Module 15

Question 1

During your investigation of a device that has lost its connectivity to your wireless network, you discover the adapter has been assigned an IP address of 169.254.50.80. What does this indicate about the status of your network or the device?

Answer 1

There is a problem with the DHCP server (Dynamic Host Configuration Protocol)

Question 2

If every user connected to your network is reporting very slow speeds and poor connectivity, which step should you attempt first to resolve the problem?

Answer 2

Reboot the router

Question 3

Which value represents the threshold for an acceptable level of network jitter?

Answer 3

Below 30 ms

Question 4

Which utility can be used to help locate or troubleshoot the cause of an IP conflict in a networked environment?

Answer 4

Ping

Question 5

Which feature, or service can be used to allocate more network bandwidth to Voice over IP applications?

Answer 5

Quality of Service (QoS)

Question 6

What level of frequency and duration indicates that port flapping is happening on a networking device?

Answer 6

Three times a second, for at least ten seconds

Question 7

Which latency value indicates the amount of time it takes before a server receives a request from a client device?

Answer 7

TTFB (Time to First Byte)

Question 8

If your wireless network is experiencing interference from another wireless in close proximity, which option is most likely to reduce the level of interference?

Answer 8

Changing the transmission channel or frequency of your router