Your company has two office buildings which are connected via copper network cable that is buried underground. There is some construction being performed near the buildings. Now, the second building discovers they have suffered a network outage that doesn't appear to be temporary. What is the MOST likely cause of the outage?

Mark is setting up a DHCP server on a segment of the corporate LAN. Which of the following options is NOT required in the DHCP scope in order to allow hosts on that LAN segment to be assigned a dynamic IP addresses and to still be able to access the Internet and internal company servers?

A technician added memory to a router, but that memory is never recognized by the router. The router is then powered down, and the technician relocates all of the memory to different modules. On startup, the router does not boot and displays memory errors. Which of the following is the MOST likely cause of this issue?

A company owns four kiosks that are in close proximity within a shopping center. The owner is concerned about someone accessing the Internet via the kiosk's wireless network. What should be implemented to provide wireless access only to the employees working at the kiosk?

What is the correct CIDR notation for the Sales department's subnet which requires 55 devices?

What type of cable would you use to connect a computer to a switch?

What does this mean: PING: 13.... DOWNLOAD 99.79...UPLOAD 116.61?

A technician has installed an 802.11n network and most users are able to see speeds of up to 300Mbps. There are few users who have an 802.11n network card but are unable to get speeds higher than 108Mbps. What should the technician do to fix the issue?

A malicious user is blocking mobile devices from connecting to the Internet when other people are in the coffee shop. What is the malicious user implementing?

Which of the following provides origin authenticity through source authentication, data integrity through hash functions, and confidentiality through encryption protection for IP packets?

Routing prefixes, which are assigned in blocks by IANA and distributed by the Regional Internet Registry (RIR), are known as what?

Which of the following BEST describes how a DHCP reservation works?

Which of the following is used to proxy client requests for IP configurations across different network segments?

A technician installs a new WAP and users in the area begin to report poor performance. The technician uses a ping and only 3 of the 5 packets respond. When the technician tests the connection from a wired connection, it responds with 5 of 5 packets. What tool should the network technician use next?

A network technician is connecting three temporary office trailers with a point-to-multipoint microwave radio solution in a wooded area. The microwave radios are up and the network technician can ping devices in all office trailers, however, connectivity is sporadic. What is the cause of this issue?

You are troubleshooting the network connectivity between a remote server and your workstation. Which of the following tools should you use to determine the connection path between your workstation and the remote server?

In what type of attack does the potential intruder trick a user into providing sensitive information?

Which of the following network protocols is used to send email from one server to another server?

A network administrator is tasked with building a wireless network in a new building located right next door. The wireless clients should not have visibility to one another but should have visibility to the wired users. Users must seamlessly migrate between the buildings while maintaining a constant connection to the LAN. How should he configure the new wireless network in the new building?

At which of the following OSI layer does QoS operate?

You are trying to connect to a router using SSH to check its configuration. Your attempts to connect to the device over SSH keep failing. You ask another technician to verify that SSH is properly configured, enabled on the router, and is allowing access from all subnets. She attempts to connect to the router over SSH from her workstation and confirms all the settings are correct. Which of the following steps might you have missed in setting up your SSH client that is preventing you from connecting to the router?

Your network relies on the use of ATM cells. At which layer of the OSI model do ATM cells operate?

A technician is concerned about security and is asked to set up a network management protocol. Which network management protocol will provide the best security?

The UPS that provides backup power to your server is malfunction because its internal battery has died. To replace the battery, you must shutdown the server, unplug it from the UPS, and unplug the UPS from its power source (the wall outlet). You perform these actions but think that there has to be a better way to increase the availability of the server in the future. Which of the following recommendations would BEST increase the availability of the server based on your experience with the UPS battery replacement?