Module 13 – Exam 1. What are some of the more common Layer 1 (Physical Layer) issues that affect the DSL service? Select three answers. PPP Negotiation Failures The DSL Operating Mode Cabling and Interface Configuration Issues Circuit Provisioning and Local Loop Technologies ATM PVC Misconfigurations Question 1 of 14 2. What command would you use to troubleshoot suspected authentication issues when using DSL? Select the best answer. The debug aaa authentication command The debug ppp authentication command The debug ppp events command The debug ppp negotiation command The debug ppp packet command Question 2 of 14 3. What Cisco IOS command can be used to determine the PVC assigned by the DSL service provider? Select the best answer. The show atm pvc command The debug atm events command The show interfaces atm command The debug dialer events command The debug atm interface command Question 3 of 14 4. Click on the Exhibit. The configuration in the Exhibit is complete and will allow the specified interesting traffic to be encrypted. False True Question 4 of 14 5. You are troubleshooting a VPN connectivity issue and observe the following log messages: %TUN-5-RECURDOWN: Tunnel0 temporarily disabled due to recursive routing %TUN-5-RECURDOWN: Tunnel1 temporarily disabled due to recursive routing %TUN-5-RECURDOWN: Tunnel2 temporarily disabled due to recursive routing What can be done to resolve this? Select three answers. Using a different Autonomous System number or tag Using a different routing protocol Enabling IPsec over the tunnels Disabling IP routing on the router Using static routes to override the first hop Disabling Cisco Device Protocol on all interfaces Question 5 of 14 6. Click on the Exhibit. The configuration in the Exhibit is the recommended configuration when implementing PPPoE. True False Question 6 of 14 7. What Diffie Hellman groups are supported in Cisco IOS software? Select three answers. 4 1 2 5 3 Question 7 of 14 8. Click on the Exhibit. Which of the following commands produced this output? Select the best answer. The show crypto iskamp detail command The show crypto session detail command The show crypto iskamp policy command The show crypto session command None of these options are applicable The show crypto ipsec detail command Question 8 of 14 9. When troubleshooting MTU issues related to PPPoE, what is the recommended setting for theTransmission Control Protocol MSS value? Select the best answer. 1492 None of the options are valid 1452 1500 1508 Question 9 of 14 10. What MTU value is specified under the dialer interface when configuring PPPoA? Select the best answer. 1492 None of the options are applicable 1452 1508 1504 Question 10 of 14 11. Click on the Exhibit. What can be determined from the output in the Exhibit? Select three answers. A static default route is configured The FastEthernet 0/0 interface is in an up/up state The ip address assigned to the router is 10.0.0.2 None of the options provided are applicable The default gateway received via DHCP is 10.0.0.1 Question 11 of 14 12. What methods can be used to connect Cisco IOS devices to the DSL network? Select three answers. PPP over Ethernet Multiprotocol Encapsulation over PPP Service Selection Gateway Bridged ATM Encapsulation Routed Bridged Encapsulation Question 12 of 14 13. Which of the following is used by IPsec for key exchange? Select the best answer. SHA IKE ESP 3DES AH Question 13 of 14 14. You are troubleshooting a DSL issue and notice that you are receiving a PROTREJ from the service provider. What does this mean? Select the best answer. This indicates that there is a Layer 2 protocol mismatch This means that your dialer interface has not been configured for PPP encapsulation This means that different versions of PPP are being used This indicates that you are using an unsupported protocol This indicates that the service provider is using an unsupported protocol Question 14 of 14 Loading…
