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ISC2 Systems Security Certified Practitioner (SSCP) Practice Question

During a security review, you inspect the baseline IOS configuration for two layer-3 switches that will sit in an internet-facing DMZ:

line vty 0 4 login local transport input telnet ssh ip http server snmp-server community public RO

To harden the devices before deployment, which single change should be made first to most effectively protect remote administrative sessions from eavesdropping and credential theft?

  • Configure a remote syslog destination and increase the local logging buffer size.

  • Enable spanning-tree portfast on all access interfaces to speed convergence.

  • Increase the number of vty lines from five to fifteen to handle concurrent administrators.

  • Remove the ip http server command and restrict the vty lines to SSH version 2 only.

ISC2 Systems Security Certified Practitioner (SSCP)
Network and Communication Security
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