1.6 Wireless / Cellular Data Network (Connectivity)

Question 1

What are three features on a phone that you can enable/disable?

Answer 1

• Hotspot
• Tethering
• Airplane mode

Question 2

What is the typical range for Bluetooth?

Answer 2

10m

Question 3

How does your phone make calls?

Answer 3

Baseband Radio Processor

Question 4

What does PRL stand for?

Answer 4

Preferred Roaming List

Question 5

What does PRL do?

Answer 5

Allows phone to be connected to the correct tower.

Question 6

What does PRI stand for?

Answer 6

Product release instructions

Question 7

How are PRLs and PRIs updated?

Answer 7

OTA (over-the-air)

Question 8

What is an IMEI? What does it identify?

Answer 8

International Mobile Station Equipment Identity ; identifies a mobile device.

Question 9

What is an IMSI? What does it identify?

Answer 9

International Mobile Subscriber Identity ; identifies a device user.

Question 10

What is a VPN? What does it do?

Answer 10

Virtual Private Network ; enables secure communication, integrated into phone

Question 11

Which protocol(s) would you use to retrieve email?

Answer 11

POP3 or IMAP

Question 12

Which protocol(s) would you use to send email?

Answer 12

SMTP

Question 13

What does POP3 stand for?

Answer 13

Post Office Protocol 3

Question 14

What option does POP3 give after downloading message?

Answer 14

Delete message from server.

Question 15

Where is a message downloaded from with the POP3 protocol?

Answer 15

From the ISP’s account

Question 16

What is the default POP3 network port #?

Answer 16

tcp/110

Question 17

What is the Secure Socket Layer (SSL) channel POP3 network port #?

Answer 17

tcp/995

Question 18

What does IMAP4 stand for?

Answer 18

Internet Message Access Protocol 4

Question 19

Where does the IMAP4 protocol access mail from?

Answer 19

A central server

Question 20

What features does IMAP4 provide that POP3 does not?

Answer 20

• Mail folders

- server-side searching

Question 21

What is the default IMAP4 network port #?

Answer 21

tcp/143

Question 22

What is the Secure Socket Layer (SSL) channel IMAP4 network port #?

Answer 22

tcp/993

Question 23

What does SMTP stand for?

Answer 23

Simple Mail Transfer Protocol

Question 24

Where does the SMTP protocol send mail from and to?

Answer 24

FROM a trusted or local device to an incoming mail server (NOTE: STMP

Question 25

What is the unauthenticated SMTP port #?

Answer 25

tcp/25

Question 26

Where environment is Microsoft Exchange used almost exclusively for?

Answer 26

Enterprise and commercial email servers.

Question 27

Is Microsoft Exchange considered “hosted”?

Answer 27

Yes.

Question 28

Which common commercial email providers utilize POP3?

Answer 28

Gmail, Microsoft Exchange and Yahoo Mail

Question 29

Which common commercial email providers utilize IMAP4?

Answer 29

Gmail, Microsoft Exchange, iCloud Mail and Yahoo Mail

Question 30

What unique mail protocol does iCloud utilize?

Answer 30

Apple Mail

Question 31

What does S/MIME stand for? What does it do?

Answer 31

Secure / Multipurpose Internet Mail Extensions ; S/MIME provides end-to-end encryption of emails by requiring a digital signature to de-encrypt.