Meerry Christmas Santa's File transfer data and security quiz

What is meant be parallel data transmission?

• Data that is sent at a regular time through a clock

• Multiple bits of data transferred over multiple channels at the same time in,

• Uses both public keys in encrypting data to be transmitted

• Data transmission that is parallel to the bits running up the wire

Answer explanation

I hope you got the answer correct....

When is parallel transmission preferred over Serial transmission?

• When large amounts of data need to be sent

• When the internet connection is unstable

• When Serial transmission overheats

• Maybe I dont know and am quite silly

What is synchronous transmission?

• A term for simplex transmission

• Deep sea pipe installation

• Data is transmitted when available rather than at intervals.

• When bits are transferred over a communication channel at a constant rate synced using a common clock

What is cross-talk and Skew?

• When 2 computers communicate with each other

• When bits are transferred at different speeds, they may fall out of sync.

• Electromagnetic interference between wires causes the corruption of data

• The loss of electrons when signals are transmitted

What is the internet layer order?

• Application

  Transport

  Internet

  Link

• Transport

  Internet

  Link

  Application

• Connection

  Internet

  Link

  Application

• Application

  Transport

  Link

  Internet

Answer explanation

This is known as TCP/IP

What protocol is used to SEND emails across the internet?

• IMAP (Internet Message Access Protocol)

• HTTP (Hyper text transfer protocol)

• SMTP (Simple Mail Transfer Protocol)

• POP3 (Post office protocol)

Answer explanation

Post Office Protocol is used to retrieve email for a single client.

Internet Message Access Protocol is used to retrieve mails for multiple clients.

Simple Mail Transfer Protocol is used to send mails over the internet. SMTP is an application layer and connection-oriented protocol.

Draw a STAR network

Answer explanation

Its meant to look like this

Define what a LAN is?

• Local area network: A network between somebodies devices

• Local area network: a network of devices in a local area

• Local asymptotic normality: A sequence of models where approximation can be made after re scaling using a normal model

• A 2009 Chinese film

(a)   compression is irreversible compression. An example is JPEG

Santa is thinking of creating a website to order new sled parts. His sleigh is meant to be kept a secret in how it works. How can Santa protect data being transferred on a web with a protocol?

• He could use POP3 to pop the interceptors

• An Anti-Virus will help him.

• Using the HTTPS (Hyper text transfer protocol secure) will be able to ecnrypt data that is sent on his site.

• He could install magic elves program 2000. This may give him a virus however...