Chapter 18 Flashcards
(25 cards)
What is the difference between open source and closed source vender specific software?
Open source is free. p. 840
True or false: Apple’s iPhone uses open source software in its apps?
False. p. 840
Ture or false: apple requries annual fees from developers and android/google only requires a one time fee.
True. 841
True or false: any iphone app can be run on iPads.
True. p. 841
What are two methods of orientation that mobile devices use?
Accelerometer
Gyroscope p. 847
Describe how an accelerometer works.
Measures the acceleration change in velocity which is a funciton of speed and direction. p. 847
Define Gyroscope.
a sensor that detects rotation around any of three axes known as roll pitch and yaw. p. 847
What does a magnetometer do?
allows a device relative to sense magnetic fields such as the one our planet exhibits at the magnetic poles. p. 848
What is geotagging.
similar to geotracking it adds location info to various forms of media such as pictures. p. 849
What port does SMTP run on?
25 p. 883
What port does POP run on?
110 p. 883
What port does IMAP run on?
143 p. 883
What does the IMAP protocol do?
Used to comunicate between a client and the clients mail server to retrieve mail with extensive interaction. p. 883
What port does SMTP with SSL run on.
TCP 465 p. 884
What port does SMTP with TLS run on
587 p. 884
What port does IMAP with SSL/TLS run on
993 p. 884
What port does POP with SSL/TLS run on?
995 p. 884
What does SSL stand for?
secure socket layer p. 883
What does TLS stand for?
Transport Layer security. p. 883
What is the server name for Gmail?
smtp. gmail.com p. 884
What is the protocol for outbound gmail?
SMTP with SSL or TLS. p. 884
What is the protocol for inbouond gmail.
IMAP with SSL or POP with SSL
What is the server name for Yahoo outbound?
smtp.mail.yahoo.com p. 884
True or false: microsoft exchange servers support access by proprietary exchange messageing as well as by the internet mail protocols.
True. p. 890
