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.
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.
相关考题：
Which two statements are true regarding routing policy processing?() A. The Junos OS verifies the match criteria of each policy in order and performs the associated action when a match occurs.B. Policies are evaluated from right to left as displayed in the Junos OS configuration file.C. Polices are evaluated based on the order in which they are applied to a routing protocol.D. Policy processing stops once the last statement in the policy is evaluated.
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, bestA. 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.
Router R1 has a connected route for 10.1.1.0/24 off interface Fa0/0. Interface Fa0/0 has been enabled for OSPF due to a router ospf 1 and network 10.0.0.0 0.0.0.255 area 0 command. R1 also has EIGRP configured, with the redistribute ospf 1 metric 1000 100 10 1 1500 command configured under EIGRP.Which one of the following is true?（）A. R1 will not redistribute 10.1.1.0/24 into EIGRP, because R1 knows it as a connected route and not as an OSPF route.B. For any OS PF routes redistributed into EIGRP, the metric components includea value equivalent to 1 Mbps of bandwidth.C. For any OSPF routes redistributed into EIGRP, the metric components include a value equivalent to 100 microseconds of delay.D. No subnets of network 10.0.0.0 will be redistributed due to the omission of the subnets parameter.
When policy － based routing (PBR) is being configured, which three criteria can the set command specify?() A. all interfaces in the path toward the destinationB. all networks in the path toward the destinationC. adjacent next hop router in the path toward the destinationD. all routers in the path toward the destinationE. all interfaces through which the packets can be routedF. type of service and precedence in the IP packets
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.
Router R1 has a connected route for 10.1.1.0/24 off interface Fa0/0. Interface Fa0/0 has been enabled for OSPF due to a router ospf 1 and network 10.0.0.0 0.0.0.255 area 0 command. R1 also has EIGRP configured, with the redistribute ospf 1 metric 1000 100 10 1 1500 command configured under EIGRP. Which one of the following is true?（）A、R1 will not redistribute 10.1.1.0/24 into EIGRP, because R1 knows it as a connected route and not as an OSPF route.B、For any OS PF routes redistributed into EIGRP, the metric components includea value equivalent to 1 Mbps of bandwidth.C、For any OSPF routes redistributed into EIGRP, the metric components include a value equivalent to 100 microseconds of delay.D、No subnets of network 10.0.0.0 will be redistributed due to the omission of the subnets parameter.
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 keyACLD、 RFC 1918filteringE、 IP source routing
When policy - based routing (PBR) is being configured, which three criteria can the set command specify?（）A、all interfaces in the path toward the destinationB、all networks in the path toward the destinationC、adjacent next hop router in the path toward the destinationD、all routers in the path toward the destinationE、all interfaces through which the packets can be routedF、type of service and precedence in the IP packets
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.
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.
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 routeB、R1's metric to reach subnet 10.2.2.0/24 is 64C、The route was redistributed on a router that has a router ospf 1 command configuredD、R1 is redistributing a route to prefix 1 0.2.2.0/24 into OSPF
The following output occurs on Router R2. Which of the following statements can be confirmed as true based on the output from R2?（） R2# show ip policy Interface Route map Fa0/0 RM1 Fa0/1 RM2 S0/0/0 RM3A、R2 will forward all packets that enter Fa0/0 per the PBR configuration.B、R2 will use route map RM2 when determining how to forward packets that exit interface Fa0/1.C、R2 will consider using PBR for all packets exiting S0/0 /0 per route map RM3.D、R2 will consider using PBR for all packets entering S0/0/0 per route map RM3.
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 1A、EIGRP works on F0/0 and S0/0/0 without further configurationB、EIGRP works with the addition of one command: a no shutdown command in EIGRP router configuration modEC、EIGRP works with the addition of one command: an eigrp router - id command in EIGRP router configurat ion modED、EIGRP for IPv6 needs at least two more configuration commands before it works on R1
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 enableA、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.
A network planning diagram shows a large internetwork with many routers. The configurations show that OSPF has been enabled on all interfaces, I P addresses correctly configured, and OSPF workinG. For which of the following cases would you expect a router to create and flood a Type 2 LSA?（）A、When OSPF is enabled on a LAN interface, and the router is the only router connected to the subnet.B、 When OSPF is enabled on a point - to -point serial link, and that router has both the higher router ID and higher interface IP address on the link.C、When OSPF is enabled on a Frame Relay point - to - point subinterface, has the lower RID and lower subinterfa ce IP address, and otherwise uses default OSPF configuration on the interface.D、When OSPF is enabled on a working LAN interface on a router, and the router has been elected BDR.E、None of the other answers is correct.
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 190.1.0.0/16 BGP routing table entry for 190.1.0.0/16, version 121 Paths: (1 available, best #1, table Default - IP - Routing - Table) Advertised to update - groups: 1 1 2 3 4 1.1.1.1 from 2.2.2.2 (3.3.3.3) Origin IGP, metric 0, localpref 100, valid, internal, bestA、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 a n and an i on the left.D、R1 is in ASN 1.
The following line of output was gathered on Enterprise Router Ent1 using the command show ip route. Which of the following answers is most likely to be true, based on thi s output？（） B 128.107.0.0 [20/10] via 11.11.11.11, 00:02:18A、This router has set the Weight of this route to 10.B、This router's BGP table lists this route as an iBGP route.C、This router's MED has been set to 10.D、This router's BGP table lists an AS_Path length of 10 for this route.
Router R1 learns two routes with BGP for prefix 200.1.0.0/16. Comparing the two routes, route 1 has a longer AS_Path Length, bigger MED, bigger Weight, and smaller Loca l 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.
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.
Which two statements are true regarding routing policy processing?（）A、The Junos OS verifies the match criteria of each policy in order and performs the associated action when a match occurs.B、Policies are evaluated from right to left as displayed in the Junos OS configuration file.C、Polices are evaluated based on the order in which they are applied to a routing protocol.D、Policy processing stops once the last statement in the policy is evaluated.
单选题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 keyACLD RFC 1918filteringE IP source routing
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The following line of output was gathered on Enterprise Router Ent1 using the command show ip route. Which of the following answers is most likely to be true, based on thi s output？（） B 128.107.0.0 [20/10] via 11.11.11.11, 00:02:18AThis router has set the Weight of this route to 10.BThis router's BGP table lists this route as an iBGP route.CThis router's MED has been set to 10.DThis router's BGP table lists an AS_Path length of 10 for this route.
多选题When policy - based routing (PBR) is being configured, which three criteria can the set command specify?（）Aall interfaces in the path toward the destinationBall networks in the path toward the destinationCadjacent next hop router in the path toward the destinationDall routers in the path toward the destinationEall interfaces through which the packets can be routedFtype of service and precedence in the IP packets
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?（）APackets entering F0/0 will be compared based on the PBR route map.BPackets exiting F0/0 will be compared based on the PBR route map.CIOS ignores the PBR forwarding directions wh en the packet matches a route map deny clause.DIOS ignores the PBR forwarding directions when the packet matches a route map permit clause.
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.
多选题Which two statements are true regarding routing policy processing?（）AThe Junos OS verifies the match criteria of each policy in order and performs the associated action when a match occurs.BPolicies are evaluated from right to left as displayed in the Junos OS configuration file.CPolices are evaluated based on the order in which they are applied to a routing protocol.DPolicy processing stops once the last statement in the policy is evaluated.