What is the purpose of a pointer (PTR) DNS record?

Your company wants to use the private Class B network 172.17.0.0/20. You have been asked to divide it into six subnets. Two subnets should have 512 nodes, and the remaining four should have 256 nodes. The design should leave some room for growth in each subnet. What is the correct way to subnet this network?

Which of the following restrictions or requirements for a privileged user agreement does NOT adhere to best practices by clearly delineating the role and responsibility of those who manage computers, systems, networks, or accounts and other information resources?

Your company has decided to implement unified communication. You have been asked to implement a VoIP network. You need to connect the VoIP network to your company’s. What should you implement?

You have been hired as a consultant for the medium-sized business. As part of your duties, you need to make recommendations on changes to the network. You decide that you want to install agents on the network devices to monitor network traffic and record the behavior of network components. You will then use the statistical data that is gathered to make your recommendations. Which standard should you deploy?

Your company's IT department needs to provide field sales representatives with the ability to upload and download files from company servers while they are away from the office. They will be communicating over public Internet connections at coffee shops, hotels, truck stops, and other public facilities. All inbound connections to the company network already require use of a secure VPN based on the OpenVPN protocol. You want to allow secure file transfer with minimal firewall management overhead. Which protocol should you use?

Which one of these requires a user complete an action, such as digitally signing an AUP, prior to accessing the network?

For your current deployment, you need an antenna with 360 degrees radiation in the horizontal plane to use for point-to-multipoint WLAN deployment. Which type of antenna should you deploy?

During a recent troubleshooting incident, you discovered a problem with some network transmission media. The communication over the media was distorted. Which issue most likely caused this problem?

A branch office is assigned the 192.168.103.0/24 IP address range. You must configure separate subnets with the minimum number of IP addresses. The Administrative department requires 4 hosts. Which CIDR notation should be used for the Administrative subnet?

A branch office is assigned the 192.168.103.0/24 IP address range. You must configure separate subnets with the minimum number of IP addresses. The Sales department requires 54 hosts. Which CIDR notation should be used for the Sales subnet?

A branch office is assigned the 192.168.103.0/24 IP address range. You must configure separate subnets with the minimum number of IP addresses. The Research department requires 12 hosts. Which CIDR notation should be used for the Research subnet?

A branch office is assigned the 192.168.103.0/24 IP address range. After allocating subnets for the departments, which CIDR notation should be used for the remainder of the network?

You configured a redundant server with a static IP address, and it has been offline for some time. When it is powered on to perform tests, what unexpected consequence might occur?

You support multiple wireless networks and must ensure the protocols used offer the appropriate level of security. Which description correctly matches WEP?

You support multiple wireless networks and must ensure the protocols used offer the appropriate level of security. Which description correctly matches WPA/WPA2 Personal?

You support multiple wireless networks and must ensure the protocols used offer the appropriate level of security. Which description correctly matches WPA/WPA2 Enterprise?

Which well-known port is used to forward e-mail on the Internet between e-mail servers?

You install a network analyzer to capture your network's traffic as part of your company's security policy. Later, you examine the captured packets and discover that the only packets that were captured are from Subnet 1. You need to capture packets from all four subnets on your network. Two routers are used on your network. What could you do? Choose two. Each answer is a complete solution.

You must decide the type of identification and authentication that will be used on a new company's network. You must obtain approval on the authentication type from management. What is the most common form of identification and authentication?

Management has decided to renovate a portion of the office. You have been asked to relocate several computers and other network devices in the renovation area to another part of the building. After relocating the computers and devices, you document the new location. What is the term used to describe the actions you took?

A user reports that a legacy system is no longer responding. After researching, a technician reports that the system has been flooded with ICMP packets larger than 65,535 bytes. This is most likely the result of which type of attack?

Exhibit A: Identify the tool shown in Exhibit A from the image of networking tools labeled Exhibits A–G.

Exhibit B: Identify the tool shown in Exhibit B from the image of networking tools labeled Exhibits A–G.

Exhibit C: Identify the tool shown in Exhibit C from the image of networking tools labeled Exhibits A–G.

Exhibit D: Identify the tool shown in Exhibit D from the image of networking tools labeled Exhibits A–G.

Exhibit E: Identify the tool shown in Exhibit E from the image of networking tools labeled Exhibits A–G.

Exhibit F: Identify the tool shown in Exhibit F from the image of networking tools labeled Exhibits A–G.

Exhibit G: Identify the tool shown in Exhibit G from the image of networking tools labeled Exhibits A–G.

You are the network administrator for a manufacturing company. Technicians that work on computers used on the manufacturing floor may come into contact with dangerous chemicals. You need to understand which chemicals they will come into contact with and their associated safety issues. What should you consult?

You are a network administrator for a Windows Server 2012 domain. Recently, you have noticed network performance issues when Microsoft operating systems and applications release new service packs or updates. All server and client computers are configured to automatically download and install any updates. You need to deploy a solution that will reduce the network performance issues when these updates are released. What should you do?

You administer a network for your company. You determine that there is a network connectivity problem on one of the computers on the network. You re-create the problem and determine that the problem is in the NIC. You establish a theory of probable cause. Which step should you take next to troubleshoot the problem?

Which of the following is a security implication if your company uses a public cloud deployment?

You need to solve a traffic problem occurring on a large Ethernet network. Within this large segment, the accounting department is flooding the network with a high volume of data, which causes the entire network to slow down. Which device is a quick and low-cost solution to isolating the accounting department?

You have been given a drawing that shows the flow of network communication with symbols to indicate equipment function. Which type of configuration management documentation have you been given?

In your fiber network, some users are reporting connectivity issues, while others are not. You suspect a faulty or broken cable. Which tool would help you locate the fault?

You are documenting the network layout for your company. You have discovered a firewall that has two network interfaces. Which firewall architecture have you discovered?

Which of the following devices can be used to segment a network and reduce broadcast traffic between departments?

What is the primary benefit of using a centralized update server, such as WSUS, in a corporate environment?

Which protocol provides secure file transfer over SSH and is recommended for use over untrusted networks?

Which wireless security protocol requires users to authenticate with unique credentials through a central server?

You need to create a subnet for a department that requires 30 usable IP addresses. Which CIDR notation provides the smallest subnet that meets this requirement?

Which tool is best suited for identifying the exact location of a break in a fiber optic cable?

Which device would you use to connect two different network segments and filter traffic based on MAC addresses?

What type of network diagram would you consult to understand how data flows between devices and the logical relationships in a network?

Which tool is most appropriate for testing the continuity and wiring of Ethernet cables?

Which protocol is commonly used to monitor and manage network devices such as routers and switches?

What is the main purpose of a captive portal in a wireless network environment?

Which type of antenna would be best suited for a point-to-point wireless link between two buildings?