What does the number 16 in the following command represent?
Router(config)#snmp-server user abcd public v2c access 16
A. the mask of the files that are allowed to use community string public.
B. the standard named access list 16, which contains the access rules that apply to user abcd.
C. the number of concurrent users who are allowed to query the SNMP community.
D. the user ID that is allowed to use the community string public.
B
https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/snmp/command/nm-snmp-cr-book/nm-snmp-cr-s5.html#wp2680776843
snmp-server user username group-name [ remote host [ udp-port port ] [ vrf vrf-name ] ] { v1 | v2c | v3 [encrypted] [ auth { md5 | sha } auth-password ] } [ access [ ipv6 nacl ] [ priv { des | 3des | aes { 128 | 192 | 256 } } privpassword ] { acl-number | acl-name } ]