Network Communication and Wireless Flashcards

1
Q

What is unicast

A

one to one transfer of information between two systems

Web surfing, file transfer
does not scale

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2
Q

What is multicast

A

used when ONE device needs to send to MANY of MANY devices, which subscribe to information feed.

Very specialized

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3
Q

What is anycast

A

used when ONE device needs to send information to ONE of MANY devices

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4
Q

what is a broadcast

A

ONE to ALL relationship, everyone on network receives, limited to broadcast domain

best for routing updates or ARP requests

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5
Q

What is 802.11?

A

the standards associated with wireless networking

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6
Q

What is the order of IEEE 802.11 standards?

A

802.11a
b
g
n WiFi 4
ac WiFi 5
ax WiFi 6 and 6E
be WiFi 7

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7
Q

What impact has 5G had on IoT Devices?

A

larger data transfers, faster monitoring, additional cloud processing, etc.

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8
Q

Satellite Networking

A

High cost relative to terrestrial networking
Relatively high latency, although starlink is advertising better latency
High frequency, line of sight, rain fade

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9
Q
A
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