What is the motivation for designing IPv6?

The depletion of IPv4 addresses

New technology can bring new innovation

New web technologies demand new IP addressing scheme

IPv4 technology cannot accommodate network heterogeneity

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Question 25 pts

Given the IP: 146.186.32.100 and Subnet Mask: 255.255.0.0, what is the network portion of this IP address?

146.186.32

146.186

100

146

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Question 35 pts

Given the IP: 192.168.32.100 and CIDR: /16, what is the host portion of this IP address?

100

32.100

192.168

192

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Question 45 pts

Given the IP: 192.168.32.100 and CIDR: /24, what is the host portion of this IP address?

100

168.32.100

192

192.168.32

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Question 55 pts

Given the IP: 146.186.32.100 and Subnet Mask: 255.255.0.0, what is the broadcast IP address in this network?

146.186.32.255

146.186.255.255

146.186.255.0

255.255.255.255

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Question 65 pts

Given the IP: 146.186.0.0/24, what is a valid host address in this network?

146.186.1.50

146.50.50.50

146.186.0.50

146.186.255.50.

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Question 75 pts

Given the IP: 192.168.32.100 and CIDR: /16, what is the network portion of this IP address?

192

32.100

192.168

100

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Question 85 pts

Which is a valid IPv6 address?

33FA:246E::AE0F::3829:245C

33FA:246E::AE0F:3829:245C

33FA:246E:0000::0000:AE0F:245C

33FA:246E:AE0F:3829:245C

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Question 95 pts

An IPv4 address is divided into parts: ______ and _______.

Network and host

Physical and logical

Global and local

Network and subnet mask

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Question 105 pts

Given the IP: 146.186.32.100 and Subnet Mask: 255.255.0.0, what is the host portion of this IP address?

146.186

32.100

146.186.32

100

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Question 115 pts

What is the loopback address?

192.168.0.1

127.0.0.1

192.168.255.255

255.255.255.255

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Question 125 pts

IPv4 addresses are ______ bit binary numbers.

32

128

16

64

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Question 135 pts

Destination	Mask	Next Hop
120.130.55.0	255.255.255.0	120.130.55.10
54.87.0.0	255.255.0.0	54.87.10.10
128.1.0.0	255.255.0.0	deliver directly
92.63.0.0	255.255.0.0	92.63.10.10
92.63.20.0	255.255.255.0	92.63.20.10

According to the forwarding table above, what should the router do when it receives 92.63.30.3?

Forward the datagram to 92.63.20.10

Forward the datagram to 92.63.10.10

Deliver the datagram to a host in the network

Forward the datagram to 120.130.55.10

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Question 145 pts

Destination	Mask	Next Hop
120.130.55.0	255.255.255.0	120.130.55.10
54.87.0.0	255.255.0.0	54.87.10.10
128.1.0.0	255.255.0.0	deliver directly
92.63.0.0	255.255.0.0	92.63.10.10
92.63.20.0	255.255.255.0	92.63.20.10

According to the forwarding table above, what should the router do when it receives 54.87.14.9?

Forward the datagram to 92.63.10.10

Deliver the datagram to a host in the network

Forward the datagram to 120.130.55.10

Forward the datagram to 54.87.10.10

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Question 155 pts

There are one entry per ______ in the datagram forwarding table.

Server

Router

Network

Host

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Question 165 pts

Destination	Mask	Next Hop
120.130.55.0	255.255.255.0	120.130.55.10
54.87.0.0	255.255.0.0	54.87.10.10
128.1.0.0	255.255.0.0	deliver directly
92.63.0.0	255.255.0.0	92.63.10.10
92.63.20.0	255.255.255.0	92.63.20.10

According to the forwarding table above, what should the router do when it receives 92.63.20.3?

Forward the datagram to 92.63.10.10

Deliver the datagram to a host in the network

Forward the datagram to 120.130.55.10

Forward the datagram to 92.63.20.10

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Question 175 pts

What does the router do when it receives a datagram that matches more than one entry in the forwarding table?

Forward the datagram to anyone entry that matches

Use longest prefix match and forward it to next hop

Remove all but one entry in the forwarding table and forward the datagram to next hop

Discard the datagram

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Question 185 pts

IP datagrams are _________________.

Different depends on the Network Interface Layer protocol

Different depends on the type of transmission media

The same format regardless the underlying network

Different depends on the type of network

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Question 195 pts

Host A sends a datagram to host B through network #1 (MTU = 1000 bytes), network #2 = (MTU = 1200 bytes), and network #3 (MTU = 1500 bytes). What is the path MTU from host A to host B?

1000 bytes

1200 bytes

3700 bytes

1500 bytes

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Question 205 pts

Host A sends a datagram (length = 2200 bytes) to host B through network #1 (MTU = 1000 bytes), network #2 = (MTU = 1200 bytes), and network #3 (MTU = 1500 bytes). How many fragment(s) will be delivered to host B assuming there is no loss or duplicate?

2

1

3

4