Question 16

What is a function of an end device configured with DHCPv6 guard?
  • Question 17

    An engineer configured a router with this configuration
    ip access-hst DENY TELNET
    10 deny tcp any any eq 23 log-input
    The router console starts receiving log message :%SEC-6-IPACCESSLOGP: list DENY_TELNET denied tcp 192.168.1.10(1022)(FastEthernet1/0 D508.89gb.003f) ->192.168.2.20(23), 1 packet" Which action stops messages on the console while still denying Telnet?
  • Question 18

    A network administrator is tasked to permit http and https traffic only toward the internet from the User1 laptop to adhere to company's security policy. The administrator can still ping to www.cisco.com Which interface should the access list 101 be applied to resolve this issue?
  • Question 19

    Which configuration feature should be used to block rogue router advertisements instead of using the IPv6 Router Advertisement Guard feature?
  • Question 20

    Refer to the exhibit.

    A network is under a cyberattack. A network engineer connected to R1 by SSH and enabled the terminal monitor via SSH session to find the source and destination of the attack. The session was flooded with messages, which made it impossible for the engineer to troubleshoot the issue. Which command resolves this issue on R1?