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Q11. Click on the exhibit. 

Given the configuration shown, and the following conditions: 

. The 7705 Service Access Router (SAR) is a PTP master on domain 1 

. It is configured for the ITU-T G.8265.1 profile 

. ref1 is an Extended Superframe (ESF) DS1 and is qualified 

. The DS1 source indicates in its SSM messages that it is synchronized to a Stratum 1 clock 

. ref2 is a SyncE port and is qualified 

Which Quality Level will the 7705 SAR master announce to its slave routers? 

A. QL-DUS 

B. QL-EEC2 

C. QL-STU 

D. QL-PRS 

Answer: D 


Q12. Click on the exhibit Given the diagram shown, and the following information: 

. Configured on CSA1 is a redundant ePipe service 

. A Multichassis-Link Aggregation Group (MC-LAG) protects the CE access links 

. The preferred spoke SDP has failed After the failure, which status will the MLS2 router signal to CSA 1 on its return spoke SDP 2:1? 

A. Pseudowire forwarding, 0x00 

B. Remote pseudowire active, remote SAP is down, 0x06 

C. Pseudowire forwarding standby,0x20 

D. Remote pseudowirein standby, remote SAP is down,0x26 

Answer: D 


Q13. Given the topology shown: 

The nodes on ring 3 are Ethernet connected via Point-to-Point links. No external timing sources are available. Which two timing techniques can be used to delivery frequency timing over these Ethernet links? (Choose two.) 

A. IEEE 1588v2/Precision Time Protocol (PTP) 

B. Time Division Multiplexing (TDM) line timing 

C. Synchronous Ethernet (SyncE) 

D. Global Positioning System (GPS) 

E. Adaptive Clock Recovery (ACR) 

Answer: A, C 


Q14. Given the diagram shown: Which  statement  correctly  describes  the control  plane behavior of the Switching Provider Edge (S- PE) router in support of the switched ePipel service? 

A. The S-PE signals service labels as soon as its service is administratively enabled 

B. The S-PE repeats the service labels it receives from the downstream T-PE to the upstream T- PE 

C. The S-PE must wait for a T-PE to signal a status change before sending a change on its local pseudowires 

D. The S-PE repeats pseudowire status notification messages received from one T-PE to the other 

Answer: D 


Q15. Given the diagram shown, and the following information: 

. Configured on CSA1 and the two MLS routers is redundant ePipe 10 

. Interchassis Backup Pseudowires (ICB-PW) provide a path of last resort to the Customer Edge (CE) Service Access Points (SAPs) 

. A Multichassis Link Aggregation Group (MC-LAG) protects the CE access ports 

. Assume normal status on all ePipe 10 spoke Service Distribution Points (SDPs) If the active LAG member fails, which three statements correctly describe the resulting status of the MLS2 ePipe 10 endpoint objects? (Choose three) 

A. Spoke SDP 1:10 active 

B. Spoke SDP 1:10 standby 

C. Spoke SDP 3:10 active 

D. Spoke SDP 3:10 standby 

E. Spoke SDP 3:100 active 

F. Spoke SDP 3:100 standby 

Answer: A, D, F 


Up to the minute 4A0-M01 free exam:

Q16. Click on the exhibit. 

On the OC-3 port, each provisioned channel group contains all available timeslots The command result illustrates which OC-3 port characteristic? 

A. On STS1-1,the second VT1.5 in the second VTG is set for IPCP encapsulation 

B. On STS1-1,the second DS1 channel group in the second VTG isoperationallyup 

C. On STS1-1, the second E1 channel group in the second TUG-2 is operationally up 

D. On STS1-1, the second VT2 in the second TUG-2 is set for IPCP encapsulation 

Answer: C 


Q17. Click on the exhibit 

Given the configuration shown: 

Which statement correctly describes the aPipe service configuration shown? 

A. The aPipe provides ATM cell mode vc-type atm-vcc service 

B. The aPipe can carry traffic for multiple ATM virtual circuits 

C. The service will keep traffic on the secondary  pseudowire  after a failure and recovery 

D. Cell concatenation is enabled on the SAP 

Answer: A 


Q18. Which statement describes a 3rd Generation Partnership Project (3GPP) provided service? 

A. It sets standards for CDMA voice and data communications techniques 

B. It develops the specifications for current LTE network designs and enhancements 

C. It maintains RFCs for Internet applications, protocols, and network management techniques 

D. It sets recommendations for telecom network operations and design 

Answer: B 


Q19. Given the configurations shown and the following information: 

. Multilayer Switch (MLS) 1 and 2 host duplicate Virtual Private Routed Network (VPRN) services. 

. Configured on the interfaces L3_VLAN402 is Virtual Router ID (VRID) 1 Your customer states that if the master interface fails and recovers, they want traffic to remain on the VRID backup interface. What must you change in the configuration shown to keep the VRID from moving traffic back to the master? 

A. set a revert time value of infinity 

B. configure no preempt in the VRID 

C. set both interface priorities to the default 

D. set MLS1 interface L3_VLAN402 to priority 255 

Answer: B 


Q20. Which statement correctly describes TDM port configuration for use with Inverse Multiplexing over ATM (IMA) bundles? 

A. The member circuits must be loop timed 

B. ATM encapsulation uses all available timeslots 

C. The port mode must be changed to access 

D. The ports must be channelized DS1s 

Answer: B