Cisco ENCOR IP Services and QoS

Question 1

Which QoS model provides per-flow resource reservation using RSVP signaling?

Accepted Answer

IntServ

Answer

Best Effort

Answer

DiffServ

Answer

LLQ

Question 2

What DSCP value corresponds to Expedited Forwarding (EF), commonly used for voice traffic?

Accepted Answer

DSCP 46

Answer

DSCP 10

Answer

DSCP 26

Answer

DSCP 48

Question 3

Which NTP stratum level indicates the NTP server is directly connected to an authoritative time source?

Accepted Answer

Stratum 1

Answer

Stratum 0

Answer

Stratum 2

Answer

Stratum 15

Question 4

What is the purpose of SNMP traps?

Accepted Answer

Send asynchronous event notifications from agent to manager

Answer

Poll devices for MIB data

Answer

Allow managers to set device configuration

Answer

Authenticate SNMP community strings

Question 5

Which NAT type maps one internal IP address to one unique external IP address on a one-to-one basis?

Accepted Answer

Static NAT

Answer

Dynamic NAT

Answer

PAT (NAT overload)

Answer

Policy NAT

Question 6

Which queuing mechanism guarantees minimum bandwidth and prioritizes delay-sensitive traffic using a strict priority queue?

Accepted Answer

LLQ

Answer

FIFO

Answer

WFQ

Answer

CBWFQ