NO.60 After the A record of a public website was updated, some visitors were unable to access the website. Which of the following should be adjusted to address the issue?

NO.61 A voice engineer is troubleshooting a phone issue. When a call is placed, the caller hears echoes of the receiver’s voice. Which of the following are the causes of this issue? (Choose two.)

NO.62 A network switch was installed to provide connectivity to cameras monitoring wildlife in a remote location. The organization is concerned that intruders could potentially leverage unattended equipment in the remote location to connect rogue devices and gain access to the organization’s resources. Which of the following techniques would BEST address the concern?

NO.63 At the destination host, which of the following OSI model layers will discard a segment with a bad checksum in the UDP header?

NO.64 Which of the following protocols will a security appliance that is correlating network events from multiple devices MOST likely rely on to receive event messages?

NO.65 Which of the following cable types would MOST likely be used to provide high-speed network connectivity between nearby buildings?

NO.66 Which of the following policies should be referenced when a user wants to access work email on a personal cell phone?

NO.67 Which of the following is MOST commonly used to address CVEs on network equipment and/or operating systems?

NO.68 A technician is installing a new fiber connection to a network device in a datacenter. The connection from the device to the switch also traverses a patch panel connection. The chain of connections is in the following order:
Device
LC/LC patch cable
Patch panel
Cross-connect fiber cable
Patch panel
LC/LC patch cable
Switch
The connection is not working. The technician has changed both patch cables with known working patch cables. The device had been tested and was working properly before being installed. Which of the following is the MOST likely cause of the issue?

NO.69 Which of the following technologies allows traffic to be sent through two different ISPs to increase performance?

NO.70 A rogue AP was found plugged in and providing Internet access to employees in the break room. Which of the following would be BEST to use to stop this from happening without physically removing the WAP?

NO.71 A lab environment hosts Internet-facing web servers and other experimental machines, which technicians use for various tasks A technician installs software on one of the web servers to allow communication to the company’s file server, but it is unable to connect to it Other machines in the building are able to retrieve files from the file server. Which of the following is the MOST likely reason the web server cannot retrieve the files, and what should be done to resolve the problem?

NO.72 Which of the following would be used to expedite MX record updates to authoritative NSs?

NO.73 A SaaS provider has decided to leave an unpatched VM available via a public DMZ port. With which of the following concepts is this technique MOST closely associated?

NO.74 A technician is configuring a network switch to be used in a publicly accessible location. Which of the following should the technician configure on the switch to prevent unintended connections?

NO.75 Which of the following is MOST likely to generate significant East-West traffic in a datacenter?

NO.76 Access to a datacenter should be individually recorded by a card reader even when multiple employees enter the facility at the same time. Which of the following allows the enforcement of this policy?

NO.77 A network administrator is required to ensure that auditors have read-only access to the system logs, while systems administrators have read and write access to the system logs, and operators have no access to the system logs. The network administrator has configured security groups for each of these functional categories. Which of the following security capabilities will allow the network administrator to maintain these permissions with the LEAST administrative effort?

NO.78 Wireless users are reporting intermittent internet connectivity. Connectivity is restored when the users disconnect and reconnect, utilizing the web authentication process each time. The network administrator can see the devices connected to the APs at all times. Which of the following steps will MOST likely determine the cause of the issue?

NO.79 Which of the following BEST describes hosting several businesses on the same physical infrastructure?

NO.80 A network is experiencing a number of CRC errors during normal network communication. At which of the following layers of the OSI model will the administrator MOST likely start to troubleshoot?

NO.81 A network administrator decided to use SLAAC in an extensive IPv6 deployment to alleviate IP address management. The devices were properly connected into the LAN but autoconfiguration of the IP address did not occur as expected. Which of the following should the network administrator verify?

NO.82 Which of the following would MOST likely be used to review previous upgrades to a system?

NO.83 A network administrator is troubleshooting the communication between two Layer 2 switches that are reporting a very high runt count. After trying multiple ports on both switches, the issue persists. Which of the following should the network administrator perform to resolve the issue?

NO.84 A branch of a company recently switched to a new ISP. The network engineer was given a new IP range to assign. The ISP assigned 196.26.4.0/26, and the branch gateway router now has the following configurations on the interface that peers to the ISP:

The network engineer observes that all users have lost Internet connectivity. Which of the following describes the issue?