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シスコ300-410試験は、エンタープライズネットワークにおける高度なルーティング技術とサービスの実装とトラブルシューティングに必要な知識とスキルを検証する認定試験です。この試験は、シスコ認定スペシャリスト-エンタープライズ上級インフラストラクチャの実装の一部であり、エンタープライズネットワーキングの経験を持つネットワークプロフェッショナルを対象としています。
質問 # 341
Which Catalyst 6500 feature provides network-security enforcement based on Layer 2, Layer 3, and Layer 4 information on a VLAN?
- A. 802.1X
- B. SPAN
- C. VACL
- D. NAM
正解：C
解説：
VLAN access control lists (VACLs) provide network-security enforcement based on Layer 2, Layer 3, and Layer
4 information on a VLAN.
VACLs can be used to provide security based on MAC address, source and destination IP address, Layer 4 protocols, or port numbers. The VACL will act on all traffic of a select VLAN whether bridged or switched. The actions performed on a packet can include permit, redirect, or deny. The VACL entries are checked in sequence, which is similar in concept to route-map structures. The following procedure is used to create VACLs:
Define a VLAN access map:
switch(config)# vlan access-map name [seq#]
Configure a match clause:
switch(config-access-map)# match {ip address {1-99 | 1300-2699 | acl_name} | mac address acl_name} Configure an action clause:
switch(config-access-map)# action {drop | forward | redirect}
Apply the map to a VLAN:
switch(config)# vlan filter map_name vlan-list list
Once created, you should verify the VACLs using the following commands:
switch# show vlan access-map map_name
switch# show vlan filter
In the sample configuration shown below, all VLAN traffic in VLANS 1 through 3 that match access list SAFE will be forwarded. All other traffic will be dropped.
switch(config)# vlan access-map cisco 10
switch(config-access-map)# match ip-address SAFE
switch(config-access-map)# action forward
switch(config)# vlan filter cisco vlan-list 1-3
If access list cisco were configured as shown below, for example, traffic with a source address of 172.16.10.8 would be dropped.
Switch# show ip access-list cisco 10
Extended ip access list cisco 10
10 permit 10.0.0.0 255.255.255.0 any
Objective:
Infrastructure Security
Sub-Objective:
Configure and verify switch security features
References:
Cisco > Home > Support > Product Support > End-of-Sale and End-of-Life Products > Cisco Catalyst 6000 Series Switches > Configure > Configuration Examples and Technotes > Securing Networks with Private VLANs and VLAN Access Control Lists Cisco > Cisco IOS LAN Switching Command Reference > vlan access-map Cisco > Cisco IOS LAN Switching Command Reference > match (vlan access-map)
質問 # 342
Refer to the exhibit.
An engineer configures two ASBRs 10 4 17.6 and 10 4 15 5 in an OSPF network to redistribute routes from EIGRP However, both ASBRs show the EIGRP routes as equal costs even though the next-hop router 10 4 17
6 is closer to R1 How should the network traffic to the EIGRP prefixes be sent via 10 4.17.6?
- A. The administrative distance should be raised to 120 from the ASBR 104.17.6
- B. The redistributed prefixes should be advertised as Type 1.
- C. The administrative distance should be raised to 120 from the ASBR 10.4.15 5.
- D. The administrative distance should be raised to 120 from the ASBR 104 17 6
- E. The admitstrative distance should be raised to 120 from the ASBR 104 15.5.
- F. The ASBR 10 4 17 6 should assign a tag to match and assign a tower metnc on R1
- G. The redistributed prefixes should be advertised as Type 1
- H. The ASBR 10 4 17 6 should assign a tag to match and assign a lower metnc on R1
正解：G
質問 # 343
Refer to the exhibit.
The network administrator configured redistribution on an ASBR to reach to all WAN networks but failed Which action resolves the issue?
- A. The OSPF process must have a metric when redistributing prefixes from EIGRP.
- B. The route map EIGRP->OSPF must have the 10.0.106.0/24 entry to exist in one of the three prefix lists to pass
- C. EIGRP must redistribute the 10.0.106.0/24 route instead of using the network statement
- D. The route map must have the keyword prefix-list to evaluate the prefix list entries
正解：D
解説：
Explanation
In order to use a prefix-list in a route-map, we must use the keyword "prefix-list" in the "match" statement. . For example:
match ip address prefix-list WAN_PREFIXES
Without this keyword, the router will try to find an access-list with the same name instead.
質問 # 344
Refer to the exhibit. R2 has two paths to reach 192.168.13.0/24. but traffic is sent only through R3. Which action allows traffic to use both paths?
