PT 1: 3 of 3

Which of the following network infrastructure implementations would be used to connect two remote sales machines back to the main campus for all of their data and voice network traffic?

• ​Crossover cable

• Single mode fiber

• Satellite

• ​MPLS

Which of the following threats can policies, procedures, and end-user training help to effectively mitigate?

• Zero-day attacks

• Attempted DDoS attacks

• Man-in-the-middle attacks

• ​Social engineering attempts

Your company has just gotten a new OC-12 installed to support your server room. You connect the OC-12 to your network, but you are noticing a large amount of dropped packets and errors. You suspect this may be a layer 1 issue. Which of the following should you attempt FIRST to identify the source of the issue?

• ​Determine if any devices may be causing EMI on the cable

• Use a pinout tester to validate the cable's integrity

• ​Use an OTDR to validate the cable's integrity

• ​Use a multimeter to validate the cable's integrity

You are working as a network administrator and are worried about the possibility of an insider threat. You want to enable a security feature that would remember the Layer 2 address that is first connected to a particular switch port in order to prevent someone from unplugging a workstation from the switch port and connecting their own laptop to that same switch port. Which of the following security features would BEST accomplish this goal?

• NAC

• Sticky MAC

• 802.1x

• ACL

This morning, you have received multiple calls from users reporting that they cannot access websites from their work computers. You decide to troubleshoot the issue by opening up your command prompt on your Windows machine and running a program to determine where the network connectivity outage is occurring. Which tool should you use to determine if the issue is on the intranet portion of your corporate network or if the issue is occurring due to a problem with your ISP?

• netstat

• nslookup

• ping

• tracert

What happens when convergence on a routed network occurs?

• ​All routers are using hop count as the metric

• All routers have the same routing table

• ​All routers learn the route to all connected networks

• ​All routers use route summarization

The accounting department has been relocated to a new area of the building which is more than 70 meters away from the closest IDF. In order to comply with a SLA which requires that 10Gb speeds be provided, what type of media should be installed?

• CAT6a

• CAT5e

• 802.11n

• 802.11ac

A network administrator receives a call asking for assistance with connecting to the network. The person on the phone asks for the IP address, subnet mask, and VLAN required to access the network. What type of attack might this be?

• Social engineering

• Spoofing

• Zero-day attack

• VLAN hopping

What would be used in an IP-based video conferencing deployment?

• RS-232

• 56k modem

• Bluetooth

• Codec

A network administrator is assigned an approved change request with a change window of 120 minutes. After 90 minutes, the change is stuck on step five of a five-step change. The network manager decides to initiate a rollback. Which describes what the network administrator should do next?

• Return the system to step four since this was the last working step

• Request additional time since the change is near completion

• ​Leave the change as is and inform users of a workaround

• ​Return the system back to the original state before the change