Networking Cables

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson
Download our mobile app to listen on the go
Get App

Questions and Answers

Which cable type is characterized by having a maximum data rate of 10 Mbps and a distance of up to 500m?

  • Thick Coaxial Cable (correct)
  • Unshielded Twisted Pair (UTP)
  • Thin Coaxial Cable
  • Optical Fiber Cable

Which type of twisted pair cable is known for its immunity to electromagnetic interference (EMI) and radio frequency interference (RFI)?

  • Shielded Twisted Pair (STP)
  • Unshielded Twisted Pair (UTP)
  • Screened Shielded Twisted Pair (SSTP) (correct)
  • Screen Foiled Twisted Pair (SFTP)

What is the maximum cable length typically specified for twisted pair cables, such as UTP or STP?

  • 200 meters
  • 500 meters
  • 300 meters
  • 100 meters (correct)

Which of the following twisted pair cable categories is capable of supporting 10 Gigabit Ethernet (10GBASE-T) with a bandwidth of 500 MHz?

<p>Cat 6a (D)</p> Signup and view all the answers

Which connector is typically used with coaxial cables for connecting to devices like TVs or network interface cards?

<p>BNC (C)</p> Signup and view all the answers

What is the main difference between 'straight cable' and 'crossover cable' configurations in twisted pair cables?

<p>The order of wires is different at each end in crossover cables. (B)</p> Signup and view all the answers

What is the primary purpose of using optical fiber cables over copper cables in network communications?

<p>To transmit data over longer distances with higher bandwidth (A)</p> Signup and view all the answers

In which application scenario would you typically use Cat7 or Cat7a twisted pair cables?

<p>High-security environments and data centers (D)</p> Signup and view all the answers

What characteristic primarily differentiates single-mode fiber optic cables from multi-mode fiber optic cables?

<p>The diameter of the fiber core (C)</p> Signup and view all the answers

Which connector type is commonly associated with Small Form-factor Pluggable (SFP) interfaces used in fiber optic networks?

<p>LC (C)</p> Signup and view all the answers

Which of the following cables is most susceptible to electromagnetic interference (EMI)?

<p>Unshielded Twisted Pair (UTP) (A)</p> Signup and view all the answers

When should a crossover cable be used instead of a straight-through cable?

<p>Connecting two computers directly to each other (C)</p> Signup and view all the answers

Which characteristic of coaxial cables allows them to transmit signals over longer distances compared to UTP cables, though typically shorter than fiber optic cables?

<p>Better shielding (A)</p> Signup and view all the answers

Which type of cable is commonly used for transmitting both data and television signals within a home?

<p>Coaxial Cable (D)</p> Signup and view all the answers

What is the primary advantage of using screened foiled twisted pair (SFTP) cables over standard UTP cables?

<p>Enhanced protection against EMI (B)</p> Signup and view all the answers

In network cabling, which cable category can support both 10GBASE-T Ethernet and POTS/CATV over a single cable?

<p>Both C and D (E)</p> Signup and view all the answers

What is the significance of 'categories' when discussing twisted pair cables, such as Cat5e, Cat6, and Cat7?

<p>They define the performance and capabilities of the cable. (D)</p> Signup and view all the answers

What type of connector is most commonly used to terminate twisted pair cables for Ethernet connections?

<p>RJ45 Connector (D)</p> Signup and view all the answers

Which type of fiber optic connector is designed for high-density connections and commonly used with SFP transceivers?

<p>LC Connector (D)</p> Signup and view all the answers

Which factor contributes most to the generally higher cost of fiber optic cabling compared to copper cabling?

<p>The complexity of cable installation and required expertise. (D)</p> Signup and view all the answers

Flashcards

Coaxial Cable

A type of LAN cable transmitting data through a central conductor.

Twisted Pair Cable

A type of LAN cable that uses pairs of wires twisted together to reduce interference.

Optical Fiber Cable

A type of LAN cable that transmits data using light signals through glass or plastic fibers.

Thick Coaxial Cable

Transmits data at 10 Mbps with a maximum distance of 500m.

Signup and view all the flashcards

Thin Coaxial Cable

Transmits data at 10 Mbps with a maximum distance of 300m.

Signup and view all the flashcards

Foiled Twisted Pair(FTP)

Twisted pair with foil shielding to reduce interference.

Signup and view all the flashcards

Shielded Twisted Pair (STP)

Twisted pair with shielding to protect against interference.

Signup and view all the flashcards

Unshielded Twisted Pair (UTP)

Unshielded twisted pair cable, commonly used in networks.

Signup and view all the flashcards

Category 6 Twisted Pair

Transmits data at 10 Gbps with bandwidth of 250 MHz for Ethernet.

Signup and view all the flashcards

Category 6a Twisted Pair

Transmits data at 10 Gbps with bandwidth of 500 MHz for Ethernet.

Signup and view all the flashcards

Category 7 Twisted Pair

Transmits data at 10 Gbps with bandwidth of 600MHz for Ethernet.

Signup and view all the flashcards

BNC Connector

Used with coaxial cables to connect and disconnect quickly.

Signup and view all the flashcards

Straight Cable

A cable with all wires connected in the same order on both ends.

Signup and view all the flashcards

Crossover Cable

A cable with some wires crossed over, used to connect devices directly.

Signup and view all the flashcards

LC Connector

Connector used to terminate optical fiber cables.

Signup and view all the flashcards

SC Connector

Connector used to terminate optical fiber cables. Push and snap.

