单项选择题

What is a reason for implementing MPLS in a network？（）

A.MPLS eliminates the need of an IGP in the core.
B.MPLS reduces the required number of BGP-enabled devices in the core.
C.Reduces routing table lookup since only the MPLS core routers perform routing table lookups.
D.MPLS eliminates the need for fully meshed connections between BGP enabled devices.

<上一题目录下一题>

热门试题

多项选择题WhataretwopossibleactionsanIOSIPScantakeifapacketinasessionmatchesasignature？（）

A.reset the connection
B.forward the packet
C.check the packet against an ACL
D.drop the packet

单项选择题WhichstatementdescribesReverseRouteInjection（RRI）？（）

A.A static route that points towards the Cisco Easy VPN server is created on the remote client.
B.A static route is created on the Cisco Easy VPN server for the internal IP address of each VPN client.
C.A default route is injected into the route table of the remote client.
D.A default route is injected into the route table of the Cisco Easy VPN server.

多项选择题Whichthreetechniquesshouldbeusedtosecuremanagementprotocols？（）

A.Configure SNMP with only read-only community strings.
B.Encrypt TFTP and syslog traffic in an IPSec tunnel.
C.Implement RFC 3704 filtering at the perimeter router when allowing syslog access from devices on the outside of a firewall.
D.Synchronize the NTP master clock with an Internet atomic clock.
E.Use SNMP version 2.
F.Use TFTP version 3 or above because these versions support a cryptographic authentication mechanism between peers.

多项选择题IfanedgeLabelSwitchRouter（LSR）isproperlyconfigured，whichthreecombinationsarepossible？（）

A.A received IP packet is forwarded based on the IP destination address and the packet is sent as an IP packet.
B.An IP destination exists in the IP forwarding table. A received labeled packet is dropped because the label is not found in the LFIB table.
C.There is an MPLS label-switched path toward the destination. A received IP packet is dropped because the destination is not found in the IP forwarding table.
D.A received IP packet is forwarded based on the IP destination address and the packet is sent as a labeled packet.
E.A received labeled IP packet is forwarded based upon both the label and the IP address.
F.A received labeled packet is forwarded based on the label. After the label is swapped，the newly labeled packet is sent.

单项选择题Whatarethefoursteps，intheircorrectorder，tomitigateawormattack？（）

A.contain，inoculate，quarantine，and treat
B.inoculate，contain，quarantine，and treat
C.quarantine，contain，inoculate，and treat
D.preparation，identification，traceback，and postmortem
E.preparation，classification，reaction，and treat
F.identification，inoculation，postmortem，and reaction