Sandy, an administrator, needs to install a wireless network that will allow legacy devices to connect to the network and also offer both 5GHz and 2.4GHz frequencies. Which of the following would BEST describe the type of WAP needed?


A.      802.11a

B.      802.11b

C.      802.11g

D.      802.11n


Correct Answer: D




Sandy, a technician, is reporting wireless transmission speeds of 300Mbps. Which of the following wireless standards is being used?


A.      802.11a

B.      802.11b

C.      802.11g

D.      802.11n


Correct Answer: D




Which of the following network devices MOST likely functions as a network repeater or a bridge?


A.      VPN concentrator

B.      IDS

C.      Access point

D.      Firewall


Correct Answer: C




Which of the following VPN methods is BEST used for connecting a remote office to the main company office?


A.      WEP-to-WPA

B.      RDP-to-RAS

C.      Client-to-site

D.      Site-to-site

Correct Answer: D




Kurt, an administrator, configures a device that functions at the network layer, and also has 24 collision domains. Which of the following terms BEST describes this device?


A.      Hub

B.      VPN concentrator

C.      Wireless access point

D.      Multilayer switch


Correct Answer: D




Karen, a network technician, needs to identify the MAC address of a device that is creating broadcast storms on the network. Which of the following tools will provide the needed information?


A.      History logs

B.      Network sniffer

C.      Network maps

D.      Traffic shaping


Correct Answer: B




Which of the following is the third layer of the OSI model?


A.      Transport

B.      Application

C.      Data Link

D.      Network


Correct Answer: D




A firewall that operates at Layer 7 of the OSI model is known as a(n):


A.      Circuit gateway

B.      Packet filter

C.      Application level

D.      Redundant firewall


Correct Answer: C




Karen, a network technician, is troubleshooting in a wiring closet in 2011. The cabling to all the equipment does not match the documentation from 2007. Which of the following configuration management methods has been overlooked?


A.      Change management

B.      System logs

C.      Asset management

D.      Baselining


Correct Answer: A




Kurt, a network administrator, is responding to a support ticket. The ticket does not have enough information to determine the problem. Which of the following should Kurt perform FIRST before responding to the ticket?


A.      Determine if anything has changed.

B.      Test a theory to determine a cause.

C.      Establish a plan of action to resolve the problem.

D.      Escalate the problem if necessary.


Correct Answer: A



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