Quiz on Network Access

What is the primary function of the physical layer in a network?

• To transport bits across the network media

• To provide routing information

• To establish network security

• To manage data link layer protocols

Which type of cabling is most commonly used in networking?

• Shielded Twisted-Pair (STP) Cable

• Fiber Optic Cable

• Unshielded Twisted-Pair (UTP) Cable

• Coaxial Cable

What does the term 'attenuation' refer to in networking?

• The speed of data transmission

• The interference from external sources

• The deterioration of a signal over distance

• The increase in signal strength

Which of the following is a characteristic of fiber optic cabling?

• It is immune to electromagnetic interference

• It is thicker than copper cabling

• It uses electrical pulses for transmission

• It is less expensive than UTP cabling

What is the purpose of a Network Interface Card (NIC)?

• To encrypt data packets

• To manage network traffic

• To provide wireless connectivity

• To connect devices to a network

Which protocol is used for wireless communication in LANs?

• Point-to-Point Protocol (PPP)

• Wi-Fi (IEEE 802.11)

• Ethernet

• Frame Relay

What does the acronym 'CSMA/CD' stand for?

• Control Sense Multiple Access/Collision Avoidance

• Carrier Signal Multiple Access/Collision Avoidance

• Control Signal Multiple Access/Collision Detection

• Carrier Sense Multiple Access/Collision Detection

Which type of cable provides better noise protection than UTP?

• Unshielded Twisted-Pair (UTP) Cable

• Fiber Optic Cable

• Shielded Twisted-Pair (STP) Cable

• Coaxial Cable

What is the main advantage of using fiber optic cabling over copper cabling?

• Lower cost

• Less weight

• Higher bandwidth and longer distances

• Easier installation

What is the role of the data link layer in networking?

• To encrypt data packets

• To provide routing information

• To prepare communication for transmission on specific media

• To manage physical connections