4A0-104 Online Practice Questions and Answers

Which of the following about IES is FALSE?

A. An IES provides a Layer 3 interface to a customer.

B. A virtual routing/forwarding table is created per IES service.

C. An IES supports QoS.

D. An IES interface's IP address, if bound to a port, will appear in the routing table.

Which of the following statements about the E-pipe service is FALSE?

A. The service has a VC ID of 44.

B. The service's data is encapsulated using GRE.

C. The service is a distributed service.

D. The service's port is using dot1q encapsulation.

Which of the following statements is FALSE regarding 6VPE?

A. 6VPE is a tunneling technology that makes use of MPLS tunnels to transport IPv6 information over an IPv4 MPLS infrastructure.

B. Customers connected to 6VPE could run native IPv6 or IPv4.

C. On the PE router, the next hop for a VPN IPv6 address is an IPv6 address, regardless of the nature of the network between the PEs.

D. 6VPE requires an IPv6-aware MPLS core.

E. Both C and D are false.

F. All of the above statements are true.

Which of the following statements best describes the main difference between an I-pipe and an E-pipe interworking?

A. An I-pipe is a point-to-point Layer 2 VPN capable of only carrying Ethernet payloads. An E-pipe interworking refers to the transportation of ATM/FR traffic over an E-pipe.

B. An I-pipe is used for performing Ethernet interworking with ATM/FR/PPP using bridged-PDUs. An E-pipe interworking is used for performing Ethernet interworking with ATM/FR/PPP using routed-PDUs.

C. An I-pipe is used for performing Ethernet interworking with ATM/FR/PPP using routed-PDUs. An E-pipe interworking is used for performing Ethernet interworking with ATM/FR/PPP using bridged-PDUs.

D. None of the above.

Consider a network that has four PE routers. If a customer wants a VPLS that has sites on only three of the PEs, how many mesh SDPs need to be configured for this service?

A. 3

B. 4

C. 6

D. 12

On the Nokia 7750 SR, which of the following statements about MP-BGP used for a VPRN is TRUE?

A. Routes from different customers with the same IPv4 address prefix are treated as equivalent by MPBGP.

B. MP-BGP will advertise routes to other BGP sessions on the same PE without the need of policies.

C. The multi-protocol nature of MP-BGP allows VPRN routes to be converted into IPv4 routes in the provider core network.

D. MP-BGP is an enhanced version of BGP that can carry customer route prefixes for multiple VPRNs.

A customer requests that their Layer 2 Ethernet service be configured to forward frames up to 9000 bytes. The service provider is using MPLS encapsulation. What is the minimum MTU setting for the network ports?

A. 9000

B. 9004

C. 9008

D. 9022

E. 9036

What happens when a packet without a VLAN tag is received on a SAP provisioned with null encapsulation while an SDP vc-type is provisioned as vlan?

A. The frame is dropped.

B. The service ID is added as the VLAN tag.

C. A VLAN tag of 0 is added as the provider VLAN tag

D. The frame is forwarded with no VLAN tag

In a VPLS service, the mesh-sdp vc-id is identical to the service id by default.

A. TRUE

B. FALSE

E-pipe services do no consume any MAC resources because MAC learning is disabled.

A. TRUE

B. FALSE