《担保法》中保证是指保证人与债务人约定，当债务人不履行债务时，保证人按照约定履行债务或者承担责

A. Cisco Remote Management Services

B. Cisco Special Services

C. Cisco Advisory Services

D. Cisco Outsourcing Program

E. Cisco Advanced Services

F. Cisco Technical Support Services

A. IPcelerate IPsmartSuite

B. Cisco Unified Communication 500 series

C. Catalyst Express

D. Cisco UnifiedCallConnector

E. Cisco Monitor Directory

F. Cisco 500 seriesphones

A. bundled technical support and maintenance for Cisco networks

B. bundled, unlimited support with the purchase of any Cisco product

C. technical support, maintenance, and monitoring to Cisco networks

D. fee-based add-on support and tech-to-tech assistance for Cisco products

A. IP telephony

B. security

C. IP multicasting

D. QoS

A. Cisco SMB Support Assistant

B. Cisco Technical Support Services

C. Cisco Advanced Services

D. Cisco SMARTnet

A. Cisco SMB Support Assistant

B. Cisco Advanced Services

C. Cisco Technical Support Services

D. Cisco SMARTnet

A.Forwarding Class

B.Priority

C.TOS Marking

D.Buffer Size

E.RED Configuration

A. Advanced replacement on the next business day

B. Support for every Cisco Product

C. Cases Opened Via E-mail or Telephone at any time

D. Immediate Support from the Cisco TAC Engineers

E. NBD callback from a Specialized Engineer During Regular Business Hours

F. Support for low-end products only