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You want to allow Router R1 to immediately become the active router if its priority is highest than the active router fails. What command would you use if you wanted to configure this？ （）
A . en standby preempt
B . standby preempt enable
C . standby preempt
D . hot standby preempt
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Refer to the exhibit. MPLS has been enabled on router PE11. Which of these statements is correct regarding the output display shown in the exhibit? （）https://assets.asklib.com/images/image2/2018073114120422979.jpg
A . CEF switching is not needed for MPLS operation.
B . CEF switching is only needed to forward labeled packets.
C . CEF switching is needed on both ingress and egress interfaces on which MPLS is enabled.
D . Interface-level CEF switching is needed only on egress interfaces that are sending IP packets on which the egress LSR performs the label imposition process.
E . Interface-level CEF switching is needed only on ingress interfaces that are receiving IP packets on which the ingress LSR performs the label imposition process.
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You have configured router R1 with HSRP， using the standard defaults. Which three statements are true of a default HSRP configuration？（）
A . The Standby hello time is 2 seconds.
B . Two HSRP groups are configured.
C . The Standby track interface priority is 10.
D . The Standby hold time is 10 seconds
E . The Standby priority is 100.
F . The Standby delay is 3 seconds.
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Routers R1 and R2 use HSRP so that one router will back up the other should there be a failure. Which two statements are true about the Hot Standby Router Protocol （HSRP）？ （）
A . Load sharing with HSRP is achieved by creating multiple subinterfaces on the HSRP routers.
B . Routers configured for HSRP can belong to multiple groups and multiple VLANs.
C . Load sharing with HSRP is achieved by creating HSRP groups on the HSRP routers.
D . All routers configured for HSRP load balancing must be configured with the same priority.
E . Routers configured for HSRP must belong to only one group per HSRP interface.
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If the router R1 has a packet with a destination address 192.168.1.255, what describes the operation of the network（）。
A . R1 will forward the packet out all interfaces.
B . R1 will drop this packet because this it is not a valid IP address.
C . As R1 forwards the frame containing this packet, Sw-A will add 192.168.1.255 to its MAC table.
D . R1 will encapsulate the packet in a frame with a destination MAC address of FF-FF-FF-FF-FF-FF
E . As R1 forwards the frame containing this packet, Sw-A will forward it to the device assigned the IP address of 192.168.1.255.
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Which series of commands will configure router R1 for LAN-to-LAN communication with router R2？ The enterprise network address is 192.1.1.0/24 and the routing protocol in use is RIP.（）https://assets.asklib.com/images/image2/2018072315342863428.jpg
A . R1（config）# interface ethernet 0；R1（config-if）# ip address 192.1.1.129 255.255.255.192；R1（config-if）# no shutdown
B . R1（config）# interface ethernet 0；R1（config-if）# ip address 192.1.1.97 255.255.255.192；R1（config-if）# no shutdown
C . R1（config）# interface serial 0；R1（config-if）# ip address 192.1.1.4 255.255.255.252；R1（config-if）# clock rate 56000
D . R1（config）# interface serial 0；R1（config-if）# ip address 192.1.1.6 255.255.255.252；R1（config-if）# no shutdown
E . R1（config）# router rip；R1（config-router）# network 192.1.1.4；R1（config-router）# network 192.1.1.128
F . R1（config）# router rip；R1（config-router）# version 2；R1（config-router）# network 192.1.1.0
