A Network Administrator Uses GRE Over IPSec to Connect Two

question 90

Multiple Choice

A network administrator uses GRE over IPSec to connect two branches together via VPN tunnel. Which one of the following is the reason for using GRE over IPSec?

• A) GRE over IPSec provides better QoS mechanism and is faster than other WAN technologies
• B) GRE over IPSec decreases the overhead of the header.
• C) GRE supports use of routing protocol, while IPSec supports encryption.
• D) GRE supports encryption, while IPSec supports use of routing protocol.

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Definitions:

Population Mean

The total sum of all the values in a population divided by the number of values in that population, serving as a measure of central tendency.

Point Estimate

A single value given as an estimate of a population parameter derived from a sample.

Simple Random Samples

A subset of individuals chosen from a larger set such that every individual has an equal chance of being selected.

Random Samples

Samples chosen from a larger set or population where each individual or event has an equal chance of being selected.