Oracle Communications Session Border Controller Implementation Essentials (1z0-400) Free Practice Test

Question 1

Local policy policy-attribute configuration includes configuration elements for each of the following except____________.

A. Days-of-week

B. End-time

C. Cost

D. Date

E. Start-time

Correct Answer: E

Question 2

How does the Session Border Controller ensure that a pinhole is kept open for persistent communication to a SIP endpoint behind a NAT device?

A. By sending messages at a defined frequency

B. By sending ARP requests at a defined frequency

C. By changing the expires= parameter to a defined value in 200 OK responses to REGISTERS

D. By changing the expires= parameter to a defined value in 200 OK responses to INVITEs

E. By issuing PINGs to the endpoint's NAT address

Correct Answer: B

Question 3

What two options are available to enable access control in a SIP configuration and how would they be configured?

A. Configure the access-control parameter to realm-prefix.

B. Configure the al low-anonymous parameter under the sip-port to realm-prefix and configure an ingress realm addr-prefix to an address that is not 0.0.0.0.

C. Configure the allow-anonymous parameter to source-realm.

D. Configure the al low-anonymous parameter under the sip-port to agents-only, then configure your SIP peers as session agents.

E. Configure a steering-pool with a smaller subnet than the realm-prefix.

Correct Answer: A,D

Question 4

When configuring the Net-Net 4500, __________ SIP interface(s) is/are allowed per realm, and __________ SIP port (s) is/are allowed for a SIP interface.

A. One; multiple

B. One; 1024

C. Multiple; 999

D. One; one

E. Multiple; multiple

Correct Answer: A

Question 5

Which statement about the Net-Net 4500 is FALSE?

A. The Net-Net 4500 can perform interworking between SIP REGISTER messages and

B. The Net-Net 4500 is the source and destination for all signaling messages and media streams coming into and leaving the provider's network.

C. Different SIP Response Code mappings can be configured for each Soft-switch to which the Net-Net 4500 signals.

D. MGCP to SIP interworking function (IWF) is not supported.

E. 323 RRQs (Registration Request).

F. The Net-Net 4500 media directing and control hides network topology at the forwarding level, while session routing and signaling hide it at the signaling level.

Correct Answer: C

Question 6

The h245-stage parameter in the h323-stack element determines___________.

A. The stage at which the Net-Net 4500 will indicate that a separate H.245 connection must be opened

B. The stage at which the Net-Net 4500 will start tunneling H.245 messages

C. That two associated h323-stacks have a gatekeeper field defined

D. The point at which H.245 will appear on the TCP/IP stack

E. The point in the call where H.245 messages are allowed after the call has been connected

Correct Answer: A

Question 7

In a peering environment based on SIP-NAT Bridge, which two elements must be configured to accommodate signaling and media?

A. Network Interface

B. RTP Table

C. Local Policy

D. SIP Manipulation Rule

E. Physical Interface

Correct Answer: A,D

Question 8

To replace the Session Border Controller's running configuration with a previous configuration, perform the following:

A. Use display-backups, identify the configuration name and associated number, then issue the run-backup <number> command.

B. Use the restore-backup-config command.

C. Use the restore-backup-config command, followed by save and activate.

D. Use the exec last-known-good-config command.

E. Use the activate-config command.

Correct Answer: C

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Oracle Communications Session Border Controller Implementation Essentials (1z0-400) Free Practice Test