200-301 · Question #564
Refer to the exhibit. Which two commands must be configured on router R1 to enable the router to accept secure remote-access connections? (Choose two)
The correct answer is B. crypto key generate rsa E. username cisco password 0 Cisco. To enable secure remote-access connections on a router, an RSA key pair must be generated for encryption, and a local username with a password must be configured for user authentication.
Question
Refer to the exhibit. Which two commands must be configured on router R1 to enable the router to accept secure remote-access connections? (Choose two)
Exhibits
Options
- Atransport input telnet
- Bcrypto key generate rsa
- Cip ssh pubkey-chain
- Dlogin console
- Eusername cisco password 0 Cisco
How the community answered
(14 responses)- A7% (1)
- B71% (10)
- C7% (1)
- D14% (2)
Why each option
To enable secure remote-access connections on a router, an RSA key pair must be generated for encryption, and a local username with a password must be configured for user authentication.
`transport input telnet` enables insecure Telnet access, which is not considered a secure remote-access connection.
The `crypto key generate rsa` command creates the necessary asymmetric key pair that Secure Shell (SSH) uses for encrypting remote management traffic.
`ip ssh pubkey-chain` is used for public key authentication but does not generate the RSA key itself or establish a basic local username for password authentication.
`login console` applies only to the physical console port, not to virtual terminal (VTY) lines used for remote access.
The `username cisco password 0 Cisco` command creates a local user account with a password, which is essential for authenticating users attempting to establish secure remote connections via SSH.
Concept tested: SSH enablement (RSA keys, local users)
Source: https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/sec_conn_ssh/configuration/15-mt/sec-sec-ssh-15-mt-book/sec-cfg-ssh-on-router.html
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