單項(xiàng)選擇題Which statement is true of a source that wants to transmit multicast traffic to group 239.1.1.1?()

A.Before sending traffic, it must first join  multicast group 239.1.1.1 by sending an IGMPv2 membership report to the default router on the local subnet.
B.It must send an IGMPv2 Request to Send  packet and then wait for an IGMPv2 Clear to Send packet from the IGMPv2 querier router on the local subnet
C.It may begin transmitting multicast traffic to the group only when there is no other host transmitting to the group on the local subnet.
D.It may transmit multicast traffic to the group at any time. 


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What is the STP root guard feature designed to prevent?()

A.a root port being transitioned to the blocking state
B.a port being assigned as a root port
C.a port being assigned as an alternate port
D.a root port being transitioned to the forwarding state

3.單項(xiàng)選擇題IEEE 802.1w is a Rapid Spanning Tree Protocol (RSTP) that can be seen as an evolution of the 802.1 standard. What are the port roles described by 802.1w?()

A.root port,designated port,alternate port,backup port,and disabled
B.standby port,alternate port,root port,and disabled
C.standby port,designated port,backup port,and disabled
D.root port,designated port,alternate port,and standby port

5.單項(xiàng)選擇題What are the "bound IP addresses" used for in LDP?()

A.For each such address and mask /32, one label binding is created.
B.As the TCP endpoint, IP addresses are used by the LDP session.
C.These addresses are used to find the label binding to put in the LFIB, by looking up these IP addresses in the routing table.
D.These addresses are used for penultimate hop popping (PHP) when forwarding packets to the next router directly. 

最新試題

Which statement is true of a source that wants to transmit multicast traffic to group 239.1.1.1?()

題型:單項(xiàng)選擇題

Which two attributes need to match for two switches to become members of the same MST region?  ()

題型:多項(xiàng)選擇題

Which router is doing LSA type 7 to type 5 translation,and why?()

題型:單項(xiàng)選擇題

Which statement best describes OSPF external LSAs (type 5)?()

題型:單項(xiàng)選擇題

When two bridges are competing for the root bridge of an IEEE 802.1D spanning tree and both have the same bridge priority configured, which parameter determines the winner?()

題型:單項(xiàng)選擇題

What are the "bound IP addresses" used for in LDP?()

題型:單項(xiàng)選擇題

Which message type is constructed and sent from an MSDP router to its MSDP peers when it  receives a PIM register message (knowing that the MSDP router is also configured as an RP for  the PIM domain)?()

題型:單項(xiàng)選擇題

Which statement is correct about an OSPF sham-link?()

題型:單項(xiàng)選擇題

Two directly connected routers, R1 and R2, are both configured for OSPF graceful restart. R2 is able to switch packets in hardware, but R1 is not. If a network administrator logs on to R2 and performs a system reload, which will be the result?()

題型:單項(xiàng)選擇題

Internet Protocol version 6 (IPv6) is the next-generation Internet Layer protocol for packet-switched internetworks and the Internet. IPv6 router solicitation is()

題型:單項(xiàng)選擇題