Refer to the exhibit. An engineering team is analyzing the WAN connection for a site that has a 50 Mbps Ethernet circuit. Which technology should be uses to keep the router from overrunning the…

The correct answer is A. shaping. Traffic shaping (A) limits the output rate by buffering excess traffic in a queue and transmitting it smoothly at the configured rate. This is ideal for WAN circuits where the physical interface speed (e.g., 1 Gbps) exceeds the contracted service rate (50 Mbps) - shaping…

Advanced WAN Services

Question

Refer to the exhibit. An engineering team is analyzing the WAN connection for a site that has a 50 Mbps Ethernet circuit. Which technology should be uses to keep the router from overrunning the carrier's 50 Mbps rate?

Exhibits

Options

Ashaping
BAccess Control List
CCommitted Information Rate
DRate-Limit
EPolicing

How the community answered

(37 responses)

A
81% (30)
B
8% (3)
C
3% (1)
D
5% (2)
E
3% (1)

Explanation

Traffic shaping (A) limits the output rate by buffering excess traffic in a queue and transmitting it smoothly at the configured rate. This is ideal for WAN circuits where the physical interface speed (e.g., 1 Gbps) exceeds the contracted service rate (50 Mbps) - shaping ensures traffic never bursts above that rate, preventing carrier-side drops. Policing (E) drops or re-marks traffic that exceeds the rate instead of buffering it, causing more packet loss. ACLs (B) filter traffic but do not control rate. CIR (C) is the committed rate itself, not an enforcement mechanism. Rate-limit (D) is a Cisco IOS policing command, not shaping.

Topics

#traffic shaping#QoS#WAN rate limiting#Ethernet circuit

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