Question 17 2 pts 172.1620/24 PC2 R2 LAN 172.16.3.6130 192.168.10.8/30 192.168.1.0/24 172 16.1.0/24 192.168.104/30 R1 LAN R3 R3 LAN PC1 PC3 How many subnets are in this topology? 6 O 3 0 O 5 Question 18 2 pts Which is the correct supernet or summary for the following contiguous networks? Organization 0 11001000 00010111 00010000 00000000 200.23.16.0/23 Organization 1 11001000 00010111 00010010 00000000 200.23.18.0/23 Organization 2 11001000 00010111 00010100 00000000 200.23.20.0/23 Organization 7 11001000 00010111 00011110 00000000 200.23.30.0/23 O 11001000 00010111 00011110 00000000 /20 11001000 00010111 00010000 00000000 /20 O 11001000 00010111 00011110 00000000 /22 11001000 00010111 00010000 00000000 /23 11001000 00010111 00010000 00000000 /22 Question 20 2 pts Select the prefix that should be used to subnet a given /24 network into at least 6 subnets each with the maximum number of hosts. O /28 O /27 O /30 O /29 When was this packet sent? HTTP/1.1 200 OK Date: Sun, 26 Sep 2010 20:09:20 GMT Server: Apache/2.0.52 (Centos) Last-Modified: Tue, 30 Oct 2007 17:00:02 GMT ETag: "17dc6-a5c-bf716880" Accept-Ranges: bytes Content-Length: 2652 Keep-Alive: timeout=10, max=100 Connection: Keep-Alive Content-Type: text/html; charset=ISO-8859- 1 data data data data data ... O 26/9/10 26/10/9 O 30/10/07 O 10/07/30