4A0-104 Online Practice Questions and Answers

On a Nokia 7750 SR, which of the following about a VPLS is FALSE?

A. By default, the VC ID on the mesh SDPs of a VPLS are set to the service ID.

B. A VPLS appears to the customer as a direct Ethernet connection.

C. Mesh SDPs are used for VPLSes to avoid loops.

D. By default, T-LDP is used for signaling service labels.

The SAP 1/1/1:2.3 receives an Ethernet frame with outer VLAN tag 2 and inner VLAN tag 5. Which of the following is TRUE?

A. The matching outer tag is removed, and the frame is forwarded.

B. The inner tag is removed, and the frame is forwarded.

C. The inner tag is changed to match the SAP, and the frame is forwarded.

D. The frame is dropped.

A CE is connected to an IES interface. Which of the following is TRUE?

A. The IES's interface must be an IGP peer with the CE.

B. The IES must use an IP address that is different than the CE.

C. The IES can only include one SAP for the CE.

D. The IES must include a network port.

In a Layer 2 VPN service, the FCS is stripped when a customer packet arrives at the ingress PE and regenerated on egress.

A. TRUE

B. FALSE

By default, what does a Nokia 7750 SR do to support VPLS services for different customers?

A. Dedicates a separate port for each customer.

B. Performs ARP look-ups for each service.

C. Maintains a different IP routing table for each service.

D. Maintains a different MAC Forwarding Database for each service.

Which of the following must be configured when configuring an E-pipe service? (Choose four.)

A. Configuring an E-pipe service with a customer ID

B. Defining a SAP or SAPs.

C. Binding to an SDP if it is a distributed service.

D. Enabling the service using the no shutdown command.

E. Creating and assigning an IP filter to the SAP.

F. Configuring QoS parameters

The terms "customer" and "service" are used synonymously when describing a service implementation on the Nokia 7750 SR.

A. TRUE

B. FALSE

On which of the following is it NOT possible to configure a MTU?

A. Network port

B. Access port

C. LSP

D. SDP

E. Service

Click on the exhibit button below.

Assuming the customer only needs to monitor traffic from PE3 to the customer site, what two items are missing in the configuration of PE5, the Nokia 7750 Service Router in the Head Office? (Assume that the IP/MPLS network structure between the local and remote PEs is in place.) (Choose two.)

A. The mirror destination configuration on PE5 is missing the "remote-source" command.

B. There needs to be a mirror source configuration on PE5 with the "remote-source" command.

C. This is not possible since the protocol analyzer is located at the Central Office. It needs to be at the customer site.

D. There needs to be a configuration command to put sap 1/1/3 on the mirror destination of PE5.

E. There needs to be a configuration command to put sap 1/1/3 on the mirror source of PE5

Which of the following describes a service on the Nokia 7750 SR?

A. A logical entity that provides a uniform, end-to-end configuration, management and billing model for provisioning either Internet or VPN connectivity.

B. Provides connectivity between customer access points.

C. A service that can either be local or distributed.

D. All of the above