N10-008 Practice Test

A network is experiencing a number of CRC errors during normal network communication.
At which of the following layers of the OSI model will the administrator MOST likely start to
troubleshoot?

A.

Layer 1

B.

Layer 2

C.

Layer 3

D.

Layer 4

E.

Layer 5

F.

Layer 6

G.

Layer 7

A technician receives feedback that some users are experiencing high amounts of jitter
while using the wireless network. While troubleshooting the network, the technician uses
the ping command with the IP address of the default gateway and verifies large variations
in latency. The technician thinks the issue may be interference from other networks and
non-802.11 devices. Which of the following tools should the technician use to troubleshoot
the issue?

A.

NetFlow analyzer

B.

Bandwidth analyzer

C.

Protocol analyzer

D.

Spectrum analyzer

A workstation is configured with the following network details:

Software on the workstation needs to send a query tothe local subnet broadcast address.
To which of the following addresses should the software be configured to send the query?

A.

10.1.2.0

B.

10.1.2.1

C.

10.1.2.23

D.

10.1.2.255

E.

10.1.2.31

A company that uses VoIP telephones is experiencing intermittent issues with one-way
audio and dropped conversations The manufacturer says the system will work if ping times
are less than 50ms. The company has recorded the following ping times:

Which of the following is MOST likely causing the issue?

A.

Attenuation

B.

Latency

C.

VLAN mismatch

D.

Jitter

A network administrator redesigned the positioning of the APs to create adjacent areas of
wireless coverage. After project validation, some users still report poor connectivity when
their devices maintain an association to a distanced AP. Which of the following should the
network administrator check FIRST?

A.

Validate the roaming settings on the APs and WLAN clients

B.

Verify that the AP antenna type is correct for the new layout

C.

Check to see if MU-MIMO was properly activated on the APs

D.

Deactivate the 2.4GHz band on the APS