N10-009 exam

A network manager wants to implement a SIEM system to correlate system events. Which of the following protocols should the network manager verify?A . NTPB . DNSC . LDAPD . DHCPView AnswerAnswer: A Explanation: Role of NTP (Network Time Protocol): NTP is used to synchronize the clocks of network devices...

A network administrator needs to set up a multicast network for audio and video broadcasting. Which of the following networks would be the most appropriate for this application?A . 172.16.0.0/24B . 192.168.0.0/24C . 224.0.0.0/24D . 240.0.0.0/24View AnswerAnswer: C Explanation: Understanding Multicast: Multicast IP Address Range: The multicast address range is...

A network administrator wants users to be able to authenticate to the corporate network using a port-based authentication framework when accessing both wired and wireless devices. Which of the following is the best security feature to accomplish this task?A . 802.1XB . Access control listC . Port securityD . MAC...

A network administrator needs to set up a multicast network for audio and video broadcasting. Which of the following networks would be the most appropriate for this application?A . 172.16.0.0/24B . 192.168.0.0/24C . 224.0.0.0/24D . 240.0.0.0/24View AnswerAnswer: C Explanation: Understanding Multicast: Multicast IP Address Range: The multicast address range is...

A network engineer is now in charge of all SNMP management in the organization. The engineer must use a SNMP version that does not utilize plaintext data. Which of the following is the minimum version of SNMP that supports this requirement?A . v1B . v2cC . v2uD . v3View AnswerAnswer:...

Which of the following is used to estimate the average life span of a device?A . RTOB . RPOC . MTBFD . MTTRView AnswerAnswer: C Explanation: Understanding MTBF: Mean Time Between Failures (MTBF): A reliability metric that estimates the average time between successive failures of a device or system. Calculation...

A network administrator needs to set up a multicast network for audio and video broadcasting. Which of the following networks would be the most appropriate for this application?A . 172.16.0.0/24B . 192.168.0.0/24C . 224.0.0.0/24D . 240.0.0.0/24View AnswerAnswer: C Explanation: Understanding Multicast: Multicast IP Address Range: The multicast address range is...

A research facility is expecting to see an exponential increase in global network traffic in the near future. The offices are equipped with 2.5Gbps fiber connections from the ISP, but the facility is currently only utilizing 1Gbps connections. Which of the following would need to be configured in order to...

A network administrator needs to connect two routers in a point-to-point configuration and conserve IP space. Which of the following subnets should the administrator use?A . /24B . /26C . /28D . /30View AnswerAnswer: D Explanation: Using a /30 subnet mask is the most efficient way to conserve IP space...

A network technician is troubleshooting a web application's poor performance. The office has two internet links that share the traffic load. Which of the following tools should the technician use to determine which link is being used for the web application?A . netstatB . nslookupC . pingD . tracertView AnswerAnswer:...