A network administrator wants to improve the security of the management console on the
company's switches and ensure configuration changes made can be correlated to the
administrator who conformed them Which of the following should the network administrator
implement?

A.

Port security

B.

Local authentication

C.

TACACS+

D.

Access control list

An engineer is configuring redundant network links between switches. Which of
thefollowing should the engineer enable to prevent network stability issues?

A.

802.1Q

B.

STP

C.

Flow control

D.

CSMA/CD

Several WIFI users are reporting the inability to connect to the network. WLAN users on the
guest network are able to access all network resources without any performance issues.
The following table summarizes the findings after a site survey of the area in question:

Which of the following should a wireless technician do NEXT to troubleshoot this issue?

A.

Reconfigure the channels to reduce overlap

B.

Replace the omni antennas with directional antennas

C.

Update the SSIDs on all the APs

D.

Decrease power in AP 3 and AP 4

A technician is writing documentation regarding a company’s server farm. The technician
needs to confirm the server name for all Linux servers. Which of the following commands
should the technician run?

A.

ipconfig

B.

nslookup

C.

arp

D.

route

A client recently added 100 users who are using VMs. All users have since reported slow
or unresponsive desktops. Reports show minimal network congestion, zero packet loss,
and acceptable packet delay. Which of the following metrics will MOST accurately show the
underlying performance issues? (Choose two.)

A.

CPU usage

B.

Memory

C.

Temperature

D.

Bandwidth

E.

Latency

F.

Jitter

Which of the following is the LARGEST MTU for a standard Ethernet frame?

A.

1452

B.

1492

C.

1500

D.

2304

A technician is troubleshooting a network switch that seems to stop responding to requests
intermittently whenever the logging level is set for debugging. Which of the following
metrics should the technician check to begin troubleshooting the issue?

A.

Audit logs

B.

CPU utilization

C.

CRC errors

D.

Jitter

Which of the following security devices would be BEST to use to provide mechanical access control to the MDF/IDF?

A.

smart card

B.

A key fob

C.

An employee badge

D.

A door lock

A company built a new building at its headquarters location. The new building is connected
to the company’s LAN via fiber-optic cable. Multiple users in the new building are unable to
access the company’s intranet site via their web browser, but they are able to access
internet sites. Which of the following describes how the network administrator can resolve
this issue?

A.

Correct the DNS server entries in the DHCP scope

B.

Correct the external firewall gateway address

C.

Correct the NTP server settings on the clients

D.

Correct a TFTP Issue on the company’s server

Which of the following provides redundancy ona file server to ensure the server is still connected to a LAN even in the event of a port failure on a switch?

A.

NIC teaming

B.

Load balancer

C.

RAID array

D.

PDUs

An IDS was installed behind the edge firewall after a network was breached. The network was then breached again even though the IDS logged the attack. Which of the following should be used in place of these devices to prevent future attacks?

A.

A network tap

B.

A proxy server

C.

A UTM appliance

D.

A content filter

A corporation has a critical system that would cause unrecoverable damage to the brand if it was taken offline. Which of the following disaster recovery solutions should the corporation implement?

A.

Full backups

B.

Load balancing

C.

Hot site

D.

Snapshots