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AP0-001 Exam Dumps - Acme Packet Certification Certification Exams Boot camp & Braindump

Question # 4

In this scenario, the User Agents (UAs) are both SIP-enabled phones. What is the correct order of this basic SIP message flow?

1)The UAC initiates the session with an INVITE.

2)The UAS sends a 200 OK message indicating that the request has succeeded.

3)Media is exchanged bidirectionally.

4)The UAS sends a 100 Trying response back to the UAC

5)The UAC sends a BYE message. This is followed by a 200 OK final response message sent by the UAS.

6)The UAS sends a 180 Ringing message.

7)The UAC sends an ACK message confirming that it has received a final response to INVITE.

A.

1,2,4,6,7,5,3

B.

1,4,6,2,7,3,5

C.

1,7,4,6,3,2,5

D.

1,4,2,7,6,3,5

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Question # 5

When configuring the allow-anonymous parameter in the SIP port element, a value of __________ may be configured to allow access only from user agents who have previously registered through the Net-Net 4000 or who are configured as session agents.

A.

registered

B.

agents-only

C.

realm-prefix

D.

prev-registered

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Question # 6

Which two of the following statements about session agents are TRUE?

A.

For each session agent, constraints based on bandwidth can be defined.

B.

Session agents must always be configured in a peering scenario.

C.

You can reject traffic unless it is coming from a configured session agent by setting the sip-interface element allow-anonymous parameter value to agents-only.

D.

For each session agent, constraints based on concurrent sessions can be defined.

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Question # 7

Of the following configured local policy preferences that the Net-Net 4000 sorts through, which one of the four preference discriminators listed below would be ranked the second highest priority?

A.

codec

B.

lowest cost

C.

next hop

D.

realm

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Question # 8

The default baud rate for console connections to the Net-Net 4000 is ____________.

A.

115200

B.

2400

C.

9600

D.

56600

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Question # 9

In this scenario, the User Agents (UAs) are both SIP-enabled phones. What is the correct order of this basic SIP message flow?

1)The UAC initiates the session with an INVITE.

2)The UAS sends a 200 OK message indicating that the request has succeeded.

3)Media is exchanged bidirectionally.

4)The UAS sends a 100 Trying response back to the UAC

5)The UAC sends a BYE message. This is followed by a 200 OK final response message sent by the UAS.

6)The UAS sends a 180 Ringing message.

7)The UAC sends an ACK message confirming that it has received a final response to INVITE.

A.

1,2,4,6,7,5,3

B.

1,4,6,2,7,3,5

C.

1,7,4,6,3,2,5

D.

1,4,2,7,6,3,5

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Question # 10

Which one of the following statements about SIP is FALSE?

A.

The Via header field indicates the transport used for the transaction.

B.

The Contact header field provides a SIP or SIPS URI that can be used to contact that specific instance of the UA for subsequent requests.

C.

A SIP transaction consists of a single request and any responses to that request, which include zero or more provisional responses and one or more final responses.

D.

A dialog is identified at each UA with a dialog ID, which consists of a Call-ID value, a Contact and a Request URI.

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Question # 11

Examine the H323 stack configuration below.

Based on the information above, which one of the following IP addresses should be configured as a hip-ip-address in the appropriate network interface?

A.

0.0.0.0

B.

172.16.0.100

C.

172.16.0.13

D.

172.16.0.0

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Question # 12

Which one of the following statements about the Net-Net 4000 is TRUE?

A.

When the status LED, which is located on the front of the chassis control panel is lit yellow, it is an indication that the Net-Net system is experiencing a major malfunction such as a power supply failure.

B.

You can have up to two simultaneous console connections.

C.

By default, you can only Telnet to the wancom0 interface on the Net-Net 4000.

D.

By default, the Net-Net 4000 media interfaces will respond to PING.

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Question # 13

To enable the Net-Net 4000 to provide next hop signaling load balancing, which two of the following licenses must be installed?

A.

session agent group

B.

load balancing

C.

routing

D.

local policy

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Question # 14

In a(n) __________ exchange, a Master Slave Determination message is an example of a type of message that might be exchanged during the media setup portion of the call.

A.

RAS

B.

ISDN

C.

H.245

D.

H.225

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Question # 15

The boot parameters, passwords and licensing information are stored in __________.

A.

SDRAM

B.

NVRAM

C.

Flash

D.

CAM

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Question # 16

Best current practice for the initial turn-up of a secondary node in a highly available (HA) pair calls for the acquire-config command targeting the ____________________interface on the primary node.

A.

Wancom0

B.

Wancom1

C.

Wancom2

D.

Wancom3

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Question # 17

Which of the following is not a potential cause for a switchover in a high availability (HA) scenario?

A.

The notify berpd force command was issued.

B.

The standby Net-Net 4000 did not receive a heartbeat packet within the configured advertisement time.

C.

A failure decremented the heath score below a configured threshold.

D.

The CPU utilization exceeded 90%.

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Question # 18

When SIP sessions are terminated and re-originated as they flow through the Net-Net 4000, the ____________ is rewritten to force all session related media to be routed through Net-Net 4000.

A.

Via

B.

From

C.

SDP

D.

Contact

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Question # 19

The Net-Net 4000 supports __________ VLANs per physical interface.

A.

1024

B.

6000

C.

999

D.

4095

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Question # 20

What sip-config option will limit the number of routes that the Net-Net 4000 attempts after prioritizing all local policies for a new inbound SIP call?

A.

max-routes

B.

route-limit

C.

next-hops

D.

hop-limit

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Question # 21

Which two of the following statements about network interfaces are FALSE?

A.

For each physical interface, you must have at least one network interface with a sub-port-id of 999.

B.

More than one realm can be assigned to a network interface.

C.

By configuring the hip-ip-list and icmp-address parameters, you enable the Net-Net 4000 network processor to respond to PING.

D.

Network interfaces define a subnet of useable addresses, not necessarily the address that signaling and media has to be directed to.

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