Signup and view all the flashcards

Study Notes

  • The physical layer covers cables, card standards, connectors, and Layer 1 devices.

Cables

  • LAN cables, also known as Ethernet cables, come in forms such as coaxial, unshielded twisted pair (UTP), shielded twisted pair (STP), and optical fiber cables.
  • Thick coaxial cables have a speed of 10mbps and a distance of 500m.
  • Thin coaxial cables have a speed of 10mbps and a distance of 300m.
  • Twister or patch cables include Foiled Twisted Pair (FTP), Shielded Twisted Pair (STP), Unshielded Twisted Pair (UTP), Screen Foiled Twisted Pair (SFTP), and Screened Shielded Twisted Pair (SSTP); these cables have a distance of 100m.
  • Categories of twisted pair cables exist
  • Cat1 twisted pair cables: 1 Mbps max data rate, 0.4 MHz bandwidth, used for telephone and modem lines.
  • Cat2 twisted pair cables: 4 Mbps max data rate, 4 MHz bandwidth, used for older terminal systems like IBM 3270.
  • Cat3 twisted pair cables: 10 Mbps max data rate, 16 MHz bandwidth, used for 10BASE-T and 100BASE-T4 Ethernet.
  • Cat4 twisted pair cables: 16 Mbps max data rate, 20 MHz bandwidth, used for 16Mbit/s Token Ring.
  • Cat5 twisted pair cables: 100 Mbps max data rate, 100 MHz bandwidth, used for 100BASE-TX and 1000BASE-T Ethernet.
  • Cat5e twisted pair cables: 1 Gbps max data rate, 100 MHz bandwidth, used for 100BASE-TX and 1000BASE-T Ethernet.
  • Cat6 twisted pair cables: 10 Gbps max data rate, 250 MHz bandwidth, used for 10GBASE-T Ethernet.
  • Cat6a twisted pair cables: 10 Gbps max data rate, 500 MHz bandwidth, used for 10GBASE-T Ethernet.
  • Cat7 twisted pair cables: 10 Gbps max data rate, 600 MHz bandwidth, used for 10GBASE-T Ethernet or POTS/CATV/1000BASE-T over a single cable.
  • Cat7a twisted pair cables: 10 Gbps max data rate, 1000 MHz bandwidth, used for 10GBASE-T Ethernet or POTS/CATV/1000BASE-T over a single cable.
  • Cat 8/8.1 twisted pair cables: 40 Gbps max data rate, 1600-2000 MHz bandwidth, used for 40GBASE-T Ethernet or POTS/CATV/1000BASE-T over a single cable.
  • Cat 8.2 twisted pair cables: 40 Gbps max data rate, 1600-2000 MHz bandwidth, used for 40GBASE-T Ethernet or POTS/CATV/1000BASE-T over a single cable.

Connectors

  • Coaxial cable connectors include the BNC Connector and T-BNC Adapter.
  • Twisted pair cables can use straight or crossover cables
  • Optical Fiber Cables include the SFP Interface, SFP1, and SFP2.
  • Other Optical Fiber cable connectors LC, SC, ST, FDDI, MTRJ, ESCON, E2000, MTP/MPO, D4, FC, FCA, FCU, LC Clipped, LCU Clipped, MU, SC Clipped, SC, SCA, ST, and STU

Cable Feature Comparison

Feature Cat5e Cat6 Cat6a Cat7/Cat7a Cat8 Fiber Optic Coaxial
Max Data Transfer Speed 1 Gbps 1 Gbps (up to 10 Gbps at shorter distances) 10 Gbps 10 Gbps (Cat7), 40Gbps (Cat7a) 25/40 Gbps Varies (up to 100+ Gbps) Varies (up to 10 Gbps)
Max Bandwidth 100 MHz 250 MHz 500 MHz 600 MHz (Cat7), 1000Mhz (Cat7a) 2000 MHz Very High Varies
Max Cable Length for Max Speed 100 meters 100 meters (1 Gbps), 55 meters (10 Gbps) 100 meters 100 meters 30 meters Varies (single-mode: very long, multi-mode: shorter) Varies
Shielding UTP (most common) UTP (most common), STP (available) UTP/STP STP (always) STP (always) N/A (light-based) Shielded
Crosstalk Moderate Reduced Significantly Reduced Very Low Very Low Immune Low
EMI/RFI Resistance Moderate Improved (with STP) Very Good (with STP) Excellent Excellent Immune Good
Connector Type RJ45 RJ45 RJ45 GG45/Tera (Cat7), RJ45 compatible(Cat7a) RJ45 LC, SC, etc. F-type, BNC
Typical Applications Basic home/office networks Home/office networks, Gigabit Ethernet High-bandwidth LANs, data centers Data centers, high-security environments Data centers, server-to-server connections Long-distance telecommunications, data centers, high-speed backbones Cable TV, broadband internet
Cost Low Medium Medium-High High Very High High Low-Medium
Installation Complexity Low Low Medium Medium-High High High (requires specialized skills) Medium
Backward Compatibility Compatible with older Ethernet standards Compatible with older Ethernet standards Compatible with older Ethernet standards Compatible with older Ethernet standards Compatible with Cat6a and below N/A Varies

Studying That Suits You

Use AI to generate personalized quizzes and flashcards to suit your learning preferences.

Quiz Team

Related Documents

More Like This

Use Quizgecko on...
Browser
Open
Browser
Browser