CCNA1 Lesson 3
Presentation
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Information Technology (IT)
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University
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Practice Problem
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Medium
Jerry Jackson Bent
Used 1+ times
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13 Slides • 10 Questions
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Open Ended
What is the OSI layer?
4
Multiple Choice
Which of the following is the first layer in the OSI model?
Physical Layer
Data Link Layer
Network Layer
Application Layer
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Multiple Choice
Why is understanding the physical layer important for building and maintaining computer networks?
Important for selecting appropriate hardware, ensuring reliable data transmission
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Fill in the Blanks
The process of wrapping data with the necessary information so it can travel across a network safely and correctly is called
Type answer...
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Open Ended
List the three functional areas addressed by physical layer standards.
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Multiple Choice
Which of the following best describes bandwidth in a digital network?
The speed at which a computer operates
The capacity at which a medium can carry data
The number of devices connected to a network
The distance data travels in a network
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Multiple Select
Which of the following are types of copper cabling used in networks?
Unshielded Twisted-Pair (UTP) Cable
Shielded Twisted-Pair (STP) Cable
Coaxial Cable
Fiber-Optic Cable
19
Multiple Select
Which of the following are types of wireless media mentioned in the lesson?
Wi-Fi (IEEE 802.11)
Bluetooth (IEEE 802.15)
Ethernet (IEEE 802.3)
Zigbee (IEEE 802.15.4)
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Multiple Choice
Which of the following is a main advantage of fiber optic cabling over other media?
Higher bandwidth and longer distance transmission
Lower cost than copper cabling
Easier to install than UTP cables
More susceptible to electromagnetic interference
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Fill in the Blanks
Optical fiber cable is immune to
Type answer...
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