A technician was cleaning a storage closet and found a box of transceivers labeled 8Gbps. Which of the
following protocols uses those transceivers?


A. Coaxial over Ethernet
B. Internet Small Computer Systems Interface
C. Fibre Channel
D. Gigabit interface converter

An engineer needs to restrict the database servers that are in the same subnet from communicating with each
other. The database servers will still need to communicate with the application servers in a different subnet. In
some cases, the database servers will be clustered, and the servers will need to communicate with other
cluster members. Which of the following technologies will be BEST to use to implement this filtering without
creating rules?


A. Private VLANs
B. Access control lists
C. Firewalls
D. Control plane policing

A network administrator is setting up a new phone system and needs to define the location where VoIP phones
can download configuration files. Which of the following DHCP services can be used to accomplish this task?


A. Scope options
B. Exclusion ranges
C. Lease time
D. Relay

Switch 3 was recently added to an existing stack to extend connectivity to various parts of the network. After the update, new employees were not able to print to the main networked copiers from their workstations. Following are the port configurations for the switch stack in question:

Switch 1:

Switch 2:

Switch 3:

Which of the following should be configured to resolve the issue? (Choose two.)

A. Enable the printer ports on Switch 3.
B. Reconfigure the duplex settings on the printer ports on Switch 3.
C. Reconfigure the VLAN on all printer ports to VLAN 20.
D. Enable all ports that are shut down on the stack.
E. Reconfigure the VLAN on the printer ports on Switch 3.
F. Enable wireless APs on Switch 3.

Which of the following documents would be used to define uptime commitments from a provider, along with
details on measurement and enforcement?


A. NDA
B. SLA
C. MOU
D. AUP

A network engineer developed a plan of action to resolve an ongoing issue. Which of the following steps should
the engineer take NEXT?


A. Verify full system functionality and implement preventative measures.
B. Implement the solution to resolve the problem.
C. Document findings, actions, outcomes, and lessons learned.
D. Establish a theory of probable cause.

A new global ISP needs to connect from central offices in North America to the United Kingdom. Which of the
following would be the BEST cabling solution for this project?


A. Single-mode
B. Coaxial
C. Cat 6a
D. Twinaxial

An ISP is unable to provide services to a user in a remote area through cable and DSL. Which of the following
is the NEXT best solution to provide services without adding external infrastructure?


A. Fiber
B. Leased line
C. Satellite
D. Metro optical

A help desk technician is concerned that a client's network cable issues may be causing intermittent
connectivity. Which of the following would help the technician determine if this is the issue?


A. Run the show interface command on the switch.
B. Run the traceroute command on the server.
C. Run iperf on the technician's desktop.
D. Ping the client's computer from the router.
E. Run a port scanner on the client's IP address.

A company is utilizing multifactor authentication for data center access. Which of the following is the MOST
effective security mechanism against physical intrusions due to stolen credentials?


A. Biometrics security hardware
B. Access card readers
C. Access control vestibule
D. Motion detection cameras