Which of the following network design elements allows for many internal devices to share one public IP address?
A. DNAT
B. PAT
C. DNS
D. DMZ
CompTIA exam questions
Which of the following network design elements allows for many internal devices to share one public IP address?
A. DNAT
B. PAT
C. DNS
D. DMZ
A network technician is asked to redesign an Ethernet network before new monitoring software is added to each host on the network. The new software will broadcast statistics from each host to a monitoring host for each of the five departments in the company. The added network traffic is a concern of management that must be addressed. Which of the following solutions should the technician design into the new network?
A. Place each department in a separate VLAN
B. Add a router and create a segment for all the monitoring host stations
C. Increase the number of switches on the network to reduce broadcasts
D. Increase the collision domain to compensate for the added broadcasts
A technician is connecting a router directly to a PC using the G1/0/1 interface. Without the use of auto-sensing ports, which of the following cables should be used?
A. Straight-through
B. Console
C. Rollover
D. Crossover
A network technician receives a call from a use who is experiencing network connectivity issues. The network technician questions the user and learns the user brought in a personal wired router to use multiple computers and connect to the network. Which of the following has the user MOST likely introduced to the network?
A. Rogue DHCP server
B. Evil twin
C. VLAN mismatch
D. Honeypot
Client PCs are unable to receive addressing information from a newly configured interface on a router. Which of the following should be added to allow the clients to connect?
A. DHCP lease me
B. IP helper
C. TTL
D. DNS record type
The network install is failing redundancy testing at the MDF. The traffic being transported is a mixture of multicast and unicast signals. Which of the following would BEST handle the rerouting caused by the disruption of service?
A. Layer 3 switch
B. Proxy server
C. Layer 2 switch
D. Smart hub
Which of the following helps prevent routing loops?
A. Routing table
B. Default gateway
C. Route summarization
D. Split horizon
A company that was previously running on a wired network is performing office-wide upgrades. A department with older desktop PC’s that do not have wireless capabilities must be migrated to the new network, ensuring that all computers are operating on a single network. Assuming CAT5e cables are available, which of the following network devices should a network technician use to connect all the devices to the wireless network?
A. Wireless bridge
B. VPN concentrator
C. Default WAP
D. Wireless router
A network technician notices the site-to-site VPN and Internet connection have not come back up at a branch office after a recent power outage. Which of the following is an out-of-band method the technician would MOST likely utilize to check the branch office’s router status?
A. Use a modem to console into the router
B. Walk a user through troubleshooting the connection
C. Travel to the branch office
D. Hire a contractor to go on-site
A client reports that half of the marketing department is unable to access network resources. The technician determines that the switch has failed and needs to replace it. Which of the following would be the MOST helpful in regaining connectivity?
A. VLAN configuration
B. Network diagram
C. Configuration backup
D. Router image