单选题Router R1, an ASBR connected to the Internet and to backbone area 0, has been configured with a default - information originate command. Which of the following is true about the effects of this configuration command?()AR1 will always create and flood a default route into the OSPF domain.BR1 will create and flood an LSA for prefix/length 0.0. 0.0/0 into the OSPF domain if R1's IP routing table has a route to 0.0.0.0/0.CR1 will set a flag on the LSA for the subnet between itself and one of the ISPs, noting this subnet as a default network, regardless of whether R1 has a default route.DR1 w ill set a flag on the LSA for the subnet between itself and one of the ISPs, noting this subnet as a default network, but only if R1 has a route to 0.0.0.0/0.
单选题
Router R1, an ASBR connected to the Internet and to backbone area 0, has been configured with a default - information originate command. Which of the following is true about the effects of this configuration command?()
A
R1 will always create and flood a default route into the OSPF domain.
B
R1 will create and flood an LSA for prefix/length 0.0. 0.0/0 into the OSPF domain if R1's IP routing table has a route to 0.0.0.0/0.
C
R1 will set a flag on the LSA for the subnet between itself and one of the ISPs, noting this subnet as a default network, regardless of whether R1 has a default route.
D
R1 w ill set a flag on the LSA for the subnet between itself and one of the ISPs, noting this subnet as a default network, but only if R1 has a route to 0.0.0.0/0.
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单选题What must be configured on the network in order for users on the Internet to view web pages located on Web Server 2?()AOn router R2, configure a default static route to the 192.168.1.0 network.BOn router R2, configure DNS to resolve the URL assigned to Web Server 2 to the 192.168.1.10 address.COn router R1, configure NAT to translate an address on the 209.165.100.0/24 network to 192.168.1.10.DOn router R1, configure DHCP to assign a registered IP address on the 209.165.100.0/24 network to Web Server 2.
单选题Which of the following is true about an OSPF area border router (ABR)?()AThe ABR must have multiple interfaces connected to the backbone areABAn ABR is a router with two interfaces, each connected to a different nonbackbone areACThe only requirement to be considered an ABR is at least one interface connected to the backbone areADAn ABR must have at least one interface in the backbone area plus at least one other interface in a nonbackbone areA
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