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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Network Security Controls, Protocols, and Devices | 8% | - Access control mechanisms - Authentication, Authorization, and Accounting (AAA) - Security protocols and devices (firewalls, IDS/IPS) - Encryption and PKI |
| Topic 2: Network Threats, Attacks, and Vulnerabilities | 12% | - Types of threats and attack vectors - Vulnerability assessment and classification - Attack methodologies and defense strategies |
| Topic 3: Endpoint Protection | 20% | - Mobile and IoT device security - Endpoint detection and response - Operating system hardening (Windows, Linux) - Endpoint security controls and software |
| Topic 4: Incident Detection, Response, and Recovery | 14% | - Incident handling and response procedures - Network traffic monitoring and analysis - Business continuity and disaster recovery - Log management and correlation |
| Topic 5: Virtual, Cloud, and Wireless Network Protection | 15% | - Cloud security models (IaaS, PaaS, SaaS) - Software-defined networking security - Virtualization and container security - Wireless network security protocols and hardening |
| Topic 6: Computer Network and Defense Fundamentals | 5% | - Network types, topologies, and components - OSI and TCP/IP models - IP addressing and protocols - Network defense concepts and processes |
| Topic 7: Network Perimeter Protection | 10% | - Perimeter security architecture - DMZ, VPN, and secure gateway implementation - Network segmentation and isolation - Firewall deployment and configuration |
| Topic 8: Application and Data Protection | 10% | - Secure application development and deployment - Data security, encryption, and integrity - Database security and protection - Web and cloud application security |
| Topic 9: Security Policies, Standards, and Compliance | 6% | - Design and implementation of security policies - Compliance requirements and audits - Industry standards, laws, and regulations |
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NEW QUESTION # 255
Which of the Windows security component is responsible for controlling access of a user to Windows resources?
Answer: A
NEW QUESTION # 256
Which of the following representatives of the incident response team takes the forensic backups of systems that are essential event?
Answer: D
NEW QUESTION # 257
Cindy is the network security administrator for her company. She just got back from a security conference in Las Vegas where they talked about all kinds of old and new security threats; many of which she did not know of. She is worried about the current security state of her company's network so she decides to start scanning the network from an external IP address. To see how some of the hosts on her network react, she sends out SYN packets to an IP range. A number of IPs responds with a SYN/ACK response. Before the connection is established, she sends RST packets to those hosts to stop the session. She has done this to see how her intrusion detection system will log the traffic. What type of scan is Cindy attempting here?
Answer: C
Explanation:
The technique Cindy is using is known as a half-open scan, or SYN scan. This method involves sending SYN packets, which are the initial step in establishing a TCP connection, to various hosts to determine if the ports are listening. If a host responds with a SYN/ACK, it indicates that the port is open and ready to establish a connection. Cindy then sends an RST packet to terminate the session before the connection is fully established. This type of scan is useful for mapping out live hosts on a network without completing the TCP three-way handshake, thus avoiding the creation of a full connection and reducing the likelihood of detection by intrusion detection systems.
References: The information about half-open scans can be found in various security resources and aligns with the ECCouncil's Network Defender (CND) objectives. It is a common technique discussed in network security literature for its efficiency and stealth123.
NEW QUESTION # 258
Which of the following is a computer networking protocol used by hosts to retrieve IP address assignments and other configuration information?
Answer: B
Explanation:
The Dynamic Host Configuration Protocol (DHCP) is a computer networking protocol used by hosts (DHCP clients) to retrieve IP address assignments and other configuration information. DHCP uses a client-server architecture. The client sends a broadcast request for configuration information. The DHCP server receives the request and responds with configuration information from its configuration database. In the absence of DHCP, all hosts on a network must be manually configured individually - a time-consuming and often error-prone undertaking. DHCP is popular with ISP's because it allows a host to obtain a temporary IP address. Answer option B is incorrect. Address Resolution Protocol (ARP) is a network maintenance protocol of the TCP/IP protocol suite. It is responsible for the resolution of IP addresses to media access control (MAC) addresses of a network interface card (NIC). The ARP cache is used to maintain a correlation between a MAC address and its corresponding IP address. ARP provides the protocol rules for making this correlation and providing address conversion in both directions. ARP is limited to physical network systems that support broadcast packets. Answer option A is incorrect. The Simple Network Management Protocol (SNMP) allows a monitored device (for example, a router or a switch) to run an SNMP agent. This protocol is used for managing many network devices remotely. When a monitored device runs an SNMP agent, an SNMP server can then query the SNMP agent running on the device to collect information such as utilization statistics or device configuration information. An SNMP-managed network typically consists of three components: managed devices, agents, and one or more network management systems. Answer option D is incorrect. Telnet (Telecommunication network) is a network protocol used on the Internet or local area networks to provide a bidirectional interactive communications facility. Typically, Telnet provides access to a command-line interface on a remote host via a virtual terminal connection which consists of an 8-bit byte oriented data connection over the Transmission Control Protocol (TCP). User data is interspersed in-band with TELNET control information. Typically, the Telnet protocol is used to establish a connection to Transmission Control Protocol (TCP) port number 23.
NEW QUESTION # 259
Which of the following protocols is used for inter-domain multicast routing and natively supports
"source-specific multicast" (SSM)?
Answer: B
NEW QUESTION # 260
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