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Question # 4

When two associated H323 stacks in different realms have the gatekeeper parameter defined, which one of the following statements is TRUE?

A.

The Net-Net 4000 will proxy LRQ and LCF messages from one gatekeeper to the other and the TCP connection for H.225.0 will be established afterwards.

B.

The Net-Net 4000 will respond locally to the LRQ with a LCF, and upon receiving the SETUP on the ingress leg, will open the TCP connection on the egress leg to send the SETUP.

C.

It is not possible to have two associated H323 stacks when both have gatekeepers defined.

D.

Registrations will be forwarded from one Gatekeeper to the other using unique RRQ messages.

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Question # 5

When the nat-traversal parameter is set to always the Net-Net 4000 compares the __________________ and the Layer-3 source address to determine whether the endpoint is behind a NAT device and further compares the __________________ to the Layer-3 source address to determine whether to add the registration to its registration cache.

A.

sent-by of the top most Via header host address of the Contact URI

B.

sent-by of the bottom most Via header host address of the Contact URl

C.

From address host address of the Contact URI

D.

host address of the Contact URI From address

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Question # 6

In order to support Telnet service on a media interface, it is necessary to do which of the following?

A.

Add the remote device IP address to the hip-ip-list and the telnet-ip-address fields to allow it Telnet access.

B.

Set the telnet-ip-address field to enabled.

C.

Add the IP address of the interface in the hip-ip-list and the telnet-ip-address fields.

D.

Do nothing. Telnet is supported by default on all interfaces.

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Question # 7

The __________ is software that controls the bootup.

A.

bootloader

B.

Net-Net OS

C.

Diagnostic Image

D.

nPsoft

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Question # 8

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 # 9

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 # 10

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

A.

SDRAM

B.

NVRAM

C.

Flash

D.

CAM

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Question # 11

You have changed a parameter in the realm-config element and have issued the done command. The change has now been committed to the __________ configuration.

A.

saved

B.

active

C.

edited

D.

running

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Question # 12

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 # 13

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

A.

Registration caching

B.

Reverse latching

C.

Adaptive NAT traversal

D.

Hairpinning

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Question # 14

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

A.

Identifier

B.

Host

C.

mib-system-name

D.

target

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Question # 15

In a high availability (HA) scenario, if peers boot simultaneously and their health scores are equivalent, which node automatically assumes the role of Active?

A.

The node that had the role of active last.

B.

The node that had the role of standby last.

C.

The node with the highest Wancom IP address.

D.

The node with the lowest Wancom IP address.

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Question # 16

You have used the no command to delete a configuration element. Which one of the following statements is TRUE?

A.

The deletion takes effect immediately.

B.

The deletion requires a reboot to take effect.

C.

The deletion is lost on immediate reboot.

D.

The deletion is reflected when viewing the running configuration.

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Question # 17

A(n) __________ is an association between a globally unique SIP or SIPS URI and the user agent's contact address. This association is written by the registrar server to a database where it can be used by a proxy in the local domain.

A.

location record

B.

AOR

C.

binding

D.

public address

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Question # 18

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

A.

H.225.0 RAS

B.

SIP

C.

MGCP

D.

H.245

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Question # 19

The __________ field value in the network interface configuration is used as the source IP address for ARP requests from the secondary Net-Net 4000 in a highly available pair when in the standby role.

A.

sec-utility-address

B.

pri-utility-addr

C.

ip-address

D.

arp-address

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Question # 20

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 # 21

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

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

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