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Q57. Click on the exhibit Given the diagram shown, and the following information: 

. Configured on CSA1 and the two MLS routers is redundant ePtpe 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) Which statement correctly describes traffic flow after a failure on the Active MC-LAG member? 

A. CSA1 forwards traffic through spoke SDP 2:10 to MLS2, which forwards it from endpoint SPOKE to endpoint SAP and out LAG 2 

B. CSA1 forwards traffic through spoke SDP 2 10 to MLS2, which forwards it to endpoint SAP and through ICB spoke SDP 3:100 to MLS1 

C. CSA1 forwards traffic through spoke SDP 1:10toMLSl, which forward sit to end point SAP and through ICB spoke SDP3:10toMLS2 

D. CSA1 forwards traffic through spoke SDP 1:10 to MLS1, which forwards it to endpoint SPOKE and through ICB spoke SDP 3:100 to MLS2 

Answer: A 


Q58. Given the topology and the Multiprotocol Label Switching (MPLS) Label Switch Path (LSP) and path configurations shown: You wish to protect the LSP POC3-1_POC3-2 with a manual bypass tunnel. Which statement correctly describes the manual bypass tunnel configuration requirement for the ring topology shown? 

A. All nodes must have manual bypass enabled in the MPLS context 

B. All nodes must have fast reroute facility enabled in the MPLS context. 

C. The bypass tunnel first hop must avoid the protected LSP's tail end router 

D. Each node must have a bypass-only tunnel configured to terminate on POC3-2 

Answer: C 


Q59. Click on the exhibit. 

Given the configuration shown: 

Which statement correctly describes the port configuration shown? 

A. All 32 timeslots belong to the channel group 

B. The port is configured for loop timing 

C. The port can host more than one channel group 

D. The channel group is configured for access mode 

Answer: D 


Q60. Given the show command result shown and the following information: 

. The local Provider Edge (PE) ePipe 300 service uses redundant pseudowires spoke- terminated into Internet Enhanced Service (IES) interfaces on two separate remote PE routers. 

. Changes made to the service configuration must not affect the operation of other services. 

What change can you make to the interconnected services to correct the spoke SDP 

Egress Label status highlighted? 

A. Enable standby-signalling-master in the ePipe primary spoke SDP binding 

B. Adjust the local PE SDP 1 and 2 SDP path Maximum Transmission Unit (MTUs) to match the IES service MTU 

C. Adjust the remote PE IES spoke interface IP-MTUs to match the ePipe service Virtual Circuit (VC)-MTU 

D. Configure one of the ePipe 300  spoke SDP bindings as endpoint precedence primary 

Answer: C 


Q61. Which SAP port and identifier format is correct for use in an aPipe service configured for N=1 cell mode operation? 

A. 1/1/7:2.1 

B. 1/2/1:100/200 

C. 1/2/2.1 

D. 1/1/10:200 

Answer: B 


Q62. Which statement describes a Synchronous Ethernet (SyncE) capability as defined by ITU-T recommendations? 

A. Synchronous Ethernet conveys clock quality information in the Ethernet frame preamble B. Synchronous Ethernet slave nodes peer with a pre-defined master node 

C. Synchronous Ethernet provides frequency, time of day, and phase synchronization references 

D. Synchronous Ethernet uses the Ethernet frame preamble to deliver a synchronization bit stream 

Answer: D 


Q63. Which statement correctly describes the Model 1 hub and spoke architecture Long Term Evolution (LTE) service model shown? 

A. The blue Internet Enhanced Service (IES) SAP interfaces include static Media Access Control (MAC) address entries for the eNodeBs 

B. The red Virtual Private LAN Service (VPLS) provides the Layer 2 transport to support blue IES Virtual Routing and Redundancy Protocol (VRRP) sessions 

C. The green IES spoke SDP interfaces include static MAC address entries for the eNodeBs 

D. The blue IES interfaces forward traffic to external networks and the mobile core 

Answer: B 


Q64. 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