![Question 24 4 pts Upon encountering a router with the following routing table: Prefix Match 10011110 00011110 10001111 10011110 00011110 10001111 000 10011110 00011110 10001111 01 10011110 00011110 10001110 0001 Default Port 0 1 2 3 4 A datagram with the destination IP address 158.30.143.80 would be routed to Select]](http://img.homeworklib.com/questions/ee9f29a0-aeb1-11ea-bd5b-7321a46072c6.png?x-oss-process=image/resize,w_560)
Homework Answers
158.30.143.80 in binary notation it is 10011110 00011110 10001111 01010000 10011110 00011110 10001111 01 in given table is a prefix of the above ip address. so, datagram is routed to Port 2
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Question 24 4 pts Upon encountering a router with the following routing table: Prefix Match 10011110...
Question 6 A router has the following routing table: Destination Address Range Link Interface 123.46.56.0/22 1...
Question 6 A router has the following routing table: Destination Address Range Link Interface 123.46.56.0/22 1 123.46.56.0/23 2 123.46.56.0/24 3 Otherwise 4 The router uses longest-prefix matching. On which interface will the router send each of the following received packets: Packet 1 with a destination: 123.46.56.1 Packet 2 with a destination: 123.46.56.2 Packet 3 with a destination: 123.46.56.3 Packet 4 with a destination: 123.46.56.4
1. To which of the following subnets does IP address 225.3.2.22 belong? 225.3.2.0/24 225.3.2.22/24 225.2.3.0/24 225.0.0.0/24...
1. To which of the following subnets does IP address 225.3.2.22 belong? 225.3.2.0/24 225.3.2.22/24 225.2.3.0/24 225.0.0.0/24 none of the above Question 2 On which of the following devices does the transport layer NOT run? laptop router cellphone A, B and C none of the above Question 3 What is the source address contained in the discover message sent by a host that is wanting to obtain an IP address? 255.255.255.255 0.0.0.0 the IP address of the server the last IP...
Test Your Understanding 10. a) Distinguish between Step 1 and Step 2 in the routing process. b) If any row other than the default row matches an IPv4 address, why will the router never choose...
Test Your Understanding 10. a) Distinguish between Step 1 and Step 2 in the routing process. b) If any row other than the default row matches an IPv4 address, why will the router never choose the default row? c) Which rows in Figure 8-11 match 128.171.17.13? (Don't forgst the default row.) Show your calculations for rows that match. d) Which of these is the best-match row? Justify your answer. e) What rows match 172.40.17.6? Show your calculations for rows that...
5. A router has the following CIDR entries in its routing table Address/mask 135.46.0.0/16 135.46.60.0/24 135.46.80.12/32...
5. A router has the following CIDR entries in its routing table Address/mask 135.46.0.0/16 135.46.60.0/24 135.46.80.12/32 192.53.40.0/24 192.53.40.7/32 0.0.0.0/0 (default) RoterF Next hop Router A Router B Router C Router D Router E For each of the following IP addresses, list all the matching targets first, and then indicate which match is chosen and explain why a) 135.46.60.10 b) 135.46.57.14 c) 135.46.80.18 d) 192.53.40.7 e) 192.53.56.7
Consider the following routing table in an IPV4 router: Port Ptr IP Prefix (Decimal) IP Prefix...
Consider the following routing table in an IPV4 router: Port Ptr IP Prefix (Decimal) IP Prefix (Hex) A 192.168.240.192/27 C0.A8.F0.C0/27 B 192.168.240.241/32 C0.A8.F0.F1/32 C 192.168.240.234/31 C0.A8.F0.EA/31 D 192.168.240.232/30 C0.A8.F0.E8/30 E 192.168.240.213/32 C0.A8.F0.D5/32 F 192.168.240.248/30 C0.A8.F0.F8/30 G 192.168.240.244/31 C0.A8.F0.F4/31 Repeat G for the trie in D.
Row Network/Subnet 0.0.0.0 1 128.171.0.0 172.30.33.0 Mask (/Prefix) Metric (Cost) Interface Next Hop Router 0.0.0.0 (/0)...
Row Network/Subnet 0.0.0.0 1 128.171.0.0 172.30.33.0 Mask (/Prefix) Metric (Cost) Interface Next Hop Router 0.0.0.0 (/0) 255.255.0.0/16) 47 255.255.255.0 (/24) Local 255.255.255.0/24) 12 255.255.255.0 (/24) 55 255.255.255.0 (/24) 34 Local 255.255.255.0 (/24) 20 192.168.6.0 128.171.17.0 172.29.8.0 172.29.8.0 For the routing table above, if the arriving packet has a destination IP address 128.171.17.56, it will match with row 1 5 3
Consider the following routing table in an IPV4 router: Port Ptr IP Prefix (Decimal) IP P...
