Cisco 300-410 Implementing Cisco Enterprise Advanced Routing and Services (300-410 ENARSI) Exam Practice Test
Implementing Cisco Enterprise Advanced Routing and Services (300-410 ENARSI) Questions and Answers
What must be configured by the network engineer to circumvent AS_PATH prevention mechanism in IP/VPN Hub and Spoke deployment scenarios?
Refer to the exhibit. An administrator can log in to the device using Telnet but the attempts to log in to the same device using SSH with the same credentials fail Which action resolves this issue?
What is a characteristic of IPv6 RA Guard?
Which feature is required for IPv6 Source Guard to block traffic arriving on the server interface from unknown sources?
Refer to the exhibit.
The network administrator configured the Chicago router to mutually redistribute the LA and NewYork routes with OSPF routes to be summarized as a single route in EIGRP using the longest summary mask:
After the configuration, the New York router receives all the specific LA routes but the summary route. Which set of configurations resolves the issue on the Chicago router?
Refer to the exhibit. Which configuration is required for R2 to get the IP address from the DHCP server?
Refer to the exhibit.
An engineer musl route the management server traffic to the network 10.0.250.0 over the 2 Mbps link. Which configuration accomplishes this task on R1?
A)
B)
C)
D)
Which two solutions are used to overcome a flapping link that causes a frequent label binding
exchange between MPLS routers? (Choose two)
Refer to the exhibit. The IT router has been configured with the Science VRF and the interfaces have been assigned to the VRF. Which set of configurations advertises Science-1 and Science-2 routes using EIGRPAS 111?
Refer to the exhibit.
TCP traffic should be reaching host 10.10.10.10/24 via R2. Which action resolves the issue?
Refer to the exhibit. A prefix of 10.1.1.0/31 is assigned for the DWDM circuit between R1 and R2 to connect the two attached VRFs on each router. Which configuration provides the required connectivity on R1?
Refer to the exhibit A customer reported an issue with a fiber link failure between RC and RE Users connected through the spoke location face disconnection and packet drops with the primary email server (172.16.16.1) but have no issues with the backup email server (172.16.26.1). All the router loopback IPs are advertised through the OSPF protocol. Which configuration resolves the issue?
Which mechanism provides traffic segmentation within a DMVPN network?
Refer to the exhibit.
A network engineer must establish communication between three different customer sites with these requirements:
Site-A: must be restricted to access to any users at Site-B or Site-C.
Site-B and Site-C must be able to communicate between sites and share routes using OSPF.
Which configuration meets the requirements?
Refer to the exhibit. A network engineer lost remote access to the router due to a network problem. The engineer used the console to access the router and noticed continuous logs on the console terminal. Which configuration limits the number of log messages on the console to critical and higher seventy level messages?
How do devices operate in MPLS L3VPN topology?
In a DMVPN network, the Spoke1 user observed that the voice traffic is coming to Spoke2 users via the hub router. Which command is required on both spoke routers to communicate directly to one another?
Refer to the exhibit.
A junior engineer configured SNMP to network devices. Malicious users have uploaded different configurations to the network devices using SNMP and TFTP servers.
Which configuration prevents changes from unauthorized NMS and TFTP servers?
Which router attaches the VPN label to incoming packets from CE routing?
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?
Refer to the exhibit.
R1 has a route map configured, which results in a loss of partial IPv6 prefixes for the BGP neighbor, resulting in service degradation. How can the full service be restored?
Refer to the exhibit.
A shoe retail company implemented the uRPF solution for an antispoofing attack. A network engineer received the call that the branch A server is under an IP spoofing attack. Which configuration must be implemented to resolve the attack?
A)
B)
C)
D)
What is a MPLS PHP label operation?
Refer to the exhibit. An engineer must troubleshoot a connectivity issue impacting the redistribution of the subnet 172.16.2.48/28 into the OSPF domain. Which configuration on router R1 advertises this subnet into the OSPF domain?
Refer to the exhibit. Which configuration resolves the IP SLA issue from R1 to the server?
Refer to the exhibit.
The forwarding entries how that the next hop for prefixes from the 172.16.0.0/16 network is set to 10.2.2.2 instead of 10.1.1.1. Which action resolves the issue?
Refer to the exhibit.
