(a) Access Control Lists can be used to control traffic in a network. State any two parameters that can be used to filter traffic using extended IP access lists. 2 marks (b) Figure 1 below shows network segments interconnected by two routers A and B. Write an extended ACL to permit the first 63 usable addresses in the 192.168.45.0 network to reach the lower half of the addresses in the 172.16.125.0 network, but not the upper half. Deny all other traffic. Keep in mind that there may be multiple ways many of the individual statements in an ACL can be written. 4 marks (c) Which router interface would you apply this ACL to and in which direction? 2 marks (d) Write the statement that will achieve the action in part (c) above. PC1 Fa0/2 SWA 10.250.2.0/24 172.16.125.0/24 Fo0/1 Fa0/27 Fa0/3 Fa0/3 Fa0/0 SWI Fa0/1 PCG PC2 seove/o Router A SRVI 10.250.1.0/30 Router B Fa0/2, Sea/o/o Fa0/3 Fa0/0 Fa0/1 Fa0/1 10.250.8.0/24 SW2 SRV2 Fa0/20/3 Fa0/1 2 marks 5W3 192.168.45.0/24 PCA