WGU D413 TELECOMM AND WIRELESS
COMMUNICATIONS OA QUESTIONS AND
SOLUTIONS GRADED A+
◉ Multiplexing.
Answer: combines multiple signals into one signal to travel over a
channel.
◉ Advantages of multiplexing.
Answer: Increased bandwidth efficiency, reduced costs for
transmission infrastructure, and the ability to transmit multiple
signals simultaneously without interference.
◉ Cat5.
Answer: 100MHz
100Mbps
100m
◉ Cat5e.
Answer: 250MHz
1 Gbps
100m
,◉ Cat6.
Answer: 250MHz
1 Gbps | 10 Gbps
100m | 55m
◉ Cat6a.
Answer: 500MHz
10 Gbps
100m
◉ Cat7.
Answer: 600MHz
10 Gbps+
100m
◉ Cat8.
Answer: 2000Mhz
25/40 Gbps
30m
◉ 802.3.
, Answer: 10 Mbps
Original Ethernet
◉ 802.3u.
Answer: 100 Mbps
Fast Ethernet
◉ 802.3ab.
Answer: 1 Gbps (copper)
1000BASE-T (Cat 5e)
◉ 802.3z.
Answer: 1 Gbps (fiber)
1000BASE-SX/LX
◉ 802.3ae.
Answer: 10 Gbps(fiber)
10GBASE-SR/LR
◉ 802.3an.
Answer: 10 Gbps (copper)
10GBASE-T (Cat 6a)
COMMUNICATIONS OA QUESTIONS AND
SOLUTIONS GRADED A+
◉ Multiplexing.
Answer: combines multiple signals into one signal to travel over a
channel.
◉ Advantages of multiplexing.
Answer: Increased bandwidth efficiency, reduced costs for
transmission infrastructure, and the ability to transmit multiple
signals simultaneously without interference.
◉ Cat5.
Answer: 100MHz
100Mbps
100m
◉ Cat5e.
Answer: 250MHz
1 Gbps
100m
,◉ Cat6.
Answer: 250MHz
1 Gbps | 10 Gbps
100m | 55m
◉ Cat6a.
Answer: 500MHz
10 Gbps
100m
◉ Cat7.
Answer: 600MHz
10 Gbps+
100m
◉ Cat8.
Answer: 2000Mhz
25/40 Gbps
30m
◉ 802.3.
, Answer: 10 Mbps
Original Ethernet
◉ 802.3u.
Answer: 100 Mbps
Fast Ethernet
◉ 802.3ab.
Answer: 1 Gbps (copper)
1000BASE-T (Cat 5e)
◉ 802.3z.
Answer: 1 Gbps (fiber)
1000BASE-SX/LX
◉ 802.3ae.
Answer: 10 Gbps(fiber)
10GBASE-SR/LR
◉ 802.3an.
Answer: 10 Gbps (copper)
10GBASE-T (Cat 6a)