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Router R1 has two LAN interfaces and three serial interfaces enabled for IPv6. All the inte rfaces use link local addresses automatically generated by the router. Which of the following could be the link local address of R1's interface S0/0?（）
A . FEA0::200:FF:FE11:0
B . FE80::200:FF:FE11:1111
C . FE80::0213:19FF:FE7B:0:1
D . FEB0::211:11FF:FE11: 1111
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What is the purpose of configuring router R1 with the "IP Helper address" command？（）
A . IP Helper is used to direct BOOTP clients to a BOOTP server
B . IP Helper is used to prevent the router form forwarding IP broadcasts
C . IP Helper is used to allow IPX clients to communicate with IP-based servers
D . IP Helper is used to accommodate compatibility routers using different IP routing protocols
E . None of the other alternatives apply
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Which command can be used on a PE router to connect to a CE router （11.1.1.4） in VRF red？（）
A . telnet 11.1.1.4 /vrf-source red
B . telnet 11.1.1.4 source /vrf red
C . telnet 11.1.1.4 /source vrf red
D . telnet 11.1.1.4 /vrf red
E . telnet 11.1.1.4 vrf red
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Router R1 connects to a Frame Relay cloud using a multipoint subinterface, with ten PVCs associated with the subinterface. What command would make this router not use a DR, and dynamically discover OSPF neighbors?（）
A . ip ospf network broadcast
B . ip ospf network non - broadcast
C . ip ospf network point - to - multipoint
D . ip ospf network point - to - multipoint non - broadcast
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R1 in ASN 1 with loopback1 address 1.1.1.1 needs to be configured with an iBGP connection to R2 with loopback2 IP address 2.2.2.2. The connection should use the loopbacks. Which o f the following commands is required on R1?（）
A . neighbor 1.1.1.1 remote- as 1
B . neighbor 2.2.2.2 remote- as 2
C . neighbor 2.2.2.2 update - source loopback1
D . neighbor 2.2.2.2 ibgp -multihop 2
E . neighbor 2.2.2.2 ibgp - mode
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请问以下配置中，R1的OSPF路由器ID是什么（） R1（config）#interface s0/0/0 R1（config-if）#ip add 192.168.2.1 255.255.255.252 R1（config）#int loopback 0 R1（config-if）# ip add 10.1.1.1 255.255.255.255 R1（config）#router ospf 1 R1（config-if）#network 192.168.2.0 0.0.3.255 area 0
A . 192.168.2.1
B . 10.1.1.1
C . 192.168.2.0
D . 255.255.255.255
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Router R1 is configured for HSRP. Which of the following are valid HSRP states on R1？ （）
A . Init
B . Idle
C . Active
D . Standby
E . Established
F . Backu
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Refer to the exhibit. Router R1 is connected to networks 172.1 6.1.0 /26 and 172.16.1.64 /27. On the basis of the partial output in the exhibit, which statement is true? （）https://assets.asklib.com/images/image2/2018073010540810068.jpg
A . Router R1 will deny the 172.16.1.0/26 route while permitting the 172.16.1.64/27 route to be advertised.
B . Router R1 will advertise both rou tes.
C . Router R1 should be reconfigured with an ACL instead of an ip prefix - list command.
D . Router R1 will deny the 172.16.1.0/27 route while permitting the 172.16.1.0/26 route to be advertised.
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Refer to the exhibit. What statement is true based upon the configuration of router R1 and router R2？（）https://assets.asklib.com/images/image2/2018073015422145313.jpg
A . Router R2 will become the master for Virtual Router 1， and router R1 will become the backup for Virtual Router 2.
B . Router R1 will become the master for Virtual Router 1， and router R2 will become the backup for Virtual Router 2.
C . Router R1 will become the active virtual gateway.
D . Router R2 will become the active virtual gateway.
E . The hello and hold timers are incompatible with OSPF type 5 LSAs.
F . The hello and hold timers are incompatible with multi-homed BGP.
