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$ i: V) T) H" l+ C8 o8 }參閱題庫版本：【2018.06.04】CCNP交换（300-115）题库V2.0最近正準備交換科目，一題一題看過並修正答案，供版主完善題庫與答案正確性。' j4 \0 T" F2 B$ D& W2 {8 T
8 [3 x/ o5 {" J3 M" IQUESTION 152 Interfaces are assigned to aVLAN, and then the VLAN is deleted. Which state are these interfaces in after theVLAN is deleted? A.They remain up, but they are reassigned to the default VLAN B.They go down until they are reassigned to a VLAN. C.They go down, but they are reassigned to the default VLAN. D.They remain up, but they are reassigned to the native VLAN. Correct Answer: A Section: part4 Explanation Explanation/Reference: ! b3 ?" N8 T! X+ A
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QUESTION 206 (補充圖片) Referto the exhibit. Based on the debug output, which three statements about HSRPare true? (Choose Three) A.The final active router is the router with IP address 172.16.11.111 B.The router with IP address 172.16.11.111 has preempt configured C.The priority of the router with IP address 172.16.11.112 is preferred over therouter with IP address 172.16.11.111 D.The IP address 172.16.11.115 is the virtual HSRP IP address E.The router with IP address 172.16.11.112 has nonpreempt configured F.The router with IP address 172.16.11.112 is using default HSRP priority. Correct Answer: ABD Section: part5 Explanation Explanation/Reference: 2 w, T; Y/ e. X9 N% F# o
+ v% u) t! F& Z/ v8 I7 |QUESTION 231 Interfaces are assigned to aVLAN, and then the VLAN is deleted. Which state are these interfaces in afterthe VLAN is deleted? A.They remain up, but they are reassigned to the default VLAN. B.They go down until they are reassigned to a VLAN C.They go down, but they are reassigned to the default VLAN D.They remain up, but they are reassigned to the native VLAN Correct Answer: A Section: part5 Explanation Explanation/Reference: - O8 \& W' ]# n. P9 @) H
QUESTION 232 WhichVTP mode is needed to configure an extended VLAN, when a switch is configuredto use VTP versions1 or 2? A.transparent B.client C.server D.Extended VLANs are only supported in version 3 and not in versions 1 or 2 Correct Answer: D Section: part5 Explanation Explanation/Reference:
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QUESTION 261 Ifall devices on an EtherChannel are sending traffic to a single MAC address,which two methods of load balancing on the EtherChannel are preferred? (Choosetwo.) A.destination-MAC B.src-dst-MAC C.destination-IP D.source-MAC E.source-IP Correct Answer: BD Section: part6 Explanation / P+ G' G) b5 J" \' n6 x$ C
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QUESTION 276 (補充圖片) Referto the exhibit. Which configuration on the HSRP neighboring device ensuresthat it becomes the active HSRP device in the event that port fa1/1 on Switch_Agoes down? A.Switch_B(config-if)#ip address 10.10.10.2 255.255.255.0 Switch_B(config-if)#standby 1 priority 200 Switch_B(config-if)#standby 1 preempt Switch_B(config-if)#standby 1 ip 10.10.10.10 Switch_B(config-if)#standby 1 trackinterface fa 1/1 B.Switch_B(config-if)#ip address 10.10.10.2 255.255.255.0 Switch_B(config-if)#standby 1 priority 200 Switch_B(config-if)#standby 1 ip 10.10.10.10 C.Switch_B(config-if)#ip address 10.10.10.2 255.255.255.0 Switch_B(config-if)#standby 1 priority 195 Switch_B(config-if)#standby 1 preempt Switch_B(config-if)#standby 1 ip 10.10.10.10 D.Switch_B(config-if)#ip address 10.10.10.2 255.255.255.0 Switch_B(config-if)#standby 1 priority 190 Switch_B(config-if)#standby 1 ip 10.10.10.10 Switch_B(config-if)#standby 1 trackinterface fa 1/1 Correct Answer: C Section: part6 Explanation Explanation/Reference:
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QUESTION 278 (補充圖片) Referto the exhibit. Three switches are configured for HSRP. Switch1 remains in theHSRP listen state. What is the most likely cause of this status? A.this is normal operation B.standby group number does not match VLAN number C.IP addressing is incorrect D.incorrect priority commands E.incorrect standby timers Correct Answer: A Section: part6 Explanation Explanation/Reference: ; y, T8 D: m! Y! m
