NCF Exam Practice (Master)

Why are the pairs of wires twisted together in UTP cable?

• Twisting of wires makes it lighter

• Twisting of wires reduces interference problem

• Twisting of wires makes it less expensive

• Twisting of wires make it thinner

In Star topology, all data communications and traffic must pass through the

• bridge

• hub only

• switch only

• centralised switch/hub

In Ring topology, what device/signal is required before it can be transmit data?

• Token

• Hub

• Bridge

• Switch

A set of rules and formats used to control and establish a communication link between two or more devices is knows as a 

• Contract

• Protocol

• Document

• Specification

Which one of the following protocols is used in the Application layer of TCP/IP model?

• UDP

• Telnet

• ICMP

• IGMP

Which one of the following commands discovers the network path of Internet routers that packets take as they are forwarded from your computer to a destination address?

• Determine

• Ping

• Traceroute

• Verify

Peter needs to retrieve the MAC address of a laptop to perform a configuration on his computer. Which one of the following commands is used to retrieve the MAC address on his computer?

• Getmac

• ipconfig

• ping

• traceroute

The acronym UTP stands for

• Unshielded Twisted Pair

• Universally Twisted Pair

• Unidirectional Twin Pair

• Un-Twisted Pair

Which type of cable is used with twisted pair cables with 8 wires and 8 pins connector?

• RJ11

• RJ45

• Coaxial

• Fiber optic

In TCP/IP model, TCP stands for

• Traffic Control Protocol

• Try Connection Protocol

• Transmission Control Protocol

• Telephone Connection Protocol