多项选择题X 纠错
A. Voice traffic will be assigned 47% of the interface bandwidth.
B. Voice call signaling will be assigned 33% of the interface bandwidth.
C. Telnet, SSH, and other traffic that is generated to manage the router is assigned 5% of the interface bandwidth.
D. Best-effort traffic will be assigned 38% of the interface bandwidth.
E. Routing protocol traffic will be assigned 5% of the interface bandwidth.
F. Transactional traffic will be assigned 5% of the interface bandwidth.
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多项选择题
A. Business-critical traffic will be sorted into two QoS classes.
B. Real-time traffic will be sorted into one QoS class.
C. Voice traffic will be considered real-time traffic while call signaling will be considered business-critical.
D. All traffic except real-time will be considered best-effort.
E. Routing, management, and transactional traffic will be considered business-critical.
F. Voice and call signaling traffic will be considered real-time.
单项选择题
A. IP precedence
B. type of service (ToS)
C. class of service (CoS)
D. differentiated services code point (DSCP)
多项选择题
A. Wireless LAN Solution Engine (WLSE)
B. command-line interface (CLI)
C. Wireless Control System (WCS)
D. TFTP
E. an HTTPS web user interface
F. an HTTP web user interface
单项选择题
A. 1 meter
B. 5 meters
C. 10 meters
D. 25 meters
E. 33 meters
多项选择题
A. improved WLAN security
B. simplified AP deployment
C. dynamic RF management
D. on-demand location of rogue APs
E. system-wide control of status and alarm monitoring
F. automatic channel and power level adjustment
多项选择题
A. FIFO queuing, which provides a means to hold packets while they are waiting to exit an interface
B. Priority queuing, which ensures a fixed amount of bandwidth
C. Custom queuing (CQ), which provides a queuing tool that services all queues, even during times of congestion
D. Bandwidth queuing, which ensures a minimum amount of bandwidth
E. Weighted fair queuing (WFQ), which classifies packets based on flows
单项选择题
A. It supports admission control that allows a network to reject or downgrade new RSVP sessions if one of the interfaces in the path has reached the limit (that is, all reservable bandwidth is booked).
B. RSVP signals QoS requests per individual flow. In the request the authorized user (authorization object) and needed traffic policy (policy object) are sent. The network can then provide best-effort delivery to these individual flows.
C. RSVP streamlines communication by making it unnecessary to inform network devices of flow parameters (IP addresses and port numbers).
D. Because of the stateful RSVP architecture, continuous signaling does not have to occur.
E. The flow-based approach is scalable to large implementations, such as the public Internet, because RSVP tracks each individual flow.
单项选择题
A. 8
B. 5
C. 4
D. 3
多项选择题
A. Resource Reservation Protocol (RSVP)
B. first-in, first-out (FIFO)
C. best-effort
D. CBWFQ
E. IntServ
F. DiffServ
多项选择题
A. Packets can arrive out of order.
B. Packets must take the same path to the destination.
C. Once packets are received at the destination router, the router performs sampling to ensure the quality of the voice traffic.
D. Packets can experience varying delays across the network.
E. Packets containing voice samples are sequentially numbered by default, allowing for reordering upon arrival at the terminal router along the path.