An engineer implemented CoPP but did not see OSPF traffic going through it. Which configuration resolves the issue?
What is a function of the IPv6 DHCP Guard feature for DHCP messages?
A network administrator cannot connect to a device via SSH. The line vty configuration is as follows:
Which action resolves this issue?
An engineer must override the normal routing behavior of a router for Telnet traffic that is destined to 10.10.10.10 from 10.10.1.0/24 via a next hop of 10.4.4.4. which is directly connected to the router that is connected to the 10.1.1.0/24 subnet Which configuration reroutes traffic according to this requirement?
:577
Refer to the exhibit. R3 is dual-homed to two service providers for traffic redundancy. R3 prefers its outbound traffic via R2. Which set of configurations achieves this goal?
Refer to the exhibit. After recovering from a power failure. Ethernet0/1 stayed down while Ethernet0/0 returned to the up/up state The default route through ISP1 was not reinstated m the routing table until Ethernet0/1 also came up Which action resolves the issue?
Refer to the exhibit.
R1 is configured with uRPF, and ping to R1 is failing from a source present in the R1 routing table via the GigatxtEthernet 0/0 interface. Which action resolves the issue?
Refer to the exhibit.
The Customer Edge router (AS 65500) wants to use ASC100 as the preferred ISP for all external routes.
This configuration failed to send routes to AS 100 as the preferred path. Which set of configuration resolves the issue?
Refer to the exhibit EIGRP adjacency between router A and router C is not working as expected Which two configurations resolve the issue? (Choose two )
A)
B)
C)
D)
E)
The network administrator configured R1 for Control Plane Policing so that the inbound Telnet traffic is policed to 100 kbps. This policy must not apply to traffic coming in from 10.1.1.1/32 and 172.16.1.1/32. The administrator has configured this:
The network administrator is not getting the desired results. Which set of configurations resolves this issue?
Refer to the exhibit. When an FTP client attempts to use passive FTP to connect to the FTP server, the file transfers fail Which action resolves the issue?
Which MPLS value is combined with the IP prefix to convert to a VPNv4 prefix?
Refer to the exhibit.
An engineer must advertise routes into IPv6 MP-BGP and failed. Which configuration resolves the issue on R1?
Refer to the exhibit.
An administrator must configure the router with OSPF for IPv4 and IPv6 networks under a single process. The OSPF adjacencies are not established and did not meet the requirement. Which action resolves the issue?
Refer to the exhibit. A network engineer is provisioning end-to-end traffic service for two different enterprise networks with these requirements
The OSPF process must differ between customers on HQ and Branch office routers, and adjacencies should come up instantly.
The enterprise networks are connected with overlapping networks between HO and a branch office
Which configuration meets the requirements for a customer site?
A
A)
B)
C)
D)
An engineer failed to run diagnostic commands on devices using Cisco DNA Center. Which action in Cisco DNA Center resolves the issue?
Refer to the exhibit. An engineer must troubleshoot a connectivity issue impacting the redistribution of the subnet 172.16.2.48/28 into the OSPF domain. Which configuration on router R1 advertises this subnet into OSPF?
Refer to the exhibit. An engineer must configure a per VRF for TACACS+ for company A. Which configuration on RTG-1 accomplishes the task?
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? (Choose two)
What is the role of LDP in MPLS networks?
Refer to the exhibit A network engineer is troubleshooting an AAA authentication issue for R1 from R2 When an engineer tries to open a telnet connection to R1 it opens the connection but shows a %Authorization failed error message on the terminal and closes the connection silently Which action resolves the issue?
Refer to the exhibit.
A network administrator successfully logs in to a switch using SSH from a (RADIUS server When the network administrator uses a console port to access the switch the RADIUS server returns shell:priv-lvl=15’’ and the switch asks to enter the enable command \ the command is entered, it gets rejected. Which command set is used to troubleshoot and reserve this issue?
Refer to the exhibit. An engineer configures router A to mark all inside to outside traffic from network 192 168 1 0, except from host 192 168 1 1. with critical IP precedence. The policy did not work as expected Which configuration resolves the issue?
A)
B)
C)
D)
Refer to the exhibit. An organization is installing a new L3 MPLS link to establish DM VPN Phase 2 tunnels between the hub and two spoke routers Which additional configuration should the engineer implement on each device to achieve optimal routing between the spokes?