QUESTION 325 Which two statements about CDPare true? (Choose two.) A.It can be disabled only at the interface level. B.Devices with Cisco Discovery Protocol configured send advertisement messages toa multicast address on a periodic basis C.It is disabled when switches have mismatched native VLANs. D.Devices with Cisco Discovery Protocol configured send advertisement messages toa broadcast address on a periodic basis. E.VTP relies on Cisco Discovery Protocol to carry VTP domain information Correct Answer: BE Section: part7 Explanation # Z* n$ h* G+ y2 S! A) P9 C
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QUESTION 348 (敘述僅B正確) Whichtwo settings are part of a Default LLDP configuration ?(Choose Two) A. The LLDP hold time is 60 seconds. B. The LLDP global state is Disabled. C. The LLDP reinitialisation delay is 5seconds. D. The LLDP interface state is Enabled. E. The LLDP timer is 60 seconds. Correct Answer: B Section: part7 Explanation 0 j- Z# m L6 V2 j7 b, Q
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QUESTION 360 Referto the exhibit . Which two statements about the network environment of theinterface that generated (Choosetwo) A.The configured VRRP priority of the interface is 120 B.The device on which the interface resides is acting as a standby router C.The Skew time .531 seconds D.The Configured VRRP Priority of the interface is 105 E.If the priority of another router is higher than the priority of the masterrouter, it becomes the master router Correct Answer: DE Section: part8 Explanation Explanation/Reference:
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QUESTION367 (圖左半部遺失) Referto the exhibit Ifswitch SW6 is operating VTP Server and the other devices have the sameconfiguration as SW4, which statementabout the VLANs network is True? A.Traffic on VLANs 1 through 9 is flooded to all switches in the network. B.VLANs 1 through 101 are operational on all switch trunks. C.VLANs 1 through 9 are pruned on the link between SW1 and SW4. D.VLANs 1 through 101 are pruned on the link between SW1 and SW2. CorrectAnswer: B Section:part8 Explanation Explanation/Reference:
: D( O% w/ P: wQUESTION 369 (敘述僅D正確) Whatis true about CDP? (Choose two) (OR)A question about which is true about CDP? (Choose two) A.disabled when native vlan mismatched B.can be disable on interface only C.send periodic broadcast D.Send periodic multicast Correct Answer: D Section: part8 Explanation Explanation/Reference:
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QUESTION 392 Whichtwo statements about extended-range VLANs are true? (Choose two.) A.Created in VTP server mode in VTP version 3. B.Created when switch is in VTP server mode. C.They support pruning. D.VTP version 3 stores extended-range VLAN in VLAN database. E.VTP version 1 and 2 stores extended-range VLAN in VLAN database. Correct Answer: AB Section: part8 Explanation Explanation/Reference: ) i/ a( ^+ a" G/ N0 A6 P
QUESTION 415 Whichtype of packet does DHCP snooping continuously check in a production network? A.DHCP Snooping B.DHCP Relay C.DHCP Request D.DHCP Acknowledge E.DHCP Reply F.DHCP Allow Correct Answer: D Section: part9 Explanation Explanation/Reference:
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0 J, t$ N9 ~7 K0 qQUESTION 449 Whichstatement is true about SPAN on a switch? A.It would double the source traffic. B.On every source port configured, there would be another port that can not beused normally. C.Hence source traffic........... Correct Answer: B Section: part9 Explanation Explanation/Reference:
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v2 ~. }9 I9 U% u2 Z6 _$ @QUESTION 453 Whichtwo statements about VLAN database is true? (Choose two.) A.It supports VLANs 1-1001. B.It supports extended VLAN. C.Information about VLANs are stored in the configuration D.It can have different VLANs with the same VLAN ID, but must have the same name. E. It can be configured in VTP transparent, but must be in the VLAN databasemode. Correct Answer: AE Section: part10 Explanation Explanation/Reference: " G( @8 h" s% |4 E c, J
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QUESTION 472 (選項A敘述修正與答案修正) Whichtwo restrictions of the port security feature are true? (Choose two.) A. It is supported on destination SPAN ports. B.It is not supported on EtherChannel port-channel interfaces. C.Static port MAC address assignments are not supported. D.A single device can learn a maximum of three stick MAC addresses. E.It is not supported on PVLAN ports. Correct Answer: BC Section: part10 Explanation Explanation/Reference:
