Which of the following should be configured so users can authenticate to a wireless network using company credentials?
Answer(s): D
A network engineer performed a migration to a new mail server. The engineer changed the MX record, verified the change was accurate, and confirmed the new mail server was reachable via the IP address in the A record. However, users are not receiving email.Which of the following should the engineer have done to prevent the issue from occurring?
Answer(s): B
https://perfectmail.com/kb/changing_dns_records
Which of the following should a network administrator configure when adding OT devices to an organization's architecture?
https://www.mckinsey.com/capabilities/risk-and-resilience/our-insights/cybersecurity/how-to- enhance-the-cybersecurity-of-operational-technology-environments
To reduce costs and increase mobility, a Chief Technology Officer (CTO) wants to adopt cloud services for the organization and its affiliates. To reduce the impact for users, the CTO wants key services to run from the on- site data center and enterprise services to run in the cloud.Which of the following deployment models is the best choice for the organization?
https://www.cloudwards.net/cloud-deployment-models/
Which of the following is used to describe the average duration of an outage for a specific service?
MTTR refers to the average time it takes to repair a system or restore service after an outage. It describes how long it typically takes to recover from a failure and resume normal operations.
A network engineer is setting up a new VoIP network for a customer. The current network is segmented only for computers and servers. No additional switch ports can be used in the new network.Which of the following does the engineer need to do to configure the network correctly? (Choose two.)
Answer(s): B,D
802.1Q is the standard for VLAN tagging in Ethernet frames, which allows for the use of multiple VLANs on a single switch port. Enabling 802.1Q is necessary to segment voice traffic and data traffic on the same physical infrastructure.Setting up voice VLANs helps prioritize voice traffic over data traffic to ensure better Quality of Service (QoS) for VoIP communications. This creates a separate VLAN specifically for voice, improving performance and reducing interference from data traffic.
A network rack has four servers and four switches with dual power supplies. Only one intelligent PDU is installed in the rack.Which of the following is the reason to add a second PDU?
Answer(s): A
Adding a second Power Distribution Unit (PDU) provides power redundancy, ensuring that if one PDU or power source fails, the other can continue supplying power to critical devices like servers and switches. This is important for maintaining uptime and preventing service outages in case of power issues.
Which of the following allows a user to connect to an isolated device on a stand-alone network?
A jump box (or jump server) is a secure device that allows a user to access and connect to an isolated network or device that is otherwise inaccessible. It serves as an intermediary between the user and the isolated device, ensuring security and control when managing or troubleshooting devices in a stand-alone or restricted network.
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Question 129:Correct answer: CNAME
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