Which of the following procedures are involved in the recommended three-step troubleshootingflow？（Choose the best three answers.）（）

A. Problem report
B. Problem collaboration
C. Problem diagnosis
D. Problem resolution
E. Problem documentation
F. Probiem authenticatio

The PassGuide network consists of a series of routers that are all configured for IBGP. Which one of the following IBGP characteristics is true（）

A. The IBGP routers must always be fully meshed.
B. The IBGP routers can be in a different A
C. The IBGP routers must be directly connected.
D. TThe IBGP routers do not need to be directly connected.
E. None of the other alternatives apply are true

PassGuide has a BGP network and a BGP route of 197.22.129.0/24 that should be propagated to all of the devices. The route is currently not in any of the routing tables. The PassGuide administrator determines that an access list is the cause of the problem. The administrator changes the access list to allow this route, but the route still doesnot appear in any of the routing tables. What should be done to propagate this route（）

A. Use the service-policy command to adjust the QOS policy to allow the route to propagate.
B. Clear the BGP session.
C. Use the release BGP routing command.
D. Change both the inbound and outbound policy related to this route.
E. None of the other alternatives apply

Two Cisco routers are connected to each other and are enabled CDP. Serial line is up，protocol is also up but cdp neighbor not working. What layer of the OSI model does the problem most likely exist？

Which of the following are not true OSPF LSA rules？（）

A. OSPF LSA type 5 triggers an LSA type 7 at an ABR between an NSSA and the backbone area
B. OSPF LSA type 1 triggers an LSA type 3 at an AB
C. OSPF LSA type 7 triggers an LSA type 5 at an ABR between an NSSA and the backbone area
D. OSPF LSA type 3 triggers an LSA type 4 at an AB
E. OSPF LSA type 5 triggers an LSA type 7 at an A5BR but only in N5SAs
F. OSFP LSA type 2 triggers an LSA type 3 at an ABR

A new router is added to an existing HSRP standby group. One of the existing routers is in anactive state， the other is in a standby state. Under what circumstance will the new router becomethe active router？（）

A. The new router will become active immediately because it’s the newest router introduced intothe group
B. The new router can become active only when the existing active router and the existing standbyrouter become unavailable
C. The new router has a lower priority value
D. The new router will never become active unless the existing active router becomes unavailable
E. The new router has preempt configured and a higher priority
F. The new router has a higher priority value

Which of the following best describes the following command： ip flow-export destination192.168.1.50 1500？（）

A. it is not a valid NetFlow command
B. it is an SNMP command that exports 1500-byte packets to IP address 192.168.1.50
C. it is a NetFlov/ command that v/ill export 1500-byte packets to IP address 192.168.1.50
D. it is a NetFlov/ command that allows IP address 192.168.1.50 to send traffic to port 1500
E. It is a NetFlov/ command that v/ill specify that the NetFlov/ collector’s IP address is192.168.1.50 over UDP port 1500
F. It is an SNMP command that exports flows to destination address 1Q2.168.1.50 for packets upto an MTU of 1500

Which of the following is not considered a common approach to narrow the field of potentialproblem causes？ （Choose the best answer.）（）

A. Following the traffic path
B. Top-down
Comparing configurations
D. Bottom-up
E. Divide and conquer
F. Examine SLA

When you execute the "ip helper-address" command on a router， which three UDP ports getenabled automatically by default？（）

A. 53（DNS）
B. 69（TFTP）
C. 515（LPR）
D. 161（SNMP）
E. 49（TACACS）

Which of the following are shared distribution tree characteristics（）

A. Memory requirements are higher for shared distribution tree than for source distributiontree.
B. Creates a tree from a central RP to all last-hoprouters.
C. Uses a rendezvous point.
D. An optimal path is created between each source router and each last-hoprouter.
E. Place（S，G）entry in each router’smulticast routing table.
F. Place（*，G）entry in a router’smulticast routing to table.