Part A)

What makes UDP into a proper transport protocol?

Select one:

a. it uses the services of the network layer

b. it supports IPv4 and IPv6 addressing

c. its port numbers

d. the checksum field

e. it supports large sends

Part B)

Ethernet switches have incorporated a switch-to-switch protocol to construct a subset of the switch-connections that has no loops. This protocol is called:

Select one:

a. source routing

b. VPN

c. VLAN

d. Open Flow

e. spanning tree

Part C)

For a CIDR routers forwarding table entry with destination a.b.c.d/k to be selected, how many bits of the destination IP X have to match?

Select one:

a. < k bits

b. k bits

c. > k bits

d. all the bits of D

e. it depends on the address class of X

Part D)

The general term for the Protocol Data Unit (PDU) used at the TCP layer is:

Select one:

a. Packet

b. Segment

c. Frame

d. Fragment

e. Record