A network administrator is configuring Neighbor Discovery Protocol in an IPv6 network to ensure an attacker
cannot spoof link-layer addresses of network devices. Which of the following should the administrator
implement?


A. MAC filtering
B. Router Advertisement Guard
C. Port security
D. DNSSEC

An application team is deploying a new application. The application team would like the network team to
monitor network performance and create alerts if fluctuations in the round-trip time occur for that traffic. Which
of the following should the network team monitor to meet this requirement?


A. Bandwidth
B. Latency
C. Loss
D. Cyclic redundancy check

An ISP configured an internet connection to provide 20Mbps, but actual data rates are occurring at 10Mbps and
causing a significant delay in data transmission. Which of the following specifications should the ISP check?


A. Throughput
B. Latency
C. Bandwidth
D. Jitter

An IT technician is working on a support ticket regarding an unreachable website. The technician has utilized
the ping command to the website, but the site is still unreachable. Which of the following tools should the
technician use NEXT?


A. ipconfig
B. tracert
C. arp
D. netstat

A technician is investigating a misconfiguration on a Layer 3 switch. When the technician logs in and runs a command, the following data is shown:

Which of the following commands generated this output?

A. show route
B. show config
C. show interface
D. tcpdump
E. netstat -s

Which of the following redundant devices creates broadcast storms when connected together on a high-
availability network?


A. Switches
B. Routers
C. Access points
D. Servers

Which of the following devices would be used to extend the range of a wireless network?


A. A repeater
B. A media converter
C. A router
D. A switch

A network technician needs to select an AP that will support at least 1.3Gbps and 5GHz only. Which of the
following wireless standards must the AP support to meet the requirements?


A. B
B. AC
C. AX
D. N
E. G

A customer calls the help desk to report that a Windows PC is unable to open any websites or access any
server shares. The help desk technician suspects there is an issue with the configuration. Which of the
following commands should the technician issue FIRST to troubleshoot the issue?


A. tracert
B. netstat
C. arp
D. ipconfig
E. nmap

Which of the following can be used to decrease latency during periods of high utilization of a firewall?


A. Hot site
B. Content inspection
C. HA pair
D. VRRP