Usb,cd, thunderbolt speeds and mbps/ Wattage and IP adresses , and devices

USB 2.0:

480 Mbps (Mega bits per second).

USB 3.2 gen 1 superspeed

5gbs

USB 3.2 Gen 2×1

10gb

USB 3.2 2×2

20gb usb

USB 4:

Up to 40 Gbps. usb

Thunderbolt 1:

10 Gbps, thund

Thunderbolt 2:

20 Gbps. thund

Thunderbolt 3:

Up to 40 Gbps. thund

Thunderbolt 4:

40 Gbps. thund

Thunderbolt 5:

80 gbs base line Up to 120 Gbps

CD

can store up to 700 MB

DVD- single-layer disc

4.7 GB disc

DVD-dual-layer disc.

8.5 GB

Blu-ray disc-single-layer

25 GB disc

Blu-ray disc-a dual-layer disc

50 GB disc

PoE can support up to

15.4W

PoE+ can support up to

25W.

802.3af (PoE) can support up to

15.4W of power at a distance of up to 100 meters

802.3at (PoE+) standard can support up to

25W of power at a distance of up to 100 meters

802.3bt (PoE++) (Type 3)

51W , 600 MA Max current

802.3bt (PoE++) (Type 4)

71.3 W, 960 MA max current

Loopback for IPV6

::1

Loopback for IPV4

127.0.0.1 to 127.255.255.1 also ping for NIC

Private IP’s

10 / 172 / 192

Public Ip’s

1 / 11 / 128 / 224/ 248

APIPA IP range

169.254.0.0 to 169.254.255.255

Layer 2 switch

These switches operate at the data link layer, which uses MAC addresses to identify devices on the network. Act as a bridge

Layer 3 switches

These switches operate at the network layer, which uses IP addresses to identify devices. They act like routers, forwarding data to the correct network or subnet based on the destination IP address.

Repeater

an electronic device that receives a signal and retransmits it

USB 1.1

12mbps

Type 1 hypervisor,

uses a specialized hypervisor OS to run the virtual machines

Type 2 hypervisor

runs on top of an existing operating system.

Advanced Technology Extended (ATX)

12 inches wide by 9.6 inches deep and 7 expansion slots

Micro-ATX (mATX) standard

9.6-inch, have 4 expansion slots

Mini-ITX

6.7 inch and one expansion slot

mac Adress

48 bit

Ip adress

32 bits

Mac Adress hemdecimal

12 bit