單項(xiàng)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(xiàng)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(xiàng)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(xiàng)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(xiàng)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(xiàng)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

6.單項(xiàng)選擇題Two BGP peers connected through a routed firewall are unable to establish a peering relationship. What could be the most likely cause? ()

A. BGP peers must be Layer 2-adjacent
B. EBGP multihop is not configured
C. The firewall is not configured to allow IP protocol 89
D. The firewall is not configured to allow UDP 179.

7.單項(xiàng)選擇題

Refer to the exhibit. Users on the 199.155.24.0 network are unable to reach the 172.16.10.0 network. What is the most likely solution?()

A. Router ISP1 should be configured to peer with router B
B. Router ISP2 should be configured with no synchronization
C. Router ISP1 should be configured with no synchronization
D. Router ISP2 should be configured with no auto-summary.
E. Router ISP1 or IPS2 should be configured with network 176.16.10.0 mask 255.255.255.0

8.單項(xiàng)選擇題Which mechanism does OSPFv3 use when the router LSA is too big to be sent out?()

A.It relies on IPv6 to do the fragmenting.
B.It splits the LS Update packet into smaller packets.
C.It splits the LSA into smaller router LSA packets.
D.It produces an error.

9.單項(xiàng)選擇題

Refer to the exhibit. Routers A and B are directly connected and running OSPF, but they are unable to form a neighbor relationship. What is the most likely cause?()

A. The routers are not on the same network.
B. The network statements do not match.
C. The process number does not match.
D. The MTU does not match.
E. The OSPF cost does not match.
F. There is a physical issue with the cable.

10.單項(xiàng)選擇題

Refer to the exhibit. Routers A and B are directly connected and running EIGRP, but they are unable to form a neighbor relationship. What is the most likely cause? ()

A. The network statements are misconfigured.
B. The IP address statements are misconfigured.
C. The autonomous system is misconfigured.
D. There is a physical issue with the cable.

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An expanding company is deploying leased lines between its main site and two remote sites. Thebandwidth of the leased lines is 128kb/s each,terminated on different serial interfaces on the main router.These links are used for combined VOIP and data traffic. The network administrator has implemented a VOIP solution to reduce costs,and has therefore reserved sufficient bandwidth in a low latency queue oneach interface for the VOIP traffic. Users now complain about bad voice quality although no drops areobserved in the low latency queue. What action will likely fix this problem?()

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Based on the exhibit presented. What will be the objective of this route map when applied to traffic passing through a router?()

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In PIM-SM what control plane signaling must a multicast source perform before it begins to send multicasttraffic to a group?()

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