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

第1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.

第2题：

Examine the following excerpt from the show ip eigrp topology 10.2.2.0/24 command on router R1.Which answer can be verified as definitely true based on this output?（） External data: Originating router is 10.1.1.1 AS number of route is 1 External protocol is OSPF, external metric is 64 Administrator tag is 0 (0x00000000)

• A、R1 is the router that redistributed the route
• B、R1's metric to reach subnet 10.2.2.0/24 is 64
• C、The route was redistributed on a router that has a router ospf 1 command configured
• D、R1 is redistributing a route to prefix 1 0.2.2.0/24 into OSPF

第3题：

The following output occurs on Router R1 , which runs both EIGRP for IPv6 and OSPFv3, with redistribution from EIGRP into OSPF configured with the redistribute eigrp 1 metric 25 command. Interface S0/0/1 has been enabled for EIGRP ASN 1. Which of the following should be true of redistribution in this case?（） D 2000::/64 [90/1422516] via FE80::213:19FF:FE7B:5026, Serial0/0/ 1 C 2000:0:0:1::/64 [0/0] via Serial0/0/1, directly connected L 2000::1:213:19FF:FE7B:5004/128 [0/0] via Serial0/0/1, receive

• A、Route 2000::/64 will be redistributed.
• B、Route 2 000:0:0:1::/64 will be redistributed.
• C、Route 2000:1:213:19FF:FE7B:5004/128 will be redistributed.
• D、No routes will be redistributed because of the omission of the subnets parameter of the redistribute command.

第4题：

Router R1 connects to Router R2 over an Ethernet LAN with both routers using their F0/0 interfaces. R1 learns a route from R2 using EIGRP f or IPv6. That route lists F0/0 as the outgoing interface with R2 as the next hop. The configuration excerpt shows all relevant configuration on R2's F0/0 interface. Which of the following is true about R1's route?（） interface f0/0 mac - address 1111.1111.1 111 ipv6 address 2000::/64 eui - 64 ipv6 address 2001::1/64

• A、The next hop is 2000::1311:11FF:FE11:1111
• B、The next hop is FE80::1311:11FF:FE11:1111
• C、The next hop is FE80::5111:11FF:FE11:1111
• D、The next hop is 2001::1

第5题：

Router R1 has working interfaces S0/0, S0/1, and S0/2, with IP address/prefix combinations of 10.10.10.1/24, 10.10.11.2/24, and 10.10.12.3/22. R1's configuration includes the command s router eigrp 9 and network 10.0.0.0. The show ip eigrp interfaces command lists S0/0 and S0/1 in the command output, but not S0/2. Which answer gives the reason for the omission？（）

• A、R1 has EIGRP neighbors reachable via S0/0 and  S0/1, but not via S0/2, so it is not included.
• B、S0/2 may currently be in a state other than up/up.
• C、The network 10.0.0.0 command requires the use of mask 255.0.0.0 due to EIGRP being classful by default.
• D、S0/2 may be configured as a passive inter face.

第6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?（）

• 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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第13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

第14题：

Router R1 currently has no configuration related to IPv6 or IPv4. The following configuration exis ts in a planning document intended to be used to copy/paste into Router R1 to enable EIGRP for IPv6 on interfaces F0/0 and S0/0/0. No other related configuration exists. Assuming F0/0 and S0/0/0 reach an up/up state, which of the following is true about EIGRP for IPv6 on R1 after this configuration has been pasted into R1?（） ipv6 router eigrp 1 ipv6 unicast- routing interface f0/0 ipv6 address 2000::1/64 ipv6 eigrp 1 interface s0/0/0 ipv6 address 2001::/64 eui - 64 ipv6 eigrp 1

• A、EIGRP works on F0/0 and S0/0/0 without further configuration
• B、EIGRP works with the addition of one command: a no shutdown command in EIGRP router configuration modE
• C、EIGRP works with the addition of one command: an eigrp router - id command in EIGRP router configurat ion modE
• D、EIGRP for IPv6 needs at least two more configuration commands before it works on R1

第15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 enable

• A、RIPng will be enabled on no interfaces.
• B、RIPng will be enabled on one interface.
• C、RIPng will  be enabled on two interfaces.
• D、RIPng will advertise about prefixes connected to S0/0/0 and F0/0, but only send Updates on one interface.

第16题：

Which three route filtering statements are true?（）

• A、After the router ospf 10  and passive - interface s0/0 commands have been issued , the s0/0 interface will not send any OSPF updates, but will receive routing updates on that interface
• B、When you use the passive - interface command with RIPv2, multicasts are sent out the specified interface
• C、After the router rip and passive -interface s0/0 commands have been issued, the s0/0 interface will not send any RIP updates, but will receive routing updates on that interface
• D、When you use the passive - interface command with EIGRP, hel lo messages are not sent out the specified interface
• E、After the router eigrp 10 and passive - interface s0/0 commands have been issued, the s0/0 interface will not send any EIGRP updates, but will receive routing updates on that interface
• F、When you use the passive - interface command with OSPF, hello messages are not sent out the specified interface

第17题：

Router R1 use s MAC address 1111.1111.1111 for its Fa0/0 interface. An engineer sees the following configuration in the output of a show running - config command. Then, the engineer issues a show ipv6 interface brief command. What global unicast IPv6 address does this c ommand display for interface tunnel 1?（） interface loopback 1 ip address 192.168.1.1 255.255.255.255 interface tunnel 1 tunnel source loopback 1 tunnel destination 192.168.1.2 tunnel mode ipv6ip isatap ipv6 address 2000::/64 eui - 64

• A、2000::1311:11F F:FE11:1111
• B、2000::C0A5:101
• C、2000:C0A5:101::
• D、2000::5EFE:C0A5:101

第18题：

Examine the following configuration on Router R1. R1's show ip route 172.16.4.1 command list s a route with outgoing interface S0/1/1. Host 172.16.3.3 uses telnet to connect to host 172.16.4.1.What will Router R1 do with the packets generated by host 172.16.3.3 because of the telnet,assuming the packets enter R1's F0/0 interface?（） interface Fastethernet 0/0 ip address 172.16.1.1 255.255.255.0 ip policy route - map Q2 ! route - map Q2 permit match ip address 101 set interface s0/0/1 ! access - list 101 permit tcp host 172.16.3.3 172.16.4.0 0.0.0.255

• A、The packet will be forwarded out S0/0 /1, or not at all.
• B、The packet will be forwarded out S0/0/1 if it is up.
• C、The packet will be forwarded out S0/1/1 if it is up.
• D、The packet will be forwarded out S0/1/1 if it is up, or if it is not up, out s0/0/1.
• E、The packet will be forwarded o ut S0/0/1 if it is up, or if it is not up, out s0/1/1.

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