Eduqas Computer Science Component 1 - 1.3 Communication

Select the advantages of a STAR topology compared to a BUS:

• A broken cable won't break the whole network

• Fewer data collisions

• Cheaper

• Easier to set up

• No single point of failure

Select the advantages of a BUS topology compared to a STAR:

• A broken cable won't break the whole network

• Fewer data collisions

• Cheaper

• Easier to set up

• No single point of failure

Select the advantages of a RING topology compared to a STAR:

• A broken cable won't break the whole network

• Fewer data collisions

• Cheaper

• Easier to set up

• No single point of failure

Select the advantages of a MESH topology compared to a STAR:

• A broken cable won't break the whole network

• Fewer data collisions

• Cheaper

• Easier to set up

• No single point of failure

Select the advantages of a BUS topology compared to a MESH:

• A broken cable won't break the whole network

• Fewer data collisions

• Cheaper

• Easier to set up

• No single point of failure

An example of where a mesh topology might be used is...

• a hospital

• a school

• a house

• a shop

A DNS server...

• has a list of domains and IP addresses

• checks other DNSes if you don't have an address

• translates URLs into IP addresses

• connects you to the internet

• sends emails.

Which of these protocols are used for emails?

• POP

• IMAP

• SMTP

• ethernet

• FTP

SMTP is...

• Physical layer

• Link layer

• Network layer

• Transport layer

• Application layer

FTP is...

• Physical layer

• Link layer

• Network layer

• Transport layer

• Application layer