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Certification
Skills,
Path,
Responsibilities,
and Career Guide.pdf
Certification Path, and Career Guide.pdf
,Level 4 Network Engineer.pdf Level 4 Network Engineer.pdf Level 4 Network Engineer.pdf
Terms in this set (49)
Router • Connects multiple networks together
• Receives data from a directly connected network, forwards it to the
destination network's router
What do routers do? Routers move packets between networks.
Routing allows devices separated on different LANs to talk to each other by
determining the next "hop" that will allow the network packet to eventually
get to its destination.
Routes data from one network to another based on their IP address.
Firewall - Monitors incoming/outgoing traffic.
- Allows or blocks specific traffic based on a defined set of security rules.
Level 4 Network Engineer.pdf Level 4 Network Engineer.pdf Level 4 Network Engineer.pdf
, Level 4 Network Engineer.pdf Level 4 Network Engineer.pdf Level 4 Network Engineer.pdf
What do firewalls do? They examine all data entering and leaving the network blocking any
potential threats.
Firewalls are security devices at the edge of the network.
Rules can be created which allow a specific port and/or protocol for traffic
from one device (or a group of devices) to a device or group of devices.
Function of hub and switches Hubs and switches are used to exchange data within a local area network.
Level 4 Network Engineer.pdf Level 4 Network Engineer.pdf Level 4 Network Engineer.pdf