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القناة الأساسية
@stepbystep001

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popular through mid 90s
Anonymous Quiz
86%
bus
14%
switched
each "spoke❞ runs a (separate) Ethernet protocol (nodes do not collide with each other)
Anonymous Quiz
13%
bus
82%
switched
6%
hub
used to synchronize receiver, sender clock rates
Anonymous Quiz
64%
preamble
10%
addresses
5%
type
22%
CRC
if error detected the frame is dropped
Anonymous Quiz
29%
F
71%
T
cyclic redundancy check at receiver
Anonymous Quiz
3%
preamble
3%
type
89%
CRC
5%
addresses
6-byte source, destination MAC addresses
Anonymous Quiz
7%
preamble
7%
CRC
12%
type
75%
addresses
7 bytes of 10101010 followed by one byte of 10101011
Anonymous Quiz
59%
preamble
9%
CRC
22%
type
10%
addresses
Ethernet is connectionless: no handshaking between sending and receiving NICS
Anonymous Quiz
87%
T
13%
F
Which LAN technology was the first widely deployed high-speed LAN?
Anonymous Quiz
4%
Token ring
80%
Ethernet
13%
Wireless LAN
2%
FDDI
Ethernet's MAC protocol: ....with binary backof
Anonymous Quiz
10%
ALOHA
39%
slotted CSMA/CD
51%
unslotted CSMA/CD
Ethernet comes with common MAC protocol and frame format
Anonymous Quiz
92%
T
8%
F
What did switched Ethernet do to its effective data rates?
Anonymous Quiz
13%
Decreased the data rates
57%
Increased the data rates
14%
Made the data rates variable
16%
Al above
Which field in an Ethernet frame contains the IP datagram?
Anonymous Quiz
23%
Preamble field
27%
Destination address field
24%
Source address field
26%
Data field
Ethernet is more complex and expensive than Token ring.
Anonymous Quiz
30%
T
70%
F
What does the CRC field in an Ethernet frame allow the receiving adapter to do?
Anonymous Quiz
68%
Detect bit errors in the frame
24%
Identify the source adapter's MAC address
3%
Determine the frame size
5%
Verify the IP datagram
no handshaking between sending and receiving NICsno handshaking between sending and receiving NICs
Anonymous Quiz
9%
Unconnection
78%
connectionless
7%
reliable
5%
unreliable
CRC Size is ____ bit
Anonymous Quiz
43%
4
18%
8
14%
16
26%
32
receiving NIC doesn't send ACKs or NAKs to send NIC
Anonymous Quiz
7%
connection
14%
connectionless
18%
reliable
61%
unreliable
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