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When troubleshooting OSPF neighbor errors, which three verification steps should be considered?

When troubleshooting OSPF neighbor errors, which three verification steps should be considered? (Choose three.) A. Verify if neighboring OSPF interfaces are configured in the same area. B. Verify if neighboring

Which set of commands is used to enable the gi0/0/0/1 interface for OSPF in area 0?

On Cisco IOS XR Software, which set of commands is used to enable the gi0/0/0/1 interface for OSPF in area 0? A. interface gi0/0/0/0ip address 10.1.1.1 255.255.255.0!router ospf 1network 10.1.1.1

Which three statements are true regarding the OSPF router ID?

Which three statements are true regarding the OSPF router ID? (Choose three.) A. The OSPF routing process chooses a router ID for itself when it starts up. B. The router-id

Which two OSPF network scenarios require OSPF virtual link configuration?

Which two OSPF network scenarios require OSPF virtual link configuration? (Choose two.) A. to connect an OSPF non-backbone area to area 0 through another non-backbone area B. to connect an

What is function of the RP/0/RSP0/CPU0:PE1(config-ospf)#distance Cisco IOS-XR command?

What is function of the RP/0/RSP0/CPU0:PE1(config-ospf)#distance Cisco IOS-XR command? A. To modify the administrative distance of the OSPF routes B. To modify the default seed metric of the OSPF external

Which four statements are correct regarding IS-IS operations?

Which four statements are correct regarding IS-IS operations? (Choose four.) A. By default, Level 1 routers within an IS-IS area do not carry any routing information external to the area

When configuring IPv4 and IPv6 IS-IS routing on Cisco IOS XR routers, which three statements are correct?

When configuring IPv4 and IPv6 IS-IS routing on Cisco IOS XR routers, which three statements are correct? (Choose three.) A. By default, a single SPF is used for both IPv4

Which kind of OSPF router?

In comparing IS-IS with OSPF, a Level-1-2 IS-IS router is similar to which kind of OSPF router? A. ASBR on a normal OSPF area B. ASBR on NSSA C. ABR

The Cisco IOS XE Software summary-address router IS-IS configuration command can be used to send a summarized route into which IS-IS hierarchy?

The Cisco IOS XE Software summary-address router IS-IS configuration command can be used to send a summarized route into which IS-IS hierarchy? A. Level 1 only B. Level 2 only

Which network environment is IS-IS adjacency check important?

In which network environment is IS-IS adjacency check important? A. in a multitopology environment where there are different instances of IS-IS running on the same router B. in an IPv4/IPv6

When implementing OSPF, which type of networks require DR/BDR election?

When implementing OSPF, which type of networks require DR/BDR election? A. point-to-point networks B. mutli-access broadcast networks C. non-broadcast multi-access networks (Hub and Spoke Frame Relay) using point-to-multipoint OSPF network

The S bit in the MPLS header is used for what purpose?

The S bit in the MPLS header is used for what purpose? A. To indicate the bottom level in the label stack B. To indicate if LDP is sync to

What are two purposes of the BGP scan-time command?

What are two purposes of the BGP scan-time command? (Choose two.) A. to tune the BGP process which walks the BGP table and confirms the reachability of next hops B.

What does the “Active” state indicate?

When using the show bgp ipv6 unicast summary command to verify the IPv6 BGP session status with the IPv6 BGP peers, you noticed the “St/PfxRcd” status for one of the

Which three BGP configuration groupings are supported on Cisco IOS XR Software?

Which three BGP configuration groupings are supported on Cisco IOS XR Software? (Choose three.) A. peer-group B. af-group C. bgp-group D. session-group E. neighbor-group F. as-group Correct Answer: BDE

Which AS path access list is used by a multihomed customer to only announce their own address space to their service providers to prevent the multihomed customer from becoming a transit AS?

Which AS path access list is used by a multihomed customer to only announce their own address space to their service providers to prevent the multihomed customer from becoming a

What is recursive lookup in BGP and how does it work?

