CCNA 3 (Version 7.00) ENSA Practice Final Exam Questions and Answers

CCNA 3 (Version 7.00) ENSA Practice Final Exam Questions and Answers Which QoS mechanism allows delay-sensitive data, such as voice, to be sent first before packets in other queues are sent? - Ans:-LLQ Which QoS technique retains excess packets in a separate queue for later transmission? - Ans:- shaping What term describes adding a value to the packet header, as close to the source as possible, so that the packet matches a defined policy? - Ans:-traffic marking What is a characteristic of the distribution layer in the three layer hierarchical model? - Ans:-provides access to the rest of the network through switching, routing, and network access policies Which two methods help to prevent the disruption of network services? (Choose two.) - Ans:-- installing duplicate equipment to provide failover services - using redundant connections to provide alternate physical paths Which technology provides laptops the ability to function on a cellular network? - Ans:-mobile hotspot ©GRACEAMELIA 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER 2024 Page 2/10 Which two types of devices are specific to WAN environments and are not found on a LAN? (Choose two.) - Ans:-- broadband modem - CSU/DSU Which three traffic-related factors would influence selecting a particular WAN link type? (Choose three.) - Ans:-- amount of traffic - security needs = type of traffic Which type of NAT maps a single inside local address to a single inside global address? - Ans:-static Refer to the exhibit. What has to be done in order to complete the static NAT configuration on R1? - Ans:-Interface S0/0/0 should be configured with the command ip nat outside. Refer to the exhibit. R1 is configured for static NAT. What IP address will Internet hosts use to reach PC1? - Ans:-209.165.200.225 A network administrator is troubleshooting the dynamic NAT that is configured on router R2. Which command can the administrator use to see the total number of active NAT translations and the number of addresses that are allocated from the NAT pool? - Ans:-R2# show ip nat statistics ©GRACEAMELIA 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER 2024 Page 3/10 What is correct in relation to NAT for IPv6? - Ans:-It is a temporary mechanism to assist in the migration from IPv4 to IPv6. Which three statements are generally considered to be best practices in the placement of ACLs? (Choose three.) - Ans:-- Filter unwanted traffic before it travels onto a low-bandwidth link. - Place standard ACLs close to the destination IP address of the traffic.. - Place extended ACLs close to the source IP address of the traffic. Refer to the exhibit. The Gigabit interfaces on both routers have been configured with subinterface numbers that match the VLAN numbers connected to them. PCs on VLAN 10 should b