IPv6 and ICMP Quiz PDF

Multiple Choice Quiz: IPv6 Addressing 1. What is the primary reason for the development of IPv6? A. To improve network security B. **To provide a larger address space than IPv4** C. To simplify network configuration D. To increase network speed 2. How many bits are in an IPv6 address? A....

Multiple Choice Quiz: IPv6 Addressing 1. What is the primary reason for the development of IPv6? A. To improve network security B. **To provide a larger address space than IPv4** C. To simplify network configuration D. To increase network speed 2. How many bits are in an IPv6 address? A. 32 B. 64 C. **128** D. 256 3. What is the preferred format for writing an IPv6 address? A. x-x-x-x-x-x-x-x B. x.x.x.x.x.x.x.x C. **x:x:x:x:x:x:x:x** D. x/x/x/x/x/x/x/x 4. What is a 'hextet' in the context of IPv6 addressing? A. A group of 8 bits B. A group of 32 bits C. **A group of 16 bits** D. A group of 64 bits 5. Which rule helps to reduce the notation of IPv6 addresses by omitting zeros? A. Omit trailing zeros B. **Omit leading zeros** C. Omit all zeros D. Omit middle zeros 6. What does a double colon (::) represent in an IPv6 address? A. A single 0 B. **A contiguous string of one or more 16-bit hextets consisting of all zeros** C. A separator between network and host portions D. A multicast address 7. How many times can the double colon (::) be used in an IPv6 address? A. Unlimited B. Twice C. **Only once** D. Three times 8. Which of the following is NOT a type of IPv6 address? A. Unicast B. Multicast C. Anycast D. **Broadcast** 9. What does a Global Unicast Address (GUA) in IPv6 represent? A. A locally unique, non-routable address B. **A globally unique, internet-routable address** C. An address used only for multicast communication D. An address used for testing purposes 10. What is the purpose of a Link-Local Address (LLA) in IPv6? A. To communicate with devices on di@erent networks B. **To communicate with devices on the same local link** C. To provide a global address for routing D. To be used as a default gateway address 11. Which IPv6 address range is used for Link-Local Addresses (LLAs)? A. 2000::/3 B. @00::/8 C. **fe80::/10** D. fc00::/7 12. What is the recommended IPv6 prefix length for LANs? A. /128 B. **/64** C. /48 D. /16 13. What is the command to configure an IPv6 GUA on a router interface? A. ip address ipv6-address/prefix-length B. **ipv6 address ipv6-address/prefix-length** C. ipv6 set address ipv6-address/prefix-length D. interface ipv6 address ipv6-address/prefix-length 14. What type of ICMPv6 messages are sent by host devices to discover IPv6 routers? A. Router Advertisement (RA) B. **Router Solicitation (RS)** C. Neighbor Solicitation (NS) D. Neighbor Advertisement (NA) 15. Which method allows a device to configure a GUA without the services of DHCPv6? A. Stateful DHCPv6  B. **SLAAC** C. Stateless DHCPv6 D. All of the above 16. What is the EUI-64 process used for? A. Generating a 32-bit IPv4 address B. **Generating a 64-bit interface ID** C. Encrypting IPv6 addresses D. Translating IPv6 to IPv4 17. What is the prefix for IPv6 multicast addresses? A. 2000::/3 B. fe80::/10 C. **@00::/8** D. fc00::/7 18. Which IPv6 multicast address is used by all IPv6-enabled devices on a link or network? A. @02::2 B. **@02::1** C. @00::1 D. @02::3 19. What is the purpose of the subnet ID field in an IPv6 address? A. To identify the host portion of the address B. **To identify subnets within an organization's site** C. To indicate the routing prefix D. To indicate the interface ID 20. What is the range of the IPv6 unique local addresses? A. 2000::/3 B. fe80::/10 C. **fc00::/7 to fd@::/7** D. @00::/8 **Multiple Choice Quiz - ICMP** 1. What is the primary purpose of ICMP? a) To transfer files between hosts b) To provide feedback about issues related to the processing of IP packets * c) To encrypt network tra'ic d) To manage routing protocols 2. Which of the following is NOT a common ICMP message? a) Host Reachability b) Destination or Service Unreachable c) Time Exceeded d) Data Transfer Confirmation * 3. What message is sent by the local host to test the reachability of a host? a) Echo Reply b) Echo Request * c) Destination Unreachable d) Time Exceeded 4. What is