Exam 100-490 topic 1 question 3 discussion

Actual exam question from Cisco's 100-490

Question #: 3
Topic #: 1

Which two statements about Telnet and SSH are true? (Choose two.)

A. SSH is a protocol that provides a secure remote access connection to network devices.
B. SSH uses the well-known TCP port 23 for its communication.
C. A Telnet network management connection is dropped when a router reboots.
D. Telnet is a protocol that provides a secure remote access connection to network devices.
E. Telnet is preferred over SSH for security reasons.