study Nortel 920-449 exam

1. A Contivity configuration has two private interfaces (LAN 0 and LAN 1) and one public interface (LAN 3) with Application servers residing on LAN 0. An administrator needs to create a default rule in order to allow users from LAN 1 and tunneled users from LAN 3 to access the application servers in LAN 0. What would be the most secure interface classification for the source interface?

A. Any

B. Trusted

C. Tunnel: Any

D. LAN 1 and LAN 3

Answer: B

2. A technician is setting up a rule base for a Contivity Stateful Firewall configuration. The technician plans to enable a Lockdown rule. What will be the impact of this rule?

A. non-tunneled traffic will be blocked

B. access to the firewall will be blocked

C. outgoing traffic through the firewall will be blocked

D. incoming traffic through the firewall will be blocked

Answer: B

3. A company has a main office and three branch offices. Each branch office has a branch office tunnel (BOT) connection to the main office. The following conditions exist: - Contivity firewall is disabled but each BOT has a default setting of ermit all?tunnel filter configured under the group profile. - Contivity firewall is disabled but each BOT has a default setting of ?ermit all?tunnel filter configured under the group profile. - The company has their own internal/private DNS server which resides in the main office. - Contivity from each branch offices is acting as DNS proxy. - Workstations from the branch offices are pointing to their local Contivity as the default gateway and DNS server. All workstations from the branch offices can reach all devices in the main office via IP address but cannot reach them through DNS names. What is the most likely cause of the problem?

A. The access control of ermit all?given to the BOT group is enough to allow DNS to pass through the tunnel so the DNS server could be The access control of ?ermit all?given to the BOT group is enough to allow DNS to pass through the tunnel so the DNS server could be down.

B. DNS server is up but main office's Contivity has DNS setting unchecked under the allow management traffic for remote servers portion of the permit all rule.

C. DNS server is up but branch offices' Contivity has DNS setting unchecked under the allow management traffic for remote servers portion of the permit all rule.

D. Main office's Contivity has DNS setting checked under the allow management traffic for remote servers portion of the permit all rule but DNS server could be down.

Answer: C

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ncss-business communications manager 50(bcm50)rls.1.0

1. You are installing a Nortel BCM50 at a larger business site. The basic configuration is required to complete the installation. A basic configuration can be completed using different methods. Which three methods can you use to change the IP address? (Choose three.)
A. Startup Profile
B. Element Manager
C. Telset Administration
D. Maintenance Console
E. Norstar Remote Utilities
Answer: ABC

2. A Nortel BCM50a customer has Internet connectivity with only one IP address from the service provider.
The customer wants a secured LAN with private IP addresses. The integrated ADSL router in the Nortel BCM50a needs to be configured for the correct mode. What is the correct mode for the Nortel BCM50?
A. None
B. DHCP
C. SUA only
D. Full Feature
Answer: C
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Nortel Converged Office for CS 1000 Rls. 5.x Configuration

1.During the installation of a new Nortel Converged Office solution you decide to perform packet captures while making some test calls. After some analysis of the packet capture, you notice that the dual-forking functionality is not working. Which is the correct Class of Service setting to enable twinning on a PCATerminal Number (TN) in a Nortel Converged Office solution with OCS 2007?
A.PCAG
B.PGNA
C.PRMA
D.PCAM
Answer:D

2.While at a customer site installing a Nortel Converged Office solution, you test the Remote Call Control and the Telephony Gateway feature with an IP telephone and Office Communicator 2007 client. You find that the Remote Call Control and Telephony Gateway and Services feature is not working. After troubleshooting you decide to review the basic requirements to deploy the solution. WhichCommunication Server 1000 software package provides the Remote Call Control Telephony Gateway and Services feature?
A.Package 77
B.Package 398
C.Package 406
D.Package 408
Answer:D

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