10. Introduction to Networking

Question 1

Which device is rarely used by computers to connect to a network?

Answer 1

Modems

Question 2

Which unique identifier is used by a Layer 3 router to identify a transmission device?

Answer 2

IP Address

Question 3

Which unique identifier does a Layer 2 switch use to identify a transmission device?

Answer 3

MAC address

Question 4

Which networking device can perform both Layer 2 and Layer 3 data routing functions?

Answer 4

Multi-layer switch

Question 5

Which layer of the OSI model is closed to the end user and interacts with software applications?

Answer 5

Layer 7 Application

Question 6

Which networking solution is used to connect networks within a city?

Answer 6

MAN - Metropolitan Access Network

Question 7

How many layers are there in the Open Systems Interconnection model (OSI)?

Answer 7

Seven

Question 8

Which Layer 2 wireless Ethernet technology can be used to extend a network?

Answer 8

Bridge

Question 9

Which layer of the OSI model does a basic switch operate on?

Answer 9

Layer 2 - Data link

Question 10

Which type of incoming data transmission from a network connection does a firewall act as a filter for?

Answer 10

Packets

Question 11

Which category of networking solution is used to conceal data transmission across networks?

Answer 11

VPN - Virtual Private Network

Question 12

What is the collection of local hard drives Ethernet LANs connect directly into called?

Answer 12

NAS

Question 13

Which unique identifier is used by VolP phones over a LAN?

Answer 13

IP address

Question 14

Which layer of the OSI model does a wireless Access Point (WAP) operate on?

Answer 14

Layer 2 - Data Link

Question 15

Which layer of the OSI model is responsible for the electrical or mechanical transmission of data?

Answer 15

Layer 1 - Physical

Question 16

Which type of networking solution uses Bluetooth for connectivity?

Answer 16

PAN - Personal Access Network

Question 17

Which IEEE standard is used to identify Ethernet connections?

Answer 17

802.3

Question 18

Which international telecommunication standard is used by cable companies to provide Internet access over a hybrid fiber-coaxial infrastructure that connects to modems?

Answer 18

Data Over Cable Service Interface Specification (DOCSIS)

Question 19

Which type of local area network would be used to connect computers or printers in a home or small office?

Answer 19

SOHO LAN

Question 20

What is the main networking function of a hub?

Answer 20

To repeat the ones and zeros of data transmission.

Question 21

Which network topology requires a terminator at each end?

Answer 21

Bus

Question 22

Which networking solution is used to connect geographically separated networks?

Answer 22

WAN - wide access network

Question 23

Which layer of the OSI model does a hub operate on?

Answer 23

Layer 1 - Physical