recognition detection of a user's identity by mathematical analysis of the random patterns that are visible within the iris of an eye from some distance. It is used to combine computer vision, pattern recognition, statistical inference, and optics. Answer option A is incorrect. A facial recognition device helps in viewing an image or video of a person and compares it to one that is in the database. It performs facial recognition by comparing the following:Structure, shape, and proportions of the face Distance between the eyes, nose, mouth, and jaw Upper outlines of the eye sockets The sides of the mouth Location of the nose and eyes The area surrounding the check bonesAnswer option C is incorrect. A voice recognition voiceprint is a spectrogram, which is a graph that shows a sound's frequency on the vertical axis and time on the horizontal axis. Different speech sounds help in creating different shapes on the graph. Spectrograms also use color or shades of gray to represent the acoustical qualities of sound.
質問 # 208
Frank is a network technician working for a medium-sized law firm in Memphis. Frank and two other IT employees take care of all the technical needs for the firm. The firm's partners have asked that a secure wireless network be implemented in the office so employees can move about freely without being tied to a network cable. While Frank and his colleagues are familiar with wired Ethernet technologies, 802.3, they are not familiar with how to setup wireless in a business environment. What IEEE standard should Frank and the other IT employees follow to become familiar with wireless?
正解：C
解説：
The correct IEEE standard for wireless networking in a business environment is 802.11. This series of standards defines the protocols for implementing wireless local area network (WLAN) communications in various frequencies, including 2.4, 5, and 60 GHz bands. The 802.11 standards are widely used worldwide and form the basis of wireless network products that are marketed under the Wi-Fi brand. Frank and his colleagues should familiarize themselves with the 802.11 standards to set up a secure wireless network for their firm.
References: The information is based on the IEEE 802.11 series of standards, which are the foundation for Wi-Fi wireless networks. These standards have been developed to ensure interoperability between wireless devices and to provide a secure and reliable means of communication12.
質問 # 209
Which RAID level system provides very good data performance but does not offer fault tolerance and data redundancy?
正解：D
解説：
RAID level 0, also known as striping, provides very good data performance because it spreads data across multiple disks, which can significantly increase speed for read and write operations.
However, it does not offer fault tolerance or data redundancy. If any single disk fails in a RAID 0 setup, all data in the array is lost, making it unsuitable for mission-critical systems.
質問 # 210
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