Thursday, 16 February 2017

200-355 Exam Question

Question: 1

What 802.1x role is responsible for moving a port to the authorized state?

A. Supplicant
B. Authenticator
C. Authentication Server
D. RADIUS Server

Answer: B

Cisco 640-722 Exam Has Been Retired by Cisco


Cisco certification exam 640-722 has been retired by Cisco. Cisco also replaced 640-722 with new Cisco exam code 200-355.

Wednesday, 8 February 2017

640-722 Exam Question

Question: 46

The IEEE 802.11n standard provides 40-MHz channels, improved MAC efficiency, and MIMO. Which three elements define the 802.11n implementation of MIMO? (Choose three.)

A. channel bonding
B. dynamic frequency selection
C. maximal ratio combining
D. packet aggregation
E. spatial multiplexing
F. transmit beam forming

Answer: C,E,F