- A. Configure the variance 4 command under the EIGRP process on R2.
- B. Configure the bandwidth 2000 command under interface FastEthernet0/0 on R2.
- C. Configure the delay 1 command under interface FastEthernet0/0 on R2.
正解：A
解説：
d. Configure the variance 2 command under the EIGRP process on R2
質問 # 345
Refer to Exhibit.
A network administrator added one router in the Cisco DNA Center and checked its discovery and health from the Network Health Dashboard. The network administrator observed that the router is still showing up as unmonitored. What must be configured on the router to mount it in the Cisco DNA Center?
- A. Configure router with NetFlow data
- B. Configure router with the telemetry data
- C. Configure router with routing to reach Cisco DNA Center
- D. Configure router with SNMPv2c or SNMPv3 traps
正解：B
解説：
Unmonitored: Unmonitored devices are devices for which Assurance did not receive any telemetry data during the specified time range.
質問 # 346
Refer to the exhibit.
The administrator successfully logs into R1 but cannot access privileged mode commands. What should be configured to resolve the issue?
- A. aaa authorization reverse-access
- B. secret cisco123! at the end of the username command instead of password cisco123!
- C. enable secret or enable password commands to enter into privileged mode
- D. matching password on vty lines as cisco123!
正解：C
質問 # 347
Refer to the exhibit.
An engineer applies a prefix-list filter that filters most of the network 10 prefixes instead of allowing them. Which action resolves the issue?
- A. Modify the command Modify the Ip prefix-list ElGRP seq 10 permit 10.0.0.0/8 le 32 command.
- B. Modify the ip prefix-list ElGRP seq 10 permit 10.0.0.0/8 le 9 command.
- C. Modify the ip prefix-list ElGRP seq 20 permit 10.0.0.0/8 ge 9 command
- D. Modify the Ip prefix-list ElGRP seq 20 permit 0.0.0.0/0 le 32 command.
正解：D
質問 # 348
Exhibit:
BGP is flapping after the Copp policy is applied. What are the two solutions to fix the issue?
(Choose two)
- A. Configure IP CEF to CoPP policy and BGP to work
- B. Configure a higher value for CIR under the default class to allow more packets during peak traffic
- C. Configure BGP in the COPP-CRITICAL-7600 ACL
- D. Configure a three-color policer instead of two-color policer under class COPP-CRITICAL-
7600 - E. Configure a higher value for CIR under the class COPP-CRITICAL-7600
正解：B、C
解説：
Explanation
The policy-map COPP-7600 only rate-limit HTTP & HTTPS traffic (based on the ACL conditions) so any BGP packets will be processed in the class "class-default", which drops exceeded BGP packets. Therefore we have two ways to solve this problem:
+ Add BGP to the ACL with the statement "permit tcp any any eq bgp"
+ Configure higher value for CIR in default class as 2Mbps is too low for web traffic (http &
https)
質問 # 349
A network is configured with CoPP to protect the CORE router route processor for stability and DDoS protection. As a company policy, a class named class-default is preconfigured and must not be modified or deleted. Troubleshoot CoPP to resolve the issues introduced during the maintenance window to ensure that:
WAN
CORE
MGMT
- A. See the solution below in Explanation
正解：A
解説：
CORE
policy-mao CoPP
class CoPP-CRITICAL
police 1000000 50000 50000 conform-action transmit exceed-action transmit
CORE# Copy run start
TESTING: -
CORE
MGMT
質問 # 350
Refer to the exhibit.
An engineer is troubleshooting BGP on a device but discovers that the clock on the device does not correspond to the time stamp of the log entries. Which action ensures consistency between the two times?
- A. Configure the logging clock synchronize command in global configuration mode.
- B. Make sure that the clock on the device is synchronized with an NTP server.
- C. Configure the service timestamps log uptime command in global configuration mode.
- D. Configure the service timestamps log datetime localtime command in global configuration mode.
正解：D
解説：
Explanation
https://www.cisco.com/c/en/us/td/docs/routers/xr12000/software/xr12k_r3-9/system_management/command/refe By default, syslog and debug messages are stamped by UTC, regardless of the time zone that device configured. You should append localtime key word to "service timestamp {log | debug} datetime msec" global command to change that behavior.
https://community.cisco.com/t5/networking-documents/router-log-timestamp-entries-are-different-from-the-syste
https://www.cisco.com/E-Learning/bulk/public/tac/cim/cib/using_cisco_ios_software/cmdrefs/service_timestamp
質問 # 351 
Refer to the exhibit A company builds WAN infrastructure between the head office and POPs using DMVPN hub-and-spoke topology to provide end-to-end communication All POPs must maintain point-to-point connectivity with the head office Which configuration meets the requirement at routers R12 and R13?