9 J7 O' e) C% w9 a; ^QUESTION 480 Whichstatement about the default behavior of a Cisco switch MAC address table istrue? A.MAC addresses are not learned on extended VLANs. B.MAC addresses are aged out of the MAC table after 600 seconds C.MAC addresses are associated with a VLAN D.MAC address filtering is enabled on trunk ports. Correct Answer: C Section: part10 Explanation Explanation/Reference: I+ t: j. S* P. X8 w0 @0 B
QUESTION 483 Whichcommand can be used to block a frame with an unknown destination MAC addressfrom being forwarded out of an interface? A.switchport protected B.It is not forwarded if the destination MAC address is unknown C.switchport port-fast D.switchport block unicast Correct Answer: D Section: part10 Explanation Explanation/Reference: ( c. D! q7 G0 S9 v9 L
QUESTION484 Forwhich reason does an administrator disable MAC address learning within a VLAN? A.to configure a VLAN as an SVI B.to free up space in the MAC address table C.to implement port security D.to reduce flooding in the network CorrectAnswer: B Section:part10 Explanation Explanation/Reference:8 H) ^$ E8 ?3 I) n( @
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QUESTION485 Whichtwo statements about manually-configured LACP EtherChannels are true? (Choosetwo.) A.LACP negotiation must be disabled on both devices in the EtherChannel B.They require Cisco Discovery Protocol. C.Each physical port in the EtherChannel must have the same speed and duplexsettings. D.LACP negotiation must be disabled on one device in the EtherChannel. E.They use an MD5 hash for equal load balancing. F.If the physical port configurations on the two devices are different, the portsare placed into the errdisabledstate CorrectAnswer: CF Section:part10 Explanation Explanation/Reference: + X. V2 _( X6 n5 H
QUESTION 4982 t+ e0 ^; X, ]* p3 u3 f! K) t% o
Forwhich reason would you configure RSPAN instead of SPAN on your network? A.RSPAN provides more complete monitoring of the traffic on a single switch. B.Only RSPAN devices can monitor traffic on other device C.Only RSPAN can log traffic on a VLAN that spans multiple switches. D.Only RSPAN supports STP on multiple switches across a campus. Correct Answer: C Section: part10 Explanation Explanation/Reference:
: Y ]8 ^/ @, f }QUESTION 504 Whichconfiguration do you apply to an interface so that a host can be placed intoVLAN 593? A.interface GigabitEthernet0/0.593 encapsulationdot1q 593 switchportaccess vlan 593 B.interface GigabitEthernet0/0 switchporttrunk encapsulation dot1q switchporttrunk native vlan 593 switchportaccess vlan 593 C.interface GigabitEthernet0/0 switchportmode trunk switchporttrunk allowed vlan 593 D.interface GigabitEthernet0/0 switchportmode access switchportaccess vlan 593 switchport host Correct Answer: D Section: part11 Explanation Explanation/Reference:
9 K; W& t4 U" h, JQUESTION 552 Whichtwo statements about static MAC addresses are true? (Choose two.) A.They are configured without an aging time. B.They have a default aging time of 300 seconds. C.They supersede dynamically learned MAC address. D.They can be configured on multiple interfaces in the same VLAN. E.They have a default aging time of 60 seconds. Correct Answer: AC Section: part12 Explanation Explanation/Reference: 6 e& Z1 w# |# ?7 D/ i3 W; X, j% n
: P7 E/ q; N4 zQUESTION 561 Whichtwo statements about VRRP are true? (Choose two.) A. Preemption is not supported. B. It support clear text authentication only. C. It uses a shared VIP to support default gatewayredundancy. D. It requires each device in the group toparticipate in the same dynamic routing protocol. E. It can use a singlevirtual address to provide default gateways redundancy. Correct Answer: CE Section: part12 Explanation Explanation/Reference: 6 O/ h3 G+ A& r$ R$ _& ?( b- U
! w# F$ S- Y8 NQUESTION 597 (答案不在選項內) Howdo you recover from dot1x failure? A.recover violation B.psecure Correct Answer: security violation Section: part12 Explanation Explanation/Reference:
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