CCNA1 v6.0 Chapter 7 Exam Answers 2018 (100%)

1. How many bits are in an IPv4 address?






2. Which two parts are components of an IPv4 address? (Choose two.)

subnet portion

network portion*

logical portion

host portion*

physical portion

broadcast portion


3. What does the IP address represent?

network address

multicast address

host address*

broadcast address


4. What is the purpose of the subnet mask in conjunction with an IP address?

to uniquely identify a host on a network

to identify whether the address is public or private

to determine the subnet to which the host belongs*

to mask the IP address to outsiders


5. What subnet mask is represented by the slash notation /20?*



limited broadcast


directed broadcast*



7. What are three characteristics of multicast transmission? (Choose three.)





Computers use multicast transmission to request IPv4 addresses.

Multicast messages map lower layer addresses to upper layer addresses.


8. Which three IP addresses are private ? (Choose three.)***




dual stack*





10. Which of these addresses is the shortest abbreviation for the IP address:


3FFE : 1044 :: AB :: 57

3FFE : 1044 :: 00AB :: 0057


3FFE : 1044 : 0 : 0 : 00AB :: 0057

3FFE : 1044 : 0000 : 0000 : 00AB :: 57

3FFE : 1044 : 0000 : 0000 : 00AB :: 0057



global unicast



unique local


12. What are two types of IPv6 unicast addresses? (Choose two.)
















stateless DHCPv6*

stateful DHCPv6

RA and EUI-64









the number of routers between the source and destination device

the IP address of the router nearest the destination device


the destination device is reachable through the network*



17. What is the purpose of ICMP messages?

to inform routers about network topology changes

to ensure the delivery of an IP packet

to provide feedback of IP packet transmissions*

to monitor the process of a domain name to IP address resolution



The host is cabled properly.

The default gateway address is correctly configured.

All hosts on the local link are available.

The link-local address is correctly configured.

IP is properly installed on the host.*



when the router receives an ICMP Time Exceeded message

when the RTT value reaches zero

when the host responds with an ICMP Echo Reply message

when the value in the TTL field reaches zero*




TTL field

CRC field

Hop Limit field*

Time Exceeded field


21. Fill in the blank.

The decimal equivalent of the binary number 10010101 is 149 .


22. Fill in the blank.
The binary equivalent of the decimal number 232 is 11101000

23. Fill in the blank.
What is the decimal equivalent of the hex number 0x3F? 63


24. Match each description with an appropriate IP address. (Not all options are used.) -> a link-local address -> a TEST-NET address -> an experimental address -> a private address -> a loopback address

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