CCNP / CCDP Routing (Building Scalable Cisco Networks)/ BSCI (Building Scalable Cisco Internetworks) Exam 
OSPF Practice Questions 

Exam Code 642-801 (BSCN/BSCI)

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Q3. The OSPF path cost in Cisco routers is calculated using which parameters?

        A.  Bandwidth, Number of Hops

        B.   Bandwidth only

        C.   Ticks

        D.   Bandwidth, MTU, Reliability, Delay, and Load.

Ans: B

Explanation:  

The path cost in OSPF network is calculated using bandwidth. The formula used is [10⁸ / Bandwidth]. For example, the cost of a 56kbps serial link is 1785. The default cost of a 10mbps Ethernet is 10. Higher the bandwidth lower will be the path cost.

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