單項選擇題

Which of these is a valid differentiated services PHB？（）

A.Guaranteed PHB
B.Class-Selector PHB
C.Reserved Forwarding PHB
D.Discard Eligible PHB
E.Priority PHB

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多項選擇題

Which two of these are differences between traffic policing and traffic shaping？（）

A.with traffic shaping，a router stores excess traffic in packet buffers until bandwidth is available again
B.with policing you can tune the buffer usage for traffic exceeding the specified CIR
C.with shaping you can tune the buffer usage for traffic exceeding the specified CIR
D.shaping should only be applied for ingress traffic，policing only for egress
E.policing uses a token bucket algorithm，shaping uses an SPD algorithm

單項選擇題

You are designing your network to be able to use trunks. As part of this process you are comparing the ISL and 802.1Q encapsulation options. All of these statements about the two encapsulation options are correct except which one？（）

A.Both support normal and extended VLAN ranges.
B.ISL is a Cisco proprietary encapsulation method and 802.1Q is an IEEE standard.
C.ISL encapsulates the original frame.
D.Both support native VLANs.
E.802.1Q does not encapsulate the original frame.

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Which of these is a valid differentiated services PHB？ （）

你可能感興趣的試題

Which two of these are differences between traffic policing and traffic shaping？（）

You are designing your network to be able to use trunks. As part of this process you are comparing the ISL and 802.1Q encapsulation options. All of these statements about the two encapsulation options are correct except which one？（）

Which of these is a valid differentiated services PHB？（）

Which two of these are differences between traffic policing and traffic shaping？（）

You are designing your network to be able to use trunks. As part of this process you are comparing the ISL and 802.1Q encapsulation options. All of these statements about the two encapsulation options are correct except which one？（）