Wired and Wireless Network

Grace is setting up a network in her home and is using twisted pair cables. Which of the following is NOT a color of wire she would find in a twisted pair cable?

• Red

• Yellow

• Gray

• All of the above

Answer explanation

Twisted pair cables typically use colors like blue, orange, green, and brown for their wires. Red, yellow, and gray are not standard colors for twisted pair cables, making 'All of the above' the correct choice.

David is setting up a home network and wants to know the maximum transmission speed of a Cat 5 cable. What is it?

• 10 Mbps

• 100 Mbps

• 1 Gbps

• 10 Gbps

Answer explanation

The maximum transmission speed of a Cat 5 cable is 100 Mbps. This standard supports speeds up to 100 Mbps for Ethernet networks, making it suitable for most home and small office applications.

Aiden is setting up a network in his new office. He has different types of Ethernet cables available. Which of the following cables has a different maximum length than the others?

• Cat 5e

• Cat 6a

• Cat 7

• Cat 8

Answer explanation

Cat 8 has a maximum length of 30 meters for 25G and 40G Ethernet, while Cat 5e, Cat 6a, and Cat 7 all support longer distances (up to 100 meters). Therefore, Cat 8 is the one with a different maximum length.

Abigail is setting up a high-speed network in her office and needs to know the frequency of a Cat 8 cable. What is the frequency of a Cat 8 cable?

• 100 MHz

• 250 MHz

• 500 MHz

• 2 GHz

Answer explanation

A Cat 8 cable supports frequencies up to 2 GHz, making it suitable for high-speed data transmission in data centers and enterprise networks. This is significantly higher than the frequencies supported by earlier categories.

Samuel is setting up a network in his office and is concerned about electromagnetic interference. He wonders if UTP wires are protected against electromagnetic interference.

• True

• False

Answer explanation

UTP (Unshielded Twisted Pair) wires are not shielded, making them susceptible to electromagnetic interference. Therefore, the statement that UTP wires are protected against such interference is false.

Liam and Nora are setting up a network in their new office. They are discussing the differences between T568A and T568B wiring standards. What is different with the arrangement between these two standards?

• The green and orange pairs

• The green and blue pairs

• The red and yellow pairs

• The brown and blue pairs

Answer explanation

The main difference between T568A and T568B wiring standards is the arrangement of the green and orange pairs. In T568A, the green pair is placed before the orange pair, while in T568B, the order is reversed.

Mia and Luna want to connect their computers directly to share files. What type of cable would they use?

• Straight-through

• Extender

• Cross-over

Answer explanation

A cross-over cable is used to directly connect two computers, allowing them to communicate with each other. In contrast, a straight-through cable is used for connecting devices to a switch or hub.

Mia is setting up a new office network and needs to choose a copper Ethernet standard for the cabling. Which of the following should she consider?

• 10BASE-T

• 100BASE-TX

• 40GBASE-T

• All of the above

Answer explanation

All listed options are valid copper Ethernet standards. 10BASE-T supports 10 Mbps, 100BASE-TX supports 100 Mbps, and 40GBASE-T supports 40 Gbps, making 'All of the above' the correct choice.

Grace and Arjun are setting up a new home entertainment system. Which of the following can coaxial cables deliver? (Select two)

• Water

• Television

• Gas

• Internet

• Electricity

Answer explanation

Coaxial cables are designed to transmit data signals, making them suitable for delivering television and internet services. They cannot deliver water, gas, or electricity.

When Oliver signed up for internet service, what is the point called where the internet service provider hands the internet to him?

• When a log records a critical error

• When a client determines what network topology they want

• When an internet service provider hands the internet to a customer

• None of the above

Answer explanation

A demarcation point is where an internet service provider (ISP) hands off the internet connection to a customer, marking the boundary between the ISP's network and the customer's network.