C2 Cables & Devices

A ____________ must be used to deliver messages to devices that are in different LANs.

• hub

• router

• switch

• bridge

When a message comes in to a port on a _________, it goes out every other port and the message is delivered to every attached device.

• hub

• router

• switch

• bridge

You're adding new wires in your building for some new offices. The building has a false ceiling that holds the lights and provides an air path for heating and air conditioning. You'd like to run your Ethernet cables in this area.

Which type of cable must you use?

• Plenum-rated cable

• STP cables

• Fiber optic cables

• Cat 5e or Cat 6a cables

Which of the following is a characteristic of a coaxial network cable?

• It uses RJ45 connectors.

• It is composed of four pairs of 22-gauge copper wire.

• It uses two concentric metallic conductors.

• The conductors within the cable are twisted around each other to eliminate crosstalk.

You've just signed up for a broadband home internet service that uses coaxial cabling. Which connector type will you MOST LIKELY use?

• BNC

• F-type

• RJ45

• RJ-11

Which of the following hardware devices links multiple networks and directs traffic between networks?

• Bridge

• Hub

• Router

• Repeater

Rack heights vary from a few rack units to many rack units. The most common rack heights are 24U and 42U. How tall is a 24U rack?

• 36 inches

• 48 inches

• 30 inches

• 42 inches

A host wants to send a message to another host that has an IP address of 115.99.80.157, but it does not know the destination device's hardware address. Which protocol can be used to discover the MAC address?

• ARP

• ICMP

• DNS

• IGMP

Which of the following is true about a MAC address?

• It is a 32-bit address.

• It is typically represented by octets of decimal numbers between 0-255.

• It is a 64-bit address.

•  

  It is typically represented by hexadecimal numbers.

Which network component connects a device to transmission media and allows the device to send and receive messages?

• Client

• Network Interface Card

• Protocol

• Server