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4.1 IPv4, Classful Addressing, & NAT

Total questions: 10

Worksheet time: 4mins

Name
Class
Date
1.

Which of the following IP addresses is a multicast address?

a)

86.75.30.9

b)

143.201.63.9

c)

201.191.150.36

d)

226.62.81.32

2.

A classful class C address uses how many of the 32 bits in an IPv4 address for the network portion?

a)

8

b)

16

c)

24

d)

It depends on the subnet mask

3.

How many bits of the following IPv4 address are used for the host bits?

198.3.201.32/24

a)

8

b)

16

c)

24

d)

It depends on the subnet mask

4.

What class is this IP address:

86.75.30.9

a)

Class A

b)

Class B

c)

Class C

d)

Class D

5.

What class is this IP address:

199.199.1.1.11

a)

Class A

b)

Class B

c)

Class C

d)

Class D

6.

Which of the following is the only IP address that can be publicly routed?

a)

10.0.0.5

b)

172.31.44.11

c)

192.168.64.91

d)

86.75.30.9

7.

Which of the following is not a valid IP address?

a)

172.16.32.48

b)

10.20.30.40

c)

192.168.45.90

d)

201.268.134.67

8.

Your machine has a private (internal) IP address of 10.30.60.90.

The one public IP address for your organization is 86.75.30.9.

The NAT service assigns the port number 67 to your machine.

How will traffic from you be addressed by the NAT service when it sends requests to web servers on your behalf?

a)

10..30.60.90

b)

86.75.30.9

c)

10.30.60.90:67

d)

86.75.30.9:67

9.

What do hops 2 - 5 on the traceroute shown below indicate?

a)

a router/routing device (Layer 3)

b)

a switch/switching device (Layer 2)

c)

a hub-type device (Layer 1)

d)

any Layer 1, Layer 2, or Layer 3 device that handled the ICMP traffic

10.

What command is used to get the reply shown below?

a)

ping

b)

traceroute/tracert

c)

show route

d)

show interface