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In a high availability (HA) scenario, a node has a state of becoming Standby". This state indicates __________.

A.

a transitory state as the active node initially moves to becoming the standby node.

B.

the standby node is out of service.

C.

the standby node is taking the active role.

D.

the active node is out of service.

Which one of the following statements about H.323 networks is FALSE?

A.

The collection of all terminals, gateways, and MCU managed by a single gatekeeper is known as an Autonomous System (AS).

B.

Gateways are not mandatory in an H.323 network.

C.

Gatekeepers are not mandatory in an H.323 network.

D.

Gateways translate call set-up messages and convert media formats.

__________ cookies are included by Sipd when it receives messages that are originally sourced from a device other then the configured External Proxy Address.

A.

Call-Leg

B.

Dialog

C.

Session

D.

SIP-NAT

In an H.323 network, a __________ provides translation services and communication between dissimilar networks.

A.

gatekeeper

B.

gateway

C.

multipoint control unit

D.

codec

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

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

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

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.

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

You configure the _____________and _____________elements to use the Net-Net 4000 to perform load balancing between two downstream SIP proxies.

A.

realm steering pool

B.

local policy session agent group

C.

session router session router group

D.

proxy proxy pool

How many simultaneous Telnet sessions does the Net-Net 4000 support in configuration mode in standard Net-Net OS version 2.x and above?

A.

5

B.

2

C.

1

D.

10