What is the purpose of Area 0 (backbone area) in multiarea OSPF?

To provide a default route for all other areas

To reduce the number of LSAs in the network

To isolate external routes from the rest of the OSPF domain

To interconnect all other areas and carry inter-area traffic

A service provider is bringing up a new OSPF adjacency between two PE routers connected over a point-to-point Ethernet link. The link is up, but the routers remain stuck in the ExStart state. The network engineer verifies that both routers are in the same area and have matching Hello and Dead timers. What is the most likely cause of this issue?

Incorrect network type configured

Which OSPF parameter mismatch prevents two routers from even becoming neighbors?

Different cost on the interface

What is the purpose of an OSPF virtual link?

To connect two routers on the same broadcast segment

To connect two backbone areas together

To connect a non-backbone area to the backbone area through another area

To provide a backup path for external routes

CiscoCertified Network Professional Service Provider

Domain 2Objective 2

2.2 Implement OSPF (v2 and V3) 350-501 Practice Questions (Page 6)

Part of the Networking domain, which accounts for 30% of the 350-501 exam. Cisco does not publish an official question count, but from its 120-minute exam (~50–80 total, ~15–24 in this domain), expect 2–3 from this objective — we provide 31 practice questions to prepare you well beyond it. (estimate)

31questions here

7free pages

13concepts

30%of the exam

13 Concepts in This Objective

OSPF neighbor adjacency states
OSPF neighbor discovery and hello protocol
OSPF adjacency requirements
OSPF neighbor relationship types
OSPF route advertisement process
OSPF LSA types
OSPF flooding and synchronization
OSPF multiarea design
OSPF route types in multiarea
OSPF area addressing and summarization
OSPF virtual links
OSPF metric calculation
OSPF metric types for external routes

Questions 26–30

26foundation · easy
What is the purpose of Area 0 (backbone area) in multiarea OSPF?
Select an answer first
27application · medium
A service provider is bringing up a new OSPF adjacency between two PE routers connected over a point-to-point Ethernet link. The link is up, but the routers remain stuck in the ExStart state. The network engineer verifies that both routers are in the same area and have matching Hello and Dead timers. What is the most likely cause of this issue?
Select an answer first
28foundation · easy
Which OSPF parameter mismatch prevents two routers from even becoming neighbors?
Select an answer first
29foundation · easy
What is the purpose of an OSPF virtual link?
Select an answer first
30foundation · easy
In the OSPF neighbor state machine, which state immediately follows the 2-Way state on a broadcast multiaccess network when a full adjacency is to be formed?
Select an answer first

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2.2 Implement OSPF (v2 and V3) 350-501 Practice Questions (Page 6)

Questions 26–30

What is the purpose of Area 0 (backbone area) in multiarea OSPF?

Which OSPF parameter mismatch prevents two routers from even becoming neighbors?

What is the purpose of an OSPF virtual link?

In the OSPF neighbor state machine, which state immediately follows the 2-Way state on a broadcast multiaccess network when a full adjacency is to be formed?

Keep studying — Networking