單項選擇題You add the following commands into a routed topology: router eigrp 1 variance 3 traffic-share min across-interfaces. Users now complain about voice quality in your VoIP system. What should be done? ()

A. Add the command: router eigrp 1 traffic-share voice interface fast 0/0
B. Reconfigure EIGRP to recognize voice packets
C. Remove the variance from the configuration
D. Reconfigure the VoIP system to use RTP sequence number headers
E. Use an H '323 gatekeeper for your VoIP system to negotiate an H'245 uneven packet buffer
F. Reconfigure EIGRP to version 2


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1.單項選擇題Which command can be used to check the assignment of RPs to multicast groups?()

A.show ip pim rendez-vous
B.show ip rpf rp mapping
C.show ip pim rp mapping
D.show ip pim rp info
E.show ip pim

2.單項選擇題What does the command ip pim send-rp-discovery scope 16 achieve?()

A.it enables PIM BSR
B.it makes the router an Auto-RP mapping agent
C.it advertises the router as an RP with Auto-RP
D.it makes the router an Auto-RP client

3.單項選擇題What is the default behaviour of PIM-SSM If there are multiple equal-cost paths to the multicast source?()

A.It will send the join only to the neighbor with the highest IP address.
B.It will send the join only to the neighbor with the lowest IP address.
C.It will send the join in a round-robin fashion across all neighbors.
D.It will send the join to all neighbors.

4.單項選擇題What is the RP for IPv6 multicast address FF76:0130:2001:db8:3811::2323?()

A.2001:db8:3811::1
B.2001:db8:3811::2323
C.2001:db8:3811::0130
D.2001:db8:3811::3
E.2001:db8:3811::6

5.多項選擇題Which three factors have the biggest influence on OSPF scalability?()

A.Flooding paths and redundancy
B.Amount of routing information in the OSPF area or routing domain
C.Number of routers with Cisco Express Forwarding enabled
D.Number of neighbor adjacencies
E.Other routing protocols in use
F.OSPF timer reconstruction negotiation
G.Redistribution with BGP neighbors
H.Redistribution with other IGP routing protocols, such as RIP or EIGRP

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