What is recursive lookup in BGP and how does it work? A. The router looks up the EBGP route and the EBGP next hop to reach a destination in the

Which reserved AS number or range of numbers is used for backward compatibility between old BGP peers using 16-bit AS number and new BGP peers using 32-bit AS number?

Which reserved AS number or range of numbers is used for backward compatibility between old BGP peers using 16-bit AS number and new BGP peers using 32-bit AS number? A.

Which BGP attribute is a set of generic tags that can be used to signal various routing policies between BGP routers?

Which BGP attribute is a set of generic tags that can be used to signal various routing policies between BGP routers? A. AS path B. MED C. weight D. communities

Which of the following is a characteristic of dual-multihomed connectivity between an enterprise network and the service provider network or networks?

Which of the following is a characteristic of dual-multihomed connectivity between an enterprise network and the service provider network or networks? A. An enterprise network that is connected to two

What are two ways to advertise networks into BGP?

What are two ways to advertise networks into BGP? (Choose two.) A. using the neighbor router BGP command B. using a route policy in Cisco IOS XR Software or using

When configuring BGP on Cisco IOS XR Software, which address-family is enabled by default?

When configuring BGP on Cisco IOS XR Software, which address-family is enabled by default? A. IPv4 unicast B. IPv6 unicast C. VPNv4 D. IPv4 unicast and IPv6 unicast E. IPv4

What are two characteristics of the multihomed customers to service providers connection option?

What are two characteristics of the multihomed customers to service providers connection option? (Choose two.) A. Multihomed customers must use a private AS number. B. The traffic load can be

When using the Cisco IOS-XR show bgp command to examine the BGP table, the Metric value being displayed is used to represent which BGP attribute?

When using the Cisco IOS-XR show bgp command to examine the BGP table, the Metric value being displayed is used to represent which BGP attribute? A. Weight B. Local Preference

When redistributing routes from other routing protocols into OSPF, what is a common reason why some of the routes might not be redistributed into OSPF?

In Cisco IOS and Cisco IOS XE Software images, when redistributing routes from other routing protocols into OSPF, what is a common reason why some of the routes might not

When configuring Cisco IOS route maps, which command allows the route map processing to jump to another statement instead of exiting?

When configuring Cisco IOS route maps, which command allows the route map processing to jump to another statement instead of exiting? A. jump B. next C. set D. continue E.

When using the Cisco IOS XR route policy language to define a logical if-then-else condition, which logical operator has the highest precedence?

When using the Cisco IOS XR route policy language to define a logical if-then-else condition, which logical operator has the highest precedence? A. AND B. OR C. NOT D. IS

When configuring Cisco IOS XR route policy nesting, which command is used within a route policy to call another route policy?

When configuring Cisco IOS XR route policy nesting, which command is used within a route policy to call another route policy? A. Apply B. Continue C. Jump D. Go to

What is defined by using the Cisco IOS XR policy-global configuration command?

What is defined by using the Cisco IOS XR policy-global configuration command? A. the default BGP route policy B. global variables that can be referenced by any route policy C.

What is the default OSPF seed metric and type?

What is the default OSPF seed metric and type? A. 10 and E1 B. 10 and E2 C. 20 and E1 D. 20 and E2 E. 0 and E1 F.

When redistributing routes into OSPF, which kind of routes will be redistributed by default on Cisco IOS XR Software but will not be automatically redistributed by default on Cisco IOS Software and Cisco IOS XE Software?

When redistributing routes into OSPF, which kind of routes will be redistributed by default on Cisco IOS XR Software but will not be automatically redistributed by default on Cisco IOS

When redistributing EIGRP routes into OSPF as type E2 external OSPF routes, what is the default OSPF seed metric?

When redistributing EIGRP routes into OSPF as type E2 external OSPF routes, what is the default OSPF seed metric? A. Infinite B. 0 C. 1 D. 10 E. 20 Correct

Which high-availability mechanism is a detection protocol that is enabled at the interface and at the routing protocol levels?

Which high-availability mechanism is a detection protocol that is enabled at the interface and at the routing protocol levels? A. NSF B. SSO C. NSR D. BFD E. SDR Correct

Which high-availability routing feature requires the neighbor router to support the graceful restart capability?

