TCP/IP Layer 5, Application Layer Overview

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1.

Question 1

What is the primary function of DNS?

1 / 1 point

To assign domain names to new endpoints.

To filter out domains not authorized access to the local network.

To translate domain names to IP addresses and vice versa.

To convert MAC addresses to domain names and vice versa.

Correct

Correct, To translate domain names to IP addresses and vice versa.

2.

Question 2

How does a new endpoint know the address of the DHCP server?

0 / 1 point

The administrator must input the IP address of the DHCP server in the endpoint's network configuration.

The DHCP server is always located on the gateway.

The endpoint sends a DHCP Discover broadcast request to all endpoints on the local network.

The endpoint sends an inquiry to the gateway and the gateway responds with the address of the DHCP server.

Incorrect

Incorrect, you will need to review video 1 in this lesson again

3.

Question 3

Which Syslog layer contains the actual message contents?

1 / 1 point

Syslog Content

Syslog Transport

Syslog Message

Syslog Application

Correct

Correct, Syslog Content

4.

Question 4

True or False: Setting the correct Syslog Severity Level on systems helps keep the Syslog server from being flooded by the millions of messages that could be generated by these systems.

1 / 1 point

True

False

Correct

Correct, Setting the correct Syslog Severity Level on systems helps keep the Syslog server from being flooded by the millions of messages that could be generated by these systems.

5.

Question 5

True or False: The Syslog message typically includes the severity level, facility code, originator process ID, a time stamp, and the hostname or IP address of the originator device.

1 / 1 point

True

False

Correct

Correct, The Syslog message typically includes the severity level, facility code, originator process ID, a time stamp, and the hostname or IP address of the originator device.

6.

Question 6

Why is port mirroring used?

1 / 1 point

To provide an independent data stream for when two processes must operate on the same incoming data.

To provide a stream of all data entering or leaving a specific port for debugging or analysis work.

To make the network faster by providing two parallel ports through which data can flow.

To make the network more reliable by providing a redundant path for all traffic destined for a specific port.

Correct

Correct, To provide a stream of all data entering or leaving a specific port for debugging or analysis work.