the purpose of an ICMP Destination Unreachable message? a) To confirm that a host is reachable b) To notify the source that a destination or service is unreachable * c) To indicate that a packet's TTL has expired d) To request an IP address 5. In ICMPv4, which code indicates "Host unreachable"? a) 0 b) 1 * c) 2 d) 3 6. What does a Time Exceeded message indicate? a) The destination host is down b) The network is congested c) The TTL or Hop Limit field has decremented to 0 * d) The packet has been successfully delivered 7. What field is used in ICMPv6 for Time Exceeded messages instead of the TTL field used in ICMPv4? a) IP address field b) Hop Limit field * c) Payload field d) Header field 8. Which of the following is NOT a part of ICMPv6 Neighbor Discovery Protocol? a) Router Solicitation (RS) b) Router Advertisement (RA) c) Neighbor Solicitation (NS) d) Data Acknowledgement (DA) * * 9. What is the purpose of an RA message? a) To request a MAC address b) To respond to an NS message c) To provide addressing information to IPv6-enabled hosts * d) To indicate an unreachable network 10. What does an NS message include when checking the uniqueness of an IPv6 address? a) The router's MAC address b) The intended destination's IP address c) The device's own IPv6 address as the targeted IPv6 address * d) The network prefix and prefix length 11. What is the purpose of Duplicate Address Detection (DAD)? a) To resolve MAC addresses to IP addresses b) To ensure that an IPv6 address is unique * c) To identify the network router d) To dynamically configure IP addresses 12. According to the document, how often are RA messages sent by IPv6-enabled routers? a) Every 60 seconds b) Every 120 seconds c) Every 200 seconds * d) On demand only 13. Which command is used to test network connectivity using ICMP echo request and reply messages? a) traceroute b) ping * c) nslookup d) ipconfig 14. What does a successful ping to the loopback address indicate? a) The host has a valid internet connection b) The TCP/IP is properly installed on the host * c) There is a connection problem with the router d) The network configuration is incomplete 15. If a host can ping the default gateway, what can you assume? a) The router is the only device operational on the network b) The default gateway has a stable IP address c) The host and router interface serving as the default gateway are both operational on the local network * d) Other hosts on the local network are not operational 16. What does the `traceroute` utility use to identify the path between two hosts? a) ICMP Echo Request b) ICMP Echo Reply c) ICMP Destination Unreachable Message d) ICMP Time Exceeded message * 17. In `traceroute`, what is used to indicate a lost or unreplied packet? a) A hyphen (-) b) An exclamation point (!) c) An asterisk (*) * d) A question mark (?) 18. What value does traceroute initially set for the TTL field in the first message it sends? a) 0 b) 1 * c) 255 d) A random value 19. What does the ping command provide as a summary of results? a) Route of the packet and network interface b) MAC address and subnet mask of the destination c) Success rate and average round-trip time to the destination * d) List of network protocols and packet header info 20. What is the IPv4 loopback address? a) 192.168.0.1 b) 10.0.0.1 c) 127.0.0.1 * d) ::1 21. What is the IPv6 loopback address? a) 127.0.0.1 b) 192.168.0.1 c) ::1 * d) fe80::1 22. Why might a network administrator limit or prohibit ICMP messages?  a) To improve network performance b) To prioritize bandwidth for critical applications c) Due to security restrictions * d) To make routing tables smaller 23. What function in ICMPv6 is similar to the redirect message in ICMPv4? a) Router Solicitation b) Neighbor Advertisement c) Neighbor Discovery Redirect Message * d) Time Exceeded Message 24. What will a host respond with, if it is available and an echo request is sent to it? a) Time Exceeded Message b) Echo Reply * c) Destination Unreachable Message d) Router Advertisement 25. What does the `traceroute` utility use to determine the round-trip time for each hop along a path? a) ICMP Echo Requests b) ICMP Echo Replies c) ICMP Time Exceeded Messages * d) ICMP Destination Unreachable Messages