A)
B)
C)
D)
Refer to the exhibit. A network administrator configured NetFlow data, but the data is not visible at the NetFlow collector. Which configuration allows the router to send the records?
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?
Refer to the exhibit.
An administrator is troubleshooting a time synchronization problem for the router time to another Cisco IOS XE-based device that has recently undergone hardening. Which action resolves the issue?
Refer to the exhibit. The client server but the show command does not show the IPv6 DHCP bindings on the server. Which action resolves the issue?
Refer to the exhibit. R1 lost its directly connected EIGRP peer 172.16.33.2 (SW1). Which configuration resolves the issue?
Refer to the exhibit.
A customer reports that user traffic of bank XYZ to the AAA server is not using the primary path via the R3-R2 link. The network team observes:
No fiber is cut on links R2 and R3.
As101 and AS 201 routers established BGP peering.
Which configuration resolves the issue?
A)
B)
C)
D)
Refer to lhe exhibit An engineer must filter EIGRP updates that are received to block all 10 10 10.0/24 prefixes The engineer tests the distribute list and finds one associated prefix. Which action resolves the issue?
Refer to the exhibit. An engineer is investigating an OSPF issue reported by the Cisco DNA Assurance Center. Which action resolves the issue?
Refer to the exhibit.
The none area 0 routers in OSPF still receive more specific routes of 10.1.1.0.10.1.2.0.10.1.3.0 from area 0. Which action resolves the issue?
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?
Refer to the exhibit.
The control plane is heavily impacted after the CoPP configuration is applied to the router. Which command removal lessens the impact on the control plane?
Refer to the exhibit A network administrator is troubleshooting to reduce the routing table of R4 and R5 to learn only the default route to communicate from Inter-Area and Intra-Area networks Which configuration resolves the issue?
A)
B)
C)
D)
Refer to the exhibit. ISP 1 and ISP 2 directly connect to the internet. A customer is tracking both ISP links to achieve redundancy but cannot see the Cisco IOS IP SLA tracking output on the router console. Which command is missing from the IP SLA configuration?
The network administrator configured CoPP so that all SNMP traffic from Cisco Prime located at 192.168.1.11 toward the router CPU is limited to 1000 kbps. Any traffic that exceeds this limit must be dropped.
access-list 100 permit udp any any eq 161
class-map CM-SNMP
match access-group 100
policy-map PM-COPP
class CM-SNMP
police 1000 conform-action transmit
!
control-plane
service-policy input PM-COPP
The network administrator is not getting the desired result for the SNMP traffic and SNMP traffic is getting dropped frequently. Which set of configurations resolves the issue?
Which command allows traffic to load-balance in an MPLS Layer 3 VPN configuration?
Refer to the exhibit.
An engineer has configured DMVPN on a spoke router. What is the WAN IP address of another spoke router within the DMVPN network?
Which statement about IPv6 ND inspection is true?
While troubleshooting connectivity issues to a router, these details are noticed:
Standard pings to all router interfaces, including loopbacks, are successful.
Data traffic is unaffected.
SNMP connectivity is intermittent.
SSH is either slow or disconnects frequently.
Which command must be configured first to troubleshoot this issue?
Refer to the exhibit.
An engineer is trying to redistribute OSPF to BGP, but not all of the routes are
redistributed. What is the reason for this issue?
Refer to the exhibit.
Which subnet is redistributed from EIGRP to OSPF routing protocols?
Which security feature can protect DMVPN tunnels?
Refer to the exhibit.
A network engineer for AS64512 must remove the inbound and outbound traffic from link A during maintenance without closing the BGP session so that there ............ a backup link over link A toward the ASN. Which BGP configuration on R1 accomplishes this goal?
A)
B)
C)
D)
Drag and drop the MPLS VPN concepts from the left onto the correct descriptions on the right.
Which configuration adds an IPv4 interface to an OSPFv3 process in OSPFv3 address family configuration?
Refer to the exhibit.
Which routes from OSPF process 5 are redistributed into EIGRP?
What is a limitation of IPv6 RA Guard?
Drag and drop the packet types from the left onto the correct descriptions on the right.
