WorksheetsEduqas Computer Science Component 1 - 1.3 Communication
Total questions: 16
Worksheet time: 13mins
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
HTTP is...
Physical layer
Link layer
Network layer
Transport layer
Application layer
Ethernet is...
Physical layer
Link layer
Network layer
Transport layer
Application layer
Internet Protocol is...
Physical layer
Link layer
Network layer
Transport layer
Application layer
Physical connection using an NIC/router is...
Physical layer
Link layer
Network layer
Transport layer
Application layer
Data which might be included with a packet is...
The source address
A checksum to make sure it isn't corrupted
The destination address
The name of the person who sent it
The brand of computer which sent it
A router...
usually has a built-in switch
allows a network to connect to the internet
finds the most efficient route across a network
Works with the application layer protocols
Works with the network layer protocols
