QUESTION 1
Which attribute is used to instruct the router that packets must be processed by an ASA that is associated with the segment?

A. service SID with service instructions
B. node SID that identifies a specific network device
C. adjacency SID with unidirectional adjacency instructions
D. prefix SID that represents a specific route prefix

Correct Answer: A

QUESTION 2
A network administrator working for a private service provider wants to configure timers for the BGP process on their Cisco IOS XE router Which configuration follows guideline timer recommendations and is a valid BGP timer deployment?

A. router bgp 1.0
bgp router-id 1.1.1.1
no bgp default ipv4-unicast
bgp fast-external-fallover
timers keep-alive 40
timers hold 60
B. router bgp 1.0
bgp router-id 1.1.1.1
no bgp default ipv4-unicast
bgp fast-external-fallover
timers bgp 40 60
C. router bgp 1.0
bgp router-id 1.1.1.1
no bgp default ipv4-unicast
bgp fast-external-fallover
timers bgp 40 120
D. router bgp 1.0
bgp router-id 1.1.1.1
no bgp default ipv4-unicast
bgp fast-external-fallover
timers keep-alive 40
timers hold 120

Correct Answer: C

QUESTION 3
How does conditional matching operate with RPL?

A. The matching identifies a set of criteria, and an action is taken based on whether the criteria are the same or different.
B. The matching identifies a group of routes that are removed from the routing table when the administrator defined tags match.
C. The matching identifies tags that are placed on routes from neighboring autonomous systems and drops the routes if they are the same.
D. The matching identifies interfaces that run the same routing protocol and manipulates data based on the routing rules.

Correct Answer: A

QUESTION 4
Which BGP well-known attributes are preserved between peers with a BGP confederation?

A. originator and origin
B. next-hop and local-preference
C. next-hop and weight
D. origin and MED

Correct Answer: B

QUESTION 5
The engineering team at ISP 1 must improve network stability time and minimize the impact of routing instabilities from other domains to unicast transit services in the backbone R1 is part of an OSPF enabled network, and acts as an ASBR connected via interface GiOt to the external domain. The OSPF exponential backoff algorithm RFC 3623 with helper mode is already implemented on R1. Which additional configuration must the ISP 1 team apply to suppress routing instability for 3 minutes?

A. Configure nsf ospf wait 3 under the global OSPF configuration.
B. Configure ip ospf timers nsf interval 3 under the global Gi0/1 interface configuration.
C. Configure nsf ietf restart-interval 180 under the global OSPF configuration.
D. Configure ip ospf resync-timeout 180 under the Gi0/1 interface configuration.

Correct Answer: C

QUESTION 6
RPL has several fundamental capabilities that differ from those present in configurations oniented to traditional route maps. Routing policy language introduces the notion of sets. Which group of set types is valid in RPL?

A. as-path-set, community-set, extcommunity-set, prefix-set, and rd-set
B. adl-path-set, community-set, pre-community-set, prefix-set, and bgp-set
C. route-path-set, community-set, in-community-set,prefix-set, and rd-set
D. access-control-set, community-set, post-community-set, pre-prefix-set, and routed-set

Correct Answer: A

QUESTION 7
Which type of policy does an IPv6 ISATAP tunnel support?

A. policies that require addresses to have a 2002::/16 prefix
B. policies to transmit IPv6 traffic over a point-to-point tunnel
C. policies that transmit Connectionless Network Service packets
D. policies to transmit IPv6 traffic within a site
Correct Answer: D

QUESTION 8
Which fact must a network architect consider when implementing IGMP in a multicast routing environment?

A. If leave latency is critical, IGMPv3 must be enabled.
B. If BISS support is required,IGMPv2 must be enabled.
C. If SSM is in use, IGMPv3 must be enabled.
D. If PIM-DM is required,IGMPv2 must be enabled.

Correct Answer: C

QUESTION 9
What are two major differences between OSPF and IS-IS routing protocols? (Choose two.)

A. An OSPF-enabled router is part of only one area, but an IS-S-enabled router is part of multiple areas.
B. OSPF uses IP protocol 89 for encapsulation, and IS-IS uses an IEEE 802.3 standard-based protocol for encapsulation.
C. The OSPF default administrative distance is 115, and the default administrative distance for IS-IS is 110.
D. The OSPF DR role can be pre-empted only when the active DR goes down, but the IS-IS DR role can be taken by a router with higher priority at any time.
E. OSPF partially refreshes the LSA database every 30 minutes, and IS-IS refreshes the complete database table every 60 minutes.

Correct Answer: BD

QUESTION 10
Which PIM message populates the outgoing interface list?

A. assert
B. register
C. join
D. hello

Correct Answer: C

QUESTION 11
What is the description of RPL prefix sets?

A. RPL permits or denies a prefix set.
B. The prefix set contains only permit options.
C. RPL prefix-set holds only IPv6 prefix match specifications.
D. The prefix set contains permit or deny options.