After some changes in the routing policy, it is noticed that the router in AS 45123 is being used as a transit AS router for several service provides. Which configuration ensures that the branch router in AS 45123 advertises only the local networks to all SP neighbors?
A)
B)
C)
D)
Which protocol does MPLS use to support traffic engineering?
Refer to the exhibit.
An engineer is trying to block the route to 192.168.2.2 from the routing table by using the
configuration that is shown. The route is still present in the routing table as an OSPF route. Which action blocks the route?
Refer to the exhibit.
After redistribution is enabled between the routing protocols; PC2, PC3, and PC4 cannot reach PC1. Which action can the engineer take to solve the issue so that all the PCs are reachable?
During the maintenance window an administrator accidentally deleted the Telnet-related
configuration that permits a Telnet connection from the inside network (Eth0/0) to the outside of the networking between Friday – Sunday night hours only. Which configuration resolves the issue?
A)
B)
C)
D)
Refer to the exhibit.
AAA server 10.1.1.1 is configured with the default authentication and accounting settings, but the switch cannot communicate with the server Which action resolves this issue?
While working with software images, an engineer observes that Cisco DNA Center cannot upload its software image directly from the device. Why is the image not uploading?
Which statement about IPv6 RA Guard is true?
Which two statements about redistributing EIGRP into OSPF are true? (Choose two)
Refer to the exhibits.
Phase-3 tunnels cannot be established between spoke-to-spoke in DMVPN. Which two
commands are missing? (Choose two.)
Drag and drop the MPLS VPN device types from me left onto the definitions on the right.
Which attribute eliminates LFAs that belong to protected paths in situations where links in a network are connected through a common fiber?
When provisioning a device in Cisco DNA Center, the engineer sees the error message “Cannot select the device. Not compatible with template”.
What is the reason for the error?
Which two protocols can cause TCP starvation? (Choose two)
Exhibit:
BGP is flapping after the Copp policy is applied. What are the two solutions to fix the issue?
(Choose two)
Which statement about MPLS LDP router ID is true?
Which list defines the contents of an MPLS label?
Refer to the exhibit.
A junior engineer updated a branch router configuration. Immediately after the change, the engineer receives calls from the help desk that branch personnel cannot reach any network destinations. Which configuration restores service and continues to block 10.1.1.100/32?
Which configuration enabled the VRF that is labeled “Inet” on FastEthernet0/0?
An engineer is trying to copy an IOS file from one router to another router by using TFTP. Which two actions are needed to allow the file to copy? (Choose two.)
Which Cisco VPN technology can use multipoint tunnel, resulting in a single GRE tunnel interface on the hub, to support multiple connections from multiple spoke devices?
Refer to the exhibit.
Which configuration denies Telnet traffic to router 2 from 198A:0:200C::1/64?
A)
B)
C)
D)
Refer to the exhibit.
Users report that IP addresses cannot be acquired from the DHCP server. The DHCP
server is configured as shown. About 300 total nonconcurrent users are using this DHCP server, but none of them are active for more than two hours per day. Which action fixes the issue within the current resources?
Refer to the exhibit.
The network administrator configured VRF lite for customer A. The technician at the remote site misconfigured VRF on the router. Which configuration will resolve connectivity for both sites of customer_a?
Drag and drop the MPLS terms from the left onto the correct definitions on the right.
Refer to the exhibit.
An engineer is trying to configure local authentication on the console line, but the device is trying to authenticate using TACACS+. Which action produces the desired configuration?
Which protocol is used to determine the NBMA address on the other end of a tunnel when mGRE is used?
What is the output of the following command:
show ip vrf
Refer to the exhibit.
R2 is a route reflector, and R1 and R3 are route reflector clients. The route reflector learns the route to 172.16.25.0/24 from R1, but it does not advertise to R3. What is the reason the route is not advertised?
Refer to the exhibit.
Which control plane policy limits BGP traffic that is destined to the CPU to 1 Mbps and
ignores BGP traffic that is sent at higher rate?
Which is statement about IPv6 inspection is true?
Refer to the following output:
Router#show ip nhrp detail
10.1.1.2/8 via 10.2.1.2, Tunnel1 created 00:00:12, expire 01:59:47
TypE. dynamic, Flags: authoritative unique nat registered used
NBMA address: 10.12.1.2
What does the authoritative flag mean in regards to the NHRP information?
