Company ABC is deploying Mobile and Remote Access (MRA) to allow employees to login Jabber clients from anywhere on the internet. What is the first DNS query a Jabber client attempts to resolve from outside of the corporate network?
A. DNS A record for_cisco-uds._tcp.vceguide.com
B. DNS SRV record for_collab-edge._tls.vceguide.com
C. DNS A record for _collab-edge_tls.vceguide.com
D. DNS SRV record for _cuplogin._tcp.vceguide.com
E. DNS A record for the Expressway-E FQDN
F. DNS SRV record for_cisco-uds._tcp.vceguide.com
F is correct
https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/jabber/Windows/9_7/CJAB_BK_C606D8A9_00_cisco-jabber-dns-configuration-guide/CJAB_BK_C606D8A9_00_cisco-jabber-dns-configuration-guide_chapter_00.html
The client requests the following SRV records in the following order:
_cisco-uds
_cuplogin
_collab-edge