Question 1
Indicate whether the following statements are true or false.
[6]
1.1 An IP address 172.30.0.1 can be issued to a LAN because it is a private IP address.
1.2 The TCP header contains fewer fields than the UDP header.
1.3 Routers in an ASthat have the responsibility of routing packets to destinations outside
the AS are called gateway routers.
1.4 With link-state routing protocol, the devices in the network need to know all other
devices and not only the neighbours.
1.5 A control plane in network layer is responsible for moving packets from source to
destination. It also determines how a datagram arriving on a router input port is
forwarded to router output port.
1.6 TCP is more preferable for voice circuit.
Question 2
Choose the correct answer from the multiple choice questions below:
[6]
2.1 Which OSI layer does IP rely to determine whether packets has been lost and to
request for retransmission?
a) Application
b) Transport
c) Network
d) Physical
2.2 You are connecting two switches together. Which type of cable should you use?
a) Roll over
b) Coaxial
c) Crossover
d) Straight-through
2.3 Which of the following will be needed by a PC in order to send a packet to a
destination outside its own subnet?
a) VLAN
b) ARP
c) Default gateway
d) Switch
Page 1 of 5