Cisco,CCNA,CCNP,And,Security,E computer Cisco CCNA, CCNP, And Security Exam Practice Questions: OSPF
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Lets test your knowledge of the default-information originate command, Setup Mode, and VPNs with these Cisco certification exam practice questions! CCNA Certification:What's the main difference between the default-information originate command with and without the always option? Be specific.Answer: Let's use IOS Help to look at our options for this command.R1(config)#router ospf 1R1(config-router)#default-information originate ?always Always advertise default routemetric OSPF default metricmetric-type OSPF metric type for default routesroute-map Route-map referenceThe always option allows the router to propagate a default route without actually having one in its routing table. Without that option, the router must have a default route in its table in order to advertise one.CCENT Certification:You're using Setup Mode to configure a Cisco router. You decide halfway through that you'd rather write the configuration at the CLI. How can you exit Setup Mode and not save the configuration you're in the process of writing?Answer: Use the ctrl-c keystroke combination to exit Setup Mode without saving your configuration. You'll then be placed back at the command prompt.CCNA Security Certification / CCNP ISCW Exam:The SA state of your VPN is shown as QM_IDLE. Is this good? If not, what do we need to do to resolve the issue?Answer: There is no issue - that's what we want the SA state to be!CCNP Certification / BSCI Exam:What command allows you to add protocols to those forwarded by the ip helper-address command? And just to review, what protocols are forwarded by the helper-address command?Answer: Nine common UDP service broadcasts are "helped" by default:TIME, port 37TACACS, port 49DNS, port 53BOOTP/DHCP Server, port 67BOOTP/DHCP Client, port 68TFTP, port 69NetBIOS name service, port 137NetBIOS datagram service, port 138IEN-116 name service, port 42You can use the ip forward-protocol command to add any UDP port number to the list.To remove protocols from the default list, use the no ip forward-protocol command.R1(config)#ip forward-protocol udp 123R1(config)#no ip forward-protocol udp 137R1(config)#no ip forward-protocol udp 138CCNP Certification / BCMSN Exam:You've just enabled password encryption on a Cisco switch. When you attempt to view the VTP password, what will you see? And what command did you run to see the VTP password?Answer: You'll see the password clear as day - the password encryption service has no effect on the VTP password. You can view the password with the "top-secret" show vtp password command. We generally want our passwords to be a little more secure than that!CCNP / ONT Exam:What's the major difference between RED and WRED? (The answer "one letter" is not acceptable.)Answer: RED is a major improvement over Tail Drop, but it still doesn't give us a great deal of control over the entire queueing and dropping process. With one simple word, though, we do gain that control - when we use Weighted Random Early Detection (WRED).Look for other Cisco practice exams and illustrated tutorials on my website!
Cisco,CCNA,CCNP,And,Security,E