- A. Option B
- B. Option A
- C. Option D
- D. Option C
正解：C
質問 # 352
Refer to the exhibit. An engineer observes that every time the ICMP packet is lost at a polling interval, track 1 goes down, which causes unnecessary disruption and instability in the network.
The engineer does not want the traffic to be rerouted if the loss of ICMP packets is negligible. If the packet loss is persistent for a longer duration, the track must go down and the traffic must be rerouted. Which action resolves the issue?
- A. Change the IP SLA schedule to run only at certain intervals.
- B. Increase the timeout value from 1000 to 1500.
- C. Define a delay timer under track 1.
- D. Increase the threshold value from 1000 to 1500.
正解：C
質問 # 353
Refer to the exhibit. PC-2 failed to establish a Telnet connection to the terminal server.
Which configuration resolves the issue?
- A. Option A
- B. Option B
- C. Option D
- D. Option C
正解：A
解説：
In fact in this question both answer A and answer C are correct but we believe answer A is the better choice as it only allows PC-2 to telnet to terminal server. All other hosts are refused to telnet to terminal server via sequence 20.
質問 # 354
Refer to the exhibit. The administrator configured route advertisement to a remote low resources rooter to use only the default route to reach any network but failed. Which action resolves this issue?
- A. Remove the prefix keyword from the distribute-list command.
- B. Remove the line with the sequence number 5 from the prefix list.
- C. Change the direction of the distribute-list command from out to in.
- D. Remove the line with the sequence number 10 from the prefix list.
正解：B
質問 # 355
Refer to the exhibit.
Which policy configuration on R1 forwards any traffic that is sourced from the 192 168 130 0'24 network to R2?
- A.
- B.
- C.
- D.
正解：D
質問 # 356
Refer to the exhibit.
An engineer is troubleshooting a TACACS problem.
Which action resolves the issue?
- A. Configure a matching TACACS server IP.
- B. Apply a configured AAA profile to the VTY.
- C. Generate authentication from a relative source interface.
- D. Configure a matching preshared key.
正解：D
解説：
Reference:
https://community.cisco.com/t5/network-access-control/issues-with-tacacs-authentication/td-p/3412001
質問 # 357
Refer to the exhibit. A network administrator configured an IPv6 access list to allow TCP return traffic only, but it is not working as expected. Which changes resolve this issue?
- A.
- B.
- C.
- D.
正解：A
質問 # 358
Refer to the exhibit. During ISP router maintenance, the network produced many alerts because of the flapping interface.
Which configuration on R1 resolves the issue?
- A. no snmp trap link-status
- B. snmp trap ip verify drop-rate
- C. snmp trap link-status down
- D. ip verify drop-rate notify hold-down 60
正解：A
質問 # 359
Refer to the exhibit.
Which two actions restrict access to router R1 by SSH? (Choose two.)
- A. Remove class-map ANY from service-policy CoPP
- B. Remove sequence 10 from access list 100 and add sequence 20 deny tcp any any eq telnet to access list
199 - C. Configure transport output ssh on line vty and remove sequence 20 from access list 100.
- D. Configure transport output ssh on line vty and remove sequence 10 from access list 199.
- E. Configure transport input ssh on line vty and remove sequence 30 from access list 100.
正解：C、E
質問 # 360
A new site has been added to an OPSF network using area 2. Area 2 is connected only to area 1 of this OSPF network. Area 1 is used to connect area 1 to the backbone area 0. Should you expect full connectivity to the networks located in area 2 from area 0 in this scenario?
- A. Yes, but area 2 will need to be configured as a stub area.
- B. Yes, by default there will be full connectivity.
- C. No, you will need to redistribute the area 2 routes into area 0.
- D. No, a virtual link is needed to logically connect area 2 info area 0.
正解：D
質問 # 361
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Cisco 300-410（Implementing Cisco Enterprise Advanced Routing and Services）認定試験は、エンタープライズネットワークの高度なルーティングとサービスの実装に関するネットワークエンジニアや管理者のスキルと知識を検証する専門家レベルの認定試験です。この試験は、OSPFv2、OSPFv3、EIGRP、BGP、PBRなどのルーティングプロトコル、VPN、QoS、セキュリティ、自動化などのサービスに関連する幅広いトピックをカバーしています。Cisco 300-410試験は、CCNP Enterprise認定を取得するために受験できる6つの専門知識試験の1つです。
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