Module 9 Quiz - Networking

Module 9: Address Resolution\ \ 2.) Which protocol is used by IPv6 for address resolution?\ a. ICMPv6\ b. RARP\ c. ARP\ d. DHCPv6\ Answer: a 3.) What is the primary function of the Address Resolution Protocol (ARP)?\ a. To resolve an IPv4 address to a MAC address\ b. To assign IP addresses\ c. To m...

Module 9: Address Resolution\ \ 2.) Which protocol is used by IPv6 for address resolution?\ a. ICMPv6\ b. RARP\ c. ARP\ d. DHCPv6\ Answer: a 3.) What is the primary function of the Address Resolution Protocol (ARP)?\ a. To resolve an IPv4 address to a MAC address\ b. To assign IP addresses\ c. To monitor network traffic\ d. To route packets between networks\ Answer: a 4.) What type of Ethernet and IPv6 multicast addresses are used to send ICMPv6 Neighbor Solicitation messages?\ a. Special Ethernet and IPv6 multicast addresses\ b. Broadcast addresses\ c. Anycast addresses\ d. Unicast addresses\ Answer: a 5.) Which layer of the OSI model does ARP operate at?\ a. Network layer\ b. Application layer\ c. Transport layer\ d. Data Link layer\ Answer: d 6.) What type of address does ARP resolve?\ a. Subnet address\ b. MAC address\ c. IP address\ d. A mapping of IP address to MAC address\ Answer: d 8.) Which of the following commands displays the current ARP cache on a Windows machine?\ a. ipconfig\ b. arp -a\ c. ifconfig\ d. netstat\ Answer: b 10.) Who can remove ARP table entries manually?\ a. The device itself\ b. The operating system\ c. Any user on the network\ d. Only the network administrator\ Answer: d 11.) What happens to ARP entries in the ARP table after a specified period of time?\ a. They are permanently stored\ b. They are removed when an ARP cache timer expires\ c. They are sent to the logs\ d. They are updated automatically\ Answer: b 13.) What is the purpose of ICMPv6 Neighbor Solicitation (NS) messages in IPv6 Neighbor Discovery?\ a. Redirection services\ b. Device-to-device messaging\ c. Router discovery\ d. Address resolution\ Answer: d 14.) What is a mitigation technique used by enterprise-level switches to protect against ARP attacks?\ a. ARP caching\ b. ARP spoofing detection\ c. ARP resolution\ d. ARP filtering\ Answer: d 15.) How do IPv6 devices resolve the MAC address of a known IPv6 address?\ a. Using ARP requests and replies\ b. Using ICMPv6 Router Solicitation (RS) and Router Advertisement (RA) messages\ c. Using ICMPv6 Neighbor Solicitation (NS) messages\ d. Using ICMPv6 redirect messages\ Answer: c 16.) What type of messages are used by routers for better next-hop selection in IPv6 Neighbor Discovery?\ a. ICMPv6 Router Solicitation (RS) and Router Advertisement (RA)\ b. ARP requests and replies\ c. ICMPv6 redirect messages\ d. ICMPv6 Neighbor Solicitation (NS) and Neighbor Advertisement (NA)\ Answer: a 18.) What can be a result of excessive ARP broadcasts on a local network?\ a. Improved network performance\ b. Some reduction in performance\ c. Reduced network congestion\ d. No impact on network performance\ Answer: b 19.) In what scenario would a device use a gratuitous ARP?\ a. To send data to a remote device\ b. To inform the network of its IP-MAC mapping without being asked\ c. To request an IP address\ d. To resolve a MAC address\ Answer: b 20.) What is a potential security risk associated with ARP replies?\ a. ARP broadcasting\ b. ARP resolution\ c. ARP caching\ d. ARP spoofing\ Answer: d 21.) What is the purpose of ICMPv6 Router Solicitation (RS) and Router Advertisement (RA) messages?\ a. Device-to-device messaging\ b. Redirection services\ c. Router discovery\ d. Address resolution\ Answer: c 22.) What happens to ARP entries in the cache after a timeout period?\ a. They are sent to the logs\ b. They are permanently stored\ c. They are deleted from the cache\ d. They are updated automatically\ Answer: c 23.) What is a common security risk associated with ARP?\ a. ARP poisoning\ b. DHCP snooping\ c. IP spoofing\ d. MAC flooding\ Answer: a 24.) What is the primary function of ARP in a network?\ a. To assign IP addresses\ b. To route packets between networks\ c. To resolve an IPv4 address to a MAC address\ d. To monitor network traffic\ Answer: c 25.) What type of messages are used for device-to-device messaging in IPv6 Neighbor Discovery?\ a. ICMPv6 redirect messages\ b. ARP requests and replies\ c. ICMPv6 Neighbor Solicitation (NS) and Neighbor Advertisement (NA)\ d. ICMPv6 Router Solicitation (RS) and Router Advertisement (RA)\ Answer: c 26.) What is the role of the default gateway in the context of ARP?\ a. It resolves IP addresses for local devices\ b. It stores ARP entries\ c. It forwards packets between different networks\ d. It assigns IP addresses to devices\ Answer: c 27.) What happens when a device searches its ARP table for a destination IPv4 address?\ a. It sends an ARP request immediately\ b. It checks the ARP table for the IPv4 address and its corresponding MAC address\ c. It updates the ARP table automatically\ d. It assigns a new IP address to the device\ Answer: b 28.) When a device sends an ARP request, the request is sent as:\ a. Broadcast\ b. Anycast\ c. Unicast\ d. Multicast\ Answer: a 29.) What is the primary function of the IPv6 Neighbor Discovery (ND) protocol?\ a. All of the above\ b. Address resolution\ c. Redirection services\ d. Router discovery\ Answer: b 30.) Which command displays the ARP table on a Cisco router?\ a. show ip arp\ b. show ip interface\ c. show ip route\ d. show ip config\ Answer: a