HCSCA101-103 Information Security Concepts

HCSCA101 Basic Concepts of Information Security

• Question 24: Information security involves implementing security monitoring and managing information systems to prevent illegal use. This relates to confidentiality, controllability, non-repudiation, and integrity.

HCSCA102 Information Security Standards and Specifications

• Question 42: The correct sequence of the four phases of an Information Security Management System (ISMS) is Plan-Check-Do-Action.
• Question 62: Terminal detection methods for information security include installing host antivirus software, monitoring the host registry modification record, and preventing access to public network search engines.

HCSCA103 Basic Network Concepts

• Question 26: Source MAC, Source IP, Destination IP, and Destination Port are components of a network quintet, excluding one component. The missing component from the quintet is not provided in the text.
• Question 30: The TCSEC standard includes verify protection level, forced protection level, independent protection level and passive protection level.
• Question 61: The European TCSEC Code is divided into two modules: Function and Evaluation, which are used in military, government, and commercial fields.

HCSCA104 Common Network Devices

• Question 51: A firewall's security zones can be configured with security zone priorities, though the firewall has a default configuration of four security zones, not 12.
• Question 51: Firewalls don't allow security zones with the same priority, but multiple zones are possible.

HCSCA105 Common Information Security Threats

• Question 8: DDoS attacks are a type of denial-of-service attack.

HCSCA107 Operating System Overview

• Question 38: MAC OS is not part of the LINUX operating system. Other options like CentOS, RedHat, and Ubuntu are parts of the system.

HCSCA108 Common Server Types and Threats

• Question 45: Server types include Blade, Tower, Rack, and X86 servers.
• Question 112: The vulnerability that has not yet been discovered is the 0-day vulnerability.

HCSCA109 Host Firewalls and Antivirus Software

• Question 47: Windows Firewall is a software firewall.
• Question 10: Advanced settings of Windows Firewall include restoring defaults, changing notification rules, setting connection security rules, and setting outbound rules.

HCSCA110 Introduction to Firewalls

• Question 59: To view the current session table, use the command "Display firewall session table."
• Question 25: Security policies can reference specific addresses or multiple destination IP addresses.

HCSCA111 Network Address Translation

• Question 68: "no-pat" in NAT configuration means to prevent conversion of the source port.

HCSCA112 Dual-System Hot Standby

• Question 86: Firewall active standby requires consistency in VRRP backup groups within the same VGMP management group, synchronizing session tables, MAC tables, and routing tables. VGMP ensures consistency of backup groups with regards to the switching mechanism of the firewall.
• Question 81: VRRP handles traffic redirection, VGMP is responsible for monitoring equipment failure, and HRP is responsible for backup during hot standby.

HCSCA113 Firewall User Management

• Question 15: Common remote authentication methods include RADIUS and Local.
• Question 56: Free certification is not a user authentication method on the USG firewall.

HCSCA114 Overview of Intrusion Prevention

• Question 67: To enable anti-virus functions within security policies, a license activation is necessary.
• Question 49: Intrusion Prevention Systems (IPS) can block intrusions in real time.

HCSCA117 Application of Cryptographic Technologies

• Question 14: Caesar Code is a data encryption method using a specific type of material but not a general specification.
• Question 2: Encryption types include symmetric encryption, asymmetric encryption, finger printing encryption and data encryption.
• Question 18, 87: Digital envelopes use asymmetric encryption algorithms.

HCSCA116 PKI Certificate System

• Question 31: PKI architecture components include End Entity, Certification Authority, Certificate Registration Authority, and Certificate Storage Organization.
• Question 52: Digital certificates come in various types determined by usage like local, CA, root, and self-signed certificates.
• Question 48, 53: PKI entities use various methods to request local certificates from the CA authority, which includes online, local, network, and offline applications. Key details, like the CA's public key for signature generation and the subject's public key, are critical aspects of a PKI certificate.

HCSCA115 Encryption and Decryption Mechanisms

• Question 98: The parameters of a packet header that do not require data integrity check in IPSec VPN tunnels are Source IP Address, TTL and Identification. Destination IP address does require data integrity for the transmission of data during this process.
• Question 7: AH and ESP security protocols can provide encryption and verification functions. The agreement number for AH is not 51; but the number may vary depending on the protocol version.
• Question 17: A recommended practice in Client-Initiated VPN configurations is to plan the address pool and to open proxy forwarding on the network gateway device.
• Question 105: Client-initiated VPNs establish tunnels between access users and the LNS, and each tunnel can carry multiple L2TP connections and one PPP connection.

HCSCA120 Digital Forensics

• Question 1: Warning events in log files represent successful application, driver, or service operations. Error events signify failed operations and lost data. Disk space issues can record as "information events." Failure audit events relate to security login attempts that have failed.
• Question 72: Port mirroring directs packets from the physical mirroring device to the monitoring device. The monitoring device receives copied packets from the physical mirrored device.
• Question 35: Evidence collection during investigations should always involve physical or digital forensics practices. Such forensic evidence is required.

HCSCA121 Cyber Security Emergency Response

• Question 149: Remote emergency response is the initial approach; local response follows if the problem persists.
• Question 71: Summary phase actions include evaluating contingency plans, proposing improvements and evaluating staff performance.
• Question 37: Real-time monitoring and testing are part of the methods for detection. Actively shutting down a service may not always be part of the process.

Additional Notes

• Question numbers and page numbers are included in the notes and may come in handy for verifying information, but they are not strictly necessary.
• Multiple choice questions are treated as general information and are included where applicable.

Test your knowledge on the fundamental concepts of information security, including the principles, standards, and network components essential for safeguarding information. This quiz covers topics from HCSCA101 to HCSCA103, focusing on security management systems and network security methodologies.