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QUESTION 120
A single 802.11g access point has been configured and installed in the center of a square shaped Troytec office. A few wireless Troytec users are experiencing slow performance and drops while most users are operating at peak efficiency. From the list below, what are three likely causes of this problem? (Choose three)
A. Null SSID
B. Mismatched TKIP encryption
C. Cordless phones
D. Antenna type or direction
E. Mismatched SSID F. Metal file cabinets
F. Microwave ovens in the break room
Correct Answer: CDF
QUESTION 121
Part of the Troytec wireless LAN is shown below:
Exhibit

What two facts can be determined from the diagram of the Troytec WLAN shown above? (Choose two)
A. Access points in each cell must be configured to use channel 1 B. The network diagram represents an extended service set (ESS)
C. The two AP’s

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QUESTION 91
After making changes to the router, you issue the “copy running-config startup-config” command to save changes. After reloading the router, the router comes up in setup mode. You again make changes, save them, and reboot. Again, the router comes up in setup mode. What is the most likely cause of this?

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Exam A
QUESTION 1
Which three statements are true about the operation of a full-duplex Ethernet network? (Choose three.)
A. There are no collisions in full-duplex mode.
B. A dedicated switch port is required for each full-duplex node.
C. Ethernet hub ports are preconfigured for full-duplex mode.
D. In a full-duplex environment, the host network card must check for the availability of the network media before transmitting.
E. The host network card and the switch port must be capable of operating in full-duplex mode.
Correct Answer: ABE
QUESTION 2
Which router command can be used to determine the statusof Serial 0/0?

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Exam A
QUESTION 1
What does administrative distance refer to?
A. the cost of a link between two neighboring routers
B. the advertised cost to reach a network
C. the cost to reach a network that is administratively set
D. a measure of the trustworthiness of a routing information source
Correct Answer: D
QUESTION 2
What is the most efficient subnet mask for a small branch office with seven hosts?

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Exam A
QUESTION 1
Refer to the exhibit. A network technician has added host A to the network. Host A cannot communicate on the network. A ping that is issued on the host to address 127.0.0.1 fails. What is the problem?

A. The router is not forwarding the ping packets to network 127.0.0.0.
B. The remote host at 127.0.0.1 is unreachable.
C. The default gateway is incorrect.
D. The IP address of host A is incorrect.
E. The TCP/IP protocolsare not loaded.