單項(xiàng)選擇題How is RPF used in multicast routing?()

A.to prevent multicast packets from looping
B.to prevent PIM packets from looping
C.to instruct PIM where to send a (*, G) or (S, G) join message
D.to prevent multicast packets from looping and to instruct PIM where to send a (*, G) or (S, G) joinmessage


您可能感興趣的試卷

你可能感興趣的試題

2.單項(xiàng)選擇題

Refer to the exhibit. Look at the command output. What would be the most probable reason for this port-ID mismatch?()

A. spanning-tree misconfiguration
B. speed mismatch configuration
C. cabling problem
D. configuration problem

最新試題

In order to configure two routers as anycast RPs, which of these requirements, af a minimum, must besatisfied?()

題型:?jiǎn)雾?xiàng)選擇題

Which types of prefixes will a router running BGP most likely advertise to an IBGP peer, assuming it is notconfigured as a route reflector?()

題型:?jiǎn)雾?xiàng)選擇題

The classic Spanning Tree Protocol (802.1 D 1998) uses which sequence of variables to determine thebest received BPDU?()

題型:?jiǎn)雾?xiàng)選擇題

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?()

題型:?jiǎn)雾?xiàng)選擇題

Which of these best describes the actions taken when a VTP message is received on a switch configuredwith the VTP mode "transparent"?()

題型:?jiǎn)雾?xiàng)選擇題

Which two EIGRP options will limit a query domain?()

題型:多項(xiàng)選擇題

Spanning Tree Protocol IEEE 802.1 s defines the ability to deploy which of these?()

題型:?jiǎn)雾?xiàng)選擇題

Which of the following is true about the MPLS header and its EXP field size?()

題型:?jiǎn)雾?xiàng)選擇題

Which two are differences between IGMPv2 and IGMPv3 reports?()

題型:多項(xiàng)選擇題

What is the command to configure RSVP to reserve up to one-tenth of a Gigabit link,but only allow eachindividual flow to use 1 MB/s?()

題型:?jiǎn)雾?xiàng)選擇題