- (4)
Layer 2 is the data link layer, which works between the network layer and the physical layer. The addresses at layer 2 are called physical, burnt-in, or MAC addresses; the addresses are (mostly) set at point of manufacture.
The network layer address is referred to as a logical address because the addressing system is hierarchical. The most common network layer protocol address scheme is the IP address.
The correct combination is therefore Layer 2: MAC address | Layer 3: Logical Address. - (1)
The MAC address table matches MAC addresses to the relevant exit interface on a switch. The interface list is a list of the interfaces that are present on the switch. The ARP table matches IP addresses to MAC addresses, and the routing table is used on routers to track how to get from one network to the next. - (2)
The Cyclic Redundancy Check (CRC...
CCNA Cyber Ops SECOPS - Certification Guide 210-255
By :
CCNA Cyber Ops SECOPS - Certification Guide 210-255
By:
Overview of this book
Cybersecurity roles have grown exponentially in the IT industry and an increasing number of organizations have set up security operations centers (SOCs) to monitor and respond to security threats. The 210-255 SECOPS exam is the second of two exams required for the Cisco CCNA Cyber Ops certification. By providing you with fundamental knowledge of SOC events, this certification validates your skills in managing cybersecurity processes such as analyzing threats and malicious activities, conducting security investigations, and using incident playbooks.
You'll start by understanding threat analysis and computer forensics, which will help you build the foundation for learning intrusion analysis and incident response principles. The book will then guide you through vocabulary and techniques for analyzing data from the network and previous events. In later chapters, you'll discover how to identify, analyze, correlate, and respond to incidents, including how to communicate technical and inaccessible (non-technical) examples. You'll be able to build on your knowledge as you learn through examples and practice questions, and finally test your knowledge with two mock exams that allow you to put what you’ve learned to the test.
By the end of this book, you'll have the skills to confidently pass the SECOPS 210-255 exam and achieve CCNA Cyber Ops certification.
Table of Contents (24 chapters)
Preface
Free Chapter
Section 1: Endpoint Threat Analysis and Forensics
Classifying Threats
Operating System Families
Computer Forensics and Evidence Handling
Section 2: Intrusion Analysis
Identifying Rogue Data from a Dataset
Warning Signs from Network Data
Network Security Data Analysis
Section 3: Incident Response
Roles and Responsibilities During an Incident
Network and Server Profiling
Compliance Frameworks
Section 4: Data and Event Analysis
Data Normalization and Exploitation
Drawing Conclusions from the Data
Section 5: Incident Handling
The Cyber Kill Chain Model
Incident-Handling Activities
Section 6: Mock Exams
Mock Exam 1
Mock Exam 2
Assessments
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