1.6 Describe IP subnets and communication within an IP subnet and between IP subnets. IP subnets are used to divide a network into smaller broadcast domains. Communication within an subnet is done directly from one host to another using ARP for resolving the MAC address of the host. When a host on one subnet communicates […]
1.1 Describe the function of the network layers as specified by the OSI and the TCP/IP network models. OSI Model Application: HTTP, SSH, IMAP Presentation: Encoding Session: Sockets, Winsock Transport: UDP/TCP Network: Packets, IP, Routers (Layer-3 Switches) Data-Link: Switches, MAC Address, Frames Physical: Cabling, Media, Hubs Acrostic to remember in order, All People Seem To […]
Cisco’s cybersecurity certification is the CCNA CyberOps. The certification is composed of two exams. The first exam is 210-250 SECFND: Understanding Cisco Cybersecurity Fundamentals. This exam sets the foundation for an engineer to understand the terminology and tools used by a Security Operations Center(SOC) engineer. The second half of the certification is the 210-255 SECOPS: […]
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