Which label operations are performed by a label edge router?
Refer to the exhibit.
Drag and drop the credentials from the left onto the remote login information on the right to resolve a failed login attempt to vtys. Not all credentials are uf SLA by defining frequency and schedulingsed
Drag and drop the operations from the left onto the locations where the operations are performed on the right.
A network engineer is investigating a flapping (up/down) interface issue on a core switch that is synchronized to an NTP server. Log output currently does not show the time of the flap. Which command allows the logging on the switch to show the time of the flap according to the clock on the device?
Refer to the exhibit.
An administrator that is connected to the console does not see debug messages when
remote users log in. Which action ensures that debug messages are displayed for remote logins?
Which two statements about VRF-Lite configurations are true? (Choose two.)
Refer to the exhibit.
An engineer is trying to connect to a device with SSH but cannot connect. The engineer connects by using the console and finds the displayed output when troubleshooting. Which command must be used in configuration mode to enable SSH on the device?
Refer to the exhibit.
During troubleshooting it was discovered that the device is not reachable using a secure
web browser. What is needed to fix the problem?
Users were moved from the local DHCP server to the remote corporate DHCP server. After the move,
none of the users were able to use the network.
Which two issues will prevent this setup from working properly? (Choose two)
Which method changes the forwarding decision that a router makes without first changing the routing table or influencing the IP data plane?
Refer to the exhibit.
After applying IPsec, the engineer observed that the DMVPN tunnel went down, and both
spoke-to-spoke and hub were not establishing. Which two actions resolve the issue? (Choose two.)
What is an advantage of using BFD?
Refer to the exhibit.
Redistribution is enabled between the routing protocols, and nowPC2 PC3, and PC4 cannot reach PC1. What are the two solutions to fix the problem? (Choose two.)
Drag and drop the DHCP messages from the left onto the correct uses on the right.
Which component of MPLS VPNs is used to extend the IP address so that an engineer is able to
identify to which VPN it belongs?
What is the role of a route distinguisher via a VRF-Lite setup implementation?
An engineer configured a leak-map command to summarize EIGRP routes and advertise specifically loopback 0 with an IP of 10.1.1.1.255.255.255.252 along with the summary route. After finishing configuration, the customer complained not receiving summary route with specific loopback address. Which two configurations will fix it? (Choose two.)
An engineer configured the wrong default gateway for the Cisco DNA Center enterprise interface during the install. Which command must the engineer run to correct the configuration?
Refer to the exhibit.
Network operations cannot read or write any configuration on the device with this configuration from the operations subnet. Which two configurations fix the issue? (Choose two.)
An engineer is troubleshooting on the console session of a router and turns on multiple debug commands. The console screen is filled with scrolling debug messages that none of the commands can be verified if entered correctly or display any output. Which action allows the engineer to see entered console commands while still continuing the analysis of the debug messages?
A network administrator is tasked to permit http and https traffic only toward the internet from the User1 laptop to adhere to company’s security policy. The administrator can still ping to www.cisco.com Which interface should the access list 101 be applied to resolve this issue?
Refer to the exhibit.
R1 is connected with R2 via GigabitEthernet0/0, and R2 cannot ping R1. What action will fix the issue?
Refer to the exhibit.
The OSPF routing protocol is redistributed into the BGP routing protocol, but not all the OSPF routes are distributed into BGP Which action resolves the issue?
Refer to the exhibit.
PC-2 failed to establish a Telnet connection to the terminal server. Which configuration resolves the issue?
Refer to the exhibit.
When monitoring an IPv6 access list, an engineer notices that the ACL does not have any hits and is causing unnecessary traffic to pass through the interface Which command must be configured to resolve the issue?
Refer to the exhibit. An engineer has successfully set up a floating static route from the BRANCH router to the HQ network using HQ_R1 as the primary default gateway When the g0/0 goes down on HQ_R1, the branch network cannot reach the HQ network 192.168.20.0/24. Which set of configurations resolves the issue?
What are two functions of MPLS Layer 3 VPNs? (Choose two.)
Refer to the exhibit.
SanFrancisco and Boston routers are choosing slower links to reach each other despite the direct links being up Which configuration fixes the issue?
