Network Fundamentals: IPv4

This chapter is from the book

CCENT ICND1 100-105 Exam Cram, 3rd Edition

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This chapter is from the book

This chapter is from the book 

CCENT ICND1 100-105 Exam Cram, 3rd Edition

Learn More Buy

Review Questions

1. What is two raised to the seventh power?

   A. 64

   B. 128

   C. 32

   D. 16

2. What is the meaning of this IP address—127.0.0.1?

   A. This is a multicast address

   B. This is a Class A unicast address

   C. This is a loopback address

   D. This is an invalid IP address

3. What is the subnet mask if you began with the default Class A mask and then “borrowed” four bits for subnetting?

   A. 255.255.128.0

   B. 255.255.240.0

   C. 255.240.0.0

   D. 255.255.255.240

4. If you need to create six subnets, and want to waste as little IP address space as possible, how many bits should you “borrow”?

   A. 2

   B. 3

   C. 4

   D. 5

5. Examine the following diagram. What is the most likely reason HostA is unable to ping HostB?

   

   Click to view larger image

   A. The subnet masks are incorrect for the link between R1 and R2.

   B. HostA has an invalid IP address.

   C. HostB is attempting to use the subnet ID as an IP address.

   D. The R2 interface to R1 is attempting to use a subnet broadcast IP address.

6. What is the Layer 3 broadcast address?

   A. 127.255.255.255

   B. 0.0.0.0

   C. 1.1.1.1

   D. 255.255.255.255

7. What is the range of Class B private addresses?

   A. 172.16.0.0 to 172.16.255.255

   B. 172.0.0.0 to 172.255.255.255

   C. 172.16.0.0 to 172.31.255.255

   D. 172.32.0.0 to 172.36.255.255