A.IPsec site-to-site VPN
B.Cisco AutoSecure
C.Cisco IOS Firewall
D.IPS
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A.A request made by a node for the IP address of the local router
B.A request made by a node to join a specified multicast group
C.A request made by a node for a DHCP provided IP address
D.A request made by a node for the IP address of the DHCP server
A.2031：0：130F：0：0：09C0：876A：130B
B.2031：：130F：：9C0：876A：130B
C.2031：0：130F：：9C0：876A：130B
D.2031：0：130F：0：0：9C0：876A：130B
A.Traffic forwarded from R2 to or through R1 will continue to be forwarded based on the forwarding table state at the time of the reload.
B.R2 will continue to forward traffic to R1， but R1 will drop the traffic because its neighbor adjacency with R2 has failed.
C.R2 will continue forwarding traffic to and through R1， but R1 will drop this traffic because it is not capable of maintaining its forwarding state.
D.All the traffic R2 is forwarding to or through R1 will be dropped while OSPF rebuilds its neighbor adjacency and forwarding tables.
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.
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.
最新試題
What does the OSPF command capability vrf-lite achieve？（）
What are the "bound IP addresses" used for in LDP？（）
Which statement is true of a source that wants to transmit multicast traffic to group 239.1.1.1？（）
Policy-based routing allows network administrators to implement routing policies to allow or deny paths based on all of these factors except which one？（）
Choose two commands that are required to enable multicast on a router， when it is known that the receivers use a specific functionality of IGMPv3.（）
Which three protocols should be explicitly managed by using Control Plane Policing on an Internet border router？（）
f a Cisco switch is configured with VTPv1 in transparent mode， what is done with received VTP advertisements？（）
Which router is doing LSA type 7 to type 5 translation，and why？（）
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？（）
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？（）