Physical Layer Protocols and Connections

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What is the typical material used for the core of a fiber optic cable?

Silica or glass (correct)

Copper

Aluminum

Plastic

What is the main difference between single-mode and multimode fiber cables?

Direction of light travel

Size of the core

Material used for the core

Color of the jacket (correct)

What is the purpose of fiber patch cords?

To protect the fiber optic cables

To test fiber optic cables

To connect devices to each other (correct)

To terminate fiber optic cables

What type of mechanism is used in SC connectors?

Push-pull Signup and view all the answers

What type of training is required for terminating and splicing fiber-optic cabling?

Special training Signup and view all the answers

What is a prerequisite for network communications to occur?

Establishment of a physical connection to a local network Signup and view all the answers

Why should fiber cables be protected with a small plastic cap when not in use?

To prevent damage Signup and view all the answers

What type of NIC is used for a wireless connection?

Wireless Local Area Network (WLAN) NIC Signup and view all the answers

What is the function of the Physical Layer in relation to a data link layer frame?

It provides the means to transport the bits that make up a data link layer frame Signup and view all the answers

What is the purpose of Network Interface Cards (NICs)?

To connect a device to a network Signup and view all the answers

What are the three basic forms of network media?

Not specified in the content Signup and view all the answers

What is the purpose of encoding a complete frame from the data link layer?

To transmit the frame onto the local media Signup and view all the answers

What is the primary purpose of Cat 3 cable?

Voice communication Signup and view all the answers

According to the TIA/EIA-568 standard, what is the description of the wire color codes for Ethernet cables?

Wire color codes to pin assignments Signup and view all the answers

What is the maximum recommended speed for Cat 5 cable?

100 Mb/s Signup and view all the answers

What is the purpose of the added separator in Cat 6 cable?

To allow it to function at higher speeds Signup and view all the answers

What is the female component of a network device, wall, cubicle partition outlet, or patch panel?

Socket Signup and view all the answers

Why is it essential to have high-quality copper media terminations?

To ensure optimum performance with current and future network Signup and view all the answers

What is the primary cause of misalignment in fiber-optic termination and splicing?

Inadequate alignment of the fiber-optic media Signup and view all the answers

What is the purpose of using an Optical Time Domain Reflectometer (OTDR) in fiber-optic cabling?

To test each fiber-optic cable segment Signup and view all the answers

Which of the following is a property of wireless media?

Carries electromagnetic signals Signup and view all the answers

What is a major concern in wireless media due to the use of a shared medium?

Only one device can send or receive at a time Signup and view all the answers

What is the primary cause of end gap in fiber-optic termination and splicing?

The media does not completely touch at the splice or connection Signup and view all the answers

What can be used to field test a fiber-optic cable segment?

A bright flashlight Signup and view all the answers

In a logical point-to-point topology, what is the connection between nodes called?

Virtual circuit Signup and view all the answers

Which physical LAN topology uses a central intermediate device to connect end devices?

Star Signup and view all the answers

What is the primary difference between bus and ring topologies?

Need for termination Signup and view all the answers

In half-duplex communication, what is the primary constraint?

Both devices can transmit and receive, but not simultaneously Signup and view all the answers

What is the primary advantage of bus topologies using coax cables?

Easy setup and cost-effective Signup and view all the answers

Which LAN topology involves interconnecting multiple star topologies using additional Ethernet switches?

Extended Star Signup and view all the answers