Exam Study Guide

Piece of data #1 has a Receiver IP address among other headers but no footers.

packet

What connectors are used in the third, or network, layer? hubs cables switches routers

routers

Segments are organized by the order in which the data was originally sent.

sequence number

a measure of the clarity of a message

signal-to-noise ratio

a device that prevents echo effects from entering the system

terminator

broadcast

the transmission of data to multiple points

On which option does scalability depend? tokens latency connectivity devices topology

topology

Protocol sends one message. If it arrives safely, two are sent out the next time, and so on.

transmission size

How is a MAC address different from an IP address? An IP address is assigned to a computer, a MAC address is assigned to a routing device. A MAC address is part of the Internet Layer, an IP address is part of the Network Access Layer. TCP/IP only works on IP addresses, not MAC addresses. The ARP takes MAC addresses, not IP addresses.

An IP address is assigned to a computer, a MAC address is assigned to a routing device.

The ultimate destination of a packet is a(n) address. The ultimate destination of a packet is a(n) [blank] address.

IP

Network architects specify all of the following EXCEPT: IP addresses hardware software servers

IP addresses

Sally installed a new bridge on her network last week. It has seen some traffic, but so far, it has been limited. Sally expects her bridge's routing table to be complete. Which of the following would the routing table of her bridge contain? It will only have the MAC addresses of some nodes that regularly send data through the network. It will have the MAC address of every point on the network, as Sally expects. It will have the IP addresses of everyone in the building. It will have directions to each hub on each side of the bridge.

It will only have the MAC addresses of some nodes that regularly send data through the network.

Select all that are layers under the OSI model. Commerce Network Processing Presentation Intranet Transport

Network Presentation Transport

Which description best characterizes encoding? to put a data set into a frame to represent one thing with another to render a message indecipherable to eavesdroppers to write software

The answer is NOT ! to render a message indecipherable to eavesdroppers

Which option is the best program to encrypt and secure a wireless network? WPA WPA 2 WPA 3 WEP

WPA 2

bridge

a data-linked device used to divide networks into sub-networks

transceiver

a device that can send and receive messages

Piece of data #2 is all 1s and 0s.

bit

A calculation is performed that determines the presence of an error.

checksum

Piece of data #2 has no Port ID info and no sender IP address.

data

an Ethernet's data packet

frame