单项选择题
You work as a network engineer for the company, you want to configure two BGP speakers to form an EBGP session across a firewall. On the engineer’s network, the firewall always permits TCP sessions that are initiated from the inside network (the network attached to the inside interface of the firewall). What prerequisite is there for enabling BGP to run on this network?()
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.
相关考题
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单项选择题
MultiProtocolLabelSwitching(MPLS)isadata-carryingmechanismthatbelongstothefamilyofpacket-switchednetworks.ForanMPLSlabel,ifthestackbitissetto1,whichoptionistrue?()
A.The stack bit will only be used when LDP is the label distribution protocol
B.The label is the last entry in the label stack.
C.The stack bit is for Cisco implementations exclusively and will only be used when TDP is the label distribution protocol.
D.The stack bit is reserved for future use. -
单项选择题
TheOSPFRFC3623GracefulRestartfeatureallowsyoutoconfigureIETFNSFinultivendornetworks.WhenusingOSPFGracefulRestart,whichmechanismisusedtocontinueforwardingpacketsduringaswitchover?()
A.Reverse Path Forwarding
B.Hardware-based forwarding
C.UDP forwarding
D.Layer 2 Forwarding -
单项选择题
Youareconfiguringan802.1QtrunkbetweenaLayer2switchandafirewall.Youreadinthedocumentationthatthebestwaytosetupatrunkistosettheportasdynamicdesirable.Thetrunkisnotcomingup.Whichoneoftheseoptionswouldbeavalidexplanation?()
A.The firewall does not support Cisco Discovery Protocol. You should set the switchport trunk mode ON
B.The firewall does not support Cisco Discovery Protocol. You should set the switchport trunk mode to OFF
C.The firewall does not support Cisco Discovery Protocol. You should set the switchport trunk mode asauto.
D.The firewall does not support DTP. You should set the switchport trunk mode to ON
