Lesson 2: explaining properties of net traffic Flashcards
1
Q
cabled media (boundless) meaning
A
grounded copper/fiber cables
2
Q
wireless media(unbounded) meaning
A
radio waves
3
Q
baseband transmission =
A
digital signaling
4
Q
what does baud rate use?
A
symbols
5
Q
bit rate is (analogy)
A
speed you can travel on highway
6
Q
bandwidth is (analogy)
A
size of highway
7
Q
collision domains is what layer’s issue?
A
layer 1
8
Q
collision domains issue involving wifi/legacy
A
layer 2
9
Q
half-duplex means
A
only 1 device can talk at a time
10
Q
CSMA/CD (w/collision detection)
A
wired and legacy
11
Q
CSMA/CA (w/collision avoidance)
A
wireless
12
Q
is wi-fi half duplex?
A
yes
13
Q
All layer 1 devices can ____
A
broadcast
14
Q
broadcast domain is determined by __
A
layer 3 devices
15
Q
layer 3 can what?
A
broadcast, multicast, and unicast
