Free 4A0-101 Exam braindumps download (4A0-101 exam dumps Free)

When are virtual links used in OSPF?

When two areas need to communicate and there is no area 0.
When an area needs to traverse another area to reach area 0.
When two areas are connected to area 0, but there is no direct path between them.
When an area needs to connect directly to another area without using area 0.

Answer(s): B

What are the similarities between OSPF and IS-IS? Choose two.

Answer(s): A,D

Which of the following statements regarding area border routers in an OSPF network is true?

The term backbone router has the same definition as the term area border router.
An OSPF network needs at least one area border router to function.
Area border routers connect the backbone area to other areas in an OSPF network.
By definition, an area border router must perform route summarization between areas.

Answer(s): C

Exhibit

The following IS-IS packets have been exchanged between 2 adjacent IS-IS routers. What type of adjacency will be formed?

Answer(s): D

Which of the following correctly lists the 5 OSPF packet types?

Hello, link state update, link state packet, link State acknowledgement, database description.
Link state update, link state refresh, link state acknowledgement, database description, notification.
Hello, link state refresh, link state update, link state acknowledgement, link state authentication.
Hello, link state update, link state request, link state acknowledgement, database description.

Answer(s): D

Free 4A0-101 Exam Braindumps 4A0-101 Alcatel-Lucent Interior Routing Protocols and High Availability Questions 28–30 (page: 16)