What is the default option for framing when you configure а T1/E1 controller?

What is the default option for framing when you configure а T1/E1 controller?
A . Super Frame
B . alternate mark inversion
C . Extended Super Frame
D . cyclic redundancy check 4
E . high-density bipolar 3
F . No-CRC4
G . binary 8-zero substitution
H . Australia

View Answer

Answer: CD

Explanation:

The default setting for T1 framing is esf. The default setting for E1 framing is crc4. Reference: http://www.cisco.com/en/US/docs/routers/access/1700/1721/software/feature/guide/ t1e11721.html