QUIZ #3 IT INFRASTRUCTURE

1. What type of message delivery involves one sender and all devices on a network?

• Unicast

• Anycast

• Multicast

• Broadcast

Which layer of the OSI model is responsible for providing end-to-end communication services?

• Physical Layer

• Network Layer

• Transport Later

• Application Layer

What does the OSI in the OSI model stand for?

• Open Systems Interconnection

• Online Systems Infrastructure

• Operating Software Integration

• Optical Systems Interace

What is the purpose of a protocol in networking?

• To manage physical hardware of a network.

• To define a common format and set of rules for communication between devices

• To provide power to network devices

• To encrypt all transmitted data

Which protocol is responsible for managing individual conversations in a network?

• HTTP

• IP

• Ethernet

• TCP

What does ARPANET stand for?

• Advance Routing Protocol for Application Networks

• Automated Response Protocol for Advanced Networks

• Advanced Research Projects Agency Network

• Application Research and Programming

Which media is most commonly used in Ethernet networks?

• Fiber Optic Cabling

• Shielded Twisted-Pair (STP) Cabling

• Coaxial Cable

• Unshielded Twisted-Pair (UTP) Cabling

What is the purpose of the source IP Address in a packet?

• To ensure data integrity during transmission

• To indicate the network origin of the packet

• To identify the physical device sending the packet

• To specify the routing protocol used

What is the purpose of network interface cards (NICs)?

• To assign IP Address

• To transmit signals wirelessly only

• To encrypt data for transmission

• To connect a device to a network

Which IEEE standards defines WI-FI?

• 802.15

• 802.11

• 802.3

• 802.16