Refer to the Exhibit

question 8

Multiple Choice

Refer to the exhibit. R1 is connected to two service providers and is under a DDoS attack. Which statement about this design is true if URPF in strict mode is configured on both interfaces?

• A) R1 drops all traffic that ingresses either interface that has a FIB entry that exits a different interface.
• B) R1 drops destination addresses that are routed to a null interface on the router.
• C) R1 permits asymmetric routing as long as the AS-PATH attribute entry matches the connected AS.
• D) R1 accepts source addresses on interface gigabitethernet0/1 that are private addresses.

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Definitions:

Rapid Erosion

The quick removal of soil and rock from the Earth's surface by natural processes like flowing water or wind.

Cliff

A steep face of rock and soil, often formed by erosional processes along coastlines, riverbanks, or in mountainous regions.

Delta

A nearly flat tract of land formed by deposition of sediment at the mouth of a river or stream.

Seafloor

Oceanic bedrock covered by marine sediments, featuring underwater landforms such as valleys, volcanoes, and ridges.