N10-009 — questions

A network administrator installs a node that requires a media converter to connect Ethernet to fiber but sees no link light on the node. The administrator notices the following: • Both terminating points are properly seated. • Both the fiber and Ethernet cables have been successfully tested. • The media converter is turned on. • The switchport is configured as half duplex. Which of the following is the reason the link light is not on?

A network administrator needs to divide a Class B network into four equal subnets, each with a host range of 1,000 hosts. Which of the following subnet masks should the administrator use?

A customer calls the help desk to report that resources are no longer reachable. The resources were available before network changes were made. The technician verifies the report, investigates, and discovers that a new logical layout is segmenting the network using tagging. Which of the following appliances most likely needs to be reviewed to restore the connections?

A technician is plugging an Ethernet cable into a switch to bring a new device online, but the device is not showing an active network connection. Previously, another technician turned off unused switchports as part of device hardening. Which of the following describes the port status?

After a recent building renovation, the number of tickets regarding network slowness during lunch breaks increases. A cable from the server room is traced to the break room, which has high levels of known interference. Which of the following types of network cables should be used to address this issue while keeping costs low?

A network administrator receives a ticket from a user. The user reports that they cannot access any websites and that they have already checked everything on their computer. Which of the following is the first action the administrator should take?

A network technician is adding a security camera with an enhancer to a network closet in an organization's office building that has six APs. When plugged in, the camera does not respond. Given the following information: • Switch: 24 ports, 124W PoE capable, maximum 16W per port • AP: 12W PoE • Camera: 14W • Enhancer: 4W Which of the following is the most likely reason the camera is not working?

Some newly installed wireless APs are not broadcasting. Which of the following is the most likely cause of the issue?

Which of the following allows for the fastest recovery during a catastrophic event?

Users report that they cannot print to a specific IPv4-enabled printer after an extended power outage. Which of the following should a technician configure?

A company implements a new network utilizing only IPv6 addressing and needs to connect to the internet. Which of the following must be enabled in order for the internal network to contact servers on the internet?

Which of the following is used to redistribute traffic between one source and multiple servers that run the same service?

A systems administrator is configuring a new domain server in the network. Which of the following ports should the administrator open in the firewall to allow secure LDAP communications between the domain and the desktops?

Which of the following is a reason to decide on the approach when troubleshooting an incident?

A systems administrator is hardening IoT devices. Threat modeling suggests that the devices are most likely to be targeted by low-level attackers. Which of the following is the highest priority task?

A network engineer configures a new DHCP scope with 100 usable IP addresses but wants to reserve the first ten addresses to configure statically on the printers. Which of the following DHCP parameters is the best way to accomplish this task?

Which of the following OSI model layers is responsible for assigning an IP address to a host?

Which of the following recovery strategies should a company implement to ensure data center services are quickly restored and accessible after a disaster occurs?

A network administrator needs to limit devices that can connect to a small wireless network. The network consists of less than ten unique laptops, and no network changes are anticipated. Which of the following is the simplest way to accomplish this task?

A network administrator notices unusual traffic patterns on the network and suspects malicious activity. The administrator identifies the source IP. Along with running arp, which of the following commands should the administrator use to locate the source device on the network?