单项选择题

Refer to the exhibit which statement is true?()


A. telnet traffic originating from the router will be rate limited unless it is destined for hosts 10.1.1.1 or 10.1.1.2
B. the configuration will not rate limit any telnet traffic until it is applied to a router interface.
C. All telnet traffic destined for the router will be rate limited.
D. telnet traffic from hosts 10.1.1.1 and 10.1.1.2 destined for the router will not be rate limited.


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1.单项选择题

After logging into the WCS wireless management server,the administrator is presented with the initial home page showing the network summary.there are four main menu choices across the top horizontal secreen.what is the purpose of the location menu choice?()

A.to configure the location and addition of a wireless lan controller(WLC) using an ip address. 
B.to enable the :on demand” location of a single rogue AP or rogue client.
C.to configure the communication with a location appliance.
D.to configure the location and addition of a wireless access point using an ip address.

2.单项选择题Which traffic descriptor is used for marking? ()

A.weighted RED (WRED) orange or green labels
B.modular QoS CLI (MQC) application layer tags
C.Deficit Round Robin (DRR) precedence bits
D.header compression tags
E.MPLS experimental bits
F.FIFO Layer 2 descriptor labels (L2DL)

3.单项选择题Which header or set of headers does CRTP compress? ()

A.Layer 2
B.Layer 3
C.Layer 4
D.Layer 2 and Layer 3
E.Layer 3 and Layer 4

4.多项选择题What are the three elements of configuring congestion management?()

A.queue creation
B.determining packet drop thresholds
C.determining the random early detection method
D.traffic classification
E.queue scheduling
F.FIFO configuration

5.多项选择题Which two statements are true about traffic shaping and traffic policing?()

A.both traffic shaping and traffic policing cause retransmissions of connection-oriented protocols such as TCP
B.both traffic shaping and traffic policing support the marking and re-marking of traffic
C.the effects of traffic shaping and traffic policing when configured on a router are applied to outgoing traffic
D.traffic shaping queues excess traffic whereas traffic policing discards excess traffic
E.traffic shaping allows the traffic to exceed the bit rate whereas traffic policing prevents the traffic from exceeding the bit rate

6.单项选择题What is the goal of QoS in a network? ()

A.prevent packets from being dropped
B.increase available bandwidth
C.reduce hardware errors
D.provide predictable network service
E.eliminate propagation delay
F.eliminate jitter and packet loss

7.单项选择题What are the steps for configuring stateful NBAR for dynamic protocols? ()

A.use the command ip nbar protocol-discovery to allow identification of stateful protocols. Use the command ip nbar port-map to attach the protocols to an interface
B.use the command match protocol rtp to allow identification of real-time audio and video traffic. Use the command ip nbar port-map to extend the NBAR functionality for well-known protocols to new port numbers
C.use the command match protocol to allow identification of stateful protocols. Use the command ip nbar port-map to attach the protocols to an interface
D.configure a traffic class. Configure a traffic policy. Attach the traffic policy to an interface. 
E.configure video streaming. Configure audio streaming. Attach the codec to an interface

9.多项选择题Which two statements regarding the Wireless LAN Solution Engine (WLSE) are true ?()

A.to support fault and policy reporting, the WLSE requires a Wireless Control System (WCS)
B.when WLSE detects an AP failure, it automatically increases the power and cell coverage of nearby APs
C.WLSE requires the 2700 location appliance to offer location tracking
D.WLSE can locate rogue APs and automatically shut them down
E.WLSE configuration is done using the command line interface (CLI) or a WEB based template

10.多项选择题Which three methods would help prevent critical network-traffic packet loss on high speed interfaces?()

A.policy routing
B.increase link capacity
C.WRED
D.CBWFQ
E.LFI
F.WFQ

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