Nokia 4A0-C02 Exam Questions Free Practice Test

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Viewing questions 151-165 out of questions

Questions # 151:

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Question # 151

After router A receives the BGP update for the 10.3.3.0/24 prefix, which routers will the route be propagated to?

Options:

All routers with which it has a BGP session.

All routers with which it has a BGP session, except the router it received the update from, which is router B.

All routers with which it has a BGP session, except the router it received the update from, which is router C.

All routers with which it has a BGP session, except the router it received the update from, which is router D.

Only eBGP neighbors.

Expert Solution

Questions # 152:

An Alcatel-Lucent 7750 SR has the BGP configuration shown below. Assuming the router has established BGP sessions to routers R1 and R2, which of the following is TRUE?

Question # 152

Options:

Both neighbors R1and R2 should be part of AS 65540.

Neighbor R1should be part of AS 65550, while neighbor R2 should be part of AS 65540.

Neighbor R1should be part of AS 65550, while neighbor R2 should be part of AS 65560.

Both neighbors R1and R2 should be part of AS 65560.

Expert Solution

Questions # 153:

Which of the following about a single-homed AS is FALSE?

Options:

A single-homed AS is also known as a stub AS.

A single-homed AS is also known as a leaf AS.

A single-homed AS uses either the ISP AS number or a private AS number.

A single-homed AS can be either transit or non-transit

Expert Solution

Questions # 154:

Which of the following statements regarding Internet Exchange Points is FALSE?

Options:

They provide both peering and transit services.

They provide services only to Tier 1 service providers.

They can be either public or private.

They provide services at the local, regional and continental levels.

Expert Solution

Questions # 155:

Assuming that "client1" and "client2" are directly-connected networks, what is the result of executing the following BGP export policy?

Question # 155

Options:

"client2" routes will be only tagged with communities 'East'' and "South".

"client2" routes will be tagged with community "East".

"client2" routes will only be tagged with community "South".

"client2" routes will be rejected.

Expert Solution

Questions # 156:

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Question # 156

Which of the following is a valid confederation configuration for Router R2?

Question # 156

Options:

Option A

Option B

Option C

Option D

Expert Solution

Questions # 157:

Which of the following is FALSE regarding the 16-bit public autonomous system numbers?

Options:

They are allocated to the RIRs by ICANN/IANA.

They are used when connecting ASs on the Internet.

They range from 1 to 56319.

They are assigned by the ISPs for enterprise networks.

Expert Solution

Questions # 158:

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Question # 158

Assuming router A is configured with "next-hop-self", what does the BGP update for prefix 192.168.0.1/27 contain when it arrives at router B?

Options:

AS Path of 65200 65100, Next Hop of router A.

AS Path of 65200 65100, Next Hop of router E.

AS Path of 65100, Next Hop of router A.

AS Path of 65100, Next Hop of router E.

Expert Solution

Questions # 159:

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Question # 159

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 ISP 1 and the other ISPs?

Options:

ISP 1 has a peering relationship with ISP 2 and ISP 4.

ISP 1 has a peering relationship with ISP 2 and a transit relationship with ISP 3.

ISP 1 has a peering relationship with ISP 2 and ISP 3.

ISP 1 has a transit relationship with ISP 2 and ISP 4.

ISP 1 has a transit relationship with ISP 2 and a peering relationship with ISP 3.

Expert Solution

Questions # 160:

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Question # 160

AS 65100 is advertising 192.168.1.0/27 into BGP. Which of the following AS Paths would the prefix 192.168.1.0/27 contain when viewed on router R7?

Options:

65206 65202 65100

(65206 65202)65100

(65204 65206 65202) 65100

(65200) 65100

Expert Solution

Questions # 161:

An Alcatel-Lucent 7750 SR receives a route from an eBGP peer without a MED. What MED value is sent to iBGP peers?

Options:

100

250

The IGP cost

None

Expert Solution

Questions # 162:

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Question # 162

Router R6 is a route reflector for clients R1, R2 and R5. Router R5 is configured with a local preference of 200. On which routers is "advertise-external* needed for router R6 to receive exactly two distinct routes for prefix 192.168.1.0/27?

Options:

On router R5 only.

On either router R1or R2.

On both routers R1and R2.

On all routers R1, R2 and R5.

Expert Solution

Questions # 163:

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Question # 163

An update travels from AS 135000 to AS 137000, traversing both 32-bit and 16-bit AS paths.

What will the AS Path be when the update reaches AS 137000?

Options:

140000 200 135000

137000 140000 200 135000

140000 23456 135000

135000 200 140000

Expert Solution

Questions # 164:

The configuration of an Alcatel-Lucent 7750 SR is given below. Router Rl has established BGP sessions with routers R2 and R3. Which of the following is TRUE?

Question # 164

Options:

Router R1forms an iBGP session with router R2, and an eBGP session with router R3.

Router R1forms iBGP sessions with routers R2 and R3.

Router R1forms eBGP sessions with routers R2 and R3.

The types of BGP sessions with routers R2 and R3 cannot be determined.

Expert Solution

Questions # 165:

Which of the following organizations would an ISP based in Europe approach for an IP prefix assignment?

Options:

ARIN

ICANN

RIPE NCC

LACNIC

APNIC

Expert Solution

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