A.It ensures that BPDUs sent by the root bridge are forwarded in a timely manner
B.It enforces the root bridge placement in the network
C.It ensures that all ports receiving BPDUs from the root bridge are in the forwarding state.
D.It ensures that the bridge is elected as root bridge in the network.
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A.IPv6 multicast uses Multicast Listener Discovery.
B.The first 8 bits of an IPv6 multicast address are always FF (1111 1111).
C.IPv6 multicast requires MSDP.
D.PIM dense mode is not part of IPv6 multicast.
A.Sent by the destination
B.Received by the sender
C.Received by the destination
D.Sent by the sender
A.Only UplinkFast and BackboneFast are specified in 802.1w; PortFast must be manually configured.
B.Only PortFast is specified in 802.1w; UplinkFast and BackboneFast must be manually configured.
C.None of the proprietary Cisco enhancements are specified in 802.1w.
D.PortFast, UplinkFast, and BackboneFast are specified in 802.1w.
A.Speed mismatch
B.Incorrect encapsulation
C.MTU set too low
D.Duplex mismatch
A.EBGP multihop will need to be configured for this to work.
B.This should work with normal BGP peering, with no additional configuration on the BGP speakers or the firewall.
C.The BGP protocol port must be opened on the firewall
D.There is no way to make BGP work across a firewall.
最新試題
When a BGP router is not capable of understanding 4-byte AS numbers, it will see 4-byte AS numbers as a special, reserved, 2-byte AS number in the AS path. Which 2-byte AS number is this reserved one?()
Which three statements are true about policing? ()
For the following protocols, which one provides a mechanism to transparently intercept and redirect CIFS traffic from a client to a local Cisco Wida Area Application engine?()
f a Cisco switch is configured with VTPv1 in transparent mode, what is done with received VTP advertisements?()
What is the STP root guard feature designed to prevent?()
Which one of the following potential issues is eliminated by using split horizon?()
Multicast is being deployed in the network, and only ip pim sparse-dense mode has been configured on all interfaces in the network to support a new video streaming application. No other multicast configuration was applied anywhere in the network. Since enabling multicast, the network monitoring tools show periodic spikes in link utilization throughout the network, even in areas where the video application is not being used. What could be a possible cause?()
Policy-based routing allows network administrators to implement routing policies to allow or deny paths based on all of these factors except which one?()
Which switch port error is an indication of duplex mismatches on 10/100/1000 IEEE 802.3u Gigabit Ethernet ports?()
Which statement best describes OSPF external LSAs (type 5)?()