4A0-C02 Nokia SRA Composite Exam exact Exam Questions

Nokia SRA Composite Exam

Last Update 16 hours ago Total Questions : 639

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Question # 46

Click the exhibit.

For the CE hub and spoke VPRN, which of the following is FALSE?

The primary VRF on PE1 contains routes learned from spoke sites.

All traffic between spoke sites must pass through CE1.

The secondary VRF on PE1 is used to route data packets from the hub CE to the spoke sites.

PE1 advertises the primary VRF routes to CE1.

Question # 47

Which of the following prefix-lists is the most specific match for prefixes 192.168.64.1/20 and

192.168.32.5/19?

Prefix 192.168.0.0/17 longer.

Prefix 192.168.0.0/19 longer.

Prefix 192.168.96.0/19 longer.

Prefix 192.168.0.0/18 longer.

Question # 48

Click the exhibit.

Router R6 is a route reflector with clients R1, R2, R4 and R5. Router R4 receives three routes from router R6 and is configured with ECMP 3. Given the following BGP configuration on routerR4, how many primary and backup paths will be present in router R4 ' s BGP routing table?

Three primary paths,

Two primary paths and one backup path.

One primary path and two backup paths.

One primary path and one backup path.

Question # 49

Which of the following protocols are supported by the Alcatel-Lucent 7750 SR for the creation of transport tunnels within an autonomous system?

MP-BGP, LDP, RSVP-TE

LDP, RSVP-TE, GRE

MP-BGP, RSVP-TE, GRE

MP-BGP, LDP

MP-BGP only

Question # 50

Click the exhibit.

For the Inter-AS model B VPRN, which of the route updates for prefix 192.168.1.0/27 is incorrect?

The route update sent from PE1.

The route update sent from PE2.

The route update sent from ASBR1.

The route update sent from ASBR2.

Question # 51

How was standard BGP modified to allow it to carry routing information for VPRNs?

By using the MED attribute to carry the OSPF metric.

By defining Extended Communities for use as the Route Target

By using the Cluster List attribute to carry the network prefix

By defining support for the VPN-IPv4 address family

By adding an additional field to the BGP Update to carry the VPRN label

Question # 52

Click the exhibit.

For the inter-AS model C VPRN, which of the following is FALSE when an IP packet is sent from 192.1.1.1 to 192.2.1.1?

PE1 pushes three labels on the IP packet: a VPN label, a BGP label, and an LDP transport label.

ASBR1 pops the LDP and BGP labels and swaps the VPN label.

ASBR2 pops the BGP label and pushes an LDP transport label.

PE2 pops two labels and forwards the unlabeled packet to its destination.

Question # 53

Which of the following regarding BGP Path Identifier is FALSE?

Path-ID is a four-octet identifier pre-pended to the NLRI field of a BGP update.

Path-ID is an optional transitive attribute used to advertise multiple paths.

Path-ID uniquely identifies each path advertised to a neighbor.

A BGP speaker that re-advertises a route must generate its own Path-ID.

Question # 54

What kind of attribute is the aggregator?

Well-known mandatory

Well-known discretionary

Optional transitive

Optional non-transitive

Question # 55

Click the exhibit.

Assume all router-IDs are properly configured, and global IPv6 addresses are used to establish eBGP sessions. Which of the following configurations is required on router A so that router B can exchange traffic with router D?

Option A

Option B

Option C

Option D

Question # 56

Click on the exhibit.

AS 65540 is using MPLS to provide BGP shortcuts for its iBGP routing. Which routers must be configured with the " configure router bgp igp-shortcuts rsvp-te " command?

Routers R6, R1, R4 and R5.

Routers R1and R4.

Routers R1, R2, R3 and R4.

Routers R2 and R3.

Question # 57

Click the exhibit.

Given the following configuration for router R1, what is the expected Next Hop for prefix 192.168.1.0/27 as seen on router R2?

10.0.2.1

10.0.2.2

10.16.10.1

10.16.10.3

Question # 58

Click the exhibit.

Router R1 is a route reflector with clients R2, R5 and R6. Prefixes advertised by router R5 have a local preference of 200. Router R3 advertises the prefix 192.168.1.0/27 to routers R5 and R6.

Assuming that router R6 is configured with " advertise-external " , what is the expected output of " show router bgp routes " when executed on router R5?

Option A

Option B

Option C

Option D

Question # 59

Click the exhibit.

Router R1 is a route reflector with clients R2, R5 and R6. Prefixes advertised by router R5 have a local preference of 200. Router R3 advertises the prefix 192.168.1.0/27 to routers R5 and R6.

Assuming that none of the routers in AS 65540 is configured with " advertise-external " , what is the expected output of " show router bgp routes " on router R2?

Option A

Option B

Option C

Option D

Question # 60

Click the exhibit.

Given that ISP 1 and ISP 2 are Tier 2 providers, and that ISP 3 and ISP 4 are Tier 1 providers, what is the most likely relationship between the ISPs?

ISP 1 and ISP 2 have a public transit relationship, while ISP 3 and ISP 4 have a private transit relationship.

ISP 1 and ISP 2 have a private transit relationship, while ISP 3 and ISP 4 have a public transit relationship.

ISP 1 and ISP 2 have a private peering relationship, while ISP 3 and ISP 4 have a public peering relationship.

ISP 1 and ISP 2 have a public peering relationship, while ISP 3 and ISP 4 have a private peering relationship.