Correct Answer: C

QUESTION 12
A network architect is planning a network to support multiple sources of streaming video on different channels. The architect decided to configure the network routers with multicast domains and multicast distribution trees. Which difference between multicast domains and multicast distribution trees must the architect consider when planning the architecture?

A. A multicast domain is a set of VRFs that sends multicast traffic to one another, and a multicast distribution tree is a path formed between a receiver and the multicast source.
B. Multicast domain traffic is supported over IPsec with and without GRE, and multicast distribution trees require GRE for IPsec support.
C. A multicast domain sends multiple IP packets for delivery to a single receiver, and a multicast distribution tree determines which rendezvous points will retransmit the multicast traffic.
D. Multicast domain traffic is not supported with GRE over IPsec, and multicast distribution trees support IPsec with and without GRE.

Correct Answer: A

QUESTION 13
How are intra-domain and inter-domain multicast routing different?

A. Intra-domain multicast routing uses MP-BGP, and inter-domain multicast routing uses PIM-SM.
B. Intra-domain multicast routing requires IMPv3, and inter-domain multicast routing requires IGMPv2.
C. Intra-domain multicast routing uses BIDIR-PIM, and inter-domain multicast routing supports MSDP.
D. Intra-domain multicast routing requires OSPF, and inter-domain multicast routing requires EIGRP.

Correct Answer: C

QUESTION 14
How does the SR-PCE calculate a path?

A. by identifying the best path based on BGP well-known attributes
B. by applying a TE or IGP metric for optimization and selection
C. by counting the number of hops between headend and tailed routers to identify the longest path
D. by using the administrative distance of the running IP to assign values to routes

Correct Answer: B

QUESTION 15
What is the description of the ACL format in RPL prefix sets?

A. The ACL must have an lPv4 address with wildcard mask or a colon-separated hexadecimal for IPv6 address.
B. The ACL must have an lPv6 address and no lPv4 address.
C. The ACL must have an IPv4 address or IPv6 address without the wildcard.
D. The ACL must have an lPv4 address and no lPv6 address.

Correct Answer: C

QUESTION 16
An engineer is mapping IP multicast addresses to a MAC multicast address. Which IP address maps to 01:00:5e:01:0c:64?

A. 224.1.12.100
B. 224.1.24.100
C. 224.1.48.100
D. 224.1.96.100

Correct Answer: A

QUESTION 17
What are two key differences between routing-policy language and route maps?(Choose two.)

A. Routing-policy language is used to filter VLANs, and route maps control BGP and OSPF parameters.
B. Routing-policy language specifies community values for BGP redistribution, and route maps influence routing by applying prefix lists to modify route metrics.
C. Routing-policy language specifies QoS policies to influence routing, and route maps influence routing by changing administrative distances.
D. Routing-policy language defines how routes should be modified based on specified conditions, and route maps apply conditions to influence routing decisions.
E. Routing-policy language specifies how routes are redistributed between different routing protocols, and route maps set default metrics for different routes.

Correct Answer: DE

QUESTION 18
A network engineer must configure the segment routing on a new Cisco router using OSPF. The router must successfully establish neighbor relationships with its peers and use type 7 LSAs to advertise the SIDs. Which configuration must the engineer implement to the router?

A. router ospf 12
area 0
segment-routing mpls
segment-routing global-block 10000 20000
B. router ospf 12
area 0
segment-routing forwarding mpls
C. router ospf 12
area 0
bfd fast-detect
D. router ospf 12
area 0
segment-routing mpls
segment-routing forwarding mpls

Correct Answer: D

QUESTION 19
A network architect is designing a network that will use OSPF and IS-IS as its routing protocols. Which difference between OSPF and IS-IS must the architect keep in mind when planning the architecture?

A. IS-IS operates on the top of the IP layer, but OSPF operates over Layer 2.
B. IS-IS selects a single DIS that can be pre-empted, but OSPF elects a DR/BDR that cannot be pre-empted.
C. IS-IS peering is less flexible and has stricter requirements for forming neighbor relationships than OSPF.
D. IS-IS supports NBMA, point-to-multipoint, and virtual links, but OSPF supports only NBMA.

Correct Answer: B

QUESTION 20
A network engineer recently deployed a wireless network for users at a new office to join video conferences wirelessly. The existing network consists of routers that are configured for EIGRP and BGP, which are located at several data centers in different physical locations. The engineer configured PIM-SSM within a single domain from a single source. However, during the testing phase, the video conference failed to work for any of the users. The IPs are reachable and firewalls in the network are configured correctly to allow the traffic. Which action resolves the issue?

A. Configure PIM dense mode with multidomain multicast.
B. Configure the devices to send join messages toward a multicast SPT.
C. Configure PIM sparse mode to replace PIM-SSM.
D. Configure PIM dense mode to replace PIM-SSM.

Correct Answer: C