47-56 NETWORK+

NO.47 According to troubleshooting methodology, which of the following should the technician do NEXT after determining the most likely probable cause of an issue?

• (A). Establish a plan of action to resolve the issue and identify potential effects

• (B). Verify full system functionality and, if applicable, implement preventive measures

• (C). Implement the solution or escalate as necessary

• (D). Test the theory to determine the cause

NO.48 A network technician is investigating an issue with a desktop that is not connecting to the network. The desktop was connecting successfully the previous day, and no changes were made to the environment. The technician locates the switchport where the device is connected and observes the LED status light on the switchport is not lit even though the desktop is turned on Other devices that arc plugged into the switch are connecting to the network successfully Which of the following is MOST likely the cause of the desktop not connecting?

• (A). Transceiver mismatch

• (B). VLAN mismatch

• (C). Port security

• (D). Damaged cable

• (E). Duplex mismatch

NO.49 A network administrator would like to purchase a device that provides access ports to endpoints and has the ability to route between networks. Which of the following would be BEST for the administrator to purchase?

• (A). An IPS

• (B). A Layer 3 switch

• (C). A router

• (D). A wireless LAN controller

 

NO.50 A company with multiple routers would like to implement an HA network gateway with the least amount of downtime possible. This solution should not require changes on the gateway setting of the network clients. Which of the following should a technician configure?

• (A). Automate a continuous backup and restore process of the systems state of the active gateway.

   

• (B). Use a static assignment of the gateway IP address pd Gework clients.

• (C). Configure DHCP relay and allow Cents to feceive a new IP setting.

• (D). Configure a shared VIP and deploy VRRP on the routers.

NO.51 Which of the following compromises internet-connected devices and makes them vulnerable to becoming part of a botnet? (Select TWO).

• (A). Deauthentication attack

• (B). Malware infection

• (C). IP spoofing

• (D). Firmware corruption

• (E). Use of default credentials

NO.52 A customer wants to segregate the traffic between guests on a hypervisor. Which of the following does a technician need to configure to meet the requirement?

• (A). Virtual switches

• (B). OSPF routing

• (C). Load balancers

• (D). NIC teaming

• (E). Fibre Channel

NO.53 An employee working in a warehouse facility is experiencing interruptions in mobile applications while walking around the facility. According to a recent site survey, the WLAN comprises autonomous APs that are directly connected to the internet, providing adequate signal coverage. Which of the following is the BEST solution to improve network stability?

• (A). Implement client roaming using an extended service deployment employing a wireless controller.

• (B). Remove omnidirectional antennas and adopt a directional bridge.

• (C). Ensure all APs of the warehouse support MIMO and Wi-Fi 4.

• (D). Verify that the level of EIRP power settings is set to the maximum permitted by regulations.

NO.54 Which of the following is the physical topology for an Ethernet LAN?

• (A). Bus

• (B). Ring

• (C). Mesh

• (D). Star

NO.55 An employee reports to a network administrator that internet access is not working. Which of the following should the administrator do FIRST?

• (A). Establish a theory of probable cause.

• (B). Identify symptoms

• (C). Determine if anything has changed.

• (D). Ask the user to restart the computer.

NO.56 A network administrator walks into a datacenter and notices an unknown person is following closely. The administrator stops and directs the person to the security desk. Which of the following attacks did the network administrator prevent?

• (A). Evil twin

• (B). Tailgating

• (C). Piggybacking

• (D). Shoulder surfing