Which high-availability routing feature requires the neighbor router to support the graceful restart capability? A. BFD B. NSR C. NSF D. MTR Correct Answer: C

Which OSPF feature allows a router with redundant route processors to maintain its OSPF state and adjacencies across planned and unplanned RP switchovers and does this by checkpointing state information from OSPF on the active RP to the standby RP?

Which OSPF feature allows a router with redundant route processors to maintain its OSPF state and adjacencies across planned and unplanned RP switchovers and does this by checkpointing state information

Which two statements regarding OSPFv2 or OSPFv3 authentication are correct?

Which two statements regarding OSPFv2 or OSPFv3 authentication are correct? (Choose two.) A. OSPFv2 supports MD5 authentication. B. OSPFv2 supports MD5 or SHA authentication. C. OSPFv2 relies on the native

What are three common problems that can cause a BGP neighbor state to toggle between the idle state and the active state?

What are three common problems that can cause a BGP neighbor state to toggle between the idle state and the active state? (Choose three.) A. BGP network command misconfiguration B.

BGP peerings can be secured using which protection mechanism?

BGP peerings can be secured using which protection mechanism? A. SHA authentication B. MD5 authentication C. SSH D. SSL E. AAA F. digital certificates Correct Answer: B

How many IBGP sessions will be required to establish fully meshed IBGP peerings?

In an AS with 10 routers running IBGP, how many IBGP sessions will be required to establish fully meshed IBGP peerings? A. 10 B. 20 C. 45 D. 50 E.

Which two methods can lower the OSPF memory usage?

You are implementing OSPF as the IGP using a single OSPF area design. The router memory usage for OSPF is too high. Which two methods can lower the OSPF memory

Routes that are received from an IBGP peer will be propagated to which other routers by default?

Routes that are received from an IBGP peer will be propagated to which other routers by default? A. to the EBGP peers only B. to the IBGP peers only C.

What are two consequences of having constant link flaps, resulting in the OSPF neighbor adjacencies going up and down repeatedly?

What are two consequences of having constant link flaps, resulting in the OSPF neighbor adjacencies going up and down repeatedly? (Choose two.) A. routes getting into the “Stuck In Active”

Which configuration adjustment could be made to enable the OSPF process to load balance traffic across multiple OSPF links?

When monitoring the OSPF operations in the network, you notice that the OSPF process is not load balancing traffic across multiple OSPF links. Which configuration adjustment could be made to

Which of the following is used by an IS-IS router to detect other IS-IS neighbor routers and to form adjacencies?

Which of the following is used by an IS-IS router to detect other IS-IS neighbor routers and to form adjacencies? A. ESH B. ISH C. IIH D. PSNP E. CSNP

Which two of the following are true regarding the BGP Prefix-Based outbound route filtering feature?

Which two of the following are true regarding the BGP Prefix-Based outbound route filtering feature? (Choose two.) A. IP multicast routes are not supported. B. Outbound route filtering is configured

How can you prevent multihomed customers with connections to two service providers from acting as a transit AS?

How can you prevent multihomed customers with connections to two service providers from acting as a transit AS? A. Enable BGP synchronization on all the customer routers B. Use MED

When implementing LDP, what is liberal label retention mode?

When implementing LDP, what is liberal label retention mode? A. To reduce the convergence time, the LSR will retain all the received labels in its LIB even if all the

Which two statements about a transit AS are correct?

Which two statements about a transit AS are correct? (Choose two.) A. A transit AS has eBGP connection(s) to only one external AS. B. Routes between ASs are always exchanged

Which two statements are true about an EBGP session or an IBGP session?

Which two statements are true about an EBGP session or an IBGP session? (Choose two.) A. IBGP uses AS-Path to detect routing information loops within the AS. B. EBGP routes

Which option describes the configuration for a Cisco IOS XR OSPF router to give it the highest chances of becoming DR?

Which option describes the configuration for a Cisco IOS XR OSPF router to give it the highest chances of becoming DR? A. ip ospf priority 0 under the OSPF interface