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neler13 | CompTIA A+ | Module 2.9 - Compare Network Devices

By: neler13 | Related Course: CompTIA A+ | Published: January 16, 2018 | Modified: January 21, 2018
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NotepadAccess Point (Wireless)

wireless access point allows you to take a Wireless device and connect to it to connect to the network. Not all wireless access points are wireless routers. Sometimes access points don’t route at all. Access points are good for boosting signals or increase signal range. Certain access

Can have multiple access points.
Wireless a


NotepadNAS

Transfers data. Additional storage.

Network attached storage. Small device self
configuring self setup device like a small computer that already has its hardware, firmware and software already installed on it. Has hard drives that act as additional storage for our network. are has hard drives
We plug this device in to one of our ports

Can have RAID so if one of the drives fails information is stored.

Preconfigured good to go. They are just additional storage on our network. We can connect to them NAS.

Firewall- called hardware firewalls

Hardware firewall are used to filter what data that goes in and out of our home network.


NotepadSwitch

Switch connects by RJ45

Ports are numbered

MAC address are physically built into the device. Computer A has a MAC address.  B has own  and C does too. Switch takes packet and sends only to the intended recipient.

Layer 2 switch just remembers MAC address.

Layer 3 switch is called a router. For larger area.  Similar to Router.

Switch has only one Ethernet cable .  The switch will be able to move traffic around


NotepadVOIP

VOIP = Voice over Internet Protocol
Connection over internet
Sometimes less expensive than over telephone
Uses RJ45 cable or standard RJ 11

Voip phones might not route to 911.

Internet appliance– single device
All in one device can switch, and route.
May be beneficial if

VOIp can cut costs.


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