BTEC IT Level 3 - Unit 1 Test Questions with
correct Solutions
What 3 protocols come under email data transmissions?
1. SMTP
2. POP3
3. IMAP
What is SMTP?
-transmits data from your email client to your outgoing mail server.
-transmit data between email servers (move from your outgoing mail server to the recipient's
mail server).
What does SMTP stand for?
Simple Mail Transfer Protocol
What does POP3 stand for?
Post Office Protocol (3rd version)
What is POP3?
used to download emails from your mail server to your email client.
What is the disadvantage of POP3?
you won't be able to access your emails on multiple devices
What does IMAP stand for?
Internet Message Access Protocol
,What is IMAP?
An alternative to POP3 for retrieving emails from your mail server.
What is the difference between IMAP and POP3?
Instead of downloading your emails, they are synced between your client and your server.
What is a benefit of IMAP over POP3?
You will be able to access the same emails on multiple devices
What 3 protocols are there for Voice & Video Calls over the Internet data transmissions?
1. SIP
2. RTP
3. RTCP
What does SIP stand for?
Session Initiation Protocol
What is SIP?
A signalling protocol that establishes the connection between sender & receive
How does SIP work?
-SIP signalling packet is sent from the person to the recipient.
-SIP packet is received, recipients VoIP phone starts to ring.
What does RTP stand for?
Real-time Transport Protocol
,What does RTP do?
Transmits the data packets along the connection. (works with SIP)
What is a disadvantage of RTP?
Gives no guarantee for delivery, taking no responsibility for recovering lost packets.
What does RTCP stand for?
RTP Control Protocol
What does RTCP do?
sends control packets that provide feedback on the quality of the data delivery.
What 3 protocols come under web pages data transmissions?
1. HTTP
2. HTTPS
3. FTP
What does HTTP stand for?
HyperText Transfer Protocol
What does HTTP do?
establishes a connection between the client and server and then transfers web pages to the client.
What does HTTPS stand for?
HyperText Transfer Protocol Secure
What is HTTPS?
, a version of HTTP that transmits data in a secure encrypted format using either TLS or SSL
technologies.
What does FTP stand for?
File Transfer Protocol
What is FTP?
the protocol used when transferring files between computers over the internet
When is FTP used?
when uploading web pages to a web server so they can be accessed by users browsing the web.
What is the first connection that FTP can establish (client to computer)?
Control connection
Once the control connection is established what is the second connection established?
Data connection
What is the control connection used for?
to administrate the connections and to send commands
What is the data connection used for?
to transfer files between the client and the server.
What is the 2 protocols used for secure payment systems data transmissions?
1. SET
2. 3D Secure
correct Solutions
What 3 protocols come under email data transmissions?
1. SMTP
2. POP3
3. IMAP
What is SMTP?
-transmits data from your email client to your outgoing mail server.
-transmit data between email servers (move from your outgoing mail server to the recipient's
mail server).
What does SMTP stand for?
Simple Mail Transfer Protocol
What does POP3 stand for?
Post Office Protocol (3rd version)
What is POP3?
used to download emails from your mail server to your email client.
What is the disadvantage of POP3?
you won't be able to access your emails on multiple devices
What does IMAP stand for?
Internet Message Access Protocol
,What is IMAP?
An alternative to POP3 for retrieving emails from your mail server.
What is the difference between IMAP and POP3?
Instead of downloading your emails, they are synced between your client and your server.
What is a benefit of IMAP over POP3?
You will be able to access the same emails on multiple devices
What 3 protocols are there for Voice & Video Calls over the Internet data transmissions?
1. SIP
2. RTP
3. RTCP
What does SIP stand for?
Session Initiation Protocol
What is SIP?
A signalling protocol that establishes the connection between sender & receive
How does SIP work?
-SIP signalling packet is sent from the person to the recipient.
-SIP packet is received, recipients VoIP phone starts to ring.
What does RTP stand for?
Real-time Transport Protocol
,What does RTP do?
Transmits the data packets along the connection. (works with SIP)
What is a disadvantage of RTP?
Gives no guarantee for delivery, taking no responsibility for recovering lost packets.
What does RTCP stand for?
RTP Control Protocol
What does RTCP do?
sends control packets that provide feedback on the quality of the data delivery.
What 3 protocols come under web pages data transmissions?
1. HTTP
2. HTTPS
3. FTP
What does HTTP stand for?
HyperText Transfer Protocol
What does HTTP do?
establishes a connection between the client and server and then transfers web pages to the client.
What does HTTPS stand for?
HyperText Transfer Protocol Secure
What is HTTPS?
, a version of HTTP that transmits data in a secure encrypted format using either TLS or SSL
technologies.
What does FTP stand for?
File Transfer Protocol
What is FTP?
the protocol used when transferring files between computers over the internet
When is FTP used?
when uploading web pages to a web server so they can be accessed by users browsing the web.
What is the first connection that FTP can establish (client to computer)?
Control connection
Once the control connection is established what is the second connection established?
Data connection
What is the control connection used for?
to administrate the connections and to send commands
What is the data connection used for?
to transfer files between the client and the server.
What is the 2 protocols used for secure payment systems data transmissions?
1. SET
2. 3D Secure
