My study experience for 640-721

1. For the following items ,which one correctly describes fading?

A. A function of the frequency and should be provided in the cable specification by the vendor.

B. Another signal source is producing energy on the channel in which you are trying to operate.

C. A time-varying change in the path loss of a link with the time variance governed by the movement of objects in the environment, including the transmitter and receiver themselves.

D. The desired signal reaches the receiving antenna via multiple paths, each of which has a different propagation delay and path loss.

Answer: C

2. Observe the following statements, which limitation applies to the use of the Cisco WLAN Solution Management over Wireless feature?

A. Read-write access is not available; only read-only access is supported.

B. Controllers must be managed using only secure protocols (that is, SSH and HTTPS), not nonsecure protocols (that is, HTTP and Telnet).

C. Uploads and downloads from the controller are not allowed.

D. Wireless clients can manage other controllers however not the same controller and AP to which the client is associated.

Answer: C
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