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?
Which configuration feature should be used to block rogue router advertisements instead of using the IPv6 Router Advertisement Guard feature?
In which two ways does the IPv6 First-Hop Security Binding Table operate? (Choose two.)
Refer to the exhibit.
AS65510 iBGP is configured for directly connected neighbors. R4 cannot ping or traceroute network 192 168.100.0/24 Which action resolves this issue?
Refer to the exhibit.
A client is concerned that passwords are visible when running this show archive log config all.
Which router configuration is needed to resolve this issue?
Refer to the exhibit. A network administrator configured mutual redistribution on R1 and R2 routers, which caused instability in the network. Which action resolves the issue?
Refer to Exhibit.
Which two configurations allow clients to get dynamic ip addresses assigned?
How are MPLS Layer 3 VPN services deployed?
A DMVPN single hub topology is using IPsec + mGRE with OSPF. What should be configured on the hub to ensure it will be the designated router?
Refer to the exhibit.
A network administrator has developed a Python script on the local Linux machine and is trying to transfer it to the router. However, the transfer fails. Which action resolves this issue?
Refer to the exhibit. The network administrator configured the branch router for IPv6 on the E 0/0 interface The neighboring router is fully configured to meet requirements, but the neighbor relationship is not coming up. Which action fixes the problem on the branch router to bring the IPv6 neighbors up?
Refer to the exhibit.
An engineer identifier a Layer 2 loop using DNAC. Which command fixes the problem in the SF-D9300-1 switch?
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?
Refer to the exhibit.
All the serial between R1, R2, and R3 have the Same bandwidth. User on the 192.168.1.0/24 network report slow response times while they access resource on network 192.168.3.0/24. When a traceroute is run on the path. It shows that the packet is getting forwarded via R2 to R3 although the link between R1 and R3 is still up. What must the network administrator to fix the slowness?
Which Ipv6 first-hop security feature helps to minimize denial of service attacks?
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?
Refer to the exhibit.
A network administrator reviews the branch router console log to troubleshoot the OSPF adjacency issue with the DR router. Which action resolves this issue?
Refer to the exhibit.
An engineer receives this error message when trying to access another router in-band from the serial interface connected to the console of R1. Which configuration is needed on R1 to resolve this issue?
Refer to the exhibit.
BGP and EIGRP are mutually redistributed on R3, and EIGRP and OSPF are mutually redistributed on R1. Users report packet loss and interruption of service to applications hosted onthe 10.1.1.0724 prefix. An engineer tested the link from R3 to R4 with no packet loss present but has noticed frequent routing changes on R3 when running the debug ip route command. Which action stabilizes the service?
Refer to the exhibit.
A user cannot SSH to the router. What action must be taken to resolve this issue?
When determining if a system is capable of support, what is the minimum time spacing required for a BFD control packet to receive once a control packet is arrived?
What is the minimum time gap required by the local system before putting a BFD control packet on the wire?
An engineer needs dynamic routing between two routers and is unable to establish OSPF adjacency. The output of the show ip ospf neighbor command shows that the neighbor state is EXSTART/EXCHANGE. Which action should be taken to resolve this issue?
Refer to the exhibit.
An engineer wanted to set a tag of 30 to route 10 1.80.65/32 but it failed How is the issue fixed?
Refer to the exhibit. A network administrator redistributed the default static route into OSPF toward all internal routers to reach to Internet. Which set of commands restores reachability to the Internet by internal routers?
Refer to the exhibit.
A network administrator logs into the router using TACACS+ username and password credentials, but the administrator cannot run any privileged commands Which action resolves the issue?
Refer to the exhibit.
An engineer configured BGP between routers R1 and R3 The BOP peers cannot establish neighbor adjacency to be able to exchange routes. Which configuration resolves this issue?
Refer to the exhibit.
A user has set up an IP SLA probe to test if a non-SLA host web server on IP address 10.1.1.1 accepts HTTP sessions prior to deployment. The probe is failing. Which action should the network administrator recommend for the probe to succeed?
What are two functions of IPv6 Source Guard? (Choose two.)
Drag and drop the MPLS concepts from the left onto the descriptions on the right.
