N10-009 — questions

A network engineer is troubleshooting an issue with a VoIP network. After performing analysis, the engineer found that when users upload large files, voice quality is severely degraded. When no other traffic is on the network, voice quality is fine. Which of the following should the engineer do to most likely resolve the issue?

Which of the following disaster recovery metrics is used to describe the amount of data that is lost since the last backup?

A network administrator needs to improve network monitoring. Which of the following should the administrator do first?

A network administrator is troubleshooting issues with a DHCP server at a university. More students have recently arrived on campus, and the users are unable to obtain an IP address. Which of the following should the administrator do to address the issue?

Which of the following is designed to distribute network traffic among devices based on the quantity of traffic?

A user recently moved a workstation to a different part of the office. The user is able to access the internet and print but is unable to access server resources. Which of the following is the most likely cause of the issue?

A technician is planning an equipment installation into a rack in a data center that practices hot aisle/cold aisle ventilation. Which of the following directions should the equipment exhaust face when installed in the rack?

A network administrator needs to add 255 useable IP addresses to the network. A /24 is currently in use. Which of the following prefixes would fulfill this need?

Which of the following allows an organization to map multiple internal devices to a single external-facing IP address?

Which of the following steps in the troubleshooting methodology includes checking logs for recent changes?

Which of the following configurations exempts traffic to the internet from traversing a VPN?

Which of the following ports creates a secure connection to a directory service?

A network engineer configures a new switch and connects it to an existing switch for expansion and redundancy. Users immediately lose connectivity to the network. The network engineer notes the following spanning tree information from both switches. Which of the following best describes the issue?

A network administrator is implementing security zones for each department. Which of the following should the administrator use to accomplish this task?

Which of the following protocols is used to route traffic on the public internet?

Which of the following protocols provides remote access utilizing port 22?

After changes were made to a firewall, users are no longer able to access a web server. A network administrator wants to ensure that ports 80 and 443 on the web server are still accessible from the user IP space. Which of the following commands is best suited to perform this testing?

Which of the following attacks would most likely cause duplicate IP addresses in a network?

An organization wants better network visibility. The organization's requirements include: • Multivendor/OS-monitoring capabilities • Real-time collection • Data correlation Which of the following meets these requirements?

An administrator is evaluating the use of authentication within SNMP. Which of the following is the most secure way of authenticating devices using only SNMP?