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

Demo: 21 questions
Total 140 questions

Acme Packet Certification Certification Exams Boot camp & Braindump Questions and Answers

Question 1

The __________ field allows you to set the health score at which a Net-Net 4000, if it the standby peer in a high availability (HA) scenario, will switchover to the active state without waiting for any configured timers to expire.

Options:

A.

emergency-threshold

B.

health-threshold

C.

active-threshold

D.

switchover-threshold

Question 2

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

Options:

A.

session agent group

B.

load balancing

C.

routing

D.

local policy

Question 3

Examine the output below from the network interface configuration.

When the Net-Net 4000 does not get an ARP response from the device configured as its gateway in the configured retry time period, it will____________.

Options:

A.

send traffic to the device configured in the sec-gateway field

B.

decrement its health score to 50 which may result in a failover to the standby

C.

use the Virtual Router Redundancy Protocol (VRRP) to determine a new default gateway

D.

use the Virtual Router Redundancy Protocol (VRRP) to the host(s) instead of the primary gateway

Question 4

High availability (HA) nodes identify one another by their __________ names.

Options:

A.

Identifier

B.

Host

C.

mib-system-name

D.

target

Question 5

Which one of the four statements below about Session Initiation Protocol (SIP) is FALSE?

Options:

A.

SIP provides for resource reservation.

B.

SIP works with both IPv4 and IPv6.

C.

SIP can run on top of either UDP or TCP as the transport protocol.

D.

SIP can be used to invite participants to an already existing session.

Question 6

In high availability (HA) architectures, changes to the state of the Active Net-Net 4000 are queued in journals. Requests from the Standby node results in information about these changes being pulled by Standby from the Active node. The three checkpointed states are __________, __________ and __________.

Options:

A.

configuration state

B.

alarm state

C.

media state

D.

signaling state

Question 7

Which two of the following statements regarding SIP processing are FALSE?

Options:

A.

An initial INVITE will contain a From header tag and a To header tag as a globally unique identifier for the dialog.

B.

To avoid retransmissions, User Agents must forward received 100 Trying messages to their next hop.

C.

Calls Per Second are typically measured using a 7-10 message SIP call flow including call set-up and tear down.

D.

The combination of the To tag, From tag, and Call-ID completely defines a peer-to-peer SIP relationship and is referred to as a dialog.

Question 8

The __________ parameter allows for multiple network interfaces to be bound to a single physical interface.

Options:

A.

sub-port-id

B.

vlan-id

C.

hip-ip-addr

D.

vlan

Question 9

Which two of the following statements about SIP response code handling on the Net-Net 4000 are TRUE?

Options:

A.

The Net-Net 4000 will originate a 403 Forbidden response when bandwidth allocated to a realm has been exhausted.

B.

The Net-Net 4000 cannot originate 3xx class redirect responses.

C.

The Net-Net 4000 egress realm selection may be affected by received third party 3xx class redirect responses

D.

The Net-Net 4000 can transmit a different SIP response code than it received.

Question 10

Which one of the following statements is TRUE when H245 tunneling is enabled on the Net-Net 4000. The Net-Net 4000 will________________.

Options:

A.

tunnel signaling messages over the H.245 connection

B.

establish a separate TCP connection to tunnel messages

C.

tunnel H.245 messages over H.225.0 FACILITY messages

D.

support the Generic Tunneling Protocol (GTP) for sending SIP messages over the H.245 connection

Question 11

Which two of the following scenarios about 503 Service Unavailable response codes on the Net-Net 4000 are TRUE?

Options:

A.

503 Service Unavailable messages are never generated by the Net-Net 4000.

B.

A 503 Service Unavailable will be originated when the Net-Net 4000 is unable to forward a request due to session agent constraint or lack of bandwidth.

C.

The Net-Net 4000 will originate a 503 Service Unavailable when it has no call processing resources.

D.

By default, when the Net-Net 4000 has reached 95% CPU utilization, it will originate 503 Service Unavailable responses for all calls.

Question 12

Which three of the following are NAPT mappings that are pulled by the Standby node during media state checkpointing in high availability (HA) architectures?

Options:

A.

Source port

B.

Protocol ID

C.

Route

D.

Ingress Interface

Question 13

The __________ field indicates whether or not an H.323 stack runs as a gateway.

Options:

A.

isgatekeeper

B.

mode

C.

gw-identifier

D.

isgateway

Question 14

RRQ, ARQ, DRQ, and IRR are all examples of __________ signaling messages.

Options:

A.

H.225.0 RAS

B.

SIP

C.

MGCP

D.

H.245

Question 15

Which two of the following statements regarding SIP processing are FALSE?

Options:

A.

An initial INVITE will contain a From header tag and a To header tag as a globally unique identifier for the dialog.

B.

To avoid retransmissions, User Agents must forward received 100 Trying messages to their next hop.

C.

Calls Per Second are typically measured using a 7-10 message SIP call flow including call set-up and tear down.

D.

The combination of the To tag, From tag, and Call-ID completely defines a peer-to-peer SIP relationship and is referred to as a dialog.

Question 16

In a Net-Net 4000 high availability (HA) architecture, the standby Net-Net 4000 sends ARP requests using which one of the following?

Options:

A.

The utility IP address and its hard coded MAC address.

B.

The IP address and its hard coded MAC address.

C.

The virtual IP address and its virtual MAC address.

D.

The utility IP address and the configured virtual MAC address.

Question 17

Which two of the following statements about H.323 on the Net-Net 4000 are TRUE?

Options:

A.

When functioning as a back-to-back gateway, the Net-Net 4000 appears as just one H.323 gateway to a single network.

B.

The Net-Net 4000 supports H.323 versions 1-6.

C.

Multiple virtual gateways or gatekeepers can exist on a single Net-Net 4000.

D.

There is a feature that allows an H.323 terminal that is unable to support Fast Start to receive a Slow Start call from a Fast Start source through the Net-Net 4000.

Question 18

Upon issuing the done command, you get an Error 409. What does this error indicate?

Options:

A.

The element you are creating is corrupted.

B.

The element you are trying to save doesn't exist.

C.

You are trying to create an element with a unique identifier that already exists.

D.

There is an internal server error.

Question 19

The ____________feature instructs the Net-Net 4000 whether to locally store all bindings for endpoints not located behind a NAT.

Options:

A.

Registration caching

B.

Reverse latching

C.

Adaptive NAT traversal

D.

Hairpinning

Question 20

The __________ is software that controls the bootup.

Options:

A.

bootloader

B.

Net-Net OS

C.

Diagnostic Image

D.

nPsoft

Question 21

When configuring the Net-Net 4000 to proxy registrations in the H323 stack element, the ___________.

Options:

A.

process-registration parameter must be disabled in the H323 stack for the access network.

B.

proxy-mode parameter in the H323 stack must be set to enabled.

C.

tcp-keepalive parameter must always be disabled.

D.

Q.931 and dynamic port range must not overlap.

Demo: 21 questions
Total 140 questions