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Policy -Based Routing (PBR) has been enabled on Router R1's

题目
多选题
Policy -Based Routing (PBR) has been enabled on Router R1's interfa ce F0/0. Which of the following is true regarding how PBR works?（）
A

Packets entering F0/0 will be compared based on the PBR route map.

B

Packets exiting F0/0 will be compared based on the PBR route map.

C

IOS ignores the PBR forwarding directions wh en the packet matches a route map deny clause.

D

IOS ignores the PBR forwarding directions when the packet matches a route map permit clause.

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相似问题和答案

第1题：

Based on the exhibited output, which three statements are true?()

A. The route to 10.2.0.0/16 was redistributed into EIGRP.

B. A default route has been redistributed into the EIGRP autonomous system.

C. R1 is configured with the ip summary - address command.

D. R1 is sourcing a n external EIGRP route from Null0.

E. The router at 10.1.1.2 is configured with the ip default - network 0.0.0.0 command.

F. R1 is configured with the variance command.


参考答案：B, C, F

第2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?（）

  • A、Route reflectors are not passing updates properly.
  • B、BGP synchronization has been enabled.
  • C、The next-hop address is unreachable.
  • D、No loopback interface has been configured on a router.

正确答案:B

第3题：

The following output on Router R1 lists details of a BGP route for 190.1.0.0/16. Which of the following is true based on this output?（）R1 show ip bgp 19 0.1.0.0/16BGP routing table entry for 190.1.0.0/16, version 121Paths: (1 available, best 1, table Default - IP - Routing - Table)Advertised to update - groups:11 2 3 41.1.1.1 from 2.2.2.2 (3.3.3.3)Origin IGP, metric 0, localpref 100, valid, internal, best

A. R1 has a neighbor 1.1.1.1 command configured.

B. R1 has a neighbor 2.2.2.2 command configured.

C. The show ip bgp command lists a line for 190.1.0.0/16 with both an ">" and an "i" on the left.

D. R1 is in ASN 1.


参考答案：B, C

第4题：

A switch has been configured with two vlans and is connected to a router with a trunk for inter-vlan routing.OSPF has been configured on the router，as the routing protocol for the network.Which statement about thisnetwork is true？（）

  • A、For the two vlans to communicate，a network statement for the trunk interface needs to be added to the  OSPF configuration.
  • B、For the two vlans to communicate， a network statement for each subinterface needs to be  added  to the OSPF configuration.
  • C、Direct inter-vlan communication does not require OSPF
  • D、OSPF cannot be used if router-on-a-stick is configured on the router

正确答案:C

第5题：

When policy - based routing (PBR) is being configured, which three criteria can the set command specify?（）

  • A、all interfaces in the path toward the destination
  • B、all networks in the path toward the destination
  • C、adjacent next hop router in the path toward the destination
  • D、all routers in the path toward the destination
  • E、all interfaces through which the packets can be routed
  • F、type of service and precedence in the IP packets

正确答案:C,E,F

第6题：

Refer to the exhibit. EIGRP has been configured on routers R1 and R2. However, R1 does not show R2 as a neighbor and does not accept routing updates from R2.What could be the cause of the problem?()

A. The no auto - summary command has not been issued under the EIGRP process on both routers.

B. Interface E0 on router R1 has not been configured with a secondary IP address of 10.1.2.1/24.

C. EIGRP cannot exchange routing updates with a neighbor‘s router interface that is configured with tw o IP addresses.

D. EIGRP cannot form neighbor relationship and exchange routing updates with a secondary address.


参考答案：D

第7题：

Which of the following is the most effective technique to prevent source IPAddress spoofing？（）

  • A、 policy based routing （PBR）
  • B、 unicast reverse path forwarding （uRPF）
  • C、 lock and keyACL
  • D、 RFC 1918filtering
  • E、 IP source routing

正确答案:B

第8题：

When policy － based routing (PBR) is being configured, which three criteria can the set command specify?()

A. all interfaces in the path toward the destination

B. all networks in the path toward the destination

C. adjacent next hop router in the path toward the destination

D. all routers in the path toward the destination

E. all interfaces through which the packets can be routed

F. type of service and precedence in the IP packets


参考答案：C, E, F

第9题：

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.

正确答案:B

第10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.

正确答案:B

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