300-820 Practice Test

300-820 Practice Test practice questions, page 4 of 11, with answer review and explanations.

Question 16

Which statement about scheduling Expressway backups is true?

  1. It is not supported on the application.
  2. It is allowed from the application CLI of the Expressway only.
  3. It is allowed from the application CLI and GUI of the Expressway.
  4. It is allowed from the application GUI of the Expressway only.

Question 17

Between which two DTMF relay methods does the Expressway support interworking? (Choose two.)

  1. unsolicited notify
  2. RFC 2833
  3. KPML
  4. passthrough
  5. H.245 user input indication

Question 18

What allows endpoints behind a NAT to discover the paths through which they will pass media?

  1. RTP
  2. TLS
  3. SNMP
  4. ICE

Question 19

Which two types of information does Cisco Expressway back up? (Choose two.)

  1. call records
  2. log files
  3. IP addresses
  4. current call states
  5. security certificates

Question 20

Which connection does the traversal zone configuration define?

  1. Expressway-E and Collaboration Endpoints
  2. Cisco UCS E-Series and Cisco UCM
  3. Cisco UC and Cisco Unified Presence Server
  4. Cisco Expressway-C and Cisco Expressway-E platforms