A network administrator has just been notified about the loss of Internet connectivity. Another technician had just performed non-scheduled maintenance and mentioned that some cabling may have been moved. Which of the following MOST likely caused the loss of Internet connectivity?
A. Broadcast storm
B. TX/RX cables reversed
C. Mismatched MTU
D. Incorrect routing table
A user informs the network administrator of increasingly common wireless connection problems. The administrator determines the user has recently received a new cordless phone. The phone is MOST likely causing which of the following conditions?
A. Signal strength latency
B. Bouncing signal
C. Interference
D. Crosstalk
A technician has determined that calls placed over a wireless connection are breaking up and the speaker's voices are delayed. This is making conversation difficult. This is a symptom of which of the following network issues?
A. Latency
B. Bad GBIC
C. Bad SFP
D. SSID mismatch
A technician wants to configure multiple switches to support all of the corporate VLANs.
Which of the following will allow configuration of the switches and have the information propagate automatically to the other switches?
A. FTP server
B. VTP server
C. Virtual PBX
D. NTP server
A new technician has moved the wireless access point from the middle of the office to an area near a corner office. Wireless users are MOST likely to experience issues with which of the following?
A. Signal strength
B. SSID mismatch
C. Channel mismatch
D. Encryption mismatch
A technician is troubleshooting a network camera. The technician restarted the modem and now the camera is no longer available from a mobile device. Which of the following has MOST likely occurred?
A. The public IP address of the network has changed.
B. The camera has received a new firmware update.
C. The camera's secure shell has been disabled.
D. The router has changed the IP of the mobile device.
A technician is implementing a wireless network at a small business. The business already has a certificate authority and RADIUS server that they would like the technician to integrate with the wireless network. Additionally, the business would like to utilize their legacy 802.11b TKIP printers.
Which of the following configurations should the technician use?
A. 802.11a with WPA2-Enterprise
B. 802.11n with WPA-PSK
C. 802.11n with WPA2-PSK
D. 802.11g with WPA-Enterprise
An administrator has created several virtual machines on the same host server and requires them to each be on separate VLANs. Which of the following should the administrator configure to meet this goal?
A. Set the VLAN preferences on the host's NIC
B. Create each VLAN on the host's virtual switch
C. Change the virtual machine NIC settings from private to bridged
D. Create each VLAN on the host's gateway router
A network has a large number of users who connect for short periods of time and the network needs to maximize the number of devices that can be configured using DHCP.
Which of the following should be configured to solve this issue?
A. Increase the number of reservations
B. Increase exclude list
C. Decrease lease times
D. Decrease the scope
Joe, a network technician, is tasked with setting up a new wireless network in an office for office laptops and desktops only. The surrounding offices already have many wireless networks. Joe discovered that over 30 wireless networks were showing up as he completed a wireless survey of the office. Every single one of the networks that Joe was able to see while conducting the wireless survey were 802.11b/g networks.
Which of the following should Joe consider before purchasing/installing the new wireless access points?
A. Move the WAP so that it is close to the interior walls.
B. Determine which wireless channels and bands to use to mitigate as much interference as possible.
C. Turn the SSID broadcasts off to decrease interference.
D. Determine if the business should relocate to a building with a lot less surrounding wireless networks.
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