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Showing 20 results · Page 4 for “networking”. More results are available below.
NSE6-SN · Network protection
A network rule should express a justified communication path with the necessary source, destination, protocol and service. Segmentation limits how far a compromise can spread, but only when …
NSE6-SN · Security architecture
A trust boundary is where data or actions cross between components with different security assumptions. Map those crossings and require appropriate validation, identity checks and authorizat…
NSE7-SN · FortiGate policy concepts
A FortiGate must select a path and apply the relevant security policy for a connection. Source and destination interfaces, addresses, services and translation affect the result. Inspect sess…
NSE7-SN · Network protection
A network rule should express a justified communication path with the necessary source, destination, protocol and service. Segmentation limits how far a compromise can spread, but only when …
NSE7-SN · Security architecture
A trust boundary is where data or actions cross between components with different security assumptions. Map those crossings and require appropriate validation, identity checks and authorizat…
Network+ · Networking Concepts
The seven OSI layers from the bottom are physical, data link, network, transport, session, presentation and application. Cables, hubs and signalling are layer 1. Switches, MAC addresses and …
Network+ · Networking Concepts
For IPv4, the number of usable hosts in a subnet is two to the power of the host bits minus two for the network and broadcast addresses. A /24 has 8 host bits, 256 addresses and 254 usable. …
Network+ · Networking Concepts
TCP establishes a connection with a three-way handshake (SYN, SYN-ACK, ACK), numbers every segment, acknowledges receipt, retransmits losses and controls flow with windows, so data arrives c…
Network+ · Networking Concepts
IPv6 addresses are 128 bits written as eight hextets, with leading zeros dropped and one run of zeros compressed to a double colon. Every interface gets a link-local address starting fe80::/…
Network+ · Networking Concepts
A maps a name to an IPv4 address and AAAA to IPv6. CNAME aliases one name to another and cannot coexist with other records at the same name. MX names the mail servers for a domain with prior…
Security+ · Security Architecture
…but the most expensive to keep. A warm site has power, networking and servers installed but needs the latest backups restored, so recovery takes hours. A cold site is essentially empty space…
Server+ · Server infrastructure
…dependencies through electricity, cooling, storage and networking. Plan maintenance and monitoring as well as spare capacity; an unnoticed failed redundant component leaves the server expose…
VCAP-VCF-AUTO · VMware vSphere operations
…n dependencies and failure modes. Plan shared storage, networking and spare host capacity for recovery. Inspect resource contention and host health alongside guest evidence. Features such as…
VCAP-VCF-OPS · Hybrid infrastructure architecture
…ent operational and failure characteristics. Identity, networking, data movement and support ownership must work across those boundaries. Decide where each workload belongs based on its depe…
VCAP-VCF-OPS · VMware vSphere operations
…n dependencies and failure modes. Plan shared storage, networking and spare host capacity for recovery. Inspect resource contention and host health alongside guest evidence. Features such as…
VCAP-VCF-STORAGE · VMware vSphere operations
…n dependencies and failure modes. Plan shared storage, networking and spare host capacity for recovery. Inspect resource contention and host health alongside guest evidence. Features such as…
VCAP-VCF-VKS · Kubernetes networking
A Kubernetes Service provides a stable way to reach a changing set of workload endpoints. Its selector must match the intended Pods, and those Pods need to be ready for normal traffic. Inspe…
VCP-DCV · VMware vSphere operations
…n dependencies and failure modes. Plan shared storage, networking and spare host capacity for recovery. Inspect resource contention and host health alongside guest evidence. Features such as…
VCP-NV · Data center networking
Data-center networks connect compute and storage across many links and devices. Redundant paths improve resilience when forwarding, loop prevention and failover work together. Consider east-…
VCP-NV · Network virtualization with NSX
Network virtualization separates logical segments and policy from the physical transport network. Overlay traffic still needs healthy underlay connectivity and appropriate packet handling. D…
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