单选题Router R1 has been conf igured with an ipv6 route 2000::/64 S0/0/0 64 command.Which of the following does the 64 at the end of the command represent?（）AMetricBAdministrative distanceCTimeout (seconds)DPrefix lengthEInterface ID
单选题
Router R1 has been conf igured with an ipv6 route 2000::/64 S0/0/0 64 command.Which of the following does the 64 at the end of the command represent?（）
A
Metric
B
Administrative distance
C
Timeout (seconds)
D
Prefix length
E
Interface ID
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Router R1 has been conf igured with an ipv6 route 2000::／64 S0／0／0 64 command.Which of the following does the 64 at the end of the command represent?() A. MetricB. Administrative distanceC. Timeout (seconds)D. Prefix lengthE. Interface ID
Router R1 has been configured with the redistribute ospf 1 route - map fred command under router eigrp 1. The route map named fred needs to be configured to match routes to d etermine which routes are redistributed into EIGRP.Which of the following answers lists an item that cannot be matched by route map fred?（）A. Subnet numberB. Next - hop router IP address of the routeC. Whether the route is an E1 or E2 routeD. The ro ute‘s tagE. The number of router hops between the router and the subnet
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Router R1 has been conf igured with an ipv6 route 2000::/64 S0/0/0 64 command.Which of the following does the 64 at the end of the command represent?（）A、MetricB、Administrative distanceC、Timeout (seconds)D、Prefix lengthE、Interface ID
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Router R1 exists in an Enterprise that uses EIGRP as its routing protocol. The show ip route command output on router R1 lists the following phrase: "Gateway of last resort is 1.1.1.1 to network 2.0.0.0". Whic h of the following is most likely to have caused this output to occur on R1?（）A、R1 has been configured with an ip default- network 2.0.0.0 command.B、R1 has been configured with an ip route 0.0.0.0 0.0.0.0 1.1.1.1 command.C、R1 has been configured with an ip route 2.0.0.0 255.0.0.0 1.1.1.1 command.D、Another router has been configured with an ip default - network 2.0.0.0 command.E、Another router has been configured with an ip route 2.0.0.0 255.0.0.0 1.1.1.1 command.
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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 currently has no configuration related to IPv6 or IPv4. The following configuration exists in a planning document, intended to be used to copy/paste into Router R1 to enable RIPng and IPv6 on interfaces F0/0 and S0/0/0. No other related configuration exists. Which of the following is true about RIPng on R1 after this configuration has been pasted into R1?（） ipv6 unicast- routing interface f0/0 ipv6 rip one enable ipv6 address 2000::1/64 interface s0/0/0 ipv6 address 2001::/64 eui - 64 ipv6 rip one enableARIPng will be enabled on no interfaces.BRIPng will be enabled on one interface.CRIPng will be enabled on two interfaces.DRIPng will advertise about prefixes connected to S0/0/0 and F0/0, but only send Updates on one interface.
单选题Router R1 exists in an Enterprise that uses EIGRP as its routing protocol. The show ip route command output on router R1 lists the following phrase: "Gateway of last resort is 1.1.1.1 to network 2.0.0.0". Whic h of the following is most likely to have caused this output to occur on R1?（）AR1 has been configured with an ip default- network 2.0.0.0 command.BR1 has been configured with an ip route 0.0.0.0 0.0.0.0 1.1.1.1 command.CR1 has been configured with an ip route 2.0.0.0 255.0.0.0 1.1.1.1 command.DAnother router has been configured with an ip default - network 2.0.0.0 command.EAnother router has been configured with an ip route 2.0.0.0 255.0.0.0 1.1.1.1 command.
单选题Router R1 has been configured with the redistribute ospf 1 route - map fred command under router eigrp 1. The route map named fred needs to be configured to match routes to d etermine which routes are redistributed into EIGRP. Which of the following answers lists an item that cannot be matched by route map fred?（）ASubnet numberBNext - hop router IP address of the routeCWhether the route is an E1 or E2 routeDThe ro ute's tagEThe number of router hops between the router and the subnet
单选题What is the most likely reason that an IBGP route that has been selected as a best route is not entered into the IP routing table?（）ARoute reflectors are not passing updates properly.BBGP synchronization has been enabled.CThe next-hop address is unreachable.DNo loopback interface has been configured on a router.