A network administrator must configure SSH for remote access to router R1. The requirement is to use a public and private key pair to encrypt management traffic to and from the connecting client. Which configuration, when applied, meets the requirements?

A. R1#enable R1#configure terminal R1(config)#ip domain-name cisco.com R1(config)#crypto key generate ec keysize 1024 B. R1#enable R1#configure terminal R1(config)#ip domain-name cisco.com R1(config)#crypto key generate ec keysize 2048 C. R1#enable R1#configure terminal R1(config)#ip domain-name cisco.com R1(config)#crypto key encrypt rsa name myKey D. R1#enable R1#configure terminal R1(config)#ip domain-name cisco.com R1(config)#crypto key generate rsa modulus 1024