单选题Which of the following is the purpose of QoS?（）ALoad balance traffic across multiple LAN and WAN links.BIncrease speed of network traffic.CClassify, mark, and prioritize traffic on WAN and LAN linksDGuarantee traffic delivery.
单选题
Which of the following is the purpose of QoS?（）
A
Load balance traffic across multiple LAN and WAN links.
B
Increase speed of network traffic.
C
Classify, mark, and prioritize traffic on WAN and LAN links
D
Guarantee traffic delivery.
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相关考题：
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单选题You are working with a client to classify the different types of application traffic they will have on their network and to assign a QoS value to each traffic flow. The client has identified the following applications: Internet traffic, Oracle, network-based backups, AOL Instant Messenger, IP routing, voice, and voice signaling. Given these types of applications, how many different classes will need to be configured in QoS?（）A8B6C9D5
单选题What does a router do?（）AStores data on the network and connects the local-area network (LAN) to the wide-area network (WAN)BRoutes traffic down alternative paths and connects the local-area network (LAN) to the wide- area network (WAN)CBroadcasts data to all devices that are connected to it across the local-area network (LAN) and wide-area network (WAN)DReads Media Access Control (MAC) addresses to forward messages to the correct location and connects the local-area network (LAN) to the wide-area network (WAN)
单选题If voice and data traffic will be sent and received via a WAN links， what must be configured to provide a certain amount of dedicated bandwidth and to prioritize the voice traffic over other types of network traffic？（）AIPSec VPNBQoS mechanismCFirewallDNATEEIGRP routing protocolFStatic routing
单选题What is the most common cause of network congestion？（）Aaggregation congestion occurring at the core layer where the different distribution layer devices feed traffic to the core-layer switchesBspeed mismatches when moving from a low-speed LAN environment to a higher speed WAN environmentCflapping Ethernet interfaces caused by misconfigured LAN interfacesDflapping serial interfaces caused by misconfigured WAN interfacesEspeed mismatches when moving from a high-speed LAN environment to a lower speed WAN environment
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多选题Which two statements correctly identify factors to consider when Configuring WAN QoS？（）AVoice Traffic uses Assured ForwardingBVoice Signaling traffic uses Assured ForwardingCVoice Signaling traffic uses priority queuingDVoice Traffic uses priority queuingEVoice signaling traffic should use priority queuing with Assured Forwarding
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