Refer to Exhibit:
AS 111 wanted to use AS 200 as the preferred path for 172.20.5.0/24 and AS 100 as the backup. After the configuration, AS 100 is not used for any other routes. Which configuration resolves the issue?
An engineer configured Reverse Path Forwarding on an interface and noticed that the routes are dropped when a route lookup fails on that interface for a prefix that is available in the routing table Which interface configuration resolves the issue?
Refer to the exhibit. R1 and R2 cannot establish an EIGRP adjacency. Which action establishes EIGRP adjacency?
An engineer configured two routers connected to two different service providers using BGP with default attributes. One of the links is presenting high delay, which causes slowness in the network. Which BGP attribute must the engineer configure to avoid using the high-delay ISP link if the second ISP link is up?
What are two MPLS label characteristics? (Choose two.)
Refer to exhibit.
Routing protocols are mutually redistributed on R3 and R1. Users report intermittent connectivity to services hosted on the 10.1.1.0/24 prefix. Significant routing update changes are noticed on R3 when the show ip route profile
command is run. How must the services be stabilized?
Refer to the exhibit.
The network administrator can see the DHCP discovery packet in R1. but R2 is not replying to the DHCP request. The R1 related interface is configured with the DHCP helper address. If the PC is directly connected to the FaO/1 interface on R2, the DHCP server assigns as IP address from the DHCP pool to the PC. Which two commands resolve this issue? (Choose two.)
Refer to Exhibit.
A network administrator has successfully configured DMVPN topology between a hub and two spoke routers. Which two configuration commands should establish direct communications between spoke 1 and spoke 2 without going through the hub? (Choose two).
Refer to the exhibit.
The Math and Science departments connect through the corporate. IT router but users in the Math department must not be able to reach the Science department and vice versa Which configuration accomplishes this task?
What are two characteristics of VRF instance? (Choose two.)
Refer to the exhibit.
An IPv6 network was newly deployed in the environment and the help desk reports that R3 cannot SSH to the R2s Loopback interface. Which action resolves the issue?
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?
Refer to the exhibits.
When DMVPN is configured, which configuration allows spoke-to-spoke communication using loopback as a tunnel source?
What are two purposes of using IPv4 and VPNv4 address-family configurations in a Layer 3 MPLS VPN? (Choose two.)
When configuring Control Plane Policing on a router to protect it from malicious traffic, an engineer observes that the configured routing protocols start flapping on
that device. Which action in the Control Plane Policy prevents this problem in a production environment while achieving the security objective?
Refer to Exhibit.
Traffic from the branch network should route through HQ R1 unless the path is unavailable. An engineer tests this functionality by shutting down interface on the BRANCH router toward HQ_R1 router but 192.168.20.0/24 is no longer reachable from the branch router. Which set of configurations resolves the issue?
Refer to the exhibit.
A network administrator is using the DNA Assurance Dashboard panel to troubleshoot an OSPF adjacency that failed between Edge_NYC interface GigabitEthernet1/3 with Neighbor Edge_SNJ. The administrator observes that the neighborship is stuck in exstart state. How does the administrator fix this issue?
Refer to the exhibits.
A user on the 192.168.1.0/24 network can successfully ping 192.168.3.1, but the administrator cannot ping 192.168.3.1 from the LA router. Which set of configurations fixes the issue?
A)
B)
C)
D)
What does IPv6 Source Guard utilize to determine if IPv6 source addresses should be forwarded?
Refer to the exhibit. The Los Angeles and New York routers are receiving routes from Chicago but not from each other. Which configuration fixes the issue?
What statement about route distinguishes in an MPLS network is true?
An engineer configured SNMP notifications sent to the management server using authentication and encrypting data with DES. An error in the response PDU is received as " UNKNOWNUSERNAME. WRONGDIGEST " . Which action resolves the issue?
Refer to Exhibit.
A network administrator enables DHCP snooping on the Cisco Catalyst 3750-X switch and configures the uplink port (Port-channel2) as a trusted port. Clients are not receiving an IP address, but when DHCP snooping is disabled, clients start receiving IP addresses. Which global command resolves the issue?
Refer to the exhibit.
The administrator successfully logs into R1 but cannot access privileged mode commands. What should be configured to resolve the issue?
How does an MPLS Layer 3 VPN function?