eksamensforbredelser

Question 1

flow control

Answer 1

• Control traffic from sender to receiver
• Sender adjusts the sending rate, according
  to the receiver’s receiving capacity

in transport layer and link layer

Question 2

congestion control

Answer 2

• Control network traffic
• The transport layer slows down the transfer
  of data to reduce traffic in the network

Question 3

3 goals of firewall

Answer 3

• All traffic from outside to inside, and vice versa, passes through the firewall
• Only authorized traffic, as defined by the local security policy, will be allowed to pass.
• The firewall itself is immune to penetration

Question 4

ICMP - internet Control Message Protocol

Answer 4

IP’s built-in messaging system
end error messages and status updates — it’s part of the IP protocol family