CCST - Cisco Certified Support Technician IPv4 vs. IPv6 Addressing Questions and Answers

Question 1

A network technician is configuring a new device on an IPv6-enabled network.
The device needs to automatically configure its own IP address without the use of a DHCP server.
Which IPv6 feature allows for this?

Accepted Answer

SLAAC

Answer

NAT64

Answer

Anycast

Answer

DHCPv6

Question 2

What is the primary reason for the development and adoption of IPv6 over IPv4?

Accepted Answer

The exhaustion of the 32-bit IPv4 address space.

Answer

Faster packet processing due to a more complex header.

Answer

Native support for broadcast messaging.

Answer

Simplified address notation using decimal numbers.

Question 3

A support technician is examining IP packet headers and notices a significant difference between IPv4 and IPv6. Which of the following fields is present in an IPv4 header but has been removed from the main IPv6 header to improve efficiency?

Accepted Answer

Header Checksum

Answer

Version

Answer

Source Address

Answer

Hop Limit

Question 4

How are IPv6 addresses typically represented in human-readable format?

Accepted Answer

Eight hexadecimal numbers separated by colons.

Answer

Four decimal numbers separated by periods.

Answer

A single 128-bit decimal number.

Answer

Six hexadecimal numbers separated by hyphens.

Question 5

A company is transitioning to an IPv6-only internal network but still needs to allow its users to access services on the IPv4 internet. Which technology is specifically designed to facilitate this communication between IPv6 and IPv4 networks?

Accepted Answer

NAT64

Answer

SLAAC

Answer

ARP

Answer

Broadcast

Question 6

Which of the following statements accurately describes a key difference in how IPv4 and IPv6 handle network-wide messages?

Accepted Answer

IPv4 uses broadcast messages, while IPv6 has eliminated broadcast in favor of multicast and anycast.

Answer

IPv6 relies exclusively on broadcast messages for address resolution.

Answer

IPv4 has no mechanism for sending a message to all hosts on a subnet.

Answer

Both IPv4 and IPv6 use identical broadcast mechanisms for all network-wide communication.