Chapter 4: Smartphones, Tablets & Other Mobile Devices, Part II

Question 1

You’re trying to connect to a wireless access point manually, what is required?

Answer 1

When adding a WIFI network manually, enter the SSID (Service Set Identifier) of the wireless access point (WAP), then enter the passcode for the network

Question 2

You’re configuring your email, what protocols are you most likely using if trying to connect to a mail server?

Answer 2

SMTP, POP3 and IMAP

Question 3

You’re using the SMTP email protocol to send mail, which port numbers are being used if there’s no security concerns?

Answer 3

If security isn’t a priority, you’ll be using Port 25

Question 4

You’re using POP3 when configuring an email, which port number are you connecting to if security isn’t a concern?

Answer 4

If security isn’t a concern, the original port number is 110

Question 5

You’re configuring an email using IMAP protocol, what port number are you using if security is not a concern?

Answer 5

If security isn’t a concern, the original port number is 143

Question 6

You’re configuring an email using SMTP and need to ensure security, which port number will you be using?

Answer 6

If you want security features, you’ll use port numbers 465 or 587

Question 7

You’re configuring an email and using POP3, which port number would you use if security was a priority?

Answer 7

If security is a priority, use port 995

Question 8

You’re configuring an email and using IMAP, which port number would you use if security is important?

Answer 8

If security is important, you want to use port 993

Question 9

You want a phone to be able to attain 3G speeds, which communication standards would your device need to utilize?

Answer 9

To attain 3G speeds, your phone would need to use the Universal Mobile Telecommunications System (UMTS) and Enhanced Data rates for GSM Evolution (EDGE) standards

Question 10

You want your device to be able to attain 4G speeds, which requirements/standards must your device comply with?

Answer 10

4G and 4G LTE speeds can only be attained if a mobile device complies with the International Mobile Telecommunications Advanced (IMT-Advanced) requirements, has a 4G antenna, and is in range of a 4G transmitter

Question 11

You want your device to be able to attain 5G speeds, which requirements/standards must your device comply with?

Answer 11

To attain 5G speeds, Your device must comply with the ‘ITU IMT-2020’ standard.

Question 12

What is a Preferred Roaming List (PRL)?

Answer 12

It’s a database that contains information about the providers radio bands, sub-bands, and server provider IDs.

Ultimately, it allows a phone to connect to the correct tower, without the database, the phone might not be able to roam outside the providers network

Question 13

What is the difference between IMEI (International Mobile Equipment Identity) and IMSI (International Mobile Subscriber Identity)?

Answer 13

IMEI identifies the device, IMSI identifies the user of the device