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Router R1 has the following configuration. Assuming R1‘s F0/0 interface has a MAC address of 0200.0011.1111, what IPv6 addresses will R1 list for interface F0/0 in the output of the show ipv6 interface brief command？（）interface f0/0ipv6 address 2345:0:0:8::1/64
A. 2345:0:0:8::1
B. 2345:0:0:8:0:FF:FE11:1111
C. FE80::8:0:FF:FE11:1111
D. FE80:0:0:8::1
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Refer to the exhibit. EIGRP is configured with the default configuration on all routers. Auto summariz ation is enabled on routers R2 and R3, but it is disabled on router R1.Which two EIGRP routes will be seen in the routing table of router R3？（）
<img src='https://img2.soutiyun.com/ask/uploadfile/2019-03-27/c0432bed5e96b27cf201162a3a16be20.png' />
A. 10.0.0.0/8
B. 172.16.10.0/24
C. 172.16.0.0/24
D. 10.10.10.0/24
E. 172.16.0.0/16
F. 10.10.0.0/16
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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 OSPFv3 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 OSPFv3 on R1 after this configuration has been pasted into R1？（）ipv6 router ospf 1ipv6 unicast- routinginterface f0/0ipv6 address 2000 ::1/64ipv6 ospf 1 area 1interface s0/0/0ipv6 address 2001::/64 eui - 64ipv6 ospf 1 area 0
A. OSPF works on F0/0 and S0/0/0 without further configuration
B. OSPF works with the addition of one command: a no shutdown command in OSPF router configur ation modE
C. OSPF works with the addition of one command: an router - id command in OSPF router configuration modE
D. OSPFv3 needs at least two more configuration commands before it works on R1
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Router R1 lists 4 routes for subnet 10.1.1.0/24 in the output of the show ip eigrp topology all - links command. The variance 200 command is configured, but no other related commands are configured. Which of the following rules are true regarding R1‘s decision of what r outes to add to the IP routing table？Note that RD refers to reported distance and FD to feasible distanc E.（）
A. Adds all routes for which the metric is ＜= 200 * the best metric among all routes
B. Adds all routes because of the ridiculously high variance setting
C. Adds all successor and feasible successor routes
D. Adds all successor and feasible successor routes for which the metric is＜=200 * the best metric among all routes
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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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The following output, taken from a show ip bgp command on Router R1, lists two neighbors. In what BGP neighbor state is neighbor 1.1.1.1？（）Neighbor V AS MsgRcvd MsgSent TblVer InQ OutQ Up/DownState/PfxRcd1.1.1.1 4 1 60 61 26 0 0 00:45:0102.2.2.2 4 3 153 159 26 0 0 00:38:131
A. Idle
B. Opensent
C. Active
D. Established
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根据网络拓扑和需求说明，完成（或解释)路由器R1的配置。 Router（config) ipv6 unicast-routing（3)
根据网络拓扑和需求说明，完成(或解释)路由器R1的配置。
Router(config) ipv6 unicast-routing (3)
Rl(config) interface Serial 1/0
R1(config-io (4) address (5) (6) (设置串口地址)
R1(config-if)no shutdown (开启串口)
R1(config)interface FastEthemet0/0
R1(config-if) (7) address (8) (设置以太口地址)
R1(config-if)exit
（3）
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Router R1 learns two routes with BGP for prefix 200.1.0.0/16. Comparing the two routes, route 1 has a shorter AS_Path Length, smaller MED, the same Weight, and smaller Local PreferencE.Which of the following is true about Router R1‘s choice of best path for this prefix？（）
A. Route 1 is the best route.
B. Route 2 is the best route.
C. The routes tie as best, but one will be picked to be placed in the routing table based on tiebreakers .
D. Neither route is considered best.
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Refer to the exhibit. EIGRP had converged in AS 1 when the link between router R1 and R2 went down. The console on router R2 generated the following messages:*Mar 20 12:12:06: %DUAL - 5NBRCHANG E: IP - EIGRP 1: Neighbor 10.1.4.3 (Serial0) is down: stuck in active*Mar 20 12:15:23: %DUAL -3- SIA: Route 10.1.1.0/24 stuck - in - active state in IP - EIGRP 1.Cleaning up The network administrator issued the show ip eigrp topology active command on R2 to check the status of the EIGRP network.Which statement best describes the reason for the error messages？（）
<img src='https://img2.soutiyun.com/shangxueba/ask/64335001-64338000/64337716/48ae99ce89919b8ea814d8bd8606dee0.jpg' />
A. Incorrect bandwidth configuration on router R3 prevents R2 from establishing neighbor adjacency.
B. Incorrect bandwidth configuration on router R 5 prevents R2 from establishing neighbor adjacency.
C. Router R3 did not reply to the query about network 10.1.1.0/24 sent by router R2 .
D. Router R5 did not reply to the query about network 10.1.1.0/24 sent by router R2 .