Consider the following routing table in an IPV4 router: Port Ptr IP Prefix (Decimal) IP Prefix (Hex) A 192.168.240.192/27 C0.A8.F0.C0/27 B 192.168.240.241/32 C0.A8.F0.F1/32 C 192.168.240.234/31 C0.A8.F0.EA/31 D 192.168.240.232/30 C0.A8.F0.E8/30 E 192.168.240.213/32 C0.A8.F0.D5/32 F 192.168.240.248/30 C0.A8.F0.F8/30 G 192.168.240.244/31 C0.A8.F0.F4/31 Repeat G for the trie in D.
Question 5 U/ 1.5 pts A transport-layer packet is called a datagram, which encapsulates a header...
Question 5 U/ 1.5 pts A transport-layer packet is called a datagram, which encapsulates a header and an application-layer message. True False Question 6 0/1.5 pts If the range of IP addresses is 01010110 000000000000000000000000 through 01010111 11111111 11111111 11111111, the longest prefix entry in the routing table would be 0101011 True False Question 7 0/1.5 pts It takes the router 100 milliseconds to push a 1,000-bit packet onto a link with 1,000 Kbps transmission rate. True False
Question 48 10 pts Row Mask (/Prefix) Interface Destination Network or Subnet Metric (Cost) Next- Hop...
Question 48 10 pts Row Mask (/Prefix) Interface Destination Network or Subnet Metric (Cost) Next- Hop Router 128.171.0.0 47 2. G 1 2 255.255.0.0 (116) 255.255.255.0 (124) 172.30.33.0 0 1 Local 3 60.168.6.0 255.255.255.0 (124) 12 2 G 4 123.0.0.0 255.0.0.0 (8) 33 2 G 5 172.29.8.0 34 1 F 255.255.255.0 (124) 255.255.255.0 (124) 6 172.40.6.0 47 3 H 7 128.171.17.0 55 3 H 00 172.29.8.0 20 3 H 9 172.12.6.0 23 1 TI 10 172.30.12.0 255.255.255.0 (24) 255.255.255.0 (124)...
Question 12 pts (TCO 4) What is the difference between IPv6 routing table entries compared to...
Question 12 pts (TCO 4) What is the difference between IPv6 routing table entries compared to IPv4 routing table entries? Select an answer: IPv6 routing tables include local route entries which IPv4 routing tables do not. Unlike IPv6, IPv4 can only be used in interior gateway routing protocol. IPv6 is always classless unlike IPv4. Both answers A and B are correct. Both answers A and C are correct.
Test Your Understanding 10. a) Distinguish between Step 1 and Step 2 in the routing process. b) If any row other than the default row matches an IPv4 address, why will the router never choose the default row? c) Which rows in Figure 8-11 match 128.171.17.13? (Don't forgst the default row.) Show your calculations for rows that match. d) Which of these is the best-match row? Justify your answer. e) What rows match 172.40.17.6? Show your calculations for rows that...
5. A router has the following CIDR entries in its routing table Address/mask 135.46.0.0/16 135.46.60.0/24 135.46.80.12/32 192.53.40.0/24 192.53.40.7/32 0.0.0.0/0 (default) RoterF Next hop Router A Router B Router C Router D Router E For each of the following IP addresses, list all the matching targets first, and then indicate which match is chosen and explain why a) 135.46.60.10 b) 135.46.57.14 c) 135.46.80.18 d) 192.53.40.7 e) 192.53.56.7
Row Network/Subnet 0.0.0.0 1 128.171.0.0 172.30.33.0 Mask (/Prefix) Metric (Cost) Interface Next Hop Router 0.0.0.0 (/0) 255.255.0.0/16) 47 255.255.255.0 (/24) Local 255.255.255.0/24) 12 255.255.255.0 (/24) 55 255.255.255.0 (/24) 34 Local 255.255.255.0 (/24) 20 192.168.6.0 128.171.17.0 172.29.8.0 172.29.8.0 For the routing table above, if the arriving packet has a destination IP address 128.171.17.56, it will match with row 1 5 3
Question 5 U/ 1.5 pts A transport-layer packet is called a datagram, which encapsulates a header and an application-layer message. True False Question 6 0/1.5 pts If the range of IP addresses is 01010110 000000000000000000000000 through 01010111 11111111 11111111 11111111, the longest prefix entry in the routing table would be 0101011 True False Question 7 0/1.5 pts It takes the router 100 milliseconds to push a 1,000-bit packet onto a link with 1,000 Kbps transmission rate. True False
Question 48 10 pts Row Mask (/Prefix) Interface Destination Network or Subnet Metric (Cost) Next- Hop Router 128.171.0.0 47 2. G 1 2 255.255.0.0 (116) 255.255.255.0 (124) 172.30.33.0 0 1 Local 3 60.168.6.0 255.255.255.0 (124) 12 2 G 4 123.0.0.0 255.0.0.0 (8) 33 2 G 5 172.29.8.0 34 1 F 255.255.255.0 (124) 255.255.255.0 (124) 6 172.40.6.0 47 3 H 7 128.171.17.0 55 3 H 00 172.29.8.0 20 3 H 9 172.12.6.0 23 1 TI 10 172.30.12.0 255.255.255.0 (24) 255.255.255.0 (124)...
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