4A0-110 Online Practice Questions and Answers

Two routers are physically connected to each other over Ethernet port 1/1/1. Review the configuration information shown below. What state should the OSPF neighbor be in?

A. INIT

B. EXCHANGE

C. EXSTART

D. FULL

E. No OSPF neighbor

Two routers are physically connected running ISIS. ISIS L2 adjacency is up and running but L1 adjacency is not up. Review the configuration information shown below: Which of the following statement best describe the cause of the problem? Select one answer only.

A. The ISIS interface level is not configured on both routers

B. The ISIS interface type should be configured as point-to-point interfaces

C. ISIS System IDs are not configured on both routers

D. ISIS Area addresses are not configured on both routers

E. ISIS level capacity are not configured on both routers

Two routers are physically connected to each other with ISIS configured. No ISIS adjacency can be found on both routers. Ping works fine on the local and the remote interface addresses on both routers. Review the confguration information shown below. Which of the following statements best describe the cause of the problem? Select one answer only.

A. The ISIS interface level configured does not match the ISIS level capability supported on the routers

B. The ISIS authentication check is enabled but there is no authentication type and password configured

C. ISIS Area addresses are not configured on both routers

D. L1 wide Metrics are disabled on the routers

E. ISIS Circuit id does not match on Node-1 and Node-2

Two direct connected routers are running RIPv2, neighbors are up but there is no route in the RIP database. Review the configuration information below. What is the potential problem?

A. System interface is not added to the RIP protocol

B. No import policy is configured

C. No export policy is configured

D. Split-horizon has to be disabled in RIP

E. Message-size has to be configured with a non-zero value

What MPLS tunnel label(s) will be used in the data packet traveling on LSP toR4 FRR leaving from Node 3 to Node 4?

A. 131069 131068

B. 131068 3

C. 131069

D. 131068

E. No label is used in the data packet

Due to same VPLS mis-configuration, traffic (e.g.ping) is not work between PC1 and PC 2. Choose the best explanation for the problem.

A. MTU is not configured on all sdp

B. SDP id has to match on all three nodes

C. STP has to be enabled on all three nodes

D. No SAP is configured on Node-2

E. Spoke-sdp has to be used on all three nodes

Node 1 and Node 2 are directly connected running LDP. The system ip address of Node 2 is 10.10.10.1.2. Based on the following display, why is the sdp down?

A. Local SDP id does not match with the remote sdp id.

B. Far End IP address is not reachable.

C. Keepalive has to be enable on the SDP.

D. LDP is not enable on the remote node's interface.

E. Targeted LDP session is disabled on the remote node.

The mesh-sdp binding for a VPLS configured on Node 1 is down with an error serviceMTUMismatch. One sap is configured in the VPLS and it is up with default mtu 1514. The LDP binding display on Node 1 shows that there is a mismatch on the MTU value. What are the required configurations on Node 1 to bring the VPLS up?

A. Set the sap port mtu to 9176

B. Set the service-mtu to 9176

C. Set the service-mtu to 9190

D. Set the sap port mtu to 9190

E. Set the service-mtu to 1514

Which command is used to view alarms of all severity levels on the Alcatel 7x50?

A. Show log log-id 99

B. Show alarm

C. Show log filter-id 1

D. Show log log-id 100

E. Show log 99

Which files have to exist on Compact Flash 3 during system initialization on the Alcatel 7x50?

A. iom.tim

B. boot.ldr

C. cpm.tim

D. config.cfg

E. bof.cfg

Which command should be used to enable automatic synchronization for all software images and configuration on the Alcatel 7x50?

A. Admin redundancy synchronization boot-env

B. Admin redundancy synchronization config

C. Configure redundancy synchronize boot-env

D. Configure redundancy synchronize config

E. It is enabled by default

A policy is configured to redistribute four active static routes into ISIS. No ISIS route is received on the far end, what is the cause of the problem?

A. Action accept?has to be configured for entry 10

B. Default-action has to be configured as accept

C. Import policy should be configured under ISIS instead of export policy

D. Within entry 10, to protocol isis has to be configured

E. A prefix list has to be configured to filter the routes

Node 1 receives some VPRN routes from Node 2, but Node 2 is not receiveing any VPRN routes from Node 1. Routes in VPRN 400 route table are found on Node 1 as follows: Based on the configuration below, why is Node 2 not receiving BGP VPN routes from Node 1?

A. VRF import and export policies defined on Node 1 do not match with vrf-target defined on Node 2

B. Prefix-list exportVPRN100 is applied on Node 1 but not on Node 2

C. More than one import route targets are defined on Node 1 and only one defined on Node 2

D. VRF target has to be defined on Node 1 as well

E. Community target:65535:101 is not defined on Node 1

VPRN 300 is configured on Node 4. BGP is being used as the PE-CE routing protocol. Node 2 is the CE router. The BGP session is not established between Node 4 and Node 2. What is missing in the configuration?

A. Type external has to be configured on Node 2 under group vrf

B. Autonomous-system has to be configured on Node 4 under vprn 300

C. Router-id has to be configured on Node 4 under vprn 300

D. Router-id has to be added under BGP on Node 2

E. EBGP will not work under VPRN

VPRN 300 is configured on Node 3 and Node 4 with LDP and MP-BGP. No route can be found in the VPRN 300 routing table on both Nodes. What is the cause of the problem?

A. No static route configured on Node 4

B. No LDP defined in the VPRN configuration on both nodes

C. VRF-target does not match on Node 3 and Node 4

D. Route-distinguisher configuration is missing on Node 3 and Node 4

E. Encapsulation type on the SAP does not match on Node 3 and Node 4