單項(xiàng)選擇題Which statement best describes OSPF external LSAs (type 5)?()

A.OSPF external LSAs are automatically flooded into all OSPF areas, unlike type 7 LSAs, which require that redistribution be configured.
B.External LSAs (type 5) are automatically changed to type 1 LSAs at ASBRs.
C.Type 5 LSAs are route summaries describing routes to networks outside the OSPF Autonomous System.
D.External network LSAs (type 5) redistributed from other routing protocols into OSPF are not permitted to flood into a stub area


您可能感興趣的試卷

你可能感興趣的試題

1.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. 

3.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

4.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

最新試題

For the following ports, which port is on every bridge in a Spanning Tree Protocol IEEE 802.1w network except the root bridge?()

題型:單項(xiàng)選擇題

In GLBP, which router will answer on client ARP requests?()

題型:單項(xiàng)選擇題

In which way can the IPv6 address of 2031:0000:130F:0000:0000:09C0:876A:130B be expressed most efficiently?()

題型:單項(xiàng)選擇題

What does the OSPF command capability vrf-lite achieve?()

題型: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?()

題型:單項(xiàng)選擇題

Phase I and Phase II DMVPN differ in terms of which of these characteristics?()

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

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?()

題型:單項(xiàng)選擇題

Which three statements are true about policing? ()

題型:多項(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