Podcast
Questions and Answers
What is the difference between bandwidth and throughput?
What is the difference between bandwidth and throughput?
- Bandwidth measures actual data transmitted; throughput is theoretical.
- Throughput measures actual data transmitted; bandwidth is theoretical. (correct)
- Bandwidth and throughput are the same.
- Bandwidth is always lower than throughput.
What unit is used to measure bandwidth and throughput?
What unit is used to measure bandwidth and throughput?
- Bytes per second
- Bits per second (correct)
- Hertz
- Decibels
Which of the following is NOT a type of noise affecting network cables?
Which of the following is NOT a type of noise affecting network cables?
- Electromagnetic interference (EMI)
- Cross-talk
- Attenuation (correct)
- Jitter
What is attenuation?
What is attenuation?
What tool is commonly used to regenerate a digital signal to compensate for attenuation?
What tool is commonly used to regenerate a digital signal to compensate for attenuation?
Which type of cross-talk occurs near the source of transmission?
Which type of cross-talk occurs near the source of transmission?
In which type of communication can signals only travel in one direction?
In which type of communication can signals only travel in one direction?
Which multiplexing technique divides a channel into time intervals?
Which multiplexing technique divides a channel into time intervals?
What type of cable is considered "legacy" but is still used for short connections?
What type of cable is considered "legacy" but is still used for short connections?
What is the purpose of twisting pairs in twisted-pair cables?
What is the purpose of twisting pairs in twisted-pair cables?
What is the most commonly used twisted-pair cable category in modern LANs?
What is the most commonly used twisted-pair cable category in modern LANs?
Which type of twisted-pair cable provides better noise resistance?
Which type of twisted-pair cable provides better noise resistance?
Which standard is used for inserting wires into RJ-45 plugs?
Which standard is used for inserting wires into RJ-45 plugs?
What type of cable has reversed transmit and receive wires?
What type of cable has reversed transmit and receive wires?
Which IEEE standard specifies PoE?
Which IEEE standard specifies PoE?
What is the maximum power supplied by PoE+?
What is the maximum power supplied by PoE+?
What component of a fiber-optic cable reflects light back to the core?
What component of a fiber-optic cable reflects light back to the core?
What is a key advantage of fiber-optic cable over copper?
What is a key advantage of fiber-optic cable over copper?
What is a characteristic of Single-Mode Fiber (SMF)?
What is a characteristic of Single-Mode Fiber (SMF)?
What is the main limitation of Multi-Mode Fiber (MMF)?
What is the main limitation of Multi-Mode Fiber (MMF)?
What is the most common connector for MMF cables?
What is the most common connector for MMF cables?
What type of connector polish minimizes back reflection?
What type of connector polish minimizes back reflection?
What tool is used to test for open or short circuits in a cable?
What tool is used to test for open or short circuits in a cable?
What does a Time Domain Reflectometer (TDR) measure?
What does a Time Domain Reflectometer (TDR) measure?
What troubleshooting tool is used to locate a break in a fiber-optic cable?
What troubleshooting tool is used to locate a break in a fiber-optic cable?
What is the primary advantage of Shielded Twisted Pair (STP) over Unshielded Twisted Pair (UTP)?
What is the primary advantage of Shielded Twisted Pair (STP) over Unshielded Twisted Pair (UTP)?
What is the maximum recommended length for an Ethernet cable segment?
What is the maximum recommended length for an Ethernet cable segment?
Which type of fiber-optic cable is typically used for long-distance communication?
Which type of fiber-optic cable is typically used for long-distance communication?
Which device is used to convert signals between copper and fiber-optic networks?
Which device is used to convert signals between copper and fiber-optic networks?
What type of cable is used to connect a PC to a switch?
What type of cable is used to connect a PC to a switch?
Which of the following is a disadvantage of fiber-optic cabling?
Which of the following is a disadvantage of fiber-optic cabling?
What IEEE standard defines Gigabit Ethernet over twisted-pair cables?
What IEEE standard defines Gigabit Ethernet over twisted-pair cables?
Which cable type is most commonly used in modern wired Ethernet networks?
Which cable type is most commonly used in modern wired Ethernet networks?
What does a cable continuity tester check?
What does a cable continuity tester check?
What is the purpose of a Fiber Distribution Panel (FDP)?
What is the purpose of a Fiber Distribution Panel (FDP)?
Which twisted-pair cable category is preferred for 10-Gigabit Ethernet?
Which twisted-pair cable category is preferred for 10-Gigabit Ethernet?
Which fiber-optic connector is most commonly used in modern high-speed networks?
Which fiber-optic connector is most commonly used in modern high-speed networks?
Which tool is used to measure the amount of light transmitted through a fiber-optic cable?
Which tool is used to measure the amount of light transmitted through a fiber-optic cable?
What is the purpose of a crossover cable?
What is the purpose of a crossover cable?
What is the benefit of using a Small Form-Factor Pluggable (SFP) transceiver?
What is the benefit of using a Small Form-Factor Pluggable (SFP) transceiver?
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