New Updated 400-101 Exam Questions from PassLeader 400-101 PDF dumps! Welcome to download the newest PassLeader 400-101 VCE dumps: https://www.passleader.com/400-101.html (742 Q&As)
Keywords: 400-101 exam dumps, 400-101 exam questions, 400-101 VCE dumps, 400-101 PDF dumps, 400-101 practice tests, 400-101 study guide, 400-101 braindumps, CCIE Routing and Switching Written Exam v5.1
P.S. New 400-101 dumps PDF: https://drive.google.com/open?id=0B-ob6L_QjGLpfnRCUEFYcEhWZUw3OGNQY2FUSkptUXBrZDVzeE8zdkJQUERtOUFINDBFQW8
>> New CCIE Service Provider 400-201 dumps PDF: https://drive.google.com/open?id=0B-ob6L_QjGLpVkYtTGdtRWFodXM
>> New CCIE Collaboration 400-051 dumps PDF: https://drive.google.com/open?id=0B-ob6L_QjGLpNnliRG04bG9GbEk
>> New CCIE Data Center 400-151 dumps PDF: https://drive.google.com/open?id=0B-ob6L_QjGLpVmo1Q01pZEhTUG8
>> New CCIE Security 400-251 dumps PDF: https://drive.google.com/open?id=0B-ob6L_QjGLpd3JLalNVS0VWbms
>> New CCIE Wireless 400-351 dumps PDF: https://drive.google.com/open?id=0B-ob6L_QjGLpWTFGcGFzN0JuYkE
NEW QUESTION 709
In which way does the Bridge Assurance mechanism modify the default spanning-tree behavior in an effort to prevent bridging loops?
A. If BPDUs are no longer received on a port, the switch immediately sends out a TCN BPDU.
B. Extended topology information is encoded into all BPDUs.
C. BPDUs are sent bidirectional on all active network ports, including blocked and alternate ports.
D. Received BPDUs are looped back towards the sender to ensure that the link is bidirectional.