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Implementing Cisco Enterprise Advanced Routing and Services (ENARSI) · Cisco
Select 2 answers.
This question asks for 2 answers, but our data marks only 1. Compare with the community discussion below for the full answer.
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B and C are the best options, but B (domain name) is not really needed. "crypto key generate rsa general-key label SSH modulus 2048" will do the trick without domain name configured...
This question seems strangely worded. My guess is that they are asking about someone trying to SSH into the router and it fails, in which case B and C are the correct answers. You need to configure a domain name and then generate an RSA key to be able to SSH into the router. But the question could also be interpreted as the router being the SSH client into some other device. The problem there is that such a setup would not require any configuration at all on the router. The device you SSH into might need it, but it might also need a bunch of other things. The most logical interpretation is in my opinion that we are trying to SSH into the router and it doesn't work, not that we are trying to SSH from the router. So the answer is B and C.
I'm with Pietjeplukgeluk. The question seems to be indicating that the router is not able to make a SSH connection OUT. A-D could be the reason.