4A0-C04 Online Practice Questions and Answers

Which of the following are similarities between OSPF and IS-IS? Choose two answers.

A. Metric is based on hop count.

B. Slow convergence after link failures.

C. Support hierarchy through the use of areas.

D. Support for CIDR.

E. Link state updates sent using layer 3 multicast.

What command will show the OSPF neighbors, and their status on the Nokia 7750 SR?

A. Show ospf neighbors

B. Show router ospf neighbors

C. Show router ospf adjacency

D. Show ospf adjacency

Which of the following statements regarding OSPF routing updates on a multi-access network segment is true?

A. In multi-access networks, a DR and BDR are elected only if there are more than two routers connected to the network segment.

B. In multi-access networks, a DR and BDR are elected only if the subnet masks on the router interfaces are less than /30

C. In multi-access networks, a DR and BDR are elected. To ensure resiliency, both the DR and BDR send link-state advertisements describing the network.

D. In multi-access networks, a DR and BDR are elected. The DR sends link-state advertisements describing the network.

On an Nokia 7750 SR, which vc-type will strip service delimiting tags at the ingress PE?

A. vc-type ether

B. vc-type vlan

C. vc-type dotlq

D. vc-type null

An E-pipe is configured with a service MTU of 5000. What is the minimum MTU value that should be set on an access port for a dot1q encapsulated SAP on this service?

A. 5000

B. 5004

C. 5008

D. 5014

Which of the following routes is NOT considered an internal route?

A. A route received from a BGP peer within the same AS.

B. A route originated by a router in a different cluster of the same AS.

C. A route received from a BGP peer from a different member AS of a confederation.

D. A route received from a BGP peer from the same member AS of a confederation.

Click the exhibit button.

The following command sequence is executed on router R2:

A:

R2# configure router ospf router-id 10.10.10.99

A:

R2# configure router router-id 10.10.10.66

On router R1, what router ID appears for router R2 directly after these commands are executed?

A.

10.10.10.99

B.

10.10.10.66

C.

10.10.10.2

D.

10.10.10.1

What must be configured on the Nokia 7750 SR for RIP to advertise locally attached links?

A. A policy statement within the router identifying what is to be advertised

B. Access-lists denoting what is to be advertised

C. Default metrics for each link

D. A group and neighbor statement for each peer

What Nokia 7750 SR OAM tool can be used to verify the end-to-end connectivity of a service?

A. Sdp-ping

B. Isp-ping

C. Svc-ping

D. Sdp-mtu

What labels are encapsulated in the tunnels used by a 6PE deployment?

A. The inner label is the IPv4 Explicit Null. The outer label is the MPLS transport label,

B. The inner label is an MPLS transport label. The outer label is the IPv4 Explicit Null.

C. The inner label is the IPv6 Explicit Null. The outer label is an MPLS transport label.

D. The inner label is an MPLS transport label. The outer label is the IPv6 Explicit Null.