A.the two methods of authentication using the WEP encryption are open and shared key
B.the 802.11 standard defines WEP security using 128-bit keys
C.WEP can provide stronger authentication through the use of LEAP， PEAP， or EAP-FAST
D.WEP is a scalable encryption solution that uses static keys for authentication
E.WEP security provides only one-way authentication
F.WEPv2 offers improved encryption by replacing the RC4 encryption mechanism with the AES （symmetric block cipher） mechanism
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A.enabling modular QoS over Frame Relay
B.enabling Real-Time Transport Protocol （RTP） header compression
C.enabling distributed compressed Transmission Control Protocol
D.enabling latency and jitter reduction for Transmission Control traffic
E.enabling TCP header compression
A.Cisco IOS gateways provide services such as address translation and network access control for the devices on the network
B.Cisco IOS gateways provide services such as bandwidth management and accounting
C.Cisco IOS gateways provide media termination and signal translation between the public switched telephone network （PSTN） and IP networks
D.Cisco IOS gateways provide zone management for all registered endpoints in the network
A.the seventh call is routed via the PSTN
B.the call is denied and the original six （6） calls remain
C.the call is completed and the first call is dropped
D.the call is completed， but all calls have quality issues
E.the call is completed but the seventh call has quality issues
A.automated alternate routing （AAR）
B.Cisco CallManager Attendant Console
C.real-time protocol （RTP）
D.Survivable Remote Site Telephony （SRST）
A.the first step when using the SDM QoS wizard is to select the inbound interface on which the QoS policy must be applied
B.the SDM QoS wizard can be used to optimize LAN， WAN， and VPN interfaces
C.he SDM QoS wizard supports network-based application recognition （NBAR） to provide deep and stateful packet inspection
D.he SDM QoS wizard will apply custom queuing and priority queuing policies to the identified interfaces
E.he SDM QoS wizard will apply low latency-queuing，custom-queuing and priority-queuing policies to the identified interfaces
F.to create and manage the QoS settings， the user must select the QoS wizard task under the Monitor option
最新試題
Which three benefits are realized by implementing Wireless LAN Solution Engine （WLSE）？（）
When deploying a Cisco Wireless Control System （WCS） with the 2700 series location appliance， to within what range is on-demand location of rogue APs possible？（）
What is the term that is used to describe the process of converting a signal from digital to analog？（）
Which two VoIP capabilities are utilized when the CallManager and the gateway are configured for Survivable Remote Site Telephony？（）
Which two functions can be provided by an Integrated Services Router （ISR） in a VoIP network？（）
What can be used to maintain the voice quality on a link by limiting the number of calls that can be active at any given time？（）
Which three functions can an Integrated Services Router perform in a VoIP network？（）
Which two QoS classification and marking statements are true？ （）
Which two statements about the Wi-Fi Multimedia （WMM） standard are true？（）
What are the three models of quality of service （QoS） in a network？（）