David Is Trying to Fix a Connectivity Issue Between Two

question 151

Multiple Choice

David is trying to fix a connectivity issue between two routers that are directly connected through the serial line. The serial line is up, but he cannot see any neighbors displayed when he runs the show cdp neighbors command. Which of the following layers could be a part of this problem?

• A)Data link
• B)Physical
• C)Network layer
• D)Transport layer

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Definitions:

Animals

Multicellular, eukaryotic organisms of the kingdom Animalia that are capable of locomotion, responsive to their environment, and feed by consuming other organisms.

Androgen

A type of hormone that plays a role in male traits and reproductive activity; testosterone is the most well-known androgen.

Testosterone

A steroid hormone that plays a key role in the development of male reproductive tissues, as well as promoting secondary sexual characteristics such as increased muscle and bone mass, and the growth of body hair.

Estrogen

A group of steroid hormones that play an essential role in the development and regulation of the female reproductive system and secondary sex characteristics.