Chapter 5. Review Quiz

A technician has been asked to assist with some LAN cabling. What are two standards that the technician should research before this project begins? Refer to curriculum topic: 5.4.2

• T568B

• 802.11c

• Zigbee

Answer explanation

T568A and T568B are wiring schemes used with Ethernet LAN cabling. IEEE 802.11n and 802.11ac are wireless LAN standards. Zigbee and Z-Wave are smart home standards.

Which two protocols operate at the transport layer of the TCP/IP model? Refer to curriculum topic: 5.2.1

• UDP and TCP

• IP and ICMP

• FTP and ICP

Answer explanation

The TCP/IP model includes four layers. The application layer, the transport layer, the internet layer, and the network access layer. The functions at each layer include different protocols. The transport layer includes both the TCP and the UDP protocols.

The technology that allows a switch to deliver power to a device like an IP phone or an access point through the data cable is known as

Refer to curriculum topic: 5.3.3

A switch is a networking device that will record______________addresses by inspecting every incoming data frame.

• MAC

• TAN

• IPO

A company is expanding its business to other countries. All branch offices must remain connected to corporate headquarters at all times. Which network technology is required to support this scenario? Refer to curriculum topic: 5.1.1

• WLAN

• LAN

• WAN

• MAN

Answer explanation

A WAN connects multiple LANs that are in geographically separated locations. A MAN connects multiple LANs in a large campus or in a city. WLAN is a wireless LAN that covers a rather small geographic area.

Which network device regenerates the data signal without segmenting the network? Refer to curriculum topic: 5.3.1

• router

• modem

• switch

• hub

Answer explanation

Hubs are sometimes called repeaters because they regenerate the signal. All devices connected to the hub share the same bandwidth (unlike a switch, which gives each device dedicated bandwidth

Which type of network will extend a short distance and connects printers, mice, and keyboards to an individual host? Refer to curriculum topic: 5.1.1

• LAN

• PAN

• MAN

Answer explanation

A personal area network (PAN) connects devices, such as mice, keyboards, printers, smartphones, and tablets. These devices are often connected with Bluetooth technology. Bluetooth allows devices to communicate over short distances.

Which smart home technology requires the use of a device, known as a coordinator, to create a wireless PAN? Refer to curriculum topic: 5.2.3

• Z-Wave

• 802.11n

• 802.11ac

• Zigbee

Answer explanation

The ZigBee Coordinator is a device that manages all the ZigBee client devices to create a ZigBee wireless personal-area network (PAN) using the 868 MHz to 2.4 GHz range

What are two common media used in networks?

Refer to curriculum topic: 1.2.3

• copper and fiber

• Water and wood

Answer explanation

Common media used in networks include copper, glass or plastic optical fiber, and wireless.

A user needs to access the Internet from home. Which device is needed if a user connects to an ISP through the telephone network?

• switch

• server

• DSL modem

• wireless access point

Answer explanation

ISPs offer Internet access connection to homes through the telephone network with DSL technology. A user can connect to an ISP through the telephone network using a DSL modem. A wireless access point connects mobile devices to a local network.