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300-410: Implementing Cisco Enterprise Advanced Routing and Services Dumps

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Question No: 1

MultipleChoice

Refer to the exhibit.

Refer to the exhibit. R10 attempts to copy an image file from R11 using TFTP, and the operation is timing out. Which action resolves the issue?

Options

AChange R10 duplex to auto to resolve the duplex mismatch between routers R10 and R11.

BR10 must be configured to belong to the same VRF TFTP.

CR11 requires the TFTP server source-interface to be set to GigabitEthernetO/0.

DR11 requires the TFTP server command for the image to be set to the VRF TFTP.

Answer
C

Question No: 2

MultipleChoice

A network administrator must optimize the segment size of the TCP packet on the DMVPN IPsec protected tunnel interface, which carries application traffic from the head office to a designated branch. The TCP segment size must not overwhelm the MTU of the outbound link. Which configuration must be applied to the router to improve the application performance?

Options

AOption A

BOption B

COption C

DOption D

Answer
C

Question No: 3

MultipleChoice

Refer to the exhibit.

A network administrator is discovering a Cisco Catalyst 9300 and a Cisco WLC 3504 in Cisco DNA Center. The Catalyst 9300 is added successfully However the WLC is showing [ error "uncontactable" when the administrator tries to add it in Cisco DNA Center. Which action discovers WLC in Cisco DNA Center successfully?

Options

ACopy the .cert file from the Cisco DNA Center on the USB and upload it to the WLC 3504.

BDelete the WLC 3504 from Cisco DNA Center and add it to Cisco DNA Center again.

CAdd the WLC 3504 under the hierarchy of the Catalyst 9300 connected devices.

DCopy the .pern file from the Cisco DNA Center on the USB and upload it to the WLC 3504.

Answer
DExplanation

https://www.cisco.com/c/en/us/support/docs/wireless/4400-series-wireless-lan-controllers/109597-csr-chained-certificates-wlc-00.html#anc12

Question No: 4

MultipleChoice

Refer to the exhibit.

Refer to the exhibit. The IT manager received reports from users about slow application through network x. which action resolves the issue?

Options

AUse the variance 2 command to enable load balancing.

BIncrease the bandwidth from the service provider.

CMove the servers into the users subnet.

DUpgrade the IOS on router E.

Answer
A

Question No: 5

MultipleChoice

Refer to the exhibit.

Refer to the exhibit. An engineer configured user login based on authentication database on the router, but no one can log into the router. Which configuration resolves the issue?

Options

Aaaa authentication login default enable

Baaa authorization network default local

Caaa authentication login default local

Daaa authorization exec default local

Answer
C

Question No: 6

MultipleChoice

Refer to the exhibit.

Refer to the exhibit. An engineer is investigating an OSPF issue reported by the Cisco DNA Assurance Center. Which action resolves the issue?

Options

AOne of the neighbor links is down Bring the interface up by running shut and no shut

BOne of the interfaces is using the wrong MTU Match interface MTU on both links

CAn ACL entry blocking multicast on the interfaces Allow multicast through the interface ACL

DOne of the interfaces is using the wrong authentication Match interface authentication on both links

Answer
B

Question No: 7

MultipleChoice

Refer to the exhibit.

A network administrator is troubleshooting OSPF adjacency issue by going through the console logs in the router, but due to an overwhelming log message stream it is impossible to capture the problem Which two commands reduce console log messages to relevant OSPF neighbor problem details so that the issue can be resolved? (Select two)

Options

Adebug condition interface

Bdebug condition ip

Cdebug condition ospf neighbor

Ddebug condition session-id ADJCHG

Edebug condition all

Answer
A, D

Question No: 8

MultipleChoice

Refer to the exhibit.

NTP is configured across the network infrastructure and Cisco DNA Center. An NTP issue was reported on the Cisco DNA Center at 17:15. Which action resolves the issue?

Options

ACheck and resolve reachability between the WLC and the NTP server

BReset the NTP server to resolve any synchronization issues for all devices

CCheck and resolve reachability between Cisco DNA Center and the NTP server

DCheck and configure NTP on the WLC and synchronize with Cisco DNA Center

Answer
DExplanation

Excessive time lag between Cisco DNA Center and device: The time difference between Cisco DNA Center and the device IP Address has drifted too far apart. CiscoDNA Center cannot process the device data accurately if the time difference is more than 3 minutes.

Question No: 9

MultipleChoice

Refer to the exhibit.

An engineer configured R2 and R5 as route reflectors and noticed that not all routes are sent to R1 to advertise to the eBGP peers. Which iBGP routers must be configured as route reflectors to advertise all routes to restore reachability across all networks?

Options

AR1 and R4

BR1 and R5

CR4 and R5

DR2 and R5

Answer
CExplanation

When R2 & R5 are route reflectors (RRs), routes from R4 & R8 are advertised to R5 and R5

advertises to R2. But R2 would drop them as R2 is also a RR. Therefore some routes are

missing on R1 to advertise to eBGP peers.

Good reference:

https://www.ciscolive.com/c/dam/r/ciscolive/emea/docs/2015/pdf/TECRST-2310.pdf

Route reflectors (RR) must be fully iBGP meshed so we cannot configure RR on both R1 and

R5.

We should choose routers at the center of the topology RRs, in this case R4 & R5.

Question No: 10

MultipleChoice

Refer to the exhibit.

Bangkok is using ECMP to reach to the 192.168.5.0/24 network. The administrator must configure Bangkok in such a way that Telnet traffic from 192.168.3.0/24 and192.168.4.0/24 networks uses the HongKong router as the preferred router. Which set of configurations accomplishes this task?

Options

Aaccess-list 101 permit tcp 192.168.3.0 0.0.0.255 192.168.5.0 0.0.0.255
access-list 101 permit tcp 192.168.4.0 0.0.0.255 192.168.5.0 0.0.0.255
!
route-map PBR1 permit 10
match ip address 101
set ip next-hop 172.18.1.2
interface Ethernet0/3
ip policy route-map PBR1

Baccess-list 101 permit tcp 192.168.3.0 0.0.0.255 192.168.5.0 0.0.0.255 eq 23
access-list 101 permit tcp 192.168.4.0 0.0.0.255 192.168.5.0 0.0.0.255 eq 23
!
route-map PBR1 permit 10
match ip address 101
set ip next-hop 172.18.1.2
interface Ethernet0/1
ip policy route-map PBR1

Caccess-list 101 permit tcp 192.168.3.0 0.0.0.255 192.168.5.0 0.0.0.255 eq 23
access-list 101 permit tcp 192.168.4.0 0.0.0.255 192.168.5.0 0.0.0.255 eq 23
!
route-map PBR1 permit 10
match ip address 101
set ip next-hop 172.18.1.2
!
interface Ethernet0/3
ip policy route-map PBR1

Daccess-list 101 permit tcp 192.168.3.0 0.0.0.255 192.168.5.0 0.0.0.255
access-list 101 permit tcp 192.168.4.0 0.0.0.255 192.168.5.0 0.0.0.255
!
route-map PBR1 permit 10
match ip address 101
set ip next-hop 172.18.1.2
!
interface Ethernet0/1
ip policy route-map PBR1

Answer
CExplanation

We need to use Policy Based Routing (PBR) here on Bangkok router to match the traffic from 192.168.3.0/24 & 192.168.4.0/24 and ''set ip next-hop'' to HongKong router(172.18.1.2 in this case).

Note: Please notice that we have to apply the PBR on incoming interface e0/3 to receive traffic from 192.168.3.0/24 and 192.168.4.0/24.

Question No: 11

MultipleChoice

Clients on ALS2 receive IPv4 and IPv6 addresses but clients on ALS1 receive only IPv4 addresses and not IPv6 addresses. Which action on DSW1 allows clients on ALS1 to receive IPv6 addresses?

A) Configure DSW1(config-if)#ipv6 helper address 2002:404:404::404:404

B) Configure DSW1(dhcp-config)#default-router 2002:A04:A01::A04:A01

C) Configure DSW1(config)#ipv6 route 2002:404:404:404:404/128 FastEthernet1/0

D) Configure DSW1(config-if)#ipv6 dhcp relay destination 2002:404:404::404:404 GigabitEthernet1/2

Options

AOption A

BOption B

COption C

DOption B

Answer
BExplanation

https://community.cisco.com/t5/networking-documents/stateful-dhcpv6-relay-configuration-example/ta-p/3149338

Question No: 12

MultipleChoice

Refer to the exhibit.

BGP is flapping after the Copp policy is applied. What are the two solutions to fix the issue?

(Choose two)

Options

AConfigure BGP in the COPP-CRITICAL-7600 ACL

BConfigure a higher value for CIR under the default class to allow more packets during peak traffic

CConfigure a higher value for CIR under the class COPP-CRITICAL-7600

DConfigure a three-color policer instead of two-color policer under class COPP-CRITICAL-
7600

EConfigure IP CEF to CoPP policy and BGP to work

Answer
A, BExplanation

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)

Question No: 13

MultipleChoice

A DMVPN network is preconfigured with tunnel 0 IP address 192.168.1.254 on the HUB, IP connectivity, crypto policies, profiles, and EIGRP AS 100. The NHRP password is ccnp123, and the network ID and tunnel key is EIGRP ASN Do not introduce a static route. Configure DMVPN connectivity between routers BR1 and BR2 to the HUB router using physical interface as the tunnel source to achieve these goals:

Options

ASee the answer solution in Explanation

Answer
AExplanation

ON BR1

ON BR2

Question No: 14

MultipleChoice

Refer to the exhibit.

The network administrator has configured the Customer Edge router (AS 64511) to send only summarized routes toward ISP-1 (AS 100) and ISP-2 (AS 200).

router bgp 64511

network 172.16.20.0 mask 255.255.255.0

network 172.16.21.0 mask 255.255.255.0

network 172.16.22.0 mask 255.255.255.0

network 172.16.23.0 mask 255.255.255.0

aggregate-address 172.16.20.0 255.255.252.0

After this configuration. ISP-1 and ISP-2 continue to receive the specific routes and the summary route. Which configuration resolves the issue?

Options

Arouter bgp 64511
aggregate-address 172.16.20.0 255.255.252.0 summary-only

Brouter bgp 64511
neighbor 192.168.100.1 summary-only
neighbor 192.168.200.2 summary-only

Cinterface E 0/0
ip bgp suppress-map BLOCK_SPECIFIC
!
interface E 0/1
ip bgp suppress-map BLOCK_SPECIFIC
!
ip prefix-list PL_BLOCK_SPECIFIC permit 172.16.20.0/22 ge 24
!
route-map BLOCK_SPECIFIC permit 10
match ip address prefix-list PL_BLOCK_SPECIFIC

Dip prefix-list PL_BLOCK_SPECIFIC deny 172.16.20.0/22 ge 22
ip prefix-list PL BLOCK SPECIFIC permit 172.16.20.0/22
!
route-map BLOCK_SPECIFIC permit 10
match ip address prefix-list PL_BLOCK_SPECIFIC
!
router bgp 64511
aggregate-address 172.16.20.0 255 255.252.0 suppress-map BLOCKSPECIFIC

Answer
AExplanation

When the aggregate-address command is used within BGP routing, the aggregated address is advertised, along with the more specific routes. The exception to this

rule is through the use of the summary-only command. The ''summary-only'' keyword suppresses the more specific routes and announces only the summarized

route.

Question No: 15

MultipleChoice

Refer to the exhibit.

The remote server is failing to receive the NetFlow data Which action resolves the issue?

Options

AModify the flow transport command transport udp 2055 to move under flow monitor profile.

BModify the interlace command to Ip flow monitor FLOW-MONITOR-1 Input.

CModify the udp port under flow exporter profile to Ip transport udp 4739.

DModify the flow record command record v4_r1 to move under flow exporter profile.

Answer
BExplanation

From the exhibit we see there are two flow monitors: the first one ''FLOW-MONITOR-1'' has been configured correctly but the second one ''v4_r1'' was left empty andinterface E0/0.1 is using it. So the remote server does not receive any NetFlow data.

Question No: 16

MultipleChoice

Refer to the exhibit.

The administrator configured route advertisement to a remote low resources router to use only the default route to reach any network but failed. Which action resolves this issue?

Options

AChange the direction of the distribute-list command from out to in.

BRemove the line with the sequence number 5 from the prefix list.

CRemove the prefix keyword from the distribute-list command.

DRemove the line with the sequence number 10 from the prefix list.

Answer
B

Question No: 17

MultipleChoice

Refer to the exhibit.

Refer to the exhibit. An engineer notices a connectivity problem between routers R1 and R2. The frequency of this problem is high during peak business hours. Which action resolves the issue?

Options

AIncrease the MTU on the interfaces that connect R1 and R2.

BIncrease the available bandwidth between R1 and R2.

CDecrease the EIGRP keepallve and hold down timers on R1 and R2.

DSet static EIGRP neighborship between R1 and R2.

Answer
B

Question No: 18

MultipleChoice

Refer to the exhibit A CoPP policy is implemented to allow specific control traffic, but the traffic is not matching as expected and is getting unexpected behavior of control traffic. Which action resolves the issue?

Options

AUse match-any instruction in class-map

BCreate a separate class map against each ACL.

CCreate a separate class map lor ICMP traffic.

DUse default-class to match ICMP traffic

Answer
A

Question No: 19

MultipleChoice

Exhibits:

Refer to the exhibit The administrator configured the network devices for end-to-end reachability, but the ASBRs are not propagating routes to each other Which set of configurations resolves this issue?

Options

AOption A

BOption B

COption C

DOption D

Answer
A

Question No: 20

MultipleChoice

Exhibit.

Refer to the exhibit. A network is configured for EIGRP equal-cost load balancing, but the traffic destined to the servers is not load balanced. Link metrics from router R2 to R3 and R4 are the same. Which delay value must be configured to resolve the issue?

Options

A208 oon R3 E0/0

B120 on R4 E0/1

C120/on R3 E0/1

D2200 on R4 E0/1

Answer
C

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