IST 220 Quiz #3 Study Guide

When a computer assembles a frame to be sent over the network, what is the maximum size of an Ethernet frame?

1518 bytes

Match the components in the notation 100Base-T to the specification. (Not all options are used.)

BASE = baseband transmission T = twisted-pair cable 100 = speed in Mbps

What makes it possible for e-mail to be sent and received on a wide variety of devices, including cell phones, PDAs, laptops, and desktop computers?

E-mail software is written using standards and protocols that ensure compatibility.

The _______ is an organization that develops and maintains Ethernet and wireless standards.​

IEEE

What type of information is contained in an ARP table?

IP address to MAC address mappings

The ______ address is a physical address assigned to every Ethernet network interface.​

MAC

The ______ model breaks network communications down into seven functional layers.

OSI

Which term refers to the set of rules that define how a network operates?

Standard

Which three layers of the OSI model make up the application layer of the TCP/IP model?

application, session, presentation

Which two layers of the OSI model specify protocols that are associated with Ethernet standards?

data link layer, physical layer

What address type does a switch use to make selective forwarding decisions?

destination MAC

Which term is used to refer to a Layer 2 PDU?​

frame

What is the purpose of the core layer in the Cisco hierarchical network design model?

high-speed backbone switching

Which three elements do all communication methods have in common? (Choose three.)

message source, message destination, transmission medium

Which type of network model describes the functions that must be completed at a particular layer, but does not specify exactly how each protocol should work?

reference model

What role does a router play on a network?

selecting the path to destination networks