CCIE系列認證CCIE(350-018)單項選擇題每日一練(2019.08.02)

A. enables IOS to copy the ToS field from the inner （original） IPheader to theouter tunnel IP header
B. enables IOS to make a copy of the inner （original） IP header and to run a QoS classification before encryption， based on fields in the inner IP header.
C. enables IOS to classify packets based on the ToS field in the inner （original） IP header
D. enables IOS to classify packets based on the ToS field in the outer tunnel IP header
E. enables the IOS classification engine to only see a single encrypted and tunneledflow to reduce classification complexity

A. 4 bytes for both
B. 4 bytes， and 8 bytes respectively
C. 8 bytes for both
D. 24 bytes for both

A. Spanning tree protect
B. Root Guard and BPDU Guard
C. Unicast Reverse Path Forwarding
D. MAC spoof guard
E. Port Security

A. Anomaly Detection
B. SYN Cookies
C. Application Inspection
D. Content filtering
E. Anti-X Protection
F. Anti Virus

A. nat  0
B. nonat-